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World class computing and information science research at Strathclyde...

The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including by researchers from the Department of Computer & Information Sciences involved in mathematically structured programming, similarity and metric search, computer security, software systems, combinatronics and digital health.

The Department also includes the iSchool Research Group, which performs leading research into socio-technical phenomena and topics such as information retrieval and information seeking behaviour.

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

Martel, L. and Grealy, M. and Coello, Y. (2004) Influence of retinal and extra-retinal information in visuomanual distance coding. International Journal of Psychology, 39 (5-6). p. 54. ISSN 0020-7594

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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 )