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Muscle contraction ...
Muscle contraction force and fatigue : Effects on mismatch negativity
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- Evstigneeva, Maria D. (författare)
- Department of Higher Nervous Activity and Psychophysiology, Saint Petersburg State University, Saint Petersburg, Russia
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- Alexandrov, Alexander A. (författare)
- Department of Higher Nervous Activity and Psychophysiology, Saint Petersburg State University, Saint Petersburg, Russia
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- Mathiassen, Svend Erik (författare)
- Högskolan i Gävle,CBF,Centrum för belastningsskadeforskning
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- Lyskov, Eugene (författare)
- Högskolan i Gävle,CBF,Centrum för belastningsskadeforskning
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(creator_code:org_t)
- 2010
- 2010
- Engelska.
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Ingår i: NeuroReport. - 0959-4965 .- 1473-558X. ; 21:18, s. 1152-1156
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Muscle load can affect performance of concurrent cognitive task. This effect is often explained by limited resources in the voluntary attention system. To examine whether earlier stages of cognitive information processing might be affected, we recorded the Mismatch Negativity component (MMN) of the auditory event-related brain potential before, during and after sustained handgrip at 7% and 30% of maximal voluntary contraction. MMN is an index of automatic detection of a deviating auditory event. MMN was not affected by force level. However, its amplitude at fronto-central sites decreased during the fatiguing 30% contraction, while it tended to increase during the light 7% work. Thus, muscle fatigue may affect auditory information processing at preattentive and preconscious stages, which could modify cognitive performance
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Fysiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Physiology (hsv//eng)
Nyckelord
- mismatch negativity (MMN)
- event-related potentials (ERP)
- muscle fatigue
- force production
- isometric contraction
- dual task
- preattentive auditory information processing
- Neurophysiology
- Neurofysiologi
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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