EEG changes caused by spontaneous facial self-touch may represent emotion regulating processes and working memory maintenance
Identifieur interne : 000020 ( PascalFrancis/Corpus ); précédent : 000019; suivant : 000021EEG changes caused by spontaneous facial self-touch may represent emotion regulating processes and working memory maintenance
Auteurs : Martin Grunwald ; Thomas Weiss ; Stephanie Mueller ; Lysann RallSource :
- Brain research [ 0006-8993 ] ; 2014.
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- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Spontaneous facial self-touch gestures (sFSTG) are performed manifold every day by every human being, primarily in stressful situations. These movements are not usually designed to communicate and are frequently accomplished with little or no awareness. The aim of the present study was to investigate whether sFSTG are associated with specific changes in the electrical brain activity that might indicate an involvement of regulatory emotional processes and working memory. Fourteen subjects performed a delayed memory task of complex haptic stimuli. The stimuli had to be explored and then remembered for a retention interval of 5 min. The retention interval was interrupted by unpleasant sounds from The International Affective Digitized Sounds and short sound-free periods. During the experiment a video stream of behavior, 19-channel EEG, and EMG (of forearm muscles) were recorded. Comparisons of the behavioral data and spectral power of different EEG frequency bands (theta, alpha, beta, and gamma) were conducted. An increase of sFSTG during the application of unpleasant sounds was observed. A significant increase of spectral theta and beta power was observed after exploration of the stimuli as well as after sFSTG in centro-parietal electrodes. The spectral theta power extremely decreased just before sFSTG during the retention interval. Contrary to this, no significant changes were detected in any of the frequencies when the spectral power before and after instructed facial self-touch movements (b-iFSTG and a-iFSTG) were compared. The changes of spectral theta power in the intervals before and after sFSTG in centro-parietal electrodes imply that sFSTG are associated with cortical regulatory processes in the domains of working memory and emotions.
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Format Inist (serveur)
| NO : | PASCAL 14-0260330 INIST |
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| ET : | EEG changes caused by spontaneous facial self-touch may represent emotion regulating processes and working memory maintenance |
| AU : | GRUNWALD (Martin); WEISS (Thomas); MUELLER (Stephanie); RALL (Lysann) |
| AF : | University of Leipzig, Paul-Flechsig-Institute for Brain Research, Haptic Research Lab/04103 Leipzig/Allemagne (1 aut., 3 aut., 4 aut.); Friedrich-Schiller-Uniuersity of Jena, Department Biological & Clinical Psychology/07743 Jena/Allemagne (2 aut.) |
| DT : | Publication en série; Compte-rendu; Niveau analytique |
| SO : | Brain research; ISSN 0006-8993; Coden BRREAP; Pays-Bas; Da. 2014; Vol. 1557; Pp. 111-126; Bibl. 2 p.3/4 |
| LA : | Anglais |
| EA : | Spontaneous facial self-touch gestures (sFSTG) are performed manifold every day by every human being, primarily in stressful situations. These movements are not usually designed to communicate and are frequently accomplished with little or no awareness. The aim of the present study was to investigate whether sFSTG are associated with specific changes in the electrical brain activity that might indicate an involvement of regulatory emotional processes and working memory. Fourteen subjects performed a delayed memory task of complex haptic stimuli. The stimuli had to be explored and then remembered for a retention interval of 5 min. The retention interval was interrupted by unpleasant sounds from The International Affective Digitized Sounds and short sound-free periods. During the experiment a video stream of behavior, 19-channel EEG, and EMG (of forearm muscles) were recorded. Comparisons of the behavioral data and spectral power of different EEG frequency bands (theta, alpha, beta, and gamma) were conducted. An increase of sFSTG during the application of unpleasant sounds was observed. A significant increase of spectral theta and beta power was observed after exploration of the stimuli as well as after sFSTG in centro-parietal electrodes. The spectral theta power extremely decreased just before sFSTG during the retention interval. Contrary to this, no significant changes were detected in any of the frequencies when the spectral power before and after instructed facial self-touch movements (b-iFSTG and a-iFSTG) were compared. The changes of spectral theta power in the intervals before and after sFSTG in centro-parietal electrodes imply that sFSTG are associated with cortical regulatory processes in the domains of working memory and emotions. |
| CC : | 002A25 |
| FD : | Electroencéphalographie; Soi; Sensibilité tactile; Emotion émotivité; Mémoire de travail; Cognition |
| FG : | Electrophysiologie; Perception; Affect affectivité |
| ED : | Electroencephalography; Self; Tactile sensitivity; Emotion emotionality; Working memory; Cognition |
| EG : | Electrophysiology; Perception; Affect affectivity |
| SD : | Electroencefalografía; Si mismo; Sensibilidad tactil; Emoción emotividad; Memoria trabajo; Cognición |
| LO : | INIST-12895.354000504833390120 |
| ID : | 14-0260330 |
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These movements are not usually designed to communicate and are frequently accomplished with little or no awareness. The aim of the present study was to investigate whether sFSTG are associated with specific changes in the electrical brain activity that might indicate an involvement of regulatory emotional processes and working memory. Fourteen subjects performed a delayed memory task of complex haptic stimuli. The stimuli had to be explored and then remembered for a retention interval of 5 min. The retention interval was interrupted by unpleasant sounds from The International Affective Digitized Sounds and short sound-free periods. During the experiment a video stream of behavior, 19-channel EEG, and EMG (of forearm muscles) were recorded. Comparisons of the behavioral data and spectral power of different EEG frequency bands (theta, alpha, beta, and gamma) were conducted. An increase of sFSTG during the application of unpleasant sounds was observed. A significant increase of spectral theta and beta power was observed after exploration of the stimuli as well as after sFSTG in centro-parietal electrodes. The spectral theta power extremely decreased just before sFSTG during the retention interval. Contrary to this, no significant changes were detected in any of the frequencies when the spectral power before and after instructed facial self-touch movements (b-iFSTG and a-iFSTG) were compared. 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All rights reserved.</s1></fA44><fA45><s0>2 p.3/4</s0></fA45><fA47 i1="01" i2="1"><s0>14-0260330</s0></fA47><fA60><s1>P</s1><s3>C</s3></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Brain research</s0></fA64><fA66 i1="01"><s0>NLD</s0></fA66><fC01 i1="01" l="ENG"><s0>Spontaneous facial self-touch gestures (sFSTG) are performed manifold every day by every human being, primarily in stressful situations. These movements are not usually designed to communicate and are frequently accomplished with little or no awareness. The aim of the present study was to investigate whether sFSTG are associated with specific changes in the electrical brain activity that might indicate an involvement of regulatory emotional processes and working memory. Fourteen subjects performed a delayed memory task of complex haptic stimuli. The stimuli had to be explored and then remembered for a retention interval of 5 min. The retention interval was interrupted by unpleasant sounds from The International Affective Digitized Sounds and short sound-free periods. During the experiment a video stream of behavior, 19-channel EEG, and EMG (of forearm muscles) were recorded. Comparisons of the behavioral data and spectral power of different EEG frequency bands (theta, alpha, beta, and gamma) were conducted. An increase of sFSTG during the application of unpleasant sounds was observed. A significant increase of spectral theta and beta power was observed after exploration of the stimuli as well as after sFSTG in centro-parietal electrodes. The spectral theta power extremely decreased just before sFSTG during the retention interval. Contrary to this, no significant changes were detected in any of the frequencies when the spectral power before and after instructed facial self-touch movements (b-iFSTG and a-iFSTG) were compared. 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These movements are not usually designed to communicate and are frequently accomplished with little or no awareness. The aim of the present study was to investigate whether sFSTG are associated with specific changes in the electrical brain activity that might indicate an involvement of regulatory emotional processes and working memory. Fourteen subjects performed a delayed memory task of complex haptic stimuli. The stimuli had to be explored and then remembered for a retention interval of 5 min. The retention interval was interrupted by unpleasant sounds from The International Affective Digitized Sounds and short sound-free periods. During the experiment a video stream of behavior, 19-channel EEG, and EMG (of forearm muscles) were recorded. Comparisons of the behavioral data and spectral power of different EEG frequency bands (theta, alpha, beta, and gamma) were conducted. An increase of sFSTG during the application of unpleasant sounds was observed. A significant increase of spectral theta and beta power was observed after exploration of the stimuli as well as after sFSTG in centro-parietal electrodes. The spectral theta power extremely decreased just before sFSTG during the retention interval. Contrary to this, no significant changes were detected in any of the frequencies when the spectral power before and after instructed facial self-touch movements (b-iFSTG and a-iFSTG) were compared. The changes of spectral theta power in the intervals before and after sFSTG in centro-parietal electrodes imply that sFSTG are associated with cortical regulatory processes in the domains of working memory and emotions.</EA><CC>002A25</CC><FD>Electroencéphalographie; Soi; Sensibilité tactile; Emotion émotivité; Mémoire de travail; Cognition</FD><FG>Electrophysiologie; Perception; Affect affectivité</FG><ED>Electroencephalography; Self; Tactile sensitivity; Emotion emotionality; Working memory; Cognition</ED><EG>Electrophysiology; Perception; Affect affectivity</EG><SD>Electroencefalografía; Si mismo; Sensibilidad tactil; Emoción emotividad; Memoria trabajo; Cognición</SD><LO>INIST-12895.354000504833390120</LO><ID>14-0260330</ID></server></inist></record>Pour manipuler ce document sous Unix (Dilib)
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