Self-Motion Perception During Locomotor Recalibration: More Than Meets the Eye

Do locomotor aftereffects depend specifically on visual feedback? In 7 experiments, 116 college students were tested, with closed eyes, at stationary running or at walking to a previewed target after adaptation, with closed eyes, to treadmill locomotion. Subjects showed faster inadvertent drift duri...

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Bibliographic Details
Published in:Journal of experimental psychology. Human perception and performance 2005-06, Vol.31 (3), p.398-419
Main Authors: Durgin, Frank H, Pelah, Adar, Fox, Laura F, Lewis, Jed, Kane, Rachel, Walley, Katherine A
Format: Article
Language:English
Subjects:
Activity levels. Psychomotricity
Adaptation, Psychological
Adjustment (to Environment)
Analysis of Variance
Biological and medical sciences
College Students
Cues
Experiments
Feedback
Fundamental and applied biological sciences. Psychology
Human
Human Body
Humans
Kinesthesis
Locomotion
Motion
Motion Perception
Motor Processes
Psychological Theory
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Psychomotor activities
Psychomotor Performance
Running
Task Analysis
Transfer (Psychology)
Visual Feedback
Visual Perception
Walking
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Summary:Do locomotor aftereffects depend specifically on visual feedback? In 7 experiments, 116 college students were tested, with closed eyes, at stationary running or at walking to a previewed target after adaptation, with closed eyes, to treadmill locomotion. Subjects showed faster inadvertent drift during stationary running and increased distance (overshoot) when walking to a target. Overshoot seemed to saturate (i.e., reach a ceiling) at 17% after as little as 1 min of adaptation. Sidestepping at test reduced overshoot, suggesting motor specificity. But inadvertent drift effects were decreased if the eyes were open and the treadmill was drawn through the environment during adaptation, indicating that these effects involve self-motion perception. Differences in expression of inadvertent drift and of overshoot after adaptation to treadmill locomotion may have been due to different sets of ancillary cues available for the 2 tasks. Self-motion perception is multimodal.
ISSN:0096-1523
1939-1277
DOI:10.1037/0096-1523.31.3.398