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Critical feedback impacts creative ideation and brain oscillations 批判性反馈影响创造性思维和大脑振荡
IF 2 3区 心理学 Q3 BEHAVIORAL SCIENCES Pub Date : 2026-01-26 Epub Date: 2025-10-29 DOI: 10.1016/j.neuropsychologia.2025.109307
Adriana R. Miller , Danielle S. Dickson , Rafał Jończyk , Daisy Lei , Gül E. Kremer , Zahed Siddique , Roger E. Beaty , Janet G. van Hell
Creative thinking is a vital skill for engineers. Prior work suggests that social dynamics—such as critical feedback from a high-authority figure—can influence the ideation process. Yet little is known about the neurocognitive mechanisms through which feedback shapes creative thinking. In this study, engineering students completed a creative ideation task while EEG was recorded. Midway through the experiment, a professor gave the participant either supportive or unsupportive critical feedback on their performance. Supportive feedback was expected to positively influence creativity compared to unsupportive feedback: participants in the supportive feedback condition were predicted to show greater idea originality and fluency after receiving feedback, as well as a greater EEG power increase in the alpha frequency band (8–12 Hz) that is robustly associated with creativity. We found that after receiving feedback—whether supportive or unsupportive—participants produced fewer but more highly original responses and showed increased alpha power. These results indicate that feedback can cause engineers to generate fewer but more original ideas by driving alpha-band activity in the brain. In further analyses, we found decreased beta-band activity before feedback only in the unsupportive condition, possibly reflecting increased cognitive stress and internally directed attention required to adjust performance in the post-feedback phase.
创造性思维是工程师的一项重要技能。先前的研究表明,社会动力——比如来自权威人物的批评反馈——可以影响思维过程。然而,我们对反馈如何塑造创造性思维的神经认知机制知之甚少。在本研究中,工科学生完成了一项创造性思维任务,同时记录了脑电图。在实验进行到一半时,一位教授对参与者的表现给予支持或不支持的批评反馈。与非支持性反馈相比,支持性反馈预计会对创造力产生积极影响:支持性反馈条件下的参与者在接受反馈后,预计会表现出更大的创意和流畅性,并且与创造力密切相关的α频段(8-12 Hz)的脑电图功率也会增加。我们发现,在接受反馈后——无论是支持的还是不支持的——参与者产生的反应更少,但更具有原创性,并显示出更高的阿尔法能量。这些结果表明,反馈可以通过驱动大脑中的α波段活动,使工程师产生更少但更多的原创想法。在进一步的分析中,我们发现只有在不支持的情况下,反馈前的β -波段活动才会下降,这可能反映了在反馈后阶段调整表现所需的认知压力和内部定向注意力的增加。
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引用次数: 0
Formation of allocentric representations after exposure to a novel, naturalistic, city-like, virtual reality environment 暴露于新颖的、自然的、城市般的虚拟现实环境后,形成异中心表征。
IF 2 3区 心理学 Q3 BEHAVIORAL SCIENCES Pub Date : 2026-01-26 Epub Date: 2025-10-01 DOI: 10.1016/j.neuropsychologia.2025.109290
Yasmine Bassil , Anisha Kanukolanu , Emma Funderburg , Thackery Brown , Michael R. Borich
During human spatial navigation, individuals transform visuospatial information between egocentric (i.e., first-person, viewer-dependent, body-centered) and allocentric (i.e., third-person, viewer-independent, world-centered) representations for optimal understanding of the surrounding environment. To capture reference frame utilization in a laboratory setting, naturalistic, immersive, open-environment settings in virtual reality are used to mimic real-world navigation. However, few studies have paired navigation through immersive environments with robust, standardized, post-session testing of reference frame utilization. Here, a novel, immersive, city-like, naturalistic virtual reality environment (‘NavCity’) was developed and paired with an accompanying NavCity Allocentric Representation Assessment (NARA) to quantify naturalistic navigation ability and effects of repeated environmental exposure on the formation of allocentric reference frames within a singular experimental session. The NavCity task provides an open-source, standardized, editable, accessible, virtual reality paradigm for assessing naturalistic navigation ability, and the accompanying NARA serves to promote standardization of measures aiming to quantify allocentric knowledge recall. Our central hypothesis is that we will observe within-session improvement in navigation performance after repeated NavCity exposure, which will scale with stronger recall of allocentric representations. Results support this hypothesis and show that within-session NavCity improvements are associated with the assessment of formed allocentric representations tied to the navigated environment. Importantly, this study addresses the need for standardized assessments that measure transformations of first-person, egocentric navigation experiences to third-person, allocentric knowledge using an open-source, naturalistic tool. Immediate next steps are to characterize effects of aging on NavCity and NARA performance to provide understanding of aging-related deficits in allocentric reference frame utilization in older adults.
在人类空间导航过程中,个体在自我中心(即第一人称,依赖于观众,以身体为中心)和非中心(即第三人称,独立于观众,以世界为中心)表征之间转换视觉空间信息,以获得对周围环境的最佳理解。为了在实验室环境中捕捉参考框架的使用,虚拟现实中的自然、沉浸式、开放环境设置用于模拟现实世界的导航。然而,很少有研究将沉浸式环境中的导航与参考框架使用的稳健、标准化、会话后测试配对。在这里,一个新颖的、沉浸式的、城市式的、自然的虚拟现实环境(“NavCity”)被开发出来,并与伴随的NavCity非中心表征评估(NARA)相匹配,以量化自然导航能力,以及在单一实验过程中重复环境暴露对非中心参考框架形成的影响。NavCity任务为评估自然导航能力提供了一个开源的、标准化的、可编辑的、可访问的虚拟现实范例,而相应的NARA有助于促进旨在量化非中心知识回忆的标准化措施。我们的中心假设是,在重复使用NavCity后,我们将观察到会话内导航性能的改善,这将随着对非中心表征的更强回忆而扩大。结果支持这一假设,并表明会话内NavCity的改进与与导航环境相关的形成的非中心表示的评估有关。重要的是,本研究解决了标准化评估的需求,使用开源的自然主义工具来衡量第一人称、以自我为中心的导航体验向第三人称、非中心知识的转变。接下来的直接步骤是表征衰老对NavCity和NARA性能的影响,以了解老年人在异心参考框架利用方面的衰老相关缺陷。
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引用次数: 0
Processing trimorphemic words: linearity and internal structure 处理三形词:线性和内部结构。
IF 2 3区 心理学 Q3 BEHAVIORAL SCIENCES Pub Date : 2026-01-26 Epub Date: 2025-10-21 DOI: 10.1016/j.neuropsychologia.2025.109297
Yaxuan Meng , Sandra Kotzor , Aditi Lahiri
The internal structure of trimorphemic words and its potential impact on stem access have not as yet been explored in great depth. The combinatory possibilities of a single stem with two affixes can vary between left-branching unkindness or right-branching unhelpful. The non-linearity of the grouping leads to an obvious query regarding the decomposition of the complex words and the consequences this may have for lexical access of the stems. To address this question, we conducted a cross-modal priming experiment employing a combination of trimorphemic primes and stem targets across four conditions: semantic (indecisive - hesitate), form (extensive - tense), morphological left-branching (e.g. un-kind-ness > kind), and right-branching (e.g. un-help-ful > help). Behavioural results revealed facilitation in both left- and right-branching conditions, whereas no such effect was found in semantic and form conditions. The ERP analysis, however, revealed different patterns between the semantic and morphological conditions. Semantically related primes facilitated the targets, evidenced by an N400 attenuation. The two morphological conditions differed; facilitation effect was not detected in the morphological left-branching condition, whereas right-branching related primes inhibited access to the target, indicated by an increased N400 response compared to control primes. This asymmetry between the two morphological conditions suggests a difference in the speed and ease of lexical access in trimorphemic words which is affected by their internal structure with suffixes being less easily separable from the stem than prefixes.
三形词的内部结构及其对词干获取的潜在影响尚未得到深入的探讨。带有两个词缀的单一词干的组合可能在左分支不友好或右分支不帮助之间变化。分组的非线性导致了一个关于复杂单词分解的明显查询,以及这可能对词干的词法访问产生的后果。为了解决这个问题,我们进行了一个跨模态启动实验,使用三形态启动和干目标在四种条件下的组合:语义(犹豫不决-犹豫),形式(广泛-紧张),形态左分支(如unkind - > kind)和右分支(如unhelpful > help)。行为结果显示左分支和右分支条件下的促进作用,而语义和形式条件下没有发现这种作用。然而,ERP分析揭示了语义和形态条件之间的不同模式。语义相关的启动物促进了目标,N400衰减证明了这一点。两种形态条件不同;形态学左分支条件下未检测到诱导效应,而右分支相关启动物抑制了对目标的接近,这表明与对照启动物相比,N400反应增加。这两种形态条件之间的不对称表明三形词在词汇获取的速度和容易程度上存在差异,这受其内部结构的影响,后缀比前缀更不容易与词干分离。
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引用次数: 0
Increased hierarchical influence of executive control and attention networks in the creative brain: A dependency network analysis 创造性大脑中执行控制和注意网络的等级影响:依赖网络分析。
IF 2 3区 心理学 Q3 BEHAVIORAL SCIENCES Pub Date : 2026-01-26 Epub Date: 2025-11-03 DOI: 10.1016/j.neuropsychologia.2025.109313
Junchao Li , Ruiwang Huang , Ming Liu , Delong Zhang , Bishan Liang
Although numerous studies have primarily associated creativity with spontaneous thought and its corresponding neural networks, effective creativity entails much more than uninhibited ideation. It requires the capacity to filter out irrelevant information, maintain optimal attentional tuning, and strategically regulate and refine innovative outputs. We argue that a robust and adaptive executive control network (ECN), operating in concert with attentional networks, is essential for creativity. Accordingly, we hypothesized that high-creative individuals would exhibit enhanced top-down modulation from both the ECN and attention networks onto other brain networks. To test this hypothesis, we employed resting-state fMRI and Dependency Network Analysis (DEPNA) to examine differences in hierarchical influence patterns across multiple brain regions and networks between individuals with high and low creative abilities. Our analyses revealed that high-creative individuals, relative to their low-creative counterpart, exhibited increased influence of specific brain regions on inter-regional functional connectivity across multiple brain regions. These regions demonstrating augmented influence were predominantly localized within the ECN and ventral attention network (VAN), specifically the bilateral inferior frontal gyrus (IFG), bilateral inferior frontal sulcus (IFS), and right middle frontal gyrus (MFG). Moreover, high-creative individuals displayed significantly greater influence of the ECN and the dorsal attention network (DAN) on other large-scale brain networks. These findings suggest top-down cognitive and attentional control may be crucial in facilitating creativity.
尽管许多研究主要将创造力与自发思维及其相应的神经网络联系起来,但有效的创造力需要的不仅仅是不受约束的思维。它需要过滤掉不相关信息的能力,保持最佳的注意力调整,战略性地调节和完善创新的产出。我们认为,一个强大的、自适应的执行控制网络(ECN),与注意力网络协同工作,对创造力至关重要。因此,我们假设高创造力的个体会表现出增强的从外神经网络和注意力网络到其他大脑网络的自上而下的调节。为了验证这一假设,我们采用静息状态功能磁共振成像(fMRI)和依赖网络分析(DEPNA)来检查高创造力和低创造力个体在多个大脑区域和网络中的层次影响模式差异。我们的分析显示,与低创造力个体相比,高创造力个体的特定大脑区域对跨多个大脑区域间功能连接的影响更大。这些表现出增强影响的区域主要位于ECN和腹侧注意网络(VAN)内,特别是双侧额下回(IFG)、双侧额下沟(IFS)和右侧额中回(MFG)。此外,高创造力个体的ECN和背侧注意网络(DAN)对其他大尺度脑网络的影响显著更大。这些发现表明,自上而下的认知和注意力控制可能对促进创造力至关重要。
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引用次数: 0
Navigating image space 导航图像空间
IF 2 3区 心理学 Q3 BEHAVIORAL SCIENCES Pub Date : 2025-12-15 Epub Date: 2025-08-30 DOI: 10.1016/j.neuropsychologia.2025.109233
Andrew Glennerster
Navigation means getting from here to there. Unfortunately, for biological navigation, there is no agreed definition of what we might mean by ‘here’ or ‘there’. Computer vision (‘Simultaneous Localisation and Mapping’, SLAM) uses a 3D world-based coordinate frame but that is a poor model for biological spatial representation. Another possibility is to use an image-based rather than a map-based representation. The image-based strategy is made simpler if the observer maintains fixation on a stationary point in the scene as they move. This strategy would require a system for relating different fixation points to one another as the observer moves through the environment. I describe how this can be done by, first, relating fixations to an egocentric representation of visual direction and, second, encoding egocentric representations in a coarse-to-fine hierarchy. The coarsest level of this hierarchy is, in some sense, a world-based frame as it does not vary with eye rotation or observer translation. This representation could be implemented as a ‘policy’, a term used in reinforcement learning to describe a set of states and associated actions, or a ‘graph’ that describes how images or sensory states can be connected by actions. I discuss some of the psychophysical evidence relating to these differing hypotheses about spatial representation and navigation. I argue that this evidence supports image-based rather than map-based representation.
导航意味着从这里到那里。不幸的是,对于生物导航,我们对“这里”或“那里”的含义并没有统一的定义。计算机视觉(“同步定位和映射”,SLAM)使用基于世界的3D坐标框架,但这是一个糟糕的生物空间表示模型。另一种可能性是使用基于图像的表示,而不是基于地图的表示。如果观察者在移动时保持对场景中静止点的注视,基于图像的策略就会变得简单。这个策略需要一个系统,当观察者在环境中移动时,将不同的注视点彼此联系起来。我描述了如何做到这一点,首先,将注视与视觉方向的自我中心表征联系起来,其次,在一个从粗到精的层次结构中编码自我中心表征。从某种意义上说,这个层次的最粗略的层次是一个基于世界的框架,因为它不随眼睛旋转或观察者的转换而变化。这种表示可以实现为“策略”,这是强化学习中用来描述一组状态和相关动作的术语,或者是描述图像或感官状态如何通过动作连接的“图”。我将讨论一些与这些关于空间表征和导航的不同假设相关的心理物理证据。我认为这个证据支持基于图像而不是基于地图的表示。
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引用次数: 0
No evidence for a targeted memory reactivation effect on word-meaning priming 词义启动的目标记忆再激活效应无证据。
IF 2 3区 心理学 Q3 BEHAVIORAL SCIENCES Pub Date : 2025-12-15 Epub Date: 2025-08-28 DOI: 10.1016/j.neuropsychologia.2025.109264
Lewis V. Ball , Eva Kimel , Vanessa G. Keller , Eloise Ward , Scott A. Cairney , Matthew H.C. Mak , Lu Li , Jennifer M. Rodd , M. Gareth Gaskell
The subordinate meaning of a homonym becomes temporarily more accessible after it is encountered, an effect termed word-meaning priming. Over the longer-term, word-meaning priming is better maintained across periods of sleep compared with wakefulness. This has been explained as sleep actively consolidating episodic memories related to recent linguistic events (Gaskell et al., 2019). Here, we tested this hypothesis by investigating whether word-meaning priming can be boosted following sleep using targeted memory reactivation (TMR), a technique of biassing specific memories for sleep-based consolidation by presenting information-associated sensory cues during sleep. In an exposure phase, 40 (of 80) homonyms were primed toward their subordinate meaning via a sentence, which was also associated with an auditory cue (the homonym) for TMR. Participants then took a ∼2 h nap, where half of the cues from exposure (memory cues) were replayed with the aim of strengthening the subordinate sentence meaning, along with 20 cues that had not been encountered previously (control cues). After sleep, there was an overall word-meaning priming effect, however there was no additional benefit of TMR on priming, nor did TMR benefit the recall of contextual information. Interestingly, there was an increased sleep spindle/beta band power response to memory cues relative to control cues, indicating cue-evoked memory reprocessing during sleep. These findings are consistent with a bounded role of sleep in actively consolidating linguistic-related memories.
同音同义词的从属意义在遇到后会暂时变得更容易理解,这种效应被称为词义启动效应。从长期来看,与清醒相比,词义启动在睡眠期间能更好地维持。这被解释为睡眠积极巩固与最近语言事件相关的情景记忆(Gaskell et al., 2019)。在这里,我们通过使用目标记忆再激活(TMR)来调查是否可以在睡眠后增强词义启动来验证这一假设。TMR是一种通过在睡眠中呈现与信息相关的感官线索来偏置特定记忆以巩固睡眠的技术。在暴露阶段,80个同音同义词中的40个通过一个句子被提示其从属意义,这也与TMR的听觉提示(同音同义词)有关。然后,参与者小睡2个小时,其中一半来自暴露的线索(记忆线索)被重播,目的是加强从属句子的意义,同时还有20个以前没有遇到过的线索(控制线索)。睡眠后,有一个整体的单词-含义启动效应,但TMR对启动没有额外的好处,也没有对上下文信息的回忆有好处。有趣的是,与对照线索相比,睡眠纺锤波/ β波段功率对记忆线索的反应增加,这表明在睡眠期间线索诱发的记忆再加工。这些发现与睡眠在积极巩固语言相关记忆中的有限作用是一致的。
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引用次数: 0
Neural correlates of metacognition in education: a machine learning approach 教育中元认知的神经关联:一种机器学习方法。
IF 2 3区 心理学 Q3 BEHAVIORAL SCIENCES Pub Date : 2025-12-15 Epub Date: 2025-08-28 DOI: 10.1016/j.neuropsychologia.2025.109265
Damien S. Fleur , Esra C.S. de Groot , Bert Bredeweg , Wouter van den Bos
Metacognition, the ability to reflect and regulate one's cognitive processes, has been shown to play a role in various aspects of life, particularly in academic settings. While important steps have been made in uncovering the neural basis of metacognition for highly specific domains (such as perceptual and mnemonic decision-making), little is known about how these findings relate to general forms of metacognition relevant in education. In this study, we use a data-driven approach to (i) identify brain regions associated with metacognition in education, and (ii) investigate the issue of domain-generality and to what extent these brain regions overlap with regions involved in metacognition in the context of specific decision-making tasks used in cognitive neuroscience. Individual differences in grey-matter volume in the precuneus and neighbouring brain regions were associated with education-related metacognitive knowledge and regulation. We also found overlaps between task-related mnemonic metacognitive abilities and education-related metacognitive knowledge, for example in in the superior frontal cortex. There were also regions specifically associated with metacognition in education, such as the banks of the superior temporal sulcus. Together, our findings suggest a link between lab-setting, domain-specific metacognitive abilities and real-life metacognition in the context of education.
元认知是一种反映和调节一个人认知过程的能力,已被证明在生活的各个方面发挥作用,特别是在学术环境中。虽然在揭示高度特定领域(如知觉和助记决策)元认知的神经基础方面取得了重要进展,但这些发现与教育相关的一般元认知形式之间的关系尚不清楚。在这项研究中,我们使用数据驱动的方法来(i)识别与教育中元认知相关的大脑区域,(ii)调查领域一般性问题,以及在认知神经科学中使用的特定决策任务中,这些大脑区域与涉及元认知的区域在多大程度上重叠。楔前叶和邻近脑区灰质体积的个体差异与教育相关的元认知知识和调节有关。我们还发现与任务相关的记忆元认知能力和与教育相关的元认知知识之间存在重叠,例如在额叶上部皮层。还有一些区域与教育中的元认知相关,比如颞上沟库。总之,我们的研究结果表明,在教育背景下,实验室环境、特定领域的元认知能力和现实生活中的元认知之间存在联系。
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引用次数: 0
Functional roles of Swedish pitch accents and their phonological and cognitive markedness 瑞典音高口音的功能角色及其语音和认知标记。
IF 2 3区 心理学 Q3 BEHAVIORAL SCIENCES Pub Date : 2025-12-15 Epub Date: 2025-09-20 DOI: 10.1016/j.neuropsychologia.2025.109273
Hatice Zora , Helena Bowin , Mattias Heldner , Tomas Riad , Peter Hagoort
In Swedish, words are associated with either of two pitch contours labelled as Accent 1 and Accent 2. At least one of them is taken to be phonologically and cognitively marked. Besides encoding lexical tonal distinctions, these accents reflect intonational prominence. Drawing on data from psychometric and electroencephalographic (EEG) measures, we scrutinized the functional load of the accents for the processing of linguistic input, and explored any potential processing differences between Accent 1 and Accent 2. Experimental stimuli consisted of one hundred sets of auditory dialogues, where test words were accented either appropriately or inappropriately within their respective contexts. Native speakers of Central Swedish were tasked with judging the correctness of sentences containing the test words, actively in the psychometric paradigm and passively in the EEG paradigm. Psychometric data from forty participants revealed that accent violations exerted a statistically significant negative impact on correctness judgements. Both Accent 1 and Accent 2 violations were deemed as incorrect by the listeners, indicating that listeners use both of them to arrive at the correct interpretation of the linguistic input. Moreover, there was a statistically significant difference in the perceived correctness of violations depending on the accent pattern. Accent 2 violations received a lower rating for correctness in comparison to Accent 1 violations, suggesting that listeners show more sensitivity to accent violations in Accent 2 words than in Accent 1 words. EEG data from twenty participants were in accordance with the psychometric data, and documented larger negative ERP responses, observed at both early and later latencies, to Accent 2 violations compared to Accent 1 violations, reflecting neurocognitive difficulty associated with the processing of linguistic input. Put differently, the application of wrong accent pattern for Accent 2 words resulted in higher costs for spoken communication than Accent 1 words, which is in line with the notion that Accent 2 is marked both phonologically and cognitively in Central Swedish. This pattern of results provides evidence that the brain not only extracts and utilizes pitch accents for a coherent interpretation of the linguistic input but also treats them differently depending on their phonological and cognitive markedness.
在瑞典语中,单词与被称为重音1和重音2的两个音高轮廓中的任何一个相关联。其中至少有一个被认为是语音和认知标记的。这些重音除了编码词汇的音调差别外,还反映了语调的突出性。利用心理测量和脑电图(EEG)测量的数据,我们仔细研究了口音处理语言输入的功能负荷,并探讨了口音1和口音2之间的潜在处理差异。实验刺激包括100组听觉对话,其中测试单词在各自的上下文中被适当或不适当地重读。以中部瑞典语为母语的人被要求判断包含测试词的句子的正确性,在心理测量范式中是主动的,在脑电图范式中是被动的。来自40名参与者的心理测量数据显示,违反口音对正确判断产生了统计上显著的负面影响。违反重音1和重音2都被听者认为是不正确的,这表明听者使用这两种重音来获得对语言输入的正确解释。此外,在不同的重音模式下,违规行为的感知正确性也有统计学上的显著差异。与重音1的错误相比,重音2的错误得到了更低的正确评分,这表明听众对重音2的错误比重音1的错误更敏感。来自20名参与者的脑电图数据与心理测量数据一致,记录了在早期和后期潜伏期中,违反口音2比违反口音1更大的负ERP反应,反映了与语言输入处理相关的神经认知困难。换句话说,对于口音2的单词使用错误的重音模式导致口语交流的成本比口音1的单词高,这与口音2在中部瑞典语的语音和认知上都有标记的概念是一致的。这种结果模式提供了证据,表明大脑不仅提取和利用音高重音来连贯地解释语言输入,而且根据语音和认知标记对它们进行不同的处理。
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引用次数: 0
The sacrifice of alerting in active short video users: Evidence from executive control and default mode network functional connectivity 主动短视频用户的报警牺牲:来自执行控制和默认模式网络功能连接的证据。
IF 2 3区 心理学 Q3 BEHAVIORAL SCIENCES Pub Date : 2025-12-15 Epub Date: 2025-10-03 DOI: 10.1016/j.neuropsychologia.2025.109291
Guanghui Zhai , Yang Feng , Xin Ling , Jiahui Su , Yifan Liu , Yiwei Li , Yunpeng Jiang , Xia Wu
Human attention is a limited resource increasingly taxed by continuous, socially embedded media streams, but how habitual short-video use shapes core attentional operations and their neural substrates remains unclear. Here we distinguish active from passive short video usage and examine whether they differentially relate to the alerting, orienting, and executive components of attention and to large-scale resting-state network connectivity. Our results demonstrate that frequent active short video usage predicts reduced alerting efficiency and the functional connectivity between right ventral prefrontal cortex (PFCv) and right posterior cingulate cortex (PCC) mediates this association, attenuating the direct effect and implicating interactions between default mode network (DMN) and control network. While orienting exhibits a modest interaction among different usages in which higher passive usage confers greater orienting only among low-active users, and executive control shows no reliable association. These findings extend resource-control accounts of attention to the short-video context by identifying a specific, right-lateralized coupling between brain networks that links active usage to diminished alerting. Mechanistically, we identify a right-lateralized default-control coupling that mediates the link between active short video usage and reduced alerting, isolating a modifiable resting-state pathway. These results provide actionable metrics for intervention and platform design to mitigate attentional costs in high-exposure users, informing evidence-based guidance for education and policy.
人类的注意力是一种有限的资源,不断被社会嵌入的媒体流所消耗,但习惯性的短视频使用如何塑造核心注意力操作及其神经基质仍不清楚。在这里,我们区分了主动和被动的短视频使用,并研究了它们是否与注意力的警报、定向和执行部分以及大规模静息状态网络连接有不同的关系。我们的研究结果表明,频繁的活跃短视频使用预示着警觉性效率的降低,而右侧腹侧前额叶皮层(PFCv)和右侧后扣带皮层(PCC)之间的功能连接介导了这种关联,减弱了直接效应,并暗示了默认模式网络(DMN)和控制网络之间的相互作用。而定向在不同用法之间表现出适度的相互作用,其中较高的被动用法仅在低活跃用户中赋予较大的定向,而执行控制没有显示可靠的关联。这些发现通过识别大脑网络之间特定的、右旋的耦合,将注意力的资源控制解释扩展到短视频环境中,该网络将积极使用与减少警觉性联系起来。在机制上,我们确定了一种右侧化的默认控制耦合,它调解了主动短视频使用和减少警报之间的联系,隔离了一个可修改的休息状态途径。这些结果为干预和平台设计提供了可操作的指标,以减轻高曝光用户的注意力成本,为教育和政策提供基于证据的指导。
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引用次数: 0
Effects of aperiodic neural activity on sleep-based emotional memory consolidation across the lifespan 非周期性神经活动对整个生命周期中基于睡眠的情绪记忆巩固的影响。
IF 2 3区 心理学 Q3 BEHAVIORAL SCIENCES Pub Date : 2025-12-15 Epub Date: 2025-09-04 DOI: 10.1016/j.neuropsychologia.2025.109270
Zachariah R. Cross , Amanda Santamaria , Scott W. Coussens , Mark J. Kohler
Sleep neurophysiology undergoes significant changes across the lifespan, which coincide with age-related differences in memory, particularly for emotional information. However, the mechanisms that underlie these effects remain poorly understood. One potential mechanism is the aperiodic component, which reflects "neural noise", differs across age, and is predictive of perceptual and cognitive processes. In this study, we investigated how intrinsic (i.e., resting-state) aperiodic neural activity modulates sleep-based emotional memory consolidation across the human lifespan. In a within-subjects, repeated measures design, forty-two participants aged 7–72 years (M = 26.60, SD = 17.45; 26 female) completed a learning and baseline recognition emotional memory task before a 2hr afternoon sleep opportunity and an equivalent period of wake. Recognition accuracy was also assessed post-delay. We found that aperiodic slopes follow a u-shaped trajectory across the lifespan: slopes flatten from childhood to young adulthood, before steepening thereafter, with this effect most prominent in frontal regions. Age-related differences in aperiodic slopes also explained interindividual differences in emotional memory consolidation, with less age-related flattening of slopes associated with stronger consolidation of negative stimuli post-sleep but not post-wake. Lastly, independent of aperiodic activity, age-related differences in NREM oscillatory activity predicted emotional memory consolidation. These findings suggest that the efficiency of sleep-based emotional memory consolidation is modulated by age-related differences in aperiodic neural and NREM oscillatory activities, providing novel insights into the neurophysiological mechanisms underpinning emotional memory across the lifespan.
睡眠神经生理学在人的一生中经历着显著的变化,这与年龄相关的记忆差异相吻合,尤其是对情绪信息的记忆。然而,这些效应背后的机制仍然知之甚少。一种潜在的机制是非周期成分,它反映了“神经噪声”,随着年龄的不同而不同,并且可以预测感知和认知过程。在这项研究中,我们研究了内在的(即静息状态)非周期神经活动如何调节人类一生中基于睡眠的情绪记忆巩固。在受试者内部重复测量设计中,42名年龄在7 - 72岁之间的参与者(M = 26.60, SD = 17.45; 26名女性)在下午2小时的睡眠机会和同等时间的清醒之前完成了学习和基线识别情绪记忆任务。延迟后还评估了识别准确性。我们发现,非周期性斜坡在整个生命周期中遵循u形轨迹:斜坡从童年到青年时期变平,之后变陡,这种影响在额叶区域最为突出。非周期性斜率的年龄相关差异也解释了情绪记忆巩固的个体间差异,与年龄相关的斜率变平程度越低,睡眠后负面刺激的巩固就越强,而醒来后则不然。最后,与非周期性活动无关,NREM振荡活动的年龄相关差异预测了情绪记忆的巩固。这些发现表明,基于睡眠的情绪记忆巩固的效率受到非周期性神经和非快速眼动期振荡活动的年龄相关差异的调节,为整个生命周期中支撑情绪记忆的神经生理机制提供了新的见解。
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引用次数: 0
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Neuropsychologia
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