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Influence of visually guided tracking arm movements on single cell activity in area MT

Lookup NU author(s): Dr Alwin GieselmannORCiD


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The behavioral relevance of neuronal activity in primate area MT for motion perception and control of visually guided eye movements is well documented. The projections of area MT comprise connections to subcortical structures and to the parietal network, both of which play a role in visuospatial transformation for guiding eyes and hands. Here, we have investigated, whether area MT is involved in the network needed to control visually guided arm movements. Our results show that half of the neurons tested significantly modulated their activity during visually guided arm movements. We conclude that the main reason for the neuronal modulation is not the arm movement per se, but the use of information from MT for visual feedback in the tracking movement. Moreover, control experiments show that attentional effects cannot solely cause the neuronal modulation. Thus, our study provides strong evidence that area MT is involved in processing visual information for visually guided manual tracking movements.

Publication metadata

Author(s): Dannenberg S, Gieselmann MA, Kruse W, Hoffmann KP

Publication type: Article

Publication status: Published

Journal: Experimental Brain Research

Year: 2009

Volume: 199

Issue: 3-4

Pages: 355-368

ISSN (print): 0014-4819

ISSN (electronic): 1432-1106

Publisher: Springer


DOI: 10.1007/s00221-009-1771-z


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Funder referenceFunder name
SFP 509Deutsche Forschungsgemeinschaft