Steering transforms the cortical representation of self-movement from direction to destination

Michael S. Jacob, Charles J. Duffy

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Steering demands rapid responses to heading deviations and uses optic flow to redirect self-movement toward the intended destination. We trained monkeys in a naturalistic steering paradigm and recorded dorsal medial superior temporal area (MSTd) cortical neuronal responses to the visual motion and spatial location cues in optic flow. We found that neuronal responses to the initial heading direction are dominated by the optic flow’s global radial pattern cue. Responses to subsequently imposed heading deviations are dominated by the local direction of motion cue. Finally, as the monkey steers its heading back to the goal location, responses are dominated by the spatial location cue, the screen location of the flow field’s center of motion. We conclude that MSTd responses are not rigidly linked to specific stimuli, but rather are transformed by the task relevance of cues that guide performance in learned, naturalistic behaviors.

Original languageEnglish (US)
Pages (from-to)16055-16063
Number of pages9
JournalJournal of Neuroscience
Volume35
Issue number49
DOIs
StatePublished - Dec 9 2015

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Cues
Optic Flow
Haplorhini
Direction compound

All Science Journal Classification (ASJC) codes

  • Neuroscience(all)

Cite this

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Steering transforms the cortical representation of self-movement from direction to destination. / Jacob, Michael S.; Duffy, Charles J.

In: Journal of Neuroscience, Vol. 35, No. 49, 09.12.2015, p. 16055-16063.

Research output: Contribution to journalArticle

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