Drifting while stepping in place in old adults: Association of self-motion perception with reference frame reliance and ground optic flow sensitivity

Highlights • Stepping in place maximizes optic flow effects, especially in old adults. • Drifting when stepping in place reveals poorer egocentric self-motion perception. • Poor egocentric self-motion perception is linked to greater optic flow sensitivity. • A motor index of visual reference frame r...

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Bibliographic Details
Published in:Neuroscience 2017-04, Vol.347, p.134-147
Main Authors: Agathos, Catherine P, Bernardin, Delphine, Baranton, Konogan, Assaiante, Christine, Isableu, Brice
Format: Article
Language:English
Subjects:
Adult
Age Factors
Aged
Aged, 80 and over
aging
Biomechanical Phenomena
Cognitive science
Female
frames of reference
ground surface
Humans
Male
Middle Aged
Motion Perception
Neurology
Neuroscience
Optic Flow
Self Concept
self-motion perception
stepping in place
Walking
Young Adult
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Summary:Highlights • Stepping in place maximizes optic flow effects, especially in old adults. • Drifting when stepping in place reveals poorer egocentric self-motion perception. • Poor egocentric self-motion perception is linked to greater optic flow sensitivity. • A motor index of visual reference frame reliance is proposed. • Visual reference frame reliance for self-motion perception is shown from middle-age.
ISSN:0306-4522
1873-7544
DOI:10.1016/j.neuroscience.2017.01.044