Effect of Proactive Mode of Processing on Event-related Oscillatory Brain Responses in Children
Proactive cognition is characterized by the formation and active maintenance of an internal task representation. The aim of this study was to explore if the internal task representation might affect the processing of incoming stimuli. For that aim, the effects of proactive and reactive modes of proc...
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Bulgarian Academy of Sciences
2018-09-01
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Online Access: | http://www.biomed.bas.bg/bioautomation/2018/vol_22.3/files/22.3_05.pdf |
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doaj-e345d41d00ef4bac9908be2b86c4af962020-11-25T03:17:05ZengBulgarian Academy of SciencesInternational Journal Bioautomation1314-19021314-23212018-09-0122325326210.7546/ijba.2018.22.3.253-262Effect of Proactive Mode of Processing on Event-related Oscillatory Brain Responses in ChildrenPlamenka Nanova0Vasil KolevJuliana YordanovaInstitute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 23, 1113 Sofia, BulgariaProactive cognition is characterized by the formation and active maintenance of an internal task representation. The aim of this study was to explore if the internal task representation might affect the processing of incoming stimuli. For that aim, the effects of proactive and reactive modes of processing on sensory and cognitive information processing were compared by using event-related oscillatory responses in a developmental model. Thirty six children aged 7-10 years were studied in a sensorimotor task with fixed stimulus sequences. Children were divided into two groups according to their proactive or reactive mode. Auditory event-related potentials were recorded and decomposed in the time-frequency domain to analyze amplitude and phase synchronization of oscillatory responses. Major results demonstrated that proactive mode of processing was characterized by enhanced pre-stimulus theta activity accompanied by a significant decrease of the temporal synchronization of event-related theta/alpha oscillations in the first 300 ms after stimulus. These results provide evidence that maintaining internal task representations in working memory engages oscillatory circuits, which can modulate the processing of incoming sensory information.http://www.biomed.bas.bg/bioautomation/2018/vol_22.3/files/22.3_05.pdfTime-frequency ERP componentsChildrenCognitionAuditory modality |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Plamenka Nanova Vasil Kolev Juliana Yordanova |
spellingShingle |
Plamenka Nanova Vasil Kolev Juliana Yordanova Effect of Proactive Mode of Processing on Event-related Oscillatory Brain Responses in Children International Journal Bioautomation Time-frequency ERP components Children Cognition Auditory modality |
author_facet |
Plamenka Nanova Vasil Kolev Juliana Yordanova |
author_sort |
Plamenka Nanova |
title |
Effect of Proactive Mode of Processing on Event-related Oscillatory Brain Responses in Children |
title_short |
Effect of Proactive Mode of Processing on Event-related Oscillatory Brain Responses in Children |
title_full |
Effect of Proactive Mode of Processing on Event-related Oscillatory Brain Responses in Children |
title_fullStr |
Effect of Proactive Mode of Processing on Event-related Oscillatory Brain Responses in Children |
title_full_unstemmed |
Effect of Proactive Mode of Processing on Event-related Oscillatory Brain Responses in Children |
title_sort |
effect of proactive mode of processing on event-related oscillatory brain responses in children |
publisher |
Bulgarian Academy of Sciences |
series |
International Journal Bioautomation |
issn |
1314-1902 1314-2321 |
publishDate |
2018-09-01 |
description |
Proactive cognition is characterized by the formation and active maintenance of an internal task representation. The aim of this study was to explore if the internal task representation might affect the processing of incoming stimuli. For that aim, the effects of proactive and reactive modes of processing on sensory and cognitive information processing were compared by using event-related oscillatory responses in a developmental model. Thirty six children aged 7-10 years were studied in a sensorimotor task with fixed stimulus sequences. Children were divided into two groups according to their proactive or reactive mode. Auditory event-related potentials were recorded and decomposed in the time-frequency domain to analyze amplitude and phase synchronization of oscillatory responses. Major results demonstrated that proactive mode of processing was characterized by enhanced pre-stimulus theta activity accompanied by a significant decrease of the temporal synchronization of event-related theta/alpha oscillations in the first 300 ms after stimulus. These results provide evidence that maintaining internal task representations in working memory engages oscillatory circuits, which can modulate the processing of incoming sensory information. |
topic |
Time-frequency ERP components Children Cognition Auditory modality |
url |
http://www.biomed.bas.bg/bioautomation/2018/vol_22.3/files/22.3_05.pdf |
work_keys_str_mv |
AT plamenkananova effectofproactivemodeofprocessingoneventrelatedoscillatorybrainresponsesinchildren AT vasilkolev effectofproactivemodeofprocessingoneventrelatedoscillatorybrainresponsesinchildren AT julianayordanova effectofproactivemodeofprocessingoneventrelatedoscillatorybrainresponsesinchildren |
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1724633386327212032 |