Assessing the effect of posture change on tactile inhibition-of-return.

Assessing the effect of posture change on tactile inhibition-of-return. Research Abstract Details 

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Assessing the effect of posture change on tactile inhibition-of-return. Abstract Text:

Brigitte Röder,Charles Spence,Frank Rösler,

If a peripheral target follows an ipsilateral cue with a stimulus-onset-asynchrony (SOA) of 300 ms or more, its detection is delayed compared to a contralateral-cue condition. This phenomena, known as inhibition-of-return (IOR), affects responses to visual, auditory, and tactile stimuli, and is thought to provide an index of exogenous shifts of spatial attention. The present study investigated whether tactile IOR occurs in a somatotopic vs an allocentric frame of reference. In experiment 1, tactile cue and target stimuli were presented to the index and middle fingers of either hand, with the hands positioned in an uncrossed posture (SOA 500 or 1,000 ms). Speeded target detection responses were slowest for targets presented from the cued finger, and were also slower for targets presented to the adjacent finger on the cued hand than to either finger on the uncued hand. The same pattern of results was also reported when the index and middle fingers of the two hands were interleaved on the midline (experiment 2), suggesting that the gradient of tactile IOR surrounding a cued body site is modulated by the somatotopic rather than by the allocentric distance between cue and target.

Assessing the effect of posture change on tactile inhibition-of-return. Publishing Authors By Initials

B Röder,C Spence,F Rösler,

For similar psychological phenomena and processes: mental processes: perception: touch research abstracts see: psychological phenomena and processes: mental processes: perception: touch research

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Assessing the effect of posture change on tactile inhibition-of-return. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Experimental brain research. Experimentelle Hirnfo

VOLUME: 143

Page Numbers: 453-62

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ISSN: 0014-4819

DAY: 16

MONTH: 02

YEAR: 2002

Assessing the effect of posture change on tactile inhibition-of-return. Information

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LANGUAGE: eng

NlmUniqueID: 43312

Assessing the effect of posture change on tactile inhibition-of-return. Keywords Mesh Terms:

KEYWORDS: Touch

MESH TERMS: physiology

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Grant and Affiliation Information for Assessing the effect of posture change on tactile inhibition-of-return.

AFFILIATION: Department of Psychology, Philipps-University Marburg, Gutenbergstrasse 18, 35032 Marburg, Germany. roeder@mailer.uni-marburg.de

Country: Germany

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MEDLINETA: Exp Brain Res

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