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Tytuł pozycji:

Learning and recall of incremental kinematic and dynamic sensorimotor transformations.

Tytuł :
Learning and recall of incremental kinematic and dynamic sensorimotor transformations.
Autorzy :
Klassen J; Department of Psychology and Centre for Neuroscience Studies, Queen's University, Kingston, Ontario, K7L 3N6, Canada.
Tong C
Flanagan JR
Pokaż więcej
Źródło :
Experimental brain research [Exp Brain Res] 2005 Jul; Vol. 164 (2), pp. 250-9. Date of Electronic Publication: 2005 Jun 10.
Typ publikacji :
Journal Article; Research Support, Non-U.S. Gov't
Język :
English
Imprint Name(s) :
Original Publication: Berlin : Springer Verlag
MeSH Terms :
Learning/*physiology
Memory/*physiology
Movement/*physiology
Psychomotor Performance/*physiology
Sensation/*physiology
Adolescent ; Adult ; Biomechanical Phenomena ; Brain/physiology ; Cognition/physiology ; Feedback/physiology ; Hand/physiology ; Humans ; Wrist/physiology
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Entry Date(s) :
Date Created: 20050611 Date Completed: 20051028 Latest Revision: 20181113
Update Code :
20210209
DOI :
10.1007/s00221-005-2247-4
PMID :
15947919
Czasopismo naukowe
Numerous studies have shown that when people encounter a sudden and novel sensorimotor transformation that alters perceived or actual movement, they gradually adapt and can later recall what they have learned if they encounter the transformation again. In this study, we tested whether retention and recall of learning is also observed when kinematic and dynamic transformations are introduced incrementally such that participants never experience large movement errors. Participants adapted their reaching movements to either a visuomotor rotation of hand position (kinematic transformation) or a rotary viscous force-field applied to the hand (dynamic transformation). These perturbations were introduced either incrementally or instantaneously. Thus, four groups of participants were tested with an incremental and an instantaneous group for both the kinematic and dynamic perturbations. To evaluate retention of learning, participants from all four groups were tested a day later on the same kinematic or dynamic perturbation presented instantaneously (at full strength). As expected, we found that subjects in the instantaneous group retained learning across days. We also found that, for both kinematic and dynamic perturbations, retention was equally good or better when the transformation was introduced incrementally. Because large and clearly detectable movement errors were not observed during adaptation to incremental perturbations, we conclude that such errors are not required for the learning and retention of internal models of kinematic and dynamic sensorimotor transformations.

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