Dual adaptation of apparent concomitant motion contingent on head rotation frequency.
Percept Psychophys
; 60(5): 821-5, 1998 Jul.
Article
em En
| MEDLINE
| ID: mdl-9682606
ABSTRACT
Perceived movement of a stationary visual stimulus during head motion was measured before and after adaptation intervals during which participants performed voluntary head oscillations while viewing a moving spot. During these intervals, participants viewed the spot stimulus moving alternately in the same direction as the head was moving during either .25- or 2.0-Hz oscillations, and then in the opposite direction as the head at the other of the two frequencies. Postadaptation measures indicated that the visual stimuli were perceived as stationary only if traveling in the same direction as that viewed during adaptation at the same frequency of head motion. Thus, opposite directions of spot motion were perceived as stationary following adaptation depending on head movement frequency. The results provide an example of the ability to establish dual (or "context-specific") adaptations to altered visual-vestibular feedback.
Palavras-chave
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Cabeça
/
Percepção de Movimento
/
Movimento
Limite:
Adult
/
Humans
Idioma:
En
Revista:
Percept Psychophys
Ano de publicação:
1998
Tipo de documento:
Article
País de afiliação:
Estados Unidos