Multiple pathways for processing visual space

Michael S.A. Graziano, Charles G. Gross

Research output: Contribution to journalArticle

31 Scopus citations

Abstract

In the macaque, neurons in ventral premotor cortex and in the putamen have tactile receptive fields on the face or arms, and corresponding visual receptive fields that extend outward from the tactile fields into the space near the body. For cells with tactile receptive fields on the arm, when the arm is moved, the corresponding visual receptive fields move with it. However, when the eyes move, the visual receptive fields remain stationary, "attached" to the arm. We suggest that these "arm-centered" visual responses play a role in visuomotor guidance. We predict that other portions of the somatotopic map in premotor cortex and in the putamen contain similar receptive fields, centered on the corresponding body parts. This "body-part-centered" representation of space is only one of several ways in which space is represented in the brain.

Original languageEnglish (US)
Pages (from-to)178-207
Number of pages30
JournalAttention and Performance
Volume16
StatePublished - Dec 1 1996

All Science Journal Classification (ASJC) codes

  • Neuropsychology and Physiological Psychology
  • Experimental and Cognitive Psychology

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