Is reaching eye-centered, body-centered, hand-centered, or a combination?

Research output: Contribution to journalReview article

43 Scopus citations

Abstract

There are currently three main views on the neural basis of visually guided reaching: 1) neurons in the superior parietal lobe guide arm movements in a spatial framework that is centered on the body; 2) neurons in the intraparietal sulcus guide arm movements in a spatial framework that is centered on the eye; 3) neurons in the caudal part of premotor cortex guide arm movements in a spatial framework that is centered on the arm and hand. The three viewpoints are mutually compatible and may fit into a larger pattern. Eye-centered representations of target position, and body-centered representations of arm and hand position, may be integrated to form a hand-centered representation close to the output stage in caudal premotor and primary motor cortex.

Original languageEnglish (US)
Pages (from-to)175-185
Number of pages11
JournalReviews in the Neurosciences
Volume12
Issue number2
DOIs
StatePublished - Jan 1 2001

All Science Journal Classification (ASJC) codes

  • Neuroscience(all)

Keywords

  • Area 5
  • Oculomotor
  • Parietal
  • Posture
  • Premotor
  • Visuomotor

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