Author(s): Herrmann CS, Frnd I, Lenz D
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Abstract Gamma-band oscillations (roughly 30-100 Hz) in human and animal EEG have received considerable attention in the past due to their correlations with cognitive processes. Here, we want to sketch how some of the higher cognitive functions can be explained by memory processes which are known to modulate gamma activity. Especially, the function of binding together the multiple features of a perceived object requires a comparison with contents stored in memory. In addition, we review recent findings about the actual behavioral relevance of human gamma-band activity. Interestingly, rather simple models of spiking neurons are not only able to generate oscillatory activity within the gamma-band range, but even show modulations of these oscillations in line with findings from human experiments. Copyright (c) 2009 Elsevier Ltd. All rights reserved.
This article was published in Neurosci Biobehav Rev
and referenced in Journal of Addiction Research & Therapy