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Lagged cells in alert monkey lateral geniculate nucleus

Published online by Cambridge University Press:  01 September 2008

ALAN B. SAUL*
Affiliation:
Department of Ophthalmology, Medical College of Georgia, Augusta, Georgia
*
*Address correspondence and reprint requests to: Alan B. Saul, Department of Ophthalmology, Medical College of Georgia, Augusta, GA 30912. E-mail: asaul@mcg.edu

Abstract

Five lagged cells were recognized by extracellular recording in the lateral geniculate nucleus of an awake, behaving macaque monkey. Previous reports of lagged cells were all in the anesthetized cat. Both parvocellular and magnocellular lagged cells were observed. Response timing was distributed continuously across the population, and both sustained and transient responses were seen in the magnocellular subpopulation. Cortex thus receives signals with a wide range of timing, which can mediate direction selectivity across multiple dimensions.

Information

Type
Research Articles
Copyright
Copyright © Cambridge University Press 2008

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