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Time and space order effetcs in timed brightness discrimination of paired visual stimuli

In English

Författare

Summary, in English

Despite the considerable import of both response probability and response time for testing models of choice there is a dearth of chronometric studies of time- and space-order effects in discrimination of paired visual stimuli. In this study, systematic asymmetries in discriminating the brightness of paired visual stimuli are examined by way of binary response probability scaled in terms of log-odds ratios, as well as by signed response speed (i.e., the inverse of response time with the sign of the judged difference). For two stimuli separated by a time interval, psychometric and chronometric results revealed equivalent time-order effects, and when presented simultaneously, separated by a spatial interval, no effects of space order were found. Implications of these findings for random walk and diffusion models of sensory discrimination are discussed.

Publiceringsår

2008

Språk

Engelska

Publikation/Tidskrift/Serie

Proceedings of the 24th Annual Meeting of the International Society for Psychophysics

Dokumenttyp

Konferensbidrag

Förlag

International Society for Psychophysics

Ämne

  • Psychology

Conference name

Fechner Day, 2008

Conference date

0001-01-02

Conference place

Toronto, Canada

Status

Published