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Response modulations by static texture surround in area V1 of the Macaque Monkey do not depend on feedback connections from V2

Hupe, Jean Michel; James, Andrew; Girard, Pascal; Bullier, Jean Henri

Description

We analyzed the extracellular responses of 70 V1 neurons (recorded in 3 anesthetized macaque monkeys) to a single oriented line segment (or bar) placed within the cell classical receptive field (RF), or center of the RF. These responses could be modulated when rings of bars were placed entirely outside, but around the RF (the "near" surround region), as described in previous studies. Suppression was the main effect. The response was enhanced for 12 neurons when orthogonal bars in the surround...[Show more]

CollectionsANU Research Publications
Date published: 2001
Type: Journal article
URI: http://hdl.handle.net/1885/65266
Source: Journal of Neurophysiology

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