Predictions on Neocortical Dynamics Derived from Studies in Paleocortex

  • Walter J. Freeman
Part of the Brain Dynamics book series (BD)

Abstract

Studies for more than six decades of oscillations in the ranges of theta (3–7 Hz), alpha (8–12 Hz), and beta (13–25 Hz) activity have created an immense data base but have given little understanding of their neurogenesis. In contrast, the neurodynamics of gamma activity (25–90 Hz) is better understood, but measurements in neocortex have been relatively few. This has been due partly to its contamination by nonneural potentials, especially by electrode noise and by electromyographic (EMG) potentials from the scalp muscles during noninvasive recordings from humans, and partly to its characteristics of broad spectrum, aperiodicity, and low amplitude.

Keywords

Olfactory Bulb Olfactory System Inhibitory Neuron Excitatory Neuron Gamma Activity 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1992

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  • Walter J. Freeman

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