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JOURNALOF NEUROPHYSIOLOGY Vol. 75, No. 3, March 1996. Printed in U.S.A.
 

Summary: JOURNALOF NEUROPHYSIOLOGY
Vol. 75, No. 3, March 1996. Printed in U.S.A.
Spatially Tuned Auditory Responses in Area LIP of Macaques
Performing Delayed Memory Saccades to Acoustic Targets
PIETRO MAZZONI, R. MARTYN BRACEWELL, SHABTAI BARASH, AND RICHARD A. ANDERSEN
Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
SUMMARY AND CONCLUSIONS
I. The lateral intraparietal area (area LIP) of the macaque's
posterior parietal cortex (PPC) lies in the dorsal stream of extrastri-
ate visual areas. It receives extensive visual inputs and sends out-
puts to several eye movement centers. It contains neurons with
visual and saccade-related responses suggesting a role of area LIP
in programming saccadic eye movements to visual targets. Because
primates can also orient to nonvisual stimuli, we investigated
whether LIP neurons process stimuli of other modalities besides
the visual one by comparing their activity in auditory and visual
saccade tasks.
2. We recorded the activity of single neurons of Macaca mdatta
monkeys while they performed memory saccades to acoustic and
visual targets. We analyzed the activity during stimulus presenta-

  

Source: Andersen, Richard - Division of Biology, California Institute of Technology

 

Collections: Biology and Medicine