| Does arousal interfere with operant conditioning of spike-wave discharges in genetic epileptic rats? | |
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MedLine Citation:
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PMID: 20388587 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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One of the ways in which brain computer interfaces can be used is neurofeedback (NF). Subjects use their brain activation to control an external device, and with this technique it is also possible to learn to control aspects of the brain activity by operant conditioning. Beneficial effects of NF training on seizure occurrence have been described in epileptic patients. Little research has been done about differentiating NF effectiveness by type of epilepsy, particularly, whether idiopathic generalized seizures are susceptible to NF. In this experiment, seizures that manifest themselves as spike-wave discharges (SWDs) in the EEG were reinforced during 10 sessions in 6 rats of the WAG/Rij strain, an animal model for absence epilepsy. EEG's were recorded before and after the training sessions. Reinforcing SWDs let to decreased SWD occurrences during training; however, the changes during training were not persistent in the post-training sessions. Because behavioural states are known to have an influence on the occurrence of SWDs, it is proposed that the reinforcement situation increased arousal which resulted in fewer SWDs. Additional tests supported this hypothesis. The outcomes have implications for the possibility to train SWDs with operant learning techniques. |
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Authors:
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Lasse Osterhagen; Marinus Breteler; Gilles van Luijtelaar |
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Publication Detail:
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Type: Journal Article Date: 2010-04-11 |
Journal Detail:
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Title: Epilepsy research Volume: 90 ISSN: 1872-6844 ISO Abbreviation: Epilepsy Res. Publication Date: 2010 Jun |
Date Detail:
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Created Date: 2010-06-23 Completed Date: 2010-09-27 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8703089 Medline TA: Epilepsy Res Country: Netherlands |
Other Details:
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Languages: eng Pagination: 75-82 Citation Subset: IM |
Copyright Information:
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Copyright (c) 2010 Elsevier B.V. All rights reserved. |
Affiliation:
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Donders Centre for Cognition, Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen, Nijmegen, The Netherlands. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Analysis of Variance Animals Arousal* Biofeedback, Psychology / methods* Conditioning, Operant / physiology* Disease Models, Animal Electrodes, Implanted Epilepsy, Absence / genetics, physiopathology*, rehabilitation* Male Rats Rats, Inbred Strains Reinforcement (Psychology)* |
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