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Tag: Motor Learning

Decomposition of a sensory prediction error signal for visuomotor adaptation

Published in: Journal of Experimental Psychology: Human Perception and Performance, Volume 44, Issue 2, 176-194 Abstract “To accomplish effective motor control, the brain contains an internal forward model that predicts the expected sensory consequence of a motor command. When this prediction is inaccurate, a sensory prediction error is produced which adapts the forward model to make more accurate predictions of future movements. Other types of errors, such as task performance errors or reward, play less of a role in adapting a forward model. This raises the following question: What unique information is conveyed by the sensory prediction error that results in… Read More

Not all choices are created equal: Task-relevant choices enhance motor learning compared to task-irrelevant choices

Published in: Psychonomic Bulletin & Review, Volume 24, Issue 6, December 2017, 1879-1888 Abstract “Lewthwaite et al. (2015) reported that the learning benefits of exercising choice (i.e., their self-controlled condition) are not restricted to task-relevant features (e.g., feedback). They found that choosing one’s golf ball color (Exp. 1) or choosing which of two tasks to perform at a later time plus which of two artworks to hang (Exp. 2) resulted in better retention than did being denied these same choices (i.e., yoked condition). The researchers concluded that the learning benefits derived from choice, whether irrelevant or relevant to the to-be-learned task,… Read More