Effort, success, and nonuse determine arm choice
نویسندگان
چکیده
منابع مشابه
Effort, success, and nonuse determine arm choice.
How do humans choose one arm or the other to reach single targets in front of the body? Current theories of reward-driven decisionmaking predict that choice results from a comparison of "action values," which are the expected rewards for possible actions in a given state. In addition, current theories of motor control predict that in planning arm movements, humans minimize an expected motor cos...
متن کاملEffort , Success , and Non - use 2 Determine Arm Choice
Nicolas Schweighofer*, Yupeng Xiao*, Sujin Kim, Toshinori Yoshioka, James Gordon, 4 Rieko Osu 5 1. Biokinesiology and Physical Therapy, University of Southern California, Los Angeles, CA 6 2. Neuroscience Graduate Program, University of Southern California, Los Angeles, CA 7 3. ATR Computational Neuroscience Laboratories, Kyoto, Japan 8 9 10 *These authors contributed equally to this work. 11 1...
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BACKGROUND Arm nonuse, defined as the difference between what the individual can do when constrained to use the paretic arm and what the individual does when given a free choice to use either arm, has not yet been quantified in individuals poststroke. OBJECTIVES (1) To quantify nonuse poststroke and (2) to develop and test a novel, simple, objective, reliable, and valid instrument, the Bilate...
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In our model risk-neutral shareholders need to motivate a manager to select among projects with different risks, and to work hard in implementing the chosen project. Curvature of the manager’s compensation contract as a function of profit affects his attitude toward project risk. The optimal curvature depends on the trade-off between controlling project risk and motivating effort. The analysis ...
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ژورنال
عنوان ژورنال: Journal of Neurophysiology
سال: 2015
ISSN: 0022-3077,1522-1598
DOI: 10.1152/jn.00593.2014