ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2023
Neural α Oscillations and Pupil Size Differentially Index Cognitive Demand under Competing Audiovisual Task Conditions.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Inferring Hidden Attentional States in Driving: A Bayesian Approach to Modeling Distraction and Secondary Task Engagement.Human factors · 2026Article
- α -tACS Modulates Reward-Dependent Pupil Responses and Corticostriatal Connectivity.bioRxiv : the preprint server for biology · 2026Article
- Brain-Pupil Coupling Revealed Through Deep Learning of Intracranial Recordings.Human brain mapping · 2025Article
- Visual Speech Reduces Cognitive Effort as Measured by EEG Theta Power and Pupil Dilation.eNeuro · 2025Article
- Neural Correlates of Burnout Syndrome Based on Electroencephalography (EEG)-A Mechanistic Review and Discussion of Burnout Syndrome Cognitive Bias Theory.Journal of clinical medicine · 2025Review
- Pupil responds spontaneously to visuospatial regularity.Journal of vision · 2025Article
- Frontotemporal network contribution to occluded face processing.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Neurophysiology of Effortful Listening: Decoupling Motivational Modulation from Task Demands.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024Article
- Article
- Eye Movements Decrease during Effortful Speech Listening.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2023Article
- Acoustically Transparent Hearing Aids Increase Physiological Markers of Listening Effort.Trends in hearingArticle
- Capturing the multimodal dynamics of acute stress responses: Evidence from the Montreal Imaging Stress Task (MIST).International journal of clinical and health psychology : IJCHPArticle
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4 authors.
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Abstract
Cognitive demand is thought to modulate two often used, but rarely combined, measures: pupil size and neural α (8-12 Hz) oscillatory power. However, it is unclear whether these two measures capture cognitive demand in a similar way under complex audiovisual-task conditions. Here we recorded pupil size and neural α power (using electroencephalography), while human participants of both sexes concurrently performed a visual multiple object-tracking task and an auditory gap detection task. Difficulties of the two tasks were manipulated independent of each other. Participants' performance decreased in accuracy and speed with increasing cognitive demand. Pupil size increased with increasing difficulty for both the auditory and the visual task. In contrast, α power showed diverging neural dynamics: parietal α power decreased with increasing difficulty in the visual task, but not with increasing difficulty in the auditory task. Furthermore, independent of task difficulty, within-participant trial-by-trial fluctuations in pupil size were negatively correlated with α power. Difficulty-induced changes in pupil size and α power, however, did not correlate, which is consistent with their different cognitive-demand sensitivities. Overall, the current study demonstrates that the dynamics of the neurophysiological indices of cognitive demand and associated effort are multifaceted and potentially modality-dependent under complex audiovisual-task conditions.
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