Influence of retinal and extra-retinal information in visuomanual distance coding

L. Martel, M. Grealy, Y. Coello

Research output: Contribution to journalArticle

Abstract

Studies on visuomanual control emphasised the importance of extraretinal signals in distance coding, though enriching the workspace generally decreased perceptual distance underestimation as noticed otherwise. The present study investigated the integration of retinal-extraretinal inputs by analysing movements accuracy in a dark or textured workspace wearing optical prisms deviating vertically (±10°) visual information. The hand-to-target vector was always available. A non-structured workspace entailed an underestimation of target distance, which disappeared when appending texture information. Prisms influenced spatial performances in all conditions, though to a lesser extent with a textured workspace, which suggested a complex integration of retinal and extra-retinal distance information. (Document Type: Meeting Abstract; IUPsyS Invited Symposium, Poster Session, Oral Session, Keynote, State-of-the-Art Session )
LanguageEnglish
Pages54-54
Number of pages0
JournalInternational Journal of Psychology
Volume39
Issue number5-6
Publication statusPublished - Oct 2004

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Keywords

  • retinal
  • extra-retinal
  • visuomanual distance coding
  • psychology

Cite this

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Influence of retinal and extra-retinal information in visuomanual distance coding. / Martel, L.; Grealy, M.; Coello, Y.

In: International Journal of Psychology, Vol. 39, No. 5-6, 10.2004, p. 54-54.

Research output: Contribution to journalArticle

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