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Task requirements change signal strength of the primary somatosensory M50 : Oddball vs. one-back tasks

Title data

Götz, Theresa ; Huonker, Ralph ; Miltner, Wolfgang ; Witte, Otto ; Dettner, Konrad ; Weiss, Thomas:
Task requirements change signal strength of the primary somatosensory M50 : Oddball vs. one-back tasks.
In: Psychophysiology. Vol. 48 (2011) Issue 4 . - pp. 569-577.
ISSN 1540-5958
DOI: https://doi.org/10.1111/j.1469-8986.2010.01116.x

Abstract in another language

Studies on attention to tactile stimuli have produced conflicting results concerning the possibility and/or direction ofmodulation of early somatosensory-evoked fields (SEFs). To evaluate sources of these conflicting results, the samesubjects performed four different tasks in which the stimulation site, type, and intensity were kept constant. Twelvesubjects performed an oddball-like tactile task, two different one-back tactile tasks, and a visual task, while two distalphalanges of the index and ring finger were stimulated. Task-dependent SEFmodulations were found as early as 50 msafter stimulus onset (M50 component). Target/non-target ratios of M50 revealed enhanced values for the oddball-liketactile task, but decreased values for the tactile one-back task. This indicates that previously obtained conflicting resultsmight be due to different central mechanisms induced by different task requirements.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER95079
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Animal Ecology II - Evolutionary Animal Ecology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Former Professors > Chair Animal Ecology II - Univ.-Prof. Dr. Konrad Dettner
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Research Institutions
Research Institutions > Research Centres
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Former Professors
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 29 Apr 2015 15:42
Last Modified: 29 Apr 2015 15:42
URI: https://eref.uni-bayreuth.de/id/eprint/11691