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Precues enable multiple response preprogramming: Evidence from startle

journal contribution
posted on 2023-05-16, 23:33 authored by Carlsen, AN, Chua, R, Jeffery SummersJeffery Summers, Inglis, JT, Sanderson, DJ, Franks, IM
When one or more response dimensions in a choice reaction time (RT) task are provided beforehand (or precued), RT decreases, indicating that the precued part of a response was prepared in advance. In this study, a startling acoustic stimulus was used to investigate the amount of preprogramming that occurs when part of the response is precued because a startling stimulus has been shown to directly trigger preprogrammed responses. Participants performed wrist flexion/extension movements in a precued one to four choice RT paradigm. A control auditory stimulus (82 dB) or a startling acoustic stimulus (124 dB) accompanied the visual "go" signal on each trial. Although RT latencies were significantly reduced by the startle, many more errors were observed in the startled conditions. Importantly, the errors seen at short RT latencies largely reflected multiple movements to the cued response alternatives, suggesting that multiple responses were preprogrammed.

History

Publication title

Psychophysiology

Volume

46

Pagination

241-251

ISSN

0048-5772

Department/School

School of Psychological Sciences

Publisher

Wiley-Blackwell Publishing

Place of publication

USA

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in psychology

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