Perception of movement extent depends on the extent of previous movements

Title: Perception of movement extent depends on the extent of previous movements
Creator: Seizova-Cajic, Tatjana; Smith, Janette L.; Taylor, Janet L.; Gandevia, Simon C.
Relation: Experimental Brain Research Vol. 195, p. 167-172
Publisher Link: http://dx.doi.org/10.1007/s00221-009-1780-y
Publisher: Springer
Resource Type: journal article
Date: 2009
Description: We report an aftereVect in perception of the extent (or degree or range) of joint movement, showing for the first time that a prolonged exposure to a passive backand- forth movement of a certain extent results in a change in judgment of the extent of a subsequently presented movement. The adapting stimulus, movement about the wrist, had an extent of either 30° or 75°, while the test stimulus was a 50° movement. Following a 4-min adaptation period, the estimated magnitudes of the test stimuli were 61° and 36° in the 30° and 75° condition, respectively (t test(6) = 9.6; p < 0.001). The observed eVect is an instance of repulsion or contrast commonly described in perception literature, with perceived value of the test stimulus pushed away from the adapting stimulus.
Subject: proprioception; kinesthesis; adaptation; aftereVects; movement extent
Identifier: http://hdl.handle.net/1959.13/34962
Identifier: uon:3787
Identifier: ISSN:0014-4819
Rights: The original publication is available at www.springerlink.com
Language: eng
Full Text
Reviewed

		Thumbnail	File	Description	Size	Format
View Details Download			SOURCE1	Author final version	96 KB	Adobe Acrobat PDF	View Details Download