Enhancing anger perception with transcranial alternating current stimulation induced gamma oscillations

Janik , Agnieszka B., Rezlescu, Constantin, and Banissy, Michael J. (2015) Enhancing anger perception with transcranial alternating current stimulation induced gamma oscillations. Brain Stimulation, 8 (6). pp. 1138-1143.

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Background: In recent years a variety of neuroimaging studies have highlighted a role of neural oscillations in perception and cognition. However, surprisingly little is known about oscillatory activity underlying facial emotion perception. The limited number of studies that have addressed this question indicate that gamma oscillations are one mechanism underlying this process.

Objective: The present study aimed to further elucidate the role of neural oscillations within the gamma range in facial emotion perception in healthy adults by using transcranial alternating current stimulation (tACS).

Methods: To that effect we carried out three experiments with separate groups of participants using tACS to modulate occipital oscillations while participants completed facial anger and facial identity tasks.

Results: The results of these experiments indicated that modulating occipital gamma with 40 Hz tACS enhances facial anger perception.

Conclusion: This finding implicates an important role of occipital gamma oscillations in facial emotion perception.

Item ID: 43030
Item Type: Article (Research - C1)
ISSN: 1876-4754
Keywords: transcranial alternating current stimulation; tACS; emotion perception; neural oscillations; gamma
Date Deposited: 23 Aug 2016 00:06
FoR Codes: 17 PSYCHOLOGY AND COGNITIVE SCIENCES > 1701 Psychology > 170112 Sensory Processes, Perception and Performance @ 50%
17 PSYCHOLOGY AND COGNITIVE SCIENCES > 1702 Cognitive Science > 170205 Neurocognitive Patterns and Neural Networks @ 50%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970117 Expanding Knowledge in Psychology and Cognitive Sciences @ 100%
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