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Cognitive mechanisms associated with auditory sensory gating.

Jones, L.A., Hills, P.J., Dick, K.M., Jones, S.P. and Bright, P., 2015. Cognitive mechanisms associated with auditory sensory gating. Brain and Cognition, 102, 33 - 45 .

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DOI: 10.1016/j.bandc.2015.12.005


Sensory gating is a neurophysiological measure of inhibition that is characterised by a reduction in the P50 event-related potential to a repeated identical stimulus. The objective of this work was to determine the cognitive mechanisms that relate to the neurological phenomenon of auditory sensory gating. Sixty participants underwent a battery of 10 cognitive tasks, including qualitatively different measures of attentional inhibition, working memory, and fluid intelligence. Participants additionally completed a paired-stimulus paradigm as a measure of auditory sensory gating. A correlational analysis revealed that several tasks correlated significantly with sensory gating. However once fluid intelligence and working memory were accounted for, only a measure of latent inhibition and accuracy scores on the continuous performance task showed significant sensitivity to sensory gating. We conclude that sensory gating reflects the identification of goal-irrelevant information at the encoding (input) stage and the subsequent ability to selectively attend to goal-relevant information based on that previous identification.

Item Type:Article
Uncontrolled Keywords:Sensory gating; inhibition; electroencephalogram; event-related potential (ERP) P50
Group:Faculty of Science & Technology
ID Code:23209
Deposited By: Symplectic RT2
Deposited On:03 Mar 2016 14:06
Last Modified:14 Mar 2022 13:55


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