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  Closed head injury and perceptual processing in dual-task situations

Hein, G., Schubert, T., & von Cramon, D. Y. (2005). Closed head injury and perceptual processing in dual-task situations. Experimental Brain Research, 160(2), 223-234. doi:10.1007/s00221-004-2006-y.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-A41D-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-2705-4
Genre: Journal Article

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 Creators:
Hein, Grit1, Author              
Schubert, Torsten2, Author              
von Cramon, D. Yves2, Author              
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1External Organizations, ou_persistent22              
2Department Cognitive Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634563              

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Free keywords: Closed-head injury; Parkinson’s disease; Psychological refractory period; Paradigm; Perceptual processing; Cross modal interference
 Abstract: Using a classical psychological refractory period (PRP) paradigm we investigated whether increased interference between dual-task input processes is one possible source of dual-task deficits in patients with closed-head injury (CHI). Patients and age-matched controls were asked to give speeded motor reactions to an auditory and a visual stimulus. The perceptual difficulty of the visual stimulus was manipulated by varying its intensity. The results of Experiment 1 showed that CHI patients suffer from increased interference between dual-task input processes, which is related to the salience of the visual stimulus. A second experiment indicated that this input interference may be specific to brain damage following CHI. It is not evident in other groups of neurological patients like Parkinson’s disease patients. We conclude that the non-interfering processing of input stages in dual-tasks requires cognitive control. A decline in the control of input processes should be considered as one source of dual-task deficits in CHI patients.

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Language(s): eng - English
 Dates: 2005
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 239295
Other: P6783
DOI: 10.1007/s00221-004-2006-y
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Title: Experimental Brain Research
  Other : Exp. Brain Res.
Source Genre: Journal
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Publ. Info: Heidelberg : Springer-Verlag
Pages: - Volume / Issue: 160 (2) Sequence Number: - Start / End Page: 223 - 234 Identifier: ISSN: 0014-4819
CoNE: https://pure.mpg.de/cone/journals/resource/954925398496