Pattern-motion responses in human visual cortex

A. C. Huk, D. J. Heeger

Research output: Contribution to journalArticlepeer-review

Abstract

Physiological models of visual motion processing posit that 'pattern-motion cells' represent the direction of moving objects independent of their particular spatial pattern. We performed fMRI experiments to identify neuronal activity in the human brain selective for pattern motion. A protocol using adaptation to moving 'plaid' stimuli allowed us to separate pattern-motion responses from other types of motion-related activity within the same brain structures, and revealed strong pattern-motion selectivity in human visual area MT+. Reducing the perceptual coherence of the plaids yielded a corresponding decrease in pattern-motion responsivity, providing evidence that percepts of coherent motion are closely linked to the activity of pattern-motion cells in human MT+.

Original languageEnglish (US)
Pages (from-to)72-75
Number of pages4
JournalNature Neuroscience
Volume5
Issue number1
DOIs
StatePublished - Jan 2002

ASJC Scopus subject areas

  • Neuroscience(all)

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