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. Author manuscript; available in PMC: 2013 Dec 18.
Published in final edited form as: Curr Biol. 2012 Nov 15;22(24):2313–2318. doi: 10.1016/j.cub.2012.10.020

Figure 1. Overview of the type of data we acquired.

Figure 1

(A) Continuous electrophysiological activity was simultaneously recorded from all layers of primary visual cortex using a 24-contact laminar probe in two monkeys. (B) Example of the recorded voltage traces. The example traces shows more prominent gamma activity in the superficial layers, and a transient segment of alpha activity in the deep layers (about 9 cycles). (C) The power spectrum of bipolar data in infragranular layers. Note the local peak at in the alpha band, indicated by the arrow.