Document Detail


Causal interactions between the cerebral cortex and the autonomic nervous system.
MedLine Citation:
PMID:  24691996     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Mental states such as stress and anxiety can cause heart disease. On the other hand, meditation can improve cardiac performance. In this study, the heart rate variability, directed transfer function and corrected conditional entropy were used to investigate the effects of mental tasks on cardiac performance, and the functional coupling between the cerebral cortex and the heart. When subjects tried to decrease their heart rate by volition, the sympathetic nervous system was inhibited and the heart rate decreased. When subjects tried to increase their heart rate by volition, the parasympathetic nervous system was inhibited and the sympathetic nervous system was stimulated, and the heart rate increased. When autonomic nervous system activity was regulated by mental tasks, the information flow from the post-central areas to the pre-central areas of the cerebral cortex increased, and there was greater coupling between the brain and the heart. Use of directed transfer function and corrected conditional entropy techniques enabled analysis of electroencephalographic recordings, and of the information flow causing functional coupling between the brain and the heart.
Authors:
Xiaolin Yu; Chong Zhang; Jianbao Zhang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-4-1
Journal Detail:
Title:  Science China. Life sciences     Volume:  -     ISSN:  1869-1889     ISO Abbreviation:  Sci China Life Sci     Publication Date:  2014 Apr 
Date Detail:
Created Date:  2014-4-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101529880     Medline TA:  Sci China Life Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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