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Understanding motor events: a neurophysiological study

Understanding motor events: a neurophysiological study 221 91 91 1 1 G. di Pellegrino L. Fadiga L. Fogassi V. Gallese G. Rizzolatti Istituto di Fisiologia Umana Universita' di Parma Via Gramsci 14 I-43100 Parma Italy Summary Neurons of the rostral part of inferior premotor cortex of the monkey discharge during goal-directed hand movements such as grasping, holding, and tearing. We report here that many of these neurons become active also when the monkey observes specific, meaningful hand movements performed by the experimenters. The effective experimenters' movements include among others placing or retrieving a piece of food from a table, grasping food from another experimenter's hand, and manipulating objects. There is always a clear link between the effective observed movement and that executed by the monkey and, often, only movements of the experimenter identical to those controlled by a given neuron are able to activate it. These findings indicate that premotor neurons can retrieve movements not only on the basis of stimulus characteristics, as previously described, but also on the basis of the meaning of the observed actions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experimental Brain Research Springer Journals

Understanding motor events: a neurophysiological study

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References (24)

Publisher
Springer Journals
Copyright
Copyright © 1992 by Springer-Verlag
Subject
Biomedicine; Neurosciences; Neurology
ISSN
0014-4819
eISSN
1432-1106
DOI
10.1007/BF00230027
Publisher site
See Article on Publisher Site

Abstract

221 91 91 1 1 G. di Pellegrino L. Fadiga L. Fogassi V. Gallese G. Rizzolatti Istituto di Fisiologia Umana Universita' di Parma Via Gramsci 14 I-43100 Parma Italy Summary Neurons of the rostral part of inferior premotor cortex of the monkey discharge during goal-directed hand movements such as grasping, holding, and tearing. We report here that many of these neurons become active also when the monkey observes specific, meaningful hand movements performed by the experimenters. The effective experimenters' movements include among others placing or retrieving a piece of food from a table, grasping food from another experimenter's hand, and manipulating objects. There is always a clear link between the effective observed movement and that executed by the monkey and, often, only movements of the experimenter identical to those controlled by a given neuron are able to activate it. These findings indicate that premotor neurons can retrieve movements not only on the basis of stimulus characteristics, as previously described, but also on the basis of the meaning of the observed actions.

Journal

Experimental Brain Research – Springer Journals

Published: Oct 1, 1992

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