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Multiple gamma oscillations in the brain: A new strategy to differentiate functional correlates and P300 dynamics

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Author
Başar, Erol
Tülay, Elif
Güntekin, Bahar
Type
Article
Date
2015-03
Language
en_US
Metadata
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Abstract
Brain oscillations in the gamma frequency band, - i.e. oscillations greater than 25 Hz - have attracted increasing attention over the last few decades in the research of sensory-cognitive processes. In the neuroscience research literature, a great number of reports aim to describe the functional correlates of oscillatory responses in the gamma frequency window. However, analysis using a broadband frequency window often leads to divergent functional interpretations and controversies. In order to provide a more exact approach, we have used a strategy by defining multiple frequency and multiple time windows according to the combined analysis of conventional power spectral windows, frequency adaptive multiple filters, and inter-trial coherence. The analysis in frequency windows of 25-30 Hz, 30-35 Hz, and 4048 Hz enables the investigator to provide a distinction of cognitive and/or sensory responses. Moreover, according to topological differentiation and the consideration of neuroanatomic pathways, more reliable interpretations of gamma responses are reached. (C) 2015 The Authors. Published by Elsevier B.V.
Subject
EEG
Event related oscillations
Gamma
P300
ITC
ERSP
Cognitive-processes
Band responses
Attention
Stimulation
Cortex
Memory
URI
https://doi.org/10.1016/j.ijpsycho.2015.01.013
https://hdl.handle.net/11413/2089
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  • Makaleler / Articles [147]
  • Pubmed Publications [149]
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  • WoS Publications [1016]

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İstanbul Kültür University

Hakkında |Politika | Kütüphane | İletişim | Send Feedback | Admin

Istanbul Kültür University, Ataköy Campus E5 Karayolu Üzeri Bakırköy 34158, İstanbul / TURKEY
Copyright © İstanbul Kültür University

Creative Commons Lisansı
IKU Institutional Repository, Creative Commons Alıntı-GayriTicari-Türetilemez 4.0 Uluslararası Lisansı ile lisanslanmıştır.

Designed by  UNIREPOS