Gamma response of the brain: a multifunctional oscillation that represents bottom-up with top-down processing.
paper
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- Authors
- KarakaΕ, S; BaΕar-Eroglu, C; Ozesmi, C; Kafadar, H; Erzengin, O U
- Year
- 2001
- Journal
- International journal of psychophysiology : official journal of the International Organization of Psychophysiology
- PMID
- 11163893
- DOI
- 10.1016/s0167-8760(00)00137-9
This paper deals with the functional correlates of the gamma response of the brain. A critical review of the literature findings reveals the existence of two types of gamma responses: an early gamma that fulfills sensory functions and a late gamma that fulfills perceptual-cognitive functions. However, even the early gamma shows individual differences. Such a finding points to the existence of top-down influences on sensory processes and to a parallel-processing model for brain function.
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