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October 2021

Evidence of imagined passive self-motion through imagery-perception interaction

Author(s): Belkhenchir, S., Lepecq, J. C.

Journal/Book: Acta Psychol. 2000; 105: PO Box 211, 1000 AE Amsterdam, Netherlands. Elsevier Science Bv. 57-78.

Abstract: The existence of whole-body passive self-motion mental imagery was investigated by examining whether the perception of passive body accelerations can be affected by passive self-motion imagery. Twenty healthy subjects recognised target passive body acceleration. This recognition task was performed under three conditions: (1) a baseline condition without imagery; (2) a compatible imagery condition during which subjects imagined themselves passively moving in the same direction as the target acceleration; (3) a non-compatible imagery condition during which subjects imagined themselves passively moving in the direction opposite to that of the target acceleration. The recognition of the target acceleration was improved under compatible and degraded under non-compatible imagery. This interaction implies that perception and imaginary share common representations, and supports the existence of passive self-motion imagery.

Note: Article Mertz S, Hop La Pitie Salpetriere, CNRS, UPR 640, 47 Blvd Hop, F-75651 Paris 13, FRANCE

Keyword(s): passive self-motion; mental imagery; PATH INTEGRATION; VISUAL-IMAGERY; LINEAR DISPLACEMENT; SPATIAL MEMORY; MENTAL-IMAGERY; NAVIGATION; ORIENTATION; LOCOMOTION; BLIND; FACILITATION


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