International Journal of Psychophysiology最新文献

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Influence of transcutaneous electrical stimulation on marksmanship, cognition, and the healthy stress response

IF 2.5 3区心理学 Q3 NEUROSCIENCES

International Journal of Psychophysiology

Pub Date : 2025-02-27 DOI: 10.1016/j.ijpsycho.2025.112540

Caitlin Ridgewell , Cara Sczuroski , Donna J. Merullo , Emily Lange , Audrey Hildebrandt , Nicole Ekon , William H. Neumeier , Carl D. Smith , Kristin J. Heaton

Transcutaneous electrical stimulation of the trigeminal and cervical nerves (TEN) has been proposed as a safe, noninvasive method of reducing stress. However, its effects on human performance and stress physiology have yet to be explored. This study explored the effects of TEN on physiological responses to stress and cognitive performance using both laboratory-standard tests of executive function and attention and a complex marksmanship task requiring sustained discrimination of friend or foe targets. Thirty healthy male and female participants completed two, single-blinded experimental sessions in which TEN or sham (order counterbalanced, n = 15 each group) was administered for 20 min prior to marksmanship and cognitive assessment. Heart rate variability was monitored continuously via electrocardiography and photoplethysmography while salivary markers of stress (cortisol, α-amylase) were collected at regular intervals. Linear mixed model analyses with standardized regression coefficients (β_stan) and 95 % confidence intervals (CI) indicated no effects of stimulation condition (TEN versus sham) on marksmanship performance, cognition, salivary cortisol, or α-amylase. However, significant effects of stimulation condition were observed on heart rate variability, including increased photoplethysmography mean heart rate (β_stan = −0.42 (95 % CI -0.69 - -0.14), p = 0.04) and decreased very low frequency power (β_stan = 1.51 (95 % CI 0.53–2.49), p = 0.04) during marksmanship and increased electrocardiography high-frequency power at rest (β_stan = −0.63 (95 % CI -1.06 - -0.21), p = 0.05). These results suggest that TEN may modulate the stress response via paradoxical effects on both sympathetic and parasympathetic nervous system activity.

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引用次数: 0

No aftereffect of transcranial alternating current stimulation (tACS) on theta activity during an inter-sensory selective attention task

IF 2.5 3区心理学 Q3 NEUROSCIENCES

International Journal of Psychophysiology

Pub Date : 2025-02-24 DOI: 10.1016/j.ijpsycho.2025.112539

Audrey Murray , Isabelle Soulières , Dave Saint-Amour

Background

Selective attention is essential to filter the constant flow of sensory information reaching the brain. The contribution of theta neuronal oscillations to attentional function has been the subject of several electrophysiological studies, yet no causal relationship has been established between theta rhythms and selective attention mechanisms.

Objective and hypotheses

We aimed to clarify the causal role of theta oscillations in inter-sensory selective attention processes by combining transcranial alternating current stimulation (tACS) and electrophysiology (EEG) techniques. We hypothesized that modulation of theta activity by tACS enhances selective attention, with greater behavioral efficiency and theta power over fronto-central regions after theta-tACS compared to control conditions.

Methods

In a double-blinded within-subject study conducted in young adults (n = 20), three stimulation conditions were applied prior to a cued inter-sensory (auditory and visual) selective attention task. The frequency of theta stimulation was individualized to match the endogenous theta peak of each participant. In addition to a sham condition, stimulation at an off-target frequency (20 Hz) was also applied. We analyzed behavioral efficiency and variability measures and performed spectral and time-frequency power analyses.

Results

No statistically significant differences in task performance or theta EEG activity were found between theta-tACS and control-tACS conditions (ps > 0.05).

Conclusions

The results of our study suggest that theta-tACS did not modulate performance or offline oscillations in the context of inter-sensory attention. These findings challenge the design of tACS protocols for future studies aiming to understand the contribution of theta oscillations in attentional processes.

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引用次数: 0

International Organization of Psychophysiology

IF 2.5 3区心理学 Q3 NEUROSCIENCES

International Journal of Psychophysiology

Pub Date : 2025-02-17 DOI: 10.1016/S0167-8760(25)00026-1

引用次数: 0

‘Wired up about self’ - narcissistic traits predict elevated physiological arousal during self-disclosure in conversation

IF 2.5 3区心理学 Q3 NEUROSCIENCES

International Journal of Psychophysiology

Pub Date : 2025-02-11 DOI: 10.1016/j.ijpsycho.2025.112527

E. Koskinen , P. Henttonen , V. Harjunen , E. Krusemark , J. Salmi , J. Tuominen , M. Wuolio , A. Peräkylä

Individuals vary in their self-disclosure motivations and physiological responses. It is unclear, however, whether the content of a person's self-view accounts for this variation. In this paper we explore the impact of self-disclosure on autonomic nervous system activity in participants with high and low levels of grandiose narcissistic traits. Three conversational experiments were conducted to simulate different contexts of self-disclosure: getting acquainted (Experiment 1), talking about emotional life experiences (Experiment 2), and telling emotional stories with varying self-relevance (Experiment 3). The experiments were conducted on the same sample of 22 dyads (n = 44) measured in a single session. While Experiment 1 did not confirm the anticipated heightened sympathetic arousal in participants with high grandiose narcissism (N+), Experiment 2, focusing on telling about positive and negative life experiences, supported the hypothesis of increased skin conductance among the N+ individuals. Experiment 3, with more specific topics that varied in self-relevance, further supported the notion that narcissism is associated with elevated physiological arousal during self-disclosure. Notably, the skin conductance of the N+ individuals was particularly heightened when telling about being admired by others. Exploratory analyses showed that tellers' (whether N+ or N-) skin conductance was even more pronounced when they were discussing with an N+ co-participant.

{"title":"‘Wired up about self’ - narcissistic traits predict elevated physiological arousal during self-disclosure in conversation","authors":"E. Koskinen , P. Henttonen , V. Harjunen , E. Krusemark , J. Salmi , J. Tuominen , M. Wuolio , A. Peräkylä","doi":"10.1016/j.ijpsycho.2025.112527","DOIUrl":"10.1016/j.ijpsycho.2025.112527","url":null,"abstract":"<div><div>Individuals vary in their self-disclosure motivations and physiological responses. It is unclear, however, whether the content of a person's self-view accounts for this variation. In this paper we explore the impact of self-disclosure on autonomic nervous system activity in participants with high and low levels of grandiose narcissistic traits. Three conversational experiments were conducted to simulate different contexts of self-disclosure: getting acquainted (Experiment 1), talking about emotional life experiences (Experiment 2), and telling emotional stories with varying self-relevance (Experiment 3). The experiments were conducted on the same sample of 22 dyads (<em>n</em> = 44) measured in a single session. While Experiment 1 did not confirm the anticipated heightened sympathetic arousal in participants with high grandiose narcissism (N+), Experiment 2, focusing on telling about positive and negative life experiences, supported the hypothesis of increased skin conductance among the N+ individuals. Experiment 3, with more specific topics that varied in self-relevance, further supported the notion that narcissism is associated with elevated physiological arousal during self-disclosure. Notably, the skin conductance of the N+ individuals was particularly heightened when telling about being admired by others. Exploratory analyses showed that tellers' (whether N+ or N-) skin conductance was even more pronounced when they were discussing with an N+ co-participant.</div></div>","PeriodicalId":54945,"journal":{"name":"International Journal of Psychophysiology","volume":"210 ","pages":"Article 112527"},"PeriodicalIF":2.5,"publicationDate":"2025-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143416299","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

States, traits, and the resting state EEG task aftereffect

IF 2.5 3区心理学 Q3 NEUROSCIENCES

International Journal of Psychophysiology

Pub Date : 2025-02-09 DOI: 10.1016/j.ijpsycho.2025.112523

Tim Martin , Erica Holliday , Cyril Okhio , Alexis Newman , Lamar LaTella , Makayla Mcginnis , Rok Požar , Bruno Giordani , Voyko Kavcic

Background

Historically, resting state electroencephalogram (rsEEG) measures have been considered indices of stable traits. However, recent research has indicated that rsEEG measures change after an individual has performed a task. These task aftereffects raise several questions regarding the task parameters needed to facilitate task aftereffects. This study aimed to set a foundation to answer these questions by creating a baseline of rsEEG changes observed within a healthy college aged sample before and after a classic cognitive task.

Methods

The sample consisted of 34 undergraduate students. rsEEG data were recorded in alternating states of eyes open and closed before and after a standard oddball paradigm task.

Results

Results indicated that timepoint (e.g. before and after study) had no significant effect or interaction with eye status when measuring peak alpha amplitude and frequency. When analyzing classic frequency bands, there was an interaction between eye status and timepoint for delta at electrode Fz, but no main effect of timepoint. This was the only interaction within the classic frequency bands. Frontal alpha and beta asymmetries shifted rightwards after the task, but had fair to poor reliability. Theta/beta ratio was significantly higher after the task.

Conclusions

Theta/beta ratio was the only measure that met criteria for both a good experimental dependent variable and stable individual difference variable due to its high reliability. To our knowledge this is the first time these common rsEEG variables have been simultaneously assessed for consistent within-subject effects and reliable between-subject differences.

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引用次数: 0

Exploring the impact of gentle stroking touch on psychophysiological regulation of inhibitory control

IF 2.5 3区心理学 Q3 NEUROSCIENCES

International Journal of Psychophysiology

Pub Date : 2025-02-09 DOI: 10.1016/j.ijpsycho.2025.112525

Loredana Frau , Davide Bruno , Francis McGlone , Valentina Cazzato

Touch has been shown to regulate emotions, stress responses, and physical pain. However, its impact on cognitive functions, such as inhibitory control, remains relatively understudied. In this experiment, we explored the effects of low-force, slow-moving touch—designed to optimally activate unmyelinated cutaneous low-threshold mechanoreceptor C-tactile (CT) afferents in human hairy skin—on inhibitory control and its psychophysiological correlates using the Stroop Task, a classic paradigm commonly employed to assess inhibitory control capacity. The Stroop Task was repeated twice before and once after receiving either gentle touch or no-touch. Participants were assigned to two groups: the touch group (n = 36), which received low-force, slow-moving touch on their forearms at a stroking velocity of ~3 cm/s, and the no-touch group (n = 36), which did not receive any touch stimulation. Changes in autonomic nervous system activity were also assessed by measuring heart rate variability (HRV) and skin conductance levels before and during cognitive performance. Compared to the no-touch group, participants who received gentle, low-force, slow-moving touch demonstrated faster responses and higher HRV during the Stroop Task. Additionally, within the touch group, individuals with higher HRV exhibited even quicker performance on the cognitive task. While we cannot draw definitive conclusions regarding the CT velocity-specific effect, these results provide preliminary evidence that low-force, slow-moving touch may influence cognitive processes involved in the inhibitory control of goal-irrelevant stimuli.

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引用次数: 0

Insufficiently active individuals' electrocortical and self-reported responses to images of exercise of different types and settings

IF 2.5 3区心理学 Q3 NEUROSCIENCES

International Journal of Psychophysiology

Pub Date : 2025-02-07 DOI: 10.1016/j.ijpsycho.2025.112526

Juliana O. Parma , Victoria Zona , Mariane F.B. Bacelar , Matthew W. Miller

Most people are insufficiently physically active, and their automatic affective valuations of exercise may be a culprit. Physical activity campaigns use exercise images to encourage physical activity, but whether some types of images elicit more positive automatic affective valuations is unclear. Our study investigated whether the type (sport vs. gym) and setting (indoors vs. outdoors) of exercise images influence insufficiently active individuals' automatic affective valuations of them. Specifically, we recorded electroencephalography from insufficiently active participants while they completed an oddball task wherein exercise images of different settings and types were embedded among positive, neutral, and negative non-exercise images. We extracted the P3b event-related potential component elicited by the exercise images to measure automatic affective valuations of the images. We also recorded participants' self-reported evaluations of the images to measure explicit affective responses. The results of a mixed-effects model indicated that P3b amplitude was larger for outdoors and gym exercise images than indoors and sport exercise images, respectively, but these effects did not depend on whether the images were embedded among positive, neutral, or negative non-exercise images. This suggests the setting and type of exercise images influenced the degree to which they were cognitively processed but not their automatic affective valuation. We also found exercise images were explicitly perceived as neutral-to-positive and their setting and type did not affect this explicit affective evaluation. In summary, for insufficiently active individuals, the setting and type of exercise images were found to influence their cognitive processing but not their automatic or explicit affective evaluation.

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引用次数: 0

Exploring the relationship between sleep patterns, alcohol and other substances consumption in young adults: Insights from wearables and Mobile surveys in the National Consortium on alcohol and NeuroDevelopment in adolescence (NCANDA) cohort

IF 2.5 3区心理学 Q3 NEUROSCIENCES

International Journal of Psychophysiology

Pub Date : 2025-02-04 DOI: 10.1016/j.ijpsycho.2025.112524

Oreste De Rosa , Luca Menghini , Erin Kerr , Eva Müller-Oehring , Kate Nooner , Brant P. Hasler , Peter L. Franzen , Duncan B. Clark , Sandra Brown , Susan F. Tapert , Kevin Cummins , Fiona C. Baker , Massimiliano de Zambotti

Introduction

The use of psychotropic substances has negative short- and long-term health outcomes, including complex direct and indirect effects on sleep and sleep-cardiovascular function. Here, we investigate daily relationships between self-reported substance use and objective measures of sleep and sleep-related heart rate (HR) in community-dwelling young adults.

Methods

Fifty-five healthy young adults (M^age = 23.1 ± 2.29 y, 30 female) in the National Consortium on Alcohol and Neurodevelopment in Adolescence (NCANDA) study completed a 28-day ecological momentary assessment protocol, including remote sleep and HR measurements via Fitbit devices, as well as daily app-based self-reports of alcohol and other substance use.

Results

A total of 1459 days of data were collected. Caffeine was the most frequent substance used, followed by alcohol, cannabis, nicotine, and other drugs. The analysis showed that substance use was associated with delays in sleep start and end time, reduced sleep duration and efficiency, and increased wake after sleep onset. Increases in sleep heart rate were associated with prior-day alcohol use.

Discussion

Substance use negatively influences sleep and sleep HR. These preliminary data highlight the potential value of using remote multimodal data collection to investigate the daily relationships between substance use and sleep in young adults, in an ecological setting.

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引用次数: 0

International Organization of Psychophysiology

IF 2.5 3区心理学 Q3 NEUROSCIENCES

International Journal of Psychophysiology

Pub Date : 2025-02-01 DOI: 10.1016/S0167-8760(25)00006-6

引用次数: 0

N1 facilitation at short Inter-Stimulus-Interval (ISI) occurs under 400 ms and is dependent on ISI from previous sounds: Evidence using an unpredictable auditory stimulation sequence 短刺激间隔（ISI）的N1促进发生在400 ms以下，并依赖于先前声音的ISI：使用不可预测的听觉刺激序列的证据。

IF 2.5 3区心理学 Q3 NEUROSCIENCES

International Journal of Psychophysiology

Pub Date : 2025-02-01 DOI: 10.1016/j.ijpsycho.2024.112495

F. López-Caballero , B.A. Coffman , D. Seebold , T. Teichert , D.F. Salisbury

The N1 auditory evoked potential amplitude depends heavily on the inter-stimulus interval (ISI). Typically, shorter ISIs result in reduced N1 amplitudes, suggesting a decreased neural response with high stimulus presentation rates. However, an exception known as N1 facilitation occurs with very brief ISIs (∼150-500 ms), where the N1 amplitude increases. This study aimed to further characterize N1 facilitation using an experimental paradigm with a continuous distribution of ISIs (0.25 to 8 s) to identify the specific ISI where N1 facilitation occurs. We also examined the role of ISI history in N1 facilitation and explored correlations between N1 facilitation, overall N1 amplitude and ISI-sensitivity, and results of cognitive tasks. Twenty-nine participants passively listened to a random sequence of auditory clicks at varying intensities (65, 75, or 85 dB) and ISI ranges (0.25–0.5 s, 0.5–1 s, 1–2 s, 2–4 s, 4–8 s) while EEG was recorded. Up to 1800 sweeps were collected in the critical ISI range (0.25 to 0.5 s) where N1 facilitation is expected. Results support N1 facilitation occurring at ISIs under 400 ms (p = 0.03), where N1 amplitudes returned to values seen at longer ISIs (∼1.7 s). Notably, this effect was observed when the ISI two clicks before was shorter than 1.5 s (p = 0.001), but not otherwise (p = 0.37). These findings clarify the temporal dynamics of N1 facilitation and challenge the notion of a rigid, context-independent latent inhibition process explaining this phenomenon.

N1听觉诱发电位振幅在很大程度上取决于刺激间间隔（ISI）。通常，较短的ISIs导致N1振幅降低，表明高刺激呈现率的神经反应降低。然而，在非常短暂的ISIs（~150-500 ms）中会出现一种称为N1促进的例外，此时N1振幅会增加。本研究旨在利用ISIs连续分布（0.25至8 s）的实验范式进一步表征N1促进作用，以确定发生N1促进作用的特定ISI。我们还研究了ISI历史在N1促进中的作用，并探讨了N1促进、总体N1振幅和ISI敏感性以及认知任务结果之间的相关性。29名参与者被动地听取不同强度（65、75或85 dB）和ISI范围（0.25-0.5 s, 0.5-1 s, 1-2 s, 2-4 s, 4-8 s）的随机听觉点击序列，同时记录EEG。在关键ISI范围（0.25至0.5 s）收集了多达1800次扫描，预计N1促进。结果支持在400 ms （p = 0.03）下ISIs发生N1促进，其中N1振幅恢复到更长ISIs（~1.7 s）时的值。值得注意的是，当ISI前两次点击小于1.5 s （p = 0.001）时观察到这种效果，而不是其他（p = 0.37）。这些发现澄清了N1促进的时间动态，并挑战了解释这一现象的刚性，情境无关的潜在抑制过程的概念。

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