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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Intersensory Facilitation: Race, Superposition, and Diffusion Models for Reaction Time to Multiple Stimuli

Intersensory Facilitation: Race, Superposition, and Diffusion Models for Reaction Time to Multiple Stimuli

Diederich, Adele

Paperback

Series: Europaeische Hochschulschriften / European University Studie, Book 369

Medical ReferenceGeneral Psychology

Currently unavailable to order

ISBN10: 3631449461
ISBN13: 9783631449462
Publisher: Peter Lang
Published: Jul 1 1992
Pages: 200
Language: English
Simple reaction time to stimuli from different sensory modalities presented simultaneously typically is shorter than reaction time to a single stimulus. In this study, auditory, visual, and tactile stimuli were presented in different combinations and at varying stimulus onset asynchronies. Two different types of models for the observed reaction time facilitation effects are developed and tested. Separate activation (race) type models assume that stimulus information in different sensory channels is processed in parallel and independently while coactivation type models allow interactions across different channels. Using Boole's inequality as a test for separate activation models it could be shown that these models cannot predict as much facilitation as observed. A superposition and a diffusion model of coactivation provided a promising quantitative approximation to the data.

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