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Letters   |    
A New Proposal on How Motor Memory Is Consolidated
F. Yavari; F. Towhidkhah
The Journal of Neuropsychiatry and Clinical Neurosciences 2013;25:E03-E04. doi:10.1176/appi.neuropsych.12080201
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Amirkabir University of Technology

Biomedical Engineering Dept
Amirkabir University of Technology
Tehran, Iran

Correspondence: Dr. Yavari; e-mail: fbyavari@gmail.com

Copyright © 2013 by the American Psychiatric Association


To the Editor: There are two definitions for motor memory consolidation: 1) stabilization of long-term memory with the passage of time; and 2) off-line learning (i.e., improvement in performance after the training session).1 Computational studies suggest that acquisition of a motor skill is probably obtained through learning an internal model of the dynamics of the task in the brain. It has been proposed that there are two types of internal models: Forward Models (FMs), which enable the CNS to predict the sensory consequences of motor commands, and Inverse Models (IMs), which produce motor commands to achieve a desired state. IMs act as the movement controllers. It is not yet known for certain how and where these models are formed and stored and which neural substrates are involved in motor memory consolidation.

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