Effects of attention and precision of exerted force on beta range EEG-EMG synchronization during a maintained motor contraction task
The present study was aimed at investigating the effect of attention and precision level of exerted force on beta range EEG-EMG synchronization. We simultaneously recorded cortical electrical activity (EEG) in a bipolar manner from the contralateral sensorimotor areas and surface electromyographic (...
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| Veröffentlicht in: | Clinical neurophysiology 2002, Vol.113 (1), p.124-131 |
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| creator | KRISTEVA-FEIGE, Rumyana FRITSCH, Christoph TIMMER, Jens LÜCKING, Carl-Hermann |
| description | The present study was aimed at investigating the effect of attention and precision level of exerted force on beta range EEG-EMG synchronization.
We simultaneously recorded cortical electrical activity (EEG) in a bipolar manner from the contralateral sensorimotor areas and surface electromyographic (EMG) activity from the flexor digitorum superficialis muscle in 10 healthy subjects during a maintained motor contraction task at 8% of the maximal voluntary contraction (MVC) force level. The coherence between oscillatory processes in the EEG and EMG was calculated. Three different conditions were investigated: (i) performing the task with high precision (HP); (ii) performing the task with high precision and simultaneously performing a mental arithmetic task (HPAT), i.e. attention was divided between the motor task and the mental arithmetic task; and (iii) performing the task with low precision (LP).
We have found that the amount of beta range EEG-EMG synchronization decreases below the 95% confidence level when attention is divided between the motor task and the mental arithmetic task. The results also show that the frequency of beta range synchronization is higher with a higher level of precision but still lies within the beta frequency range (15-30 Hz).
The data indicate that beta range synchronization represents a state of the cortico-muscular network when attention is directed towards the motor task. The frequency of synchronization of this network is associated with, and possibly encodes, precision in force production. |
| doi_str_mv | 10.1016/s1388-2457(01)00722-2 |
| format | Article |
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We simultaneously recorded cortical electrical activity (EEG) in a bipolar manner from the contralateral sensorimotor areas and surface electromyographic (EMG) activity from the flexor digitorum superficialis muscle in 10 healthy subjects during a maintained motor contraction task at 8% of the maximal voluntary contraction (MVC) force level. The coherence between oscillatory processes in the EEG and EMG was calculated. Three different conditions were investigated: (i) performing the task with high precision (HP); (ii) performing the task with high precision and simultaneously performing a mental arithmetic task (HPAT), i.e. attention was divided between the motor task and the mental arithmetic task; and (iii) performing the task with low precision (LP).
We have found that the amount of beta range EEG-EMG synchronization decreases below the 95% confidence level when attention is divided between the motor task and the mental arithmetic task. The results also show that the frequency of beta range synchronization is higher with a higher level of precision but still lies within the beta frequency range (15-30 Hz).
The data indicate that beta range synchronization represents a state of the cortico-muscular network when attention is directed towards the motor task. The frequency of synchronization of this network is associated with, and possibly encodes, precision in force production.</description><identifier>ISSN: 1388-2457</identifier><identifier>EISSN: 1872-8952</identifier><identifier>DOI: 10.1016/s1388-2457(01)00722-2</identifier><identifier>PMID: 11801434</identifier><language>eng</language><publisher>Shannon: Elsevier Science</publisher><subject>Adult ; Algorithms ; Attention - physiology ; Beta Rhythm ; Biological and medical sciences ; Electromyography ; Feedback - physiology ; Female ; Fingers - innervation ; Fingers - physiology ; Fundamental and applied biological sciences. Psychology ; Humans ; Isometric Contraction - physiology ; Male ; Motor control and motor pathways. Reflexes. Control centers of vegetative functions. Vestibular system and equilibration ; Motor Cortex - physiology ; Muscle, Skeletal - innervation ; Muscle, Skeletal - physiology ; Psychomotor Performance - physiology ; Somatosensory Cortex - physiology ; Vertebrates: nervous system and sense organs</subject><ispartof>Clinical neurophysiology, 2002, Vol.113 (1), p.124-131</ispartof><rights>2002 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c453t-b540aa70adbbaa77e1a617aaf9ee72b2159bf7aea5501a847d1076c46428d2603</citedby><cites>FETCH-LOGICAL-c453t-b540aa70adbbaa77e1a617aaf9ee72b2159bf7aea5501a847d1076c46428d2603</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4021,27921,27922,27923</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=13438248$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11801434$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>KRISTEVA-FEIGE, Rumyana</creatorcontrib><creatorcontrib>FRITSCH, Christoph</creatorcontrib><creatorcontrib>TIMMER, Jens</creatorcontrib><creatorcontrib>LÜCKING, Carl-Hermann</creatorcontrib><title>Effects of attention and precision of exerted force on beta range EEG-EMG synchronization during a maintained motor contraction task</title><title>Clinical neurophysiology</title><addtitle>Clin Neurophysiol</addtitle><description>The present study was aimed at investigating the effect of attention and precision level of exerted force on beta range EEG-EMG synchronization.
We simultaneously recorded cortical electrical activity (EEG) in a bipolar manner from the contralateral sensorimotor areas and surface electromyographic (EMG) activity from the flexor digitorum superficialis muscle in 10 healthy subjects during a maintained motor contraction task at 8% of the maximal voluntary contraction (MVC) force level. The coherence between oscillatory processes in the EEG and EMG was calculated. Three different conditions were investigated: (i) performing the task with high precision (HP); (ii) performing the task with high precision and simultaneously performing a mental arithmetic task (HPAT), i.e. attention was divided between the motor task and the mental arithmetic task; and (iii) performing the task with low precision (LP).
We have found that the amount of beta range EEG-EMG synchronization decreases below the 95% confidence level when attention is divided between the motor task and the mental arithmetic task. The results also show that the frequency of beta range synchronization is higher with a higher level of precision but still lies within the beta frequency range (15-30 Hz).
The data indicate that beta range synchronization represents a state of the cortico-muscular network when attention is directed towards the motor task. The frequency of synchronization of this network is associated with, and possibly encodes, precision in force production.</description><subject>Adult</subject><subject>Algorithms</subject><subject>Attention - physiology</subject><subject>Beta Rhythm</subject><subject>Biological and medical sciences</subject><subject>Electromyography</subject><subject>Feedback - physiology</subject><subject>Female</subject><subject>Fingers - innervation</subject><subject>Fingers - physiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Isometric Contraction - physiology</subject><subject>Male</subject><subject>Motor control and motor pathways. Reflexes. Control centers of vegetative functions. Vestibular system and equilibration</subject><subject>Motor Cortex - physiology</subject><subject>Muscle, Skeletal - innervation</subject><subject>Muscle, Skeletal - physiology</subject><subject>Psychomotor Performance - physiology</subject><subject>Somatosensory Cortex - physiology</subject><subject>Vertebrates: nervous system and sense organs</subject><issn>1388-2457</issn><issn>1872-8952</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkEFvFCEUx4nR2Fr7Edpw0ehhFBgYmGPTjKtJjYfaM3nDPNqpO7ACm1jP_eCy2zU9kMeD3_-95EfIGWefOOPd58xbYxohlf7A-EfGtBCNeEGOudGiMb0SL-v9P3JE3uR8zyrFpHhNjjg3jMtWHpPHwXt0JdPoKZSCocwxUAgT3SR0c9519Qv_YCo4UR-TQ1rfRixAE4RbpMOwaobvK5ofgrtLMcx_YT9k2qY53FKgC8yh1FPzSywxURdDSeD2VIH86y155WGd8fRQT8jNl-Hn5dfm6sfq2-XFVeOkakszKskANINpHGvVyKHjGsD3iFqMgqt-9BoQlGIcjNQTZ7pzspPCTKJj7Ql5_zR3k-LvLeZilzk7XK8hYNxmq7lkfW9UBdUT6FLMOaG3mzQvkB4sZ3an317v3NqdW8u43eu3oubODwu244LTc-rguwLvDgBkB2tfDVbJz1xFjJCm_QdFN49s</recordid><startdate>2002</startdate><enddate>2002</enddate><creator>KRISTEVA-FEIGE, Rumyana</creator><creator>FRITSCH, Christoph</creator><creator>TIMMER, Jens</creator><creator>LÜCKING, Carl-Hermann</creator><general>Elsevier Science</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>2002</creationdate><title>Effects of attention and precision of exerted force on beta range EEG-EMG synchronization during a maintained motor contraction task</title><author>KRISTEVA-FEIGE, Rumyana ; FRITSCH, Christoph ; TIMMER, Jens ; LÜCKING, Carl-Hermann</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c453t-b540aa70adbbaa77e1a617aaf9ee72b2159bf7aea5501a847d1076c46428d2603</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Adult</topic><topic>Algorithms</topic><topic>Attention - physiology</topic><topic>Beta Rhythm</topic><topic>Biological and medical sciences</topic><topic>Electromyography</topic><topic>Feedback - physiology</topic><topic>Female</topic><topic>Fingers - innervation</topic><topic>Fingers - physiology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Humans</topic><topic>Isometric Contraction - physiology</topic><topic>Male</topic><topic>Motor control and motor pathways. Reflexes. Control centers of vegetative functions. Vestibular system and equilibration</topic><topic>Motor Cortex - physiology</topic><topic>Muscle, Skeletal - innervation</topic><topic>Muscle, Skeletal - physiology</topic><topic>Psychomotor Performance - physiology</topic><topic>Somatosensory Cortex - physiology</topic><topic>Vertebrates: nervous system and sense organs</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>KRISTEVA-FEIGE, Rumyana</creatorcontrib><creatorcontrib>FRITSCH, Christoph</creatorcontrib><creatorcontrib>TIMMER, Jens</creatorcontrib><creatorcontrib>LÜCKING, Carl-Hermann</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Clinical neurophysiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>KRISTEVA-FEIGE, Rumyana</au><au>FRITSCH, Christoph</au><au>TIMMER, Jens</au><au>LÜCKING, Carl-Hermann</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of attention and precision of exerted force on beta range EEG-EMG synchronization during a maintained motor contraction task</atitle><jtitle>Clinical neurophysiology</jtitle><addtitle>Clin Neurophysiol</addtitle><date>2002</date><risdate>2002</risdate><volume>113</volume><issue>1</issue><spage>124</spage><epage>131</epage><pages>124-131</pages><issn>1388-2457</issn><eissn>1872-8952</eissn><abstract>The present study was aimed at investigating the effect of attention and precision level of exerted force on beta range EEG-EMG synchronization.
We simultaneously recorded cortical electrical activity (EEG) in a bipolar manner from the contralateral sensorimotor areas and surface electromyographic (EMG) activity from the flexor digitorum superficialis muscle in 10 healthy subjects during a maintained motor contraction task at 8% of the maximal voluntary contraction (MVC) force level. The coherence between oscillatory processes in the EEG and EMG was calculated. Three different conditions were investigated: (i) performing the task with high precision (HP); (ii) performing the task with high precision and simultaneously performing a mental arithmetic task (HPAT), i.e. attention was divided between the motor task and the mental arithmetic task; and (iii) performing the task with low precision (LP).
We have found that the amount of beta range EEG-EMG synchronization decreases below the 95% confidence level when attention is divided between the motor task and the mental arithmetic task. The results also show that the frequency of beta range synchronization is higher with a higher level of precision but still lies within the beta frequency range (15-30 Hz).
The data indicate that beta range synchronization represents a state of the cortico-muscular network when attention is directed towards the motor task. The frequency of synchronization of this network is associated with, and possibly encodes, precision in force production.</abstract><cop>Shannon</cop><pub>Elsevier Science</pub><pmid>11801434</pmid><doi>10.1016/s1388-2457(01)00722-2</doi><tpages>8</tpages></addata></record> |
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| subjects | Adult Algorithms Attention - physiology Beta Rhythm Biological and medical sciences Electromyography Feedback - physiology Female Fingers - innervation Fingers - physiology Fundamental and applied biological sciences. Psychology Humans Isometric Contraction - physiology Male Motor control and motor pathways. Reflexes. Control centers of vegetative functions. Vestibular system and equilibration Motor Cortex - physiology Muscle, Skeletal - innervation Muscle, Skeletal - physiology Psychomotor Performance - physiology Somatosensory Cortex - physiology Vertebrates: nervous system and sense organs |
| title | Effects of attention and precision of exerted force on beta range EEG-EMG synchronization during a maintained motor contraction task |
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