Pub Date : 2025-09-10DOI: 10.1016/j.cortex.2025.09.001
Lisa Raoul , Fabrice R. Sarlegna , Cédric Goulon , Marie-Hélène Grosbras
Does the way we explicitly reflect on our bodily, mental, and social self relate to our implicit bodily self-consciousness? To address this question, we investigated how self-reflection traits and sensory characteristics explain inter-individual variability in experiencing ownership, agency, or referral of touch over a rubber hand or virtual full-body in 70 young girls. The reduction of these embodiment feelings by an experimentally induced asynchrony between the participant's and the virtual body's stimulation (tactile or motor) can be seen as indicative of a robust bodily self-consciousness. In the visuo-motor full-body illusion, asynchrony reduced: agency more strongly in participants with a high tendency to reflect about social-self; ownership more in those with positive reflections towards the bodily self; agency and ownership more in participants with lower cardiac interoceptive accuracy. Overall, we highlight the importance of accounting for embodiment variability during asynchronous stimulation and provide novel insights into how explicit reflections about oneself relate to bodily self-consciousness’ components in girls, underscoring the need for further investigation in other populations.
{"title":"Do explicit self-reflection traits relate to implicit bodily self-consciousness? Insights from asynchronous stimulation in embodiment illusions","authors":"Lisa Raoul , Fabrice R. Sarlegna , Cédric Goulon , Marie-Hélène Grosbras","doi":"10.1016/j.cortex.2025.09.001","DOIUrl":"10.1016/j.cortex.2025.09.001","url":null,"abstract":"<div><div>Does the way we explicitly reflect on our bodily, mental, and social self relate to our implicit bodily self-consciousness? To address this question, we investigated how self-reflection traits and sensory characteristics explain inter-individual variability in experiencing ownership, agency, or referral of touch over a rubber hand or virtual full-body in 70 young girls. The reduction of these embodiment feelings by an experimentally induced asynchrony between the participant's and the virtual body's stimulation (tactile or motor) can be seen as indicative of a robust bodily self-consciousness. In the visuo-motor full-body illusion, asynchrony reduced: agency more strongly in participants with a high tendency to reflect about social-self; ownership more in those with positive reflections towards the bodily self; agency and ownership more in participants with lower cardiac interoceptive accuracy. Overall, we highlight the importance of accounting for embodiment variability during asynchronous stimulation and provide novel insights into how explicit reflections about oneself relate to bodily self-consciousness’ components in girls, underscoring the need for further investigation in other populations.</div></div>","PeriodicalId":10758,"journal":{"name":"Cortex","volume":"192 ","pages":"Pages 117-134"},"PeriodicalIF":3.3,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145148214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-09-08DOI: 10.1016/j.cortex.2025.08.011
S. Smaczny , S. Jung , K. Willmes , H.-O. Karnath , E. Klein
In acute stroke patients, arithmetic fact retrieval deficits have been observed due to disrupted white matter connections within a left-hemispheric network centered around the angular gyrus and middle temporal gyrus (Smaczny et al., 2023). However, it remains unclear which specific structural disconnections also hinder successful remediation in the chronic stage of stroke. In this study, 92 patients were examined to determine which impairments continue to affect multiplication performance even in the chronic phase after a first-time unilateral left-hemispheric stroke. Our results revealed a strong association between impaired multiplication performance and the disconnection of left long-term memory (para)hippocampal areas from left frontal and right parietal regions. Thus, unlike previous findings in the acute stroke phase, our results in the chronic phase emphasize the importance of (para)hippocampal regions for successful multiplication performance. We suggest that the affected areas and connections in chronic patients with persistent multiplication problems not only indicate areas that are crucial for the relearning of arithmetic facts, but also those crucial for the learning of arithmetic facts in general. More generally, we suggest that the acquisition of arithmetic facts depends on structural integrity of a network centered around the left (para)hippocampus, while the retrieval of consolidated arithmetic facts from memory relies on the integrity of a left-hemispheric network involving angular gyrus and middle temporal gyrus.
在急性中风患者中，由于以角回和颞中回为中心的左半球网络中的白质连接中断，观察到算术事实检索缺陷（Smaczny et al., 2023）。然而，目前尚不清楚哪些特定的结构断开也阻碍了中风慢性期的成功修复。在这项研究中，对92名患者进行了检查，以确定在首次单侧左半球中风后的慢性期，哪些损伤继续影响乘法表现。我们的研究结果显示，受损的乘法性能和左长期记忆海马区与左额叶和右顶叶区域的断开有很强的联系。因此，与先前在急性中风期的研究结果不同，我们在慢性期的研究结果强调了海马区对成功增殖表现的重要性。我们认为，慢性持续性乘法问题患者的受影响区域和连接不仅表明了对算术事实的重新学习至关重要的区域，而且也表明了对一般算术事实的学习至关重要的区域。更一般地说，我们认为算术事实的获取依赖于以左海马体为中心的网络结构完整性，而从记忆中检索巩固的算术事实依赖于包括角回和中颞回的左半球网络的完整性。
{"title":"Arithmetic fact retrieval deficits in chronic stroke – A deficit of relearning?","authors":"S. Smaczny , S. Jung , K. Willmes , H.-O. Karnath , E. Klein","doi":"10.1016/j.cortex.2025.08.011","DOIUrl":"10.1016/j.cortex.2025.08.011","url":null,"abstract":"<div><div>In acute stroke patients, arithmetic fact retrieval deficits have been observed due to disrupted white matter connections within a left-hemispheric network centered around the angular gyrus and middle temporal gyrus (Smaczny et al., 2023). However, it remains unclear which specific structural disconnections also hinder successful remediation in the chronic stage of stroke. In this study, 92 patients were examined to determine which impairments continue to affect multiplication performance even in the chronic phase after a first-time unilateral left-hemispheric stroke. Our results revealed a strong association between impaired multiplication performance and the disconnection of left long-term memory (para)hippocampal areas from left frontal and right parietal regions. Thus, unlike previous findings in the acute stroke phase, our results in the chronic phase emphasize the importance of (para)hippocampal regions for successful multiplication performance. We suggest that the affected areas and connections in chronic patients with persistent multiplication problems not only indicate areas that are crucial for the relearning of arithmetic facts, but also those crucial for the learning of arithmetic facts in general. More generally, we suggest that the acquisition of arithmetic facts depends on structural integrity of a network centered around the left (para)hippocampus, while the retrieval of consolidated arithmetic facts from memory relies on the integrity of a left-hemispheric network involving angular gyrus and middle temporal gyrus.</div></div>","PeriodicalId":10758,"journal":{"name":"Cortex","volume":"192 ","pages":"Pages 78-89"},"PeriodicalIF":3.3,"publicationDate":"2025-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145102830","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-09-08DOI: 10.1016/j.cortex.2025.08.013
Kai Ishida, Tomomi Ishida, Hiroshi Nittono
The human brain predicts various musical features such as harmony, melody, and rhythm during music perception. A previous electroencephalographic (EEG) study showed that the accuracy of pitch decoding during tone omission was greater when the pitch of the melody was highly predictable than when it was less predictable, reflecting that predictive information of a specific pitch is contained in the EEG signal. However, the specificity of prediction for other musical features has not been fully addressed. The present study investigated whether predicted instruments are decoded from the EEG signal during omission to examine the specificity of prediction in the timbre dimension. Thirty-five participants listened to unfamiliar melodies with simple (high predictability) or complex (low predictability) timbre change rules while watching a silent movie. The EEG was recorded when a tone expected to be played by one of four specific timbres (celesta, electric piano, marimba, organ) was omitted. The results showed that the amplitude of an omitted stimulus potential, oN1, did not differ between high and low predictability conditions. However, the support vector machine was able to decode the type of musical timbre during omission better than random chance in the high predictability condition but not in the low predictability condition. These results suggest that EEG signals contain information about which instrument should be played during omission, but this information is not manifested in traditional event-related potentials. The brain may specifically predict not only the pitch but also other musical dimensions, such as the timbre, of the upcoming tone.
{"title":"Which instrument should play here? Decoding predicted musical timbre from EEG signals during omission","authors":"Kai Ishida, Tomomi Ishida, Hiroshi Nittono","doi":"10.1016/j.cortex.2025.08.013","DOIUrl":"10.1016/j.cortex.2025.08.013","url":null,"abstract":"<div><div>The human brain predicts various musical features such as harmony, melody, and rhythm during music perception. A previous electroencephalographic (EEG) study showed that the accuracy of pitch decoding during tone omission was greater when the pitch of the melody was highly predictable than when it was less predictable, reflecting that predictive information of a specific pitch is contained in the EEG signal. However, the specificity of prediction for other musical features has not been fully addressed. The present study investigated whether predicted instruments are decoded from the EEG signal during omission to examine the specificity of prediction in the timbre dimension. Thirty-five participants listened to unfamiliar melodies with simple (high predictability) or complex (low predictability) timbre change rules while watching a silent movie. The EEG was recorded when a tone expected to be played by one of four specific timbres (celesta, electric piano, marimba, organ) was omitted. The results showed that the amplitude of an omitted stimulus potential, oN1, did not differ between high and low predictability conditions. However, the support vector machine was able to decode the type of musical timbre during omission better than random chance in the high predictability condition but not in the low predictability condition. These results suggest that EEG signals contain information about which instrument should be played during omission, but this information is not manifested in traditional event-related potentials. The brain may specifically predict not only the pitch but also other musical dimensions, such as the timbre, of the upcoming tone.</div></div>","PeriodicalId":10758,"journal":{"name":"Cortex","volume":"192 ","pages":"Pages 64-77"},"PeriodicalIF":3.3,"publicationDate":"2025-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145091157","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-09-06DOI: 10.1016/j.cortex.2025.08.012
Antonia Gillmeister , Michal Pieniak , Thomas Hummel
The olfactory experiences vary widely among individuals. Despite having an otherwise normal sense of smell, some people exhibit specific anosmia, i.e., the inability to detect certain odorants. While genetic factors play a key role in this phenomenon, olfactory perception is also influenced by environment, and repeated exposure to odors (olfactory training) can enhance olfactory sensitivity. In this study, we examined whether olfactory training increases sensitivity towards odors participants were specifically anosmic to, and preliminary investigated whether this training-induced change is stable over time. Initially, we screened 335 participants with healthy sense of smell to identify individuals with specific anosmia towards androstenone, benzyl salicylate, bacdanol, or maltol. Subsequently, 77 participants with at least one specific anosmia underwent 2-months long olfactory training with these four odorants. We observed that following the training, participants became more sensitive towards odors they were specifically anosmic to, whereas sensitivity towards odors they were able to perceive at baseline did not change. However, the effects of olfactory training on specific anosmia were transient – 19 months after the training completion, 9 out of 10 followed-up participants became specifically anosmic towards androstenone again. Altogether, our findings demonstrate that the human olfactory system adjusts to novel odorous inputs, but these environmentally driven changes do not appear to be permanent in healthy participants.
{"title":"Investigating plasticity of the olfactory system through the lens of specific anosmia","authors":"Antonia Gillmeister , Michal Pieniak , Thomas Hummel","doi":"10.1016/j.cortex.2025.08.012","DOIUrl":"10.1016/j.cortex.2025.08.012","url":null,"abstract":"<div><div>The olfactory experiences vary widely among individuals. Despite having an otherwise normal sense of smell, some people exhibit specific anosmia, i.e., the inability to detect certain odorants. While genetic factors play a key role in this phenomenon, olfactory perception is also influenced by environment, and repeated exposure to odors (olfactory training) can enhance olfactory sensitivity. In this study, we examined whether olfactory training increases sensitivity towards odors participants were specifically anosmic to, and preliminary investigated whether this training-induced change is stable over time. Initially, we screened 335 participants with healthy sense of smell to identify individuals with specific anosmia towards androstenone, benzyl salicylate, bacdanol, or maltol. Subsequently, 77 participants with at least one specific anosmia underwent 2-months long olfactory training with these four odorants. We observed that following the training, participants became more sensitive towards odors they were specifically anosmic to, whereas sensitivity towards odors they were able to perceive at baseline did not change. However, the effects of olfactory training on specific anosmia were transient – 19 months after the training completion, 9 out of 10 followed-up participants became specifically anosmic towards androstenone again. Altogether, our findings demonstrate that the human olfactory system adjusts to novel odorous inputs, but these environmentally driven changes do not appear to be permanent in healthy participants.</div></div>","PeriodicalId":10758,"journal":{"name":"Cortex","volume":"192 ","pages":"Pages 53-63"},"PeriodicalIF":3.3,"publicationDate":"2025-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145085268","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A coherent sense of body ownership and position depends on the integration of top-down and bottom-up sensory signals. Disrupting this coherence through experimental illusions can alter body representation and peripheral physiological states, such as body temperature. To further investigate this link, we developed a novel virtual reality (VR) paradigm that manipulates spatial body representation by virtually repositioning the left hand into the right side of the body during a visuomotor task. Participants (n = 26) engaged in a 15-min immersive VR task using their right hand to manipulate a virtual cube with a stick. In the congruent condition, the virtual hand matched their actual right hand. In the incongruent condition, the right hand was visually replaced by a left hand, shifting the perceived body midline. We recorded left-hand temperature before and during the task, skin conductance responses (SCRs) to electrocutaneous stimulation, proprioceptive drift (PD), and subjective measures (embodiment, agency, altered body perception, and unpleasantness). Results showed a significant decrease in left-hand temperature in the incongruent condition, compared to an increase in the congruent condition. SCR amplitude correlated with temperature: cooling was associated with reduced SCRs, while warming predicted stronger responses. PD revealed a rightward shift in perceived finger position across conditions, likely due to the task's unilateral nature. Subjective ratings were similar across conditions. Overall, our findings demonstrate that visuomotor manipulations disrupting coherent body reference frames can induce measurable physiological changes, even in the absence of altered subjective experience, highlighting a link between body representation and peripheral bodily signals.
{"title":"Shifting the body midline: The impact of visuomotor modulations in virtual reality on peripheral autonomic activity","authors":"Matteo Girondini , Valentina Saccone , Massimo Montanaro , Alberto Gallace","doi":"10.1016/j.cortex.2025.08.008","DOIUrl":"10.1016/j.cortex.2025.08.008","url":null,"abstract":"<div><div>A coherent sense of body ownership and position depends on the integration of top-down and bottom-up sensory signals. Disrupting this coherence through experimental illusions can alter body representation and peripheral physiological states, such as body temperature. To further investigate this link, we developed a novel virtual reality (VR) paradigm that manipulates spatial body representation by virtually repositioning the left hand into the right side of the body during a visuomotor task. Participants (<em>n</em> = 26) engaged in a 15-min immersive VR task using their right hand to manipulate a virtual cube with a stick. In the congruent condition, the virtual hand matched their actual right hand. In the incongruent condition, the right hand was visually replaced by a left hand, shifting the perceived body midline. We recorded left-hand temperature before and during the task, skin conductance responses (SCRs) to electrocutaneous stimulation, proprioceptive drift (PD), and subjective measures (embodiment, agency, altered body perception, and unpleasantness). Results showed a significant decrease in left-hand temperature in the incongruent condition, compared to an increase in the congruent condition. SCR amplitude correlated with temperature: cooling was associated with reduced SCRs, while warming predicted stronger responses. PD revealed a rightward shift in perceived finger position across conditions, likely due to the task's unilateral nature. Subjective ratings were similar across conditions. Overall, our findings demonstrate that visuomotor manipulations disrupting coherent body reference frames can induce measurable physiological changes, even in the absence of altered subjective experience, highlighting a link between body representation and peripheral bodily signals.</div></div>","PeriodicalId":10758,"journal":{"name":"Cortex","volume":"192 ","pages":"Pages 90-103"},"PeriodicalIF":3.3,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145107639","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-09-04DOI: 10.1016/j.cortex.2025.08.010
Angelique Volfart , Katie L. McMahon , Catherine Liégeois-Chauvel , Vitória Piai , Greig de Zubicaray
There is ongoing debate about the role of ventral anterior temporal lobe (vATL) regions in the initial stages of production, particularly in accessing conceptual knowledge, with most evidence coming from visual naming tasks. Here, we investigated whether these regions are engaged during naming from different types of auditory stimuli. Twenty-five participants completed an fMRI experiment involving two naming tasks: auditory sentence definition (e.g., The yellow part of an egg) and nonverbal environmental sound (e.g., a sheep bleating). Our overall aim was to identify brain regions that are commonly activated across both naming tasks as well as those showing task-specific activations. With regards to the vATL's role, we hypothesised that these regions would show common activation across naming tasks, consistent with their proposed role in crossmodal conceptual processing, one of the first processing stages for retrieving a word based on an external input. Left-lateralized activation common to both tasks was observed in posterior fusiform gyrus, superior temporal gyrus and sulcus, inferior and superior frontal gyrus, and subcortical and cerebellar regions. Significant activation was observed in the bilateral vATLs only during naming to definitions, despite tSNR being equivalent across tasks. Our findings indicate that environmental sounds do not activate the vATL to the same extent as auditory definitions, placing constraints on the crossmodal nature of semantic representations in these regions.
{"title":"Are the ventral anterior temporal lobes involved in accessing conceptual knowledge during spoken word production? fMRI evidence from auditory naming","authors":"Angelique Volfart , Katie L. McMahon , Catherine Liégeois-Chauvel , Vitória Piai , Greig de Zubicaray","doi":"10.1016/j.cortex.2025.08.010","DOIUrl":"10.1016/j.cortex.2025.08.010","url":null,"abstract":"<div><div>There is ongoing debate about the role of ventral anterior temporal lobe (vATL) regions in the initial stages of production, particularly in accessing conceptual knowledge, with most evidence coming from visual naming tasks. Here, we investigated whether these regions are engaged during naming from different types of auditory stimuli. Twenty-five participants completed an fMRI experiment involving two naming tasks: auditory sentence definition (e.g., <em>The yellow part of an egg</em>) and nonverbal environmental sound (e.g., a sheep <em>bleating</em>). Our overall aim was to identify brain regions that are commonly activated across both naming tasks as well as those showing task-specific activations. With regards to the vATL's role, we hypothesised that these regions would show common activation across naming tasks, consistent with their proposed role in crossmodal conceptual processing, one of the first processing stages for retrieving a word based on an external input. Left-lateralized activation common to both tasks was observed in posterior fusiform gyrus, superior temporal gyrus and sulcus, inferior and superior frontal gyrus, and subcortical and cerebellar regions. Significant activation was observed in the bilateral vATLs only during naming to definitions, despite tSNR being equivalent across tasks. Our findings indicate that environmental sounds do not activate the vATL to the same extent as auditory definitions, placing constraints on the crossmodal nature of semantic representations in these regions.</div></div>","PeriodicalId":10758,"journal":{"name":"Cortex","volume":"192 ","pages":"Pages 35-52"},"PeriodicalIF":3.3,"publicationDate":"2025-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145079847","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-09-04DOI: 10.1016/j.cortex.2025.08.009
Griet Warlop , Silvia Formica , Emiel Cracco , Lies Blontrock , Jan R. Wiersema , Frederik J.A. Deconinck
Children with Developmental Coordination Disorder (DCD) are believed to have impaired internal motor representations in the control and learning of movements. This study tested this hypothesis by assessing the automatic imitation effect, that relies on internal representation of movement, in children with and without DCD, using a comparison of the behavioural effect and the neural processes contributing to it. Reaction times and EEG event-related potentials were measured during an automatic imitation finger-tapping task in 36 children with DCD (age: M = 12.9 years; SD = 2.0) and 36 matched typically developing children (age: M = 12.9 years; SD = 1.9). Contrary to our expectations, children with DCD demonstrated significantly stronger automatic imitation effects than children without DCD. This was accompanied by altered neural processing, evidenced by a significant delay in the visual processing of body parts, as reflected in N190 latency. However, no differences were observed in motor preparation, as indexed by the readiness potential. These findings suggest that children with DCD do not exhibit reduced automatic imitation, and do not support the assumption of impaired internal representation of action in this group. Yet, deficits in control processes, such as alterations in the timing of perception, may contribute to the difficulties in DCD.
{"title":"Children with DCD show stronger automatic imitation effects accompanied by delayed early visual processing","authors":"Griet Warlop , Silvia Formica , Emiel Cracco , Lies Blontrock , Jan R. Wiersema , Frederik J.A. Deconinck","doi":"10.1016/j.cortex.2025.08.009","DOIUrl":"10.1016/j.cortex.2025.08.009","url":null,"abstract":"<div><div>Children with Developmental Coordination Disorder (DCD) are believed to have impaired internal motor representations in the control and learning of movements. This study tested this hypothesis by assessing the automatic imitation effect, that relies on internal representation of movement, in children with and without DCD, using a comparison of the behavioural effect and the neural processes contributing to it. Reaction times and EEG event-related potentials were measured during an automatic imitation finger-tapping task in 36 children with DCD (age: M = 12.9 years; SD = 2.0) and 36 matched typically developing children (age: M = 12.9 years; SD = 1.9). Contrary to our expectations, children with DCD demonstrated significantly stronger automatic imitation effects than children without DCD. This was accompanied by altered neural processing, evidenced by a significant delay in the visual processing of body parts, as reflected in N190 latency. However, no differences were observed in motor preparation, as indexed by the readiness potential. These findings suggest that children with DCD do not exhibit reduced automatic imitation, and do not support the assumption of impaired internal representation of action in this group. Yet, deficits in control processes, such as alterations in the timing of perception, may contribute to the difficulties in DCD.</div></div>","PeriodicalId":10758,"journal":{"name":"Cortex","volume":"192 ","pages":"Pages 18-34"},"PeriodicalIF":3.3,"publicationDate":"2025-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145079769","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-09-01Epub Date: 2025-06-11DOI: 10.1016/j.cortex.2025.05.014
Martin Constant, Ananya Mandal, Dariusz Asanowicz, Bartłomiej Panek, Ilona Kotlewska, Motonori Yamaguchi, Helge Gillmeister, Dirk Kerzel, David Luque, Sara Molinero, Antonio Vázquez-Millán, Francesca Pesciarelli, Eleonora Borelli, Hanane Ramzaoui, Melissa Beck, Bertille Somon, Andrea Desantis, M Concepción Castellanos, Elisa Martín-Arévalo, Greta Manini, Mariagrazia Capizzi, Ahu Gokce, Demet Özer, Efe Soyman, Ece Yılmaz, Joshua O Eayrs, Raquel E London, Tabitha Steendam, Christian Frings, Bernhard Pastötter, Bence Szaszkó, Pamela Baess, Shabnamalsadat Ayatollahi, Gustavo A León Montoya, Nicole Wetzel, Andreas Widmann, Liyu Cao, Xueqi Low, Thiago L Costa, Leonardo Chelazzi, Bianca Monachesi, Siri-Maria Kamp, Luisa Knopf, Roxane J Itier, Johannes Meixner, Kerstin Jost, André Botes, Carley Braddock, Danqi Li, Alicja Nowacka, Marlo Quenault, Daniele Scanzi, Tamar Torrance, Paul M Corballis, Gianvito Laera, Matthias Kliegel, Dominik Welke, Faisal Mushtaq, Yuri G Pavlov, Heinrich R Liesefeld
The N2pc is widely employed as an electrophysiological marker of an attention allocation. This interpretation was largely driven by the observation of an N2pc elicited by an isolated relevant target object, which was reported as Experiment 2 in Eimer (1996). All subsequent refined interpretations of the N2pc had to take this crucial finding into account. Despite its central role for neurocognitive attention research, there have been no direct replications and only few conceptual replications of this seminal work. Within the context of #EEGManyLabs, an international community-driven effort to replicate the most influential EEG studies ever published, the present study was selected due to its strong impact on the study of selective attention. We revisit the idea of the N2pc being an indicator of attentional selectivity by delivering a high powered direct replication of Eimer's work through analysis of 779 datasets acquired from 22 labs across 14 countries. Our results robustly replicate the N2pc to form stimuli, but a direct replication of the N2pc to color stimuli technically failed. We believe that this pattern not only sheds further light on the functional significance of the N2pc as an electrophysiological marker of attentional selectivity, but also highlights a methodological problem with selecting analysis windows a priori. By contrast, the consistency of observed ERP patterns across labs and analysis pipelines is stunning, and this consistency is preserved even in datasets that were rejected for (ocular) artifacts, attesting to the robustness of the ERP technique and the feasibility of large-scale multilab EEG (replication) studies.
{"title":"A multilab investigation into the N2pc as an indicator of attentional selectivity: Direct replication of Eimer (1996).","authors":"Martin Constant, Ananya Mandal, Dariusz Asanowicz, Bartłomiej Panek, Ilona Kotlewska, Motonori Yamaguchi, Helge Gillmeister, Dirk Kerzel, David Luque, Sara Molinero, Antonio Vázquez-Millán, Francesca Pesciarelli, Eleonora Borelli, Hanane Ramzaoui, Melissa Beck, Bertille Somon, Andrea Desantis, M Concepción Castellanos, Elisa Martín-Arévalo, Greta Manini, Mariagrazia Capizzi, Ahu Gokce, Demet Özer, Efe Soyman, Ece Yılmaz, Joshua O Eayrs, Raquel E London, Tabitha Steendam, Christian Frings, Bernhard Pastötter, Bence Szaszkó, Pamela Baess, Shabnamalsadat Ayatollahi, Gustavo A León Montoya, Nicole Wetzel, Andreas Widmann, Liyu Cao, Xueqi Low, Thiago L Costa, Leonardo Chelazzi, Bianca Monachesi, Siri-Maria Kamp, Luisa Knopf, Roxane J Itier, Johannes Meixner, Kerstin Jost, André Botes, Carley Braddock, Danqi Li, Alicja Nowacka, Marlo Quenault, Daniele Scanzi, Tamar Torrance, Paul M Corballis, Gianvito Laera, Matthias Kliegel, Dominik Welke, Faisal Mushtaq, Yuri G Pavlov, Heinrich R Liesefeld","doi":"10.1016/j.cortex.2025.05.014","DOIUrl":"10.1016/j.cortex.2025.05.014","url":null,"abstract":"<p><p>The N2pc is widely employed as an electrophysiological marker of an attention allocation. This interpretation was largely driven by the observation of an N2pc elicited by an isolated relevant target object, which was reported as Experiment 2 in Eimer (1996). All subsequent refined interpretations of the N2pc had to take this crucial finding into account. Despite its central role for neurocognitive attention research, there have been no direct replications and only few conceptual replications of this seminal work. Within the context of #EEGManyLabs, an international community-driven effort to replicate the most influential EEG studies ever published, the present study was selected due to its strong impact on the study of selective attention. We revisit the idea of the N2pc being an indicator of attentional selectivity by delivering a high powered direct replication of Eimer's work through analysis of 779 datasets acquired from 22 labs across 14 countries. Our results robustly replicate the N2pc to form stimuli, but a direct replication of the N2pc to color stimuli technically failed. We believe that this pattern not only sheds further light on the functional significance of the N2pc as an electrophysiological marker of attentional selectivity, but also highlights a methodological problem with selecting analysis windows a priori. By contrast, the consistency of observed ERP patterns across labs and analysis pipelines is stunning, and this consistency is preserved even in datasets that were rejected for (ocular) artifacts, attesting to the robustness of the ERP technique and the feasibility of large-scale multilab EEG (replication) studies.</p>","PeriodicalId":10758,"journal":{"name":"Cortex","volume":"190 ","pages":"304-341"},"PeriodicalIF":3.3,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144798437","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-08-30DOI: 10.1016/j.cortex.2025.08.007
Miguel Rubianes , Francisco Muñoz , Linda Drijvers , Manuel Martín-Loeches
Prior research shows that self-referential information (e.g., seeing one's own face) is prioritized in human cognition. However, the brain signal variability underlying self-processing remains scarcely treated in the literature. Additionally, less is known about whether the processing of self-referential visual content can be modulated by facial expressions of emotion, as these resemble more natural situations than neutral expressions. This study therefore investigated the brain signal variability underlying self-referential visual processing and its possible interaction with emotional facial expressions, as indexed by multiscale entropy analysis (MSE). This metric captures the temporal complexity or variability contained in neural patterns at varying timescales. Thirty-two participants were presented with distinctive facial identities (self, friend, and unknown) displaying different facial expressions (happy, neutral, and angry) and performed an identity recognition task. Our results showed that brain signal variability decreases in response to self-faces compared to other identities. Similarly, brain signal variability also decreases for friend faces relative to unknown faces. This reduction in complexity could be indicative of greater efficiency during the preferential processing of personally relevant stimuli. Furthermore, the data observed here show that self-processing is unaffected by facial expressions of emotion, suggesting an independent processing of identity from more dynamic facial information, particularly when the task demands are focused on identity recognition. These results provide novel evidence of the moment-to-moment brain signal variability involved in the identity of the self and others. The evidence presented here adds to a growing literature highlighting the relevance of neural variability for understanding brain-behavior relationships.
{"title":"Brain signal variability is reduced during self-face processing irrespective of emotional facial expressions: Evidence from multiscale entropy analysis","authors":"Miguel Rubianes , Francisco Muñoz , Linda Drijvers , Manuel Martín-Loeches","doi":"10.1016/j.cortex.2025.08.007","DOIUrl":"10.1016/j.cortex.2025.08.007","url":null,"abstract":"<div><div>Prior research shows that self-referential information (e.g., seeing one's own face) is prioritized in human cognition. However, the brain signal variability underlying self-processing remains scarcely treated in the literature. Additionally, less is known about whether the processing of self-referential visual content can be modulated by facial expressions of emotion, as these resemble more natural situations than neutral expressions. This study therefore investigated the brain signal variability underlying self-referential visual processing and its possible interaction with emotional facial expressions, as indexed by multiscale entropy analysis (MSE). This metric captures the temporal complexity or variability contained in neural patterns at varying timescales. Thirty-two participants were presented with distinctive facial identities (self, friend, and unknown) displaying different facial expressions (happy, neutral, and angry) and performed an identity recognition task. Our results showed that brain signal variability decreases in response to self-faces compared to other identities. Similarly, brain signal variability also decreases for friend faces relative to unknown faces. This reduction in complexity could be indicative of greater efficiency during the preferential processing of personally relevant stimuli. Furthermore, the data observed here show that self-processing is unaffected by facial expressions of emotion, suggesting an independent processing of identity from more dynamic facial information, particularly when the task demands are focused on identity recognition. These results provide novel evidence of the moment-to-moment brain signal variability involved in the identity of the self and others. The evidence presented here adds to a growing literature highlighting the relevance of neural variability for understanding brain-behavior relationships.</div></div>","PeriodicalId":10758,"journal":{"name":"Cortex","volume":"192 ","pages":"Pages 1-17"},"PeriodicalIF":3.3,"publicationDate":"2025-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145047399","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
扫码关注我们
求助内容：
应助结果提醒方式：
京公网安备 11010802042870号