Disruption in neural phase synchrony is related to identification of inattentional deafness in real-world setting

Human Brain Mapping
Daniel E CallanFrederic Dehais

Abstract

Individuals often have reduced ability to hear alarms in real world situations (e.g., anesthesia monitoring, flying airplanes) when attention is focused on another task, sometimes with devastating consequences. This phenomenon is called inattentional deafness and usually occurs under critical high workload conditions. It is difficult to simulate the critical nature of these tasks in the laboratory. In this study, dry electroencephalography is used to investigate inattentional deafness in real flight while piloting an airplane. The pilots participating in the experiment responded to audio alarms while experiencing critical high workload situations. It was found that missed relative to detected alarms were marked by reduced stimulus evoked phase synchrony in theta and alpha frequencies (6-14 Hz) from 120 to 230 ms poststimulus onset. Correlation of alarm detection performance with intertrial coherence measures of neural phase synchrony showed different frequency and time ranges for detected and missed alarms. These results are consistent with selective attentional processes actively disrupting oscillatory coherence in sensory networks not involved with the primary task (piloting in this case) under critical high load conditions. ...Continue Reading

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Citations

Aug 14, 2019·Frontiers in Human Neuroscience·Jenny M QiuSolomon G Diamond
Oct 20, 2018·Frontiers in Human Neuroscience·Mario Villena-GonzálezVladimir López
Apr 23, 2020·Frontiers in Neuroscience·Frédéric DehaisStephen Fairclough
Jul 18, 2020·Attention, Perception & Psychophysics·Bar LambezElana Zion Golumbic

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