Heart Rate Variability Synchronizes When Non-experts Vocalize Together.
Identifieur interne : 000016 ( Main/Exploration ); précédent : 000015; suivant : 000017Heart Rate Variability Synchronizes When Non-experts Vocalize Together.
Auteurs : Sebastian Ruiz-Blais [Royaume-Uni] ; Michele Orini [Royaume-Uni] ; Elaine Chew [France]Source :
- Frontiers in physiology [ 1664-042X ] ; 2020.
Abstract
Singing and chanting are ubiquitous across World cultures. It has been theorized that such practices are an adaptive advantage for humans because they facilitate bonding and cohesion between group members. Investigations into the effects of singing together have so far focused on the physiological effects, such as the synchronization of heart rate variability (HRV), of experienced choir singers. Here, we study whether HRV synchronizes for pairs of non-experts in different vocalizing conditions. Using time-frequency coherence (TFC) analysis, we find that HRV becomes more coupled when people make long (> 10 s) sounds synchronously compared to short sounds (< 1 s) and baseline measurements (p < 0.01). Furthermore, we find that, although most of the effect can be attributed to respiratory sinus arrhythmia, some HRV synchronization persists when the effect of respiration is removed: long notes show higher partial TFC than baseline and breathing (p < 0.05). In addition, we observe that, for most dyads, the frequency of the vocalization onsets matches that of the peaks in the TFC spectra, even though these frequencies are above the typical range of 0.04-0.4 Hz. A clear correspondence between high HRV coupling and the subjective experience of "togetherness" was not found. These results suggest that since autonomic physiological entrainment is observed for non-expert singing, it may be exploited as part of interventions in music therapy or social prescription programs for the general population.
DOI: 10.3389/fphys.2020.00762
PubMed: 33013429
PubMed Central: PMC7506073
Affiliations:
- France, Royaume-Uni
- Angleterre, Grand Londres, Île-de-France
- Londres, Paris
- University College de Londres, Université de Londres
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UMR9912/STMS (IRCAM), Paris, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>CNRS - UMR9912/STMS (IRCAM), Paris</wicri:regionArea><placeName><region type="region">Île-de-France</region><region type="old region">Île-de-France</region><settlement type="city">Paris</settlement></placeName></affiliation></author></analytic><series><title level="j">Frontiers in physiology</title><idno type="ISSN">1664-042X</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Singing and chanting are ubiquitous across World cultures. It has been theorized that such practices are an adaptive advantage for humans because they facilitate bonding and cohesion between group members. Investigations into the effects of singing together have so far focused on the physiological effects, such as the synchronization of heart rate variability (HRV), of experienced choir singers. Here, we study whether HRV synchronizes for pairs of non-experts in different vocalizing conditions. Using time-frequency coherence (TFC) analysis, we find that HRV becomes more coupled when people make long (> 10 s) sounds synchronously compared to short sounds (< 1 s) and baseline measurements (<i>p</i> < 0.01). Furthermore, we find that, although most of the effect can be attributed to respiratory sinus arrhythmia, some HRV synchronization persists when the effect of respiration is removed: long notes show higher partial TFC than baseline and breathing (<i>p</i> < 0.05). In addition, we observe that, for most dyads, the frequency of the vocalization onsets matches that of the peaks in the TFC spectra, even though these frequencies are above the typical range of 0.04-0.4 Hz. A clear correspondence between high HRV coupling and the subjective experience of "togetherness" was not found. These results suggest that since autonomic physiological entrainment is observed for non-expert singing, it may be exploited as part of interventions in music therapy or social prescription programs for the general population.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">33013429</PMID><DateRevised><Year>2020</Year><Month>10</Month><Day>06</Day></DateRevised><Article PubModel="Electronic-eCollection"><Journal><ISSN IssnType="Print">1664-042X</ISSN><JournalIssue CitedMedium="Print"><Volume>11</Volume><PubDate><Year>2020</Year></PubDate></JournalIssue><Title>Frontiers in physiology</Title><ISOAbbreviation>Front Physiol</ISOAbbreviation></Journal><ArticleTitle>Heart Rate Variability Synchronizes When Non-experts Vocalize Together.</ArticleTitle><Pagination><MedlinePgn>762</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.3389/fphys.2020.00762</ELocationID><Abstract><AbstractText>Singing and chanting are ubiquitous across World cultures. It has been theorized that such practices are an adaptive advantage for humans because they facilitate bonding and cohesion between group members. Investigations into the effects of singing together have so far focused on the physiological effects, such as the synchronization of heart rate variability (HRV), of experienced choir singers. Here, we study whether HRV synchronizes for pairs of non-experts in different vocalizing conditions. Using time-frequency coherence (TFC) analysis, we find that HRV becomes more coupled when people make long (> 10 s) sounds synchronously compared to short sounds (< 1 s) and baseline measurements (<i>p</i> < 0.01). Furthermore, we find that, although most of the effect can be attributed to respiratory sinus arrhythmia, some HRV synchronization persists when the effect of respiration is removed: long notes show higher partial TFC than baseline and breathing (<i>p</i> < 0.05). In addition, we observe that, for most dyads, the frequency of the vocalization onsets matches that of the peaks in the TFC spectra, even though these frequencies are above the typical range of 0.04-0.4 Hz. A clear correspondence between high HRV coupling and the subjective experience of "togetherness" was not found. These results suggest that since autonomic physiological entrainment is observed for non-expert singing, it may be exploited as part of interventions in music therapy or social prescription programs for the general population.</AbstractText><CopyrightInformation>Copyright © 2020 Ruiz-Blais, Orini and Chew.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ruiz-Blais</LastName><ForeName>Sebastian</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>School of Electronic Engineering and Computer Science, Queen Mary University of London, London, United Kingdom.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Orini</LastName><ForeName>Michele</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Department of Clinical Science, Institute of Cardiovascular Science, University College London, London, United Kingdom.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Chew</LastName><ForeName>Elaine</ForeName><Initials>E</Initials><AffiliationInfo><Affiliation>CNRS - UMR9912/STMS (IRCAM), Paris, France.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2020</Year><Month>09</Month><Day>08</Day></ArticleDate></Article><MedlineJournalInfo><Country>Switzerland</Country><MedlineTA>Front Physiol</MedlineTA><NlmUniqueID>101549006</NlmUniqueID><ISSNLinking>1664-042X</ISSNLinking></MedlineJournalInfo><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">HRV</Keyword><Keyword MajorTopicYN="N">coherence</Keyword><Keyword MajorTopicYN="N">singing</Keyword><Keyword MajorTopicYN="N">synchronization</Keyword><Keyword MajorTopicYN="N">togetherness</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate 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sort="Ruiz Blais, Sebastian" uniqKey="Ruiz Blais S" first="Sebastian" last="Ruiz-Blais">Sebastian Ruiz-Blais</name></region><name sortKey="Orini, Michele" sort="Orini, Michele" uniqKey="Orini M" first="Michele" last="Orini">Michele Orini</name></country><country name="France"><region name="Île-de-France"><name sortKey="Chew, Elaine" sort="Chew, Elaine" uniqKey="Chew E" first="Elaine" last="Chew">Elaine Chew</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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