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Bamford JS, Vigl J, Hämäläinen M, Saarikallio SH. Love songs and serenades: a theoretical review of music and romantic relationships. Front Psychol 2024; 15:1302548. [PMID: 38420176 PMCID: PMC10899422 DOI: 10.3389/fpsyg.2024.1302548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 01/23/2024] [Indexed: 03/02/2024] Open
Abstract
In this theoretical review, we examine how the roles of music in mate choice and social bonding are expressed in romantic relationships. Darwin's Descent of Man originally proposed the idea that musicality might have evolved as a sexually selected trait. This proposition, coupled with the portrayal of popular musicians as sex symbols and the prevalence of love-themed lyrics in music, suggests a possible link between music and attraction. However, recent scientific exploration of the evolutionary functions of music has predominantly focused on theories of social bonding and group signaling, with limited research addressing the sexual selection hypothesis. We identify two distinct types of music-making for these different functions: music for attraction, which would be virtuosic in nature to display physical and cognitive fitness to potential mates; and music for connection, which would facilitate synchrony between partners and likely engage the same reward mechanisms seen in the general synchrony-bonding effect, enhancing perceived interpersonal intimacy as a facet of love. Linking these two musical functions to social psychological theories of relationship development and the components of love, we present a model that outlines the potential roles of music in romantic relationships, from initial attraction to ongoing relationship maintenance. In addition to synthesizing the existing literature, our model serves as a roadmap for empirical research aimed at rigorously investigating the possible functions of music for romantic relationships.
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Affiliation(s)
- Joshua S Bamford
- Centre of Excellence in Music, Mind, Body and Brain, University of Jyväskylä, Jyväskylä, Finland
- Institute of Human Sciences, University of Oxford, Oxford, United Kingdom
| | - Julia Vigl
- Centre of Excellence in Music, Mind, Body and Brain, University of Jyväskylä, Jyväskylä, Finland
- Department of Psychology, University of Innsbruck, Innsbruck, Austria
| | - Matias Hämäläinen
- Centre of Excellence in Music, Mind, Body and Brain, University of Jyväskylä, Jyväskylä, Finland
| | - Suvi Helinä Saarikallio
- Centre of Excellence in Music, Mind, Body and Brain, University of Jyväskylä, Jyväskylä, Finland
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2
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Theofanopoulou C. A journey from speech to dance through the field of oxytocin. COMPREHENSIVE PSYCHONEUROENDOCRINOLOGY 2023; 16:100193. [PMID: 38108035 PMCID: PMC10724736 DOI: 10.1016/j.cpnec.2023.100193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 07/14/2023] [Indexed: 12/19/2023] Open
Abstract
In this article, I am going through my scientific and personal journey using my work on oxytocin as a compass. I recount how my scientific questions were shaped over the years, and how I studied them through the lens of different fields ranging from linguistics and neuroscience to comparative and population genomics in a wide range of vertebrate species. I explain how my evolutionary findings and proposal for a universal gene nomenclature in the oxytocin-vasotocin ligand and receptor families have impacted relevant fields, and how my studies in the oxytocin and vasotocin system in songbirds, humans and non-human primates have led me to now be testing intranasal oxytocin as a candidate treatment for speech deficits. I also discuss my projects on the neurobiology of dance and where oxytocin fits in the picture of studying speech and dance in parallel. Lastly, I briefly communicate the challenges I have been facing as a woman and an international scholar in science and academia, and my personal ways to overcome them.
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Affiliation(s)
- Constantina Theofanopoulou
- The Rockefeller University, New York, USA
- Center for the Ballet and the Arts, New York University, New York, USA
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3
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Grossman-Giron A, Fisher H, Atzil-Slonim D, Maoz H, Nitzan U, Tzur Bitan D. The effect of Oxytocin administration on patient-therapist alliance congruence: Results from a randomized controlled trial. Psychother Res 2023:1-11. [PMID: 37856680 DOI: 10.1080/10503307.2023.2269300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 10/05/2023] [Indexed: 10/21/2023] Open
Abstract
OBJECTIVES The effects of oxytocin (OT) administration on psychotherapeutic processes have thus far been elusive. This study explored the effect of OT administration on patient-therapist congruence of the working alliance. METHOD Inpatients with mental disorders (N = 87) participating in a randomized controlled trial received OT (n = 44) or placebo (n = 43) intranasally twice a day, for four weeks. Patients and therapists rated the alliance after each session. RESULTS Oxytocin significantly moderated the level of agreement (b = -0.56, SE = 0.25, t = -2.30, p = 0.02), such that patients receiving OT demonstrated lower discrepancy (b = -0.73, p < 0.001) than did those receiving placebo (b = -1.30, p < 0.001). On the other hand, the mutual covariance of patient-therapist ratings across sessions was positive and significant for patients receiving placebo (b = 0.26, p = 0.01) but not for patients in the OT group (b = -0.06, p = .56). CONCLUSION Oxytocin can reduce discrepancies of patient-therapist perceptions of the alliance, although additional studies are needed to explore OT's effect on alliance development over time. As alliance congruence is associated with therapy outcomes, such intervention may lead to enhancement of therapeutic gains.
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Affiliation(s)
- Ariella Grossman-Giron
- Department of Behavioral Sciences, Ariel University, Ariel, Israel
- Shalvata Mental Health Center, Affiliated with the Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Hadar Fisher
- Department of Psychology, Haifa University, Haifa, Israel
| | | | - Hagai Maoz
- Shalvata Mental Health Center, Affiliated with the Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Uri Nitzan
- Shalvata Mental Health Center, Affiliated with the Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Dana Tzur Bitan
- Shalvata Mental Health Center, Affiliated with the Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
- Department of Community Mental Health, University of Haifa, Haifa, Israel
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Zilcha-Mano S, Orbach M, Malka M, Lebowitz ER. Oxytocin as a Biomarker of Differential Effects to SPACE vs. CBT Treatment of Child Anxiety Disorders. JOURNAL OF CLINICAL CHILD AND ADOLESCENT PSYCHOLOGY : THE OFFICIAL JOURNAL FOR THE SOCIETY OF CLINICAL CHILD AND ADOLESCENT PSYCHOLOGY, AMERICAN PSYCHOLOGICAL ASSOCIATION, DIVISION 53 2023:1-9. [PMID: 37166402 PMCID: PMC10638466 DOI: 10.1080/15374416.2023.2188557] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
OBJECTIVE Two lines of research, on outcome moderators and on novel treatment targets, seek to improve the overall efficacy of child anxiety treatment, with mixed results. We propose that an integration of both lines of research can lead to improved treatment efficacy. In a first proof of concept of this approach, we studied whether the interaction between baseline levels and targeted changes in peripheral oxytocin (OT) can predict differential responses to two childhood anxiety treatments. METHOD A total of 124 mother-child dyads participated in the study. Children's salivary OT levels were measured at baseline and again, immediately after an experimental dyadic interaction in the lab. Dyads were subsequently randomized to receive one of two treatments, differing in their targets: SPACE (Supportive Parenting for Anxious Childhood Emotions) and CBT (cognitive-behavioral therapy). Treatment outcomes were assessed using the Childhood Anxiety Related Emotional Disorders scale, reported by both mother and child. RESULTS The findings suggest that in SPACE, where the mother is the main agent of change, higher baseline levels of child OT, coupled with increases in OT following a positive mother-child interaction, predicted greater treatment efficacy. By contrast, in CBT, where the child is the main agent of change, higher baseline levels of child OT, coupled with a decrease in OT following the interaction, predicted greater treatment efficacy. CONCLUSIONS The findings highlight the importance of the integration between moderators and targets of treatments for progress toward improving treatment efficacy through precision medicine.
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Affiliation(s)
| | - Meital Orbach
- Child Study Center, School of Medicine, Yale University
| | - Michal Malka
- The Department of Psychology, University of Haifa
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5
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Fukui H, Toyoshima K. Testosterone, oxytocin and co-operation: A hypothesis for the origin and function of music. Front Psychol 2023; 14:1055827. [PMID: 36860786 PMCID: PMC9968751 DOI: 10.3389/fpsyg.2023.1055827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 01/25/2023] [Indexed: 02/15/2023] Open
Abstract
Since the time of Darwin, theories have been proposed on the origin and functions of music; however, the subject remains enigmatic. The literature shows that music is closely related to important human behaviours and abilities, namely, cognition, emotion, reward and sociality (co-operation, entrainment, empathy and altruism). Notably, studies have deduced that these behaviours are closely related to testosterone (T) and oxytocin (OXT). The association of music with important human behaviours and neurochemicals is closely related to the understanding of reproductive and social behaviours being unclear. In this paper, we describe the endocrinological functions of human social and musical behaviour and demonstrate its relationship to T and OXT. We then hypothesised that the emergence of music is associated with behavioural adaptations and emerged as humans socialised to ensure survival. Moreover, the proximal factor in the emergence of music is behavioural control (social tolerance) through the regulation of T and OXT, and the ultimate factor is group survival through co-operation. The "survival value" of music has rarely been approached from the perspective of musical behavioural endocrinology. This paper provides a new perspective on the origin and functions of music.
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Affiliation(s)
- Hajime Fukui
- Nara University of Education, Nara, Japan,*Correspondence: Hajime Fukui, ✉
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6
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Wirobski G, Range F, Graat EA, Palme R, Deschner T, Marshall-Pescini S. Similar behavioral but different endocrine responses to conspecific interactions in hand-raised wolves and dogs. iScience 2023; 26:105978. [PMID: 36756369 PMCID: PMC9900400 DOI: 10.1016/j.isci.2023.105978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 10/28/2022] [Accepted: 01/11/2023] [Indexed: 01/15/2023] Open
Abstract
Domestication has altered dogs' conspecific social organization compared to their closest, non-domesticated relatives, gray wolves. Wolves live in packs whose survival depends on coordinated behavior, but dogs rely less on conspecifics, which predicts greater cohesiveness in wolf than dog packs. Endocrine correlates such as oxytocin and glucocorticoids modulate group cohesion resulting in species-specific differences in social interactions. We found that although wolves' and dogs' observable behavioral reactions to a territorial threat and separation from the pack were similar, hormonal responses differed. Wolves' but not dogs' oxytocin and glucocorticoid concentrations correlated positively with territorial behaviors and only wolves showed increased glucocorticoid concentrations after separation from their pack. Together, results suggest stronger emotional activation to threats to group integrity in wolves than dogs, in line with their socio-ecology.
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Affiliation(s)
- Gwendolyn Wirobski
- Domestication Lab, Konrad-Lorenz-Institute for Ethology, University of Veterinary Medicine, Veterinaerplatz 1, 1210 Vienna, Austria
- Corresponding author
| | - Friederike Range
- Domestication Lab, Konrad-Lorenz-Institute for Ethology, University of Veterinary Medicine, Veterinaerplatz 1, 1210 Vienna, Austria
| | - Evelien A.M. Graat
- Domestication Lab, Konrad-Lorenz-Institute for Ethology, University of Veterinary Medicine, Veterinaerplatz 1, 1210 Vienna, Austria
| | - Rupert Palme
- Unit of Physiology, Pathophysiology and Experimental Endocrinology, Department of Biomedical Sciences, University of Veterinary Medicine, Veterinaerplatz 1, 1210 Vienna, Austria
| | - Tobias Deschner
- Institute of Cognitive Science, Comparative BioCognition, University of Osnabrück, Artilleriestrasse 34, 49076, Osnabrück, Germany
| | - Sarah Marshall-Pescini
- Domestication Lab, Konrad-Lorenz-Institute for Ethology, University of Veterinary Medicine, Veterinaerplatz 1, 1210 Vienna, Austria
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7
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O’Connell SR, Nave-Blodgett JE, Wilson GE, Hannon EE, Snyder JS. Elements of musical and dance sophistication predict musical groove perception. Front Psychol 2022; 13:998321. [PMID: 36467160 PMCID: PMC9712211 DOI: 10.3389/fpsyg.2022.998321] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 10/21/2022] [Indexed: 11/02/2023] Open
Abstract
Listening to groovy music is an enjoyable experience and a common human behavior in some cultures. Specifically, many listeners agree that songs they find to be more familiar and pleasurable are more likely to induce the experience of musical groove. While the pleasurable and dance-inducing effects of musical groove are omnipresent, we know less about how subjective feelings toward music, individual musical or dance experiences, or more objective musical perception abilities are correlated with the way we experience groove. Therefore, the present study aimed to evaluate how musical and dance sophistication relates to musical groove perception. One-hundred 24 participants completed an online study during which they rated 20 songs, considered high- or low-groove, and completed the Goldsmiths Musical Sophistication Index, the Goldsmiths Dance Sophistication Index, the Beat and Meter Sensitivity Task, and a modified short version of the Profile for Music Perception Skills. Our results reveal that measures of perceptual abilities, musical training, and social dancing predicted the difference in groove rating between high- and low-groove music. Overall, these findings support the notion that listeners' individual experiences and predispositions may shape their perception of musical groove, although other causal directions are also possible. This research helps elucidate the correlates and possible causes of musical groove perception in a wide range of listeners.
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Affiliation(s)
- Samantha R. O’Connell
- Caruso Department of Otolaryngology, Head and Neck Surgery, Keck School of Medicine of USC, University of Southern California, Los Angeles, CA, United States
| | | | - Grace E. Wilson
- Department of Psychology, University of Nevada, Las Vegas, NV, United States
| | - Erin E. Hannon
- Department of Psychology, University of Nevada, Las Vegas, NV, United States
| | - Joel S. Snyder
- Department of Psychology, University of Nevada, Las Vegas, NV, United States
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Duerler P, Vollenweider FX, Preller KH. A neurobiological perspective on social influence: Serotonin and social adaptation. J Neurochem 2022; 162:60-79. [PMID: 35274296 PMCID: PMC9322456 DOI: 10.1111/jnc.15607] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 02/26/2022] [Accepted: 03/02/2022] [Indexed: 01/09/2023]
Abstract
Humans are inherently social beings. Being suggestible to each other's expectations enables pro-social skills that are crucial for social learning and adaptation. Despite its high relevance for psychiatry, the neurobiological mechanisms underlying social adaptation are still not well understood. This review therefore provides a conceptual framework covering various distinct mechanisms underlying social adaptation and explores the neuropharmacology - in particular the role of the serotonin (5-HT) system - modulating these mechanisms. This article therefore reviews empirical results on social influence processing and reconciles them with recent findings from psychedelic research on social processing to elucidate neurobiological and neuropharmacological underpinnings of social adaptation. Various computational, neurobiological, and neurochemical processes are involved in distinct mechanisms underlying social adaptation such as the multisensory process of social information integration that is crucial for the forming of self-representation and representations of social norms. This is again associated with self- and other-perception during social interactions as well as value-based decision making that guides our behaviour in daily interactions. We highlight the critical role of 5-HT in these processes and suggest that 5-HT can facilitate social learning and may represent an important target for treating psychiatric disorders characterized by impairments in social functioning. This framework also has important implications for psychedelic-assisted therapy as well as for the development of novel treatment approaches and future research directions.
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Affiliation(s)
- Patricia Duerler
- Neuropsychopharmacology and Brain Imaging, Department of Psychiatry, Psychotherapy and Psychosomatics, University Hospital for Psychiatry Zurich, Lenggstr. 31, Zurich, Switzerland
| | - Franz X Vollenweider
- Neuropsychopharmacology and Brain Imaging, Department of Psychiatry, Psychotherapy and Psychosomatics, University Hospital for Psychiatry Zurich, Lenggstr. 31, Zurich, Switzerland
| | - Katrin H Preller
- Neuropsychopharmacology and Brain Imaging, Department of Psychiatry, Psychotherapy and Psychosomatics, University Hospital for Psychiatry Zurich, Lenggstr. 31, Zurich, Switzerland
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9
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Lee M, Lindo J, Rilling JK. Exploring gene-culture coevolution in humans by inferring neuroendophenotypes: A case study of the oxytocin receptor gene and cultural tightness. GENES, BRAIN, AND BEHAVIOR 2022; 21:e12783. [PMID: 35044077 PMCID: PMC8917075 DOI: 10.1111/gbb.12783] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 10/25/2021] [Accepted: 11/15/2021] [Indexed: 01/17/2023]
Abstract
The gene-culture coevolution (GCC) framework has gained increasing prominence in the social and biological sciences. While most studies on human GCC concern the evolution of low-level physiological traits, attempts have also been made to apply GCC to complex human traits, including social behavior and cognition. One major methodological challenge in this endeavor is to reconstruct a specific biological pathway between the implicated genes and their distal phenotypes. Here, we introduce a novel approach that combines data on population genetics and expression quantitative trait loci to infer the specific intermediate phenotypes of genes in the brain. We suggest that such "neuroendophenotypes" will provide more detailed mechanistic insights into the GCC process. We present a case study where we explored a GCC dynamics between the oxytocin receptor gene (OXTR) and cultural tightness-looseness. By combining data from the 1000 Genomes project and the Gene-Tissue-Expression project (GTEx), we estimated and compared OXTR expression in 10 brain regions across five human superpopulations. We found that OXTR expression in the anterior cingulate cortex (ACC) was highly variable across populations, and this variation correlated with cultural tightness and socio-ecological threats worldwide. The mediation models also suggested possible GCC dynamics where the increased OXTR expression in the ACC mediates or emerges from the tight culture and higher socio-ecological threats. Formal selection scans further confirmed that OXTR alleles linked to enhanced receptor expression in the ACC underwent positive selection in East Asian countries with tighter social norms. We discuss the implications of our method in human GCC research.
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Affiliation(s)
- Minwoo Lee
- Department of Anthropology, Emory UniversityAtlantaGeorgiaUSA
| | - John Lindo
- Department of Anthropology, Emory UniversityAtlantaGeorgiaUSA
| | - James K. Rilling
- Department of Anthropology, Emory UniversityAtlantaGeorgiaUSA,Department of Psychiatry and Behavioral Science, Emory UniversityAtlantaGeorgiaUSA,Center for Behavioral Neuroscience, Emory UniversityAtlantaGeorgiaUSA,Yerkes National Primate Research Center, Emory UniversityAtlantaGeorgiaUSA,Center for Translational Social Neuroscience, Emory UniversityAtlantaGeorgiaUSA
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10
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Wang P, Wang SC, Liu X, Jia S, Wang X, Li T, Yu J, Parpura V, Wang YF. Neural Functions of Hypothalamic Oxytocin and its Regulation. ASN Neuro 2022; 14:17590914221100706. [PMID: 35593066 PMCID: PMC9125079 DOI: 10.1177/17590914221100706] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Oxytocin (OT), a nonapeptide, has a variety of functions. Despite extensive studies on OT over past decades, our understanding of its neural functions and their regulation remains incomplete. OT is mainly produced in OT neurons in the supraoptic nucleus (SON), paraventricular nucleus (PVN) and accessory nuclei between the SON and PVN. OT exerts neuromodulatory effects in the brain and spinal cord. While magnocellular OT neurons in the SON and PVN mainly innervate the pituitary and forebrain regions, and parvocellular OT neurons in the PVN innervate brainstem and spinal cord, the two sets of OT neurons have close interactions histologically and functionally. OT expression occurs at early life to promote mental and physical development, while its subsequent decrease in expression in later life stage accompanies aging and diseases. Adaptive changes in this OT system, however, take place under different conditions and upon the maturation of OT release machinery. OT can modulate social recognition and behaviors, learning and memory, emotion, reward, and other higher brain functions. OT also regulates eating and drinking, sleep and wakefulness, nociception and analgesia, sexual behavior, parturition, lactation and other instinctive behaviors. OT regulates the autonomic nervous system, and somatic and specialized senses. Notably, OT can have different modulatory effects on the same function under different conditions. Such divergence may derive from different neural connections, OT receptor gene dimorphism and methylation, and complex interactions with other hormones. In this review, brain functions of OT and their underlying neural mechanisms as well as the perspectives of their clinical usage are presented.
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Affiliation(s)
- Ping Wang
- Department of Genetics, School of Basic Medical Sciences, Harbin Medical University, Harbin, China
| | - Stephani C. Wang
- Division of Cardiology, Department of Medicine, University of California-Irvine, Irvine, California, USA
| | - Xiaoyu Liu
- Department of Physiology, School of Basic Medical Sciences, Harbin Medical University, Harbin, China
| | - Shuwei Jia
- Department of Physiology, School of Basic Medical Sciences, Harbin Medical University, Harbin, China
| | - Xiaoran Wang
- Department of Physiology, School of Basic Medical Sciences, Harbin Medical University, Harbin, China
| | - Tong Li
- Department of Physiology, School of Basic Medical Sciences, Harbin Medical University, Harbin, China
- Neuroscience Laboratory for Translational Medicine, School of Mental Health, Qiqihar Medical University, Qiqihar, China
| | - Jiawei Yu
- Department of Physiology, School of Basic Medical Sciences, Harbin Medical University, Harbin, China
- Kerqin District Maternity & Child Healthcare Hospital, Tongliao, Inner Mongolia, China
| | - Vladimir Parpura
- Department of Neurobiology, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Yu-Feng Wang
- Department of Physiology, School of Basic Medical Sciences, Harbin Medical University, Harbin, China
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11
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Toiviainen P, Hartmann M. Analyzing multidimensional movement interaction with generalized cross-wavelet transform. Hum Mov Sci 2021; 81:102894. [PMID: 34798445 DOI: 10.1016/j.humov.2021.102894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 11/01/2021] [Accepted: 11/02/2021] [Indexed: 11/28/2022]
Abstract
Humans are able to synchronize with musical events whilst coordinating their movements with others. Interpersonal entrainment phenomena, such as dance, involve multiple body parts and movement directions. Along with being multidimensional, dance movement interaction is plurifrequential, since it can occur at different frequencies simultaneously. Moreover, it is prone to nonstationarity, due to, for instance, displacements around the dance floor. Various methodological approaches have been adopted for the study of human entrainment, but only spectrogram-based techniques allow for an integral analysis thereof. This article proposes an alternative approach based upon the cross-wavelet transform, a state-of-the-art technique for nonstationary and plurifrequential analysis of univariate interaction. The presented approach generalizes the cross-wavelet transform to multidimensional signals. It allows to identify, for different frequencies of movement, estimates of interaction and leader-follower dynamics across body parts and movement directions. Further, the generalized cross-wavelet transform can be used to quantify the frequency-wise contribution of individual body parts and movement directions to overall movement synchrony. Since both in- and anti-phase relationships are dominant modes of coordination, the proposed implementation ignores whether movements are identical or opposite in phase. The article provides a thorough mathematical description of the method and includes proofs of its invariance under translation, rotation, and reflection. Finally, its properties and performance are illustrated via four examples using simulated data and behavioral data collected through a mirror game task and a free dance movement task.
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Affiliation(s)
- Petri Toiviainen
- Department of Music, Art and Culture Studies, P.O.Box 35(M), 40014, University of Jyväskylä, Finland; Finnish Centre of Excellence in Music, Mind, Body and Brain, P.O. Box 35(M), 40014, University of Jyväskylä, Finland.
| | - Martín Hartmann
- Department of Music, Art and Culture Studies, P.O.Box 35(M), 40014, University of Jyväskylä, Finland; Finnish Centre of Excellence in Music, Mind, Body and Brain, P.O. Box 35(M), 40014, University of Jyväskylä, Finland.
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12
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Lieberz J, Shamay‐Tsoory SG, Saporta N, Esser T, Kuskova E, Stoffel‐Wagner B, Hurlemann R, Scheele D. Loneliness and the Social Brain: How Perceived Social Isolation Impairs Human Interactions. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2102076. [PMID: 34541813 PMCID: PMC8564426 DOI: 10.1002/advs.202102076] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 07/30/2021] [Indexed: 06/07/2023]
Abstract
Loneliness is a painful condition associated with increased risk for premature mortality. The formation of new, positive social relationships can alleviate feelings of loneliness, but requires rapid trustworthiness decisions during initial encounters and it is still unclear how loneliness hinders interpersonal trust. Here, a multimodal approach including behavioral, psychophysiological, hormonal, and neuroimaging measurements is used to probe a trust-based mechanism underlying impaired social interactions in loneliness. Pre-stratified healthy individuals with high loneliness scores (n = 42 out of a screened sample of 3678 adults) show reduced oxytocinergic and affective responsiveness to a positive conversation, report less interpersonal trust, and prefer larger social distances compared to controls (n = 40). Moreover, lonely individuals are rated as less trustworthy compared to controls and identified by the blinded confederate better than chance. During initial trust decisions, lonely individuals exhibit attenuated limbic and striatal activation and blunted functional connectivity between the anterior insula and occipitoparietal regions, which correlates with the diminished affective responsiveness to the positive social interaction. This neural response pattern is not mediated by loneliness-associated psychological symptoms. Thus, the results indicate compromised integration of trust-related information as a shared neurobiological component in loneliness, yielding a reciprocally reinforced trust bias in social dyads.
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Affiliation(s)
- Jana Lieberz
- Division of Medical PsychologyDepartment of Psychiatry and PsychotherapyUniversity Hospital Bonn53105BonnGermany
| | | | - Nira Saporta
- Department of PsychologyUniversity of HaifaHaifa3498838Israel
| | - Timo Esser
- Division of Medical PsychologyDepartment of Psychiatry and PsychotherapyUniversity Hospital Bonn53105BonnGermany
| | - Ekaterina Kuskova
- Division of Medical PsychologyDepartment of Psychiatry and PsychotherapyUniversity Hospital Bonn53105BonnGermany
| | - Birgit Stoffel‐Wagner
- Institute of Clinical Chemistry and Clinical PharmacologyUniversity of Bonn53105BonnGermany
| | - René Hurlemann
- Department of PsychiatrySchool of Medicine and Health SciencesUniversity of Oldenburg26129OldenburgGermany
- Research Center Neurosensory ScienceUniversity of Oldenburg26129OldenburgGermany
| | - Dirk Scheele
- Division of Medical PsychologyDepartment of Psychiatry and PsychotherapyUniversity Hospital Bonn53105BonnGermany
- Department of PsychiatrySchool of Medicine and Health SciencesUniversity of Oldenburg26129OldenburgGermany
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Thorson KR, McKernan SM, West TV, Woolley JD, Mendes WB, Stauffer CS. Oxytocin increases physiological linkage during group therapy for methamphetamine use disorder: a randomized clinical trial. Sci Rep 2021; 11:21004. [PMID: 34697392 PMCID: PMC8546069 DOI: 10.1038/s41598-021-99957-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 09/22/2021] [Indexed: 11/24/2022] Open
Abstract
Patients and psychotherapists often exhibit behavioral, psychological, and physiological similarity. Here, we test whether oxytocin—a neuropeptide that can enhance expressivity and social perception—influences time-lagged “linkage” of autonomic nervous system responses among participants and facilitators during group therapy. Physiological linkage estimates (n = 949) were created from ten cohorts, each with two facilitators (n = 5) and four to six participants (n = 48), over six weekly sessions of group therapy for methamphetamine use disorder. All participants of a cohort received oxytocin or placebo intranasally in a randomized double-blind procedure before each session. Cardiac interbeat intervals (IBI) were measured continuously during sessions to estimate physiological linkage, operationalized as one cohort-mate’s IBI reactivity during one minute predicting another cohort-mate’s IBI reactivity during the following minute. In oxytocin cohorts, participants and facilitators experienced significant physiological linkage to their cohort-mates (i.e., their physiological responses were predicted by the prior responses of their cohort-mates) and significantly more linkage than people in placebo cohorts. Both effects occurred during the first and second sessions but not later sessions. Results suggest that oxytocin may enhance psychosocial processes often associated with linkage—such as social engagement—in groups and highlight oxytocin’s potential to improve group cohesion during group therapy. Clinical Trials Registration: NCT02881177, First published on 26/08/2016.
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Affiliation(s)
- Katherine R Thorson
- Department of Psychology, Barnard College of Columbia University, 3009 Broadway, New York, NY, 10027, USA.
| | - Scott M McKernan
- Department of Psychiatry, University of California San Francisco, San Francisco, CA, USA
| | - Tessa V West
- Department of Psychology, New York University, New York, NY, USA
| | - Joshua D Woolley
- Department of Psychiatry, University of California San Francisco, San Francisco, CA, USA.,San Francisco Veterans Affairs Health Care System, 4150 Clement St, San Francisco, CA, 94121, USA
| | - Wendy Berry Mendes
- Department of Psychiatry, University of California San Francisco, San Francisco, CA, USA
| | - Christopher S Stauffer
- Department of Psychiatry, University of California San Francisco, San Francisco, CA, USA. .,Department of Psychiatry, Oregon Health & Science University, Portland, OR, USA. .,Portland VA Medical Center, 1601 E 4th Plain Blvd (V3SATP), Vancouver, WA, 98661, USA.
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14
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Abstract
Despite acknowledging that musicality evolved to serve multiple adaptive functions in human evolution, Savage et al. promote social bonding to an overarching super-function. Yet, no unifying neurobiological framework is offered. We propose that oxytocin constitutes a socio-allostatic agent whose modulation of sensing, learning, prediction, and behavioral responses with reference to the physical and social environment facilitates music's social bonding effects.
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15
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Su WC, Culotta M, Tsuzuki D, Bhat A. Movement kinematics and cortical activation in children with and without autism spectrum disorder during sway synchrony tasks: an fNIRS study. Sci Rep 2021; 11:15035. [PMID: 34294815 PMCID: PMC8298433 DOI: 10.1038/s41598-021-94519-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 07/06/2021] [Indexed: 02/07/2023] Open
Abstract
Children with Autism Spectrum Disorder (ASD) have difficulties with socially embedded movements such as imitation and interpersonal synchrony (IPS); however, related movement characteristics and underlying neural mechanisms are not well understood. This study compared the movement characteristics and cortical activation patterns of children with and without ASD during a whole-body, sway synchrony task when different levels of social information were provided. Thirty children with and without ASD (mean age: 12.6 years, SE: 0.6 years) participated. Movement kinematics and fNIRS-based cortical activation were recorded when the child observed an adult tester sway side to side, when they swayed solo, or when they swayed face to face with the tester with or without fingertips touching (i.e., IPS). Children with ASD showed reduced synchrony and smaller sway amplitude compared to typically developing children without ASD. They showed reduced cortical activation over the inferior frontal gyrus and superior temporal sulcus during IPS and did not show significant increase in cortical activation when more social information was provided. The cortical activation findings were significantly associated with IPS behaviors and social communication performance. The ASD-related neurobiomarkers identified in our study could be used as objective measures to evaluate intervention effects in children with ASD.
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Affiliation(s)
- Wan-Chun Su
- grid.33489.350000 0001 0454 4791Department of Physical Therapy, University of Delaware, 540 South College Avenue, Newark, DE USA ,grid.33489.350000 0001 0454 4791Biomechanics and Movement Science Program, University of Delaware, Newark, DE USA
| | - McKenzie Culotta
- grid.33489.350000 0001 0454 4791Department of Physical Therapy, University of Delaware, 540 South College Avenue, Newark, DE USA ,grid.33489.350000 0001 0454 4791Biomechanics and Movement Science Program, University of Delaware, Newark, DE USA
| | - Daisuke Tsuzuki
- grid.265074.20000 0001 1090 2030Department of Language Sciences, Tokyo Metropolitan University, Tokyo, Japan
| | - Anjana Bhat
- grid.33489.350000 0001 0454 4791Department of Physical Therapy, University of Delaware, 540 South College Avenue, Newark, DE USA ,grid.33489.350000 0001 0454 4791Biomechanics and Movement Science Program, University of Delaware, Newark, DE USA ,grid.33489.350000 0001 0454 4791Department of Psychological and Brain Sciences, University of Delaware, Newark, DE USA
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16
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Ladda AM, Wallwork SB, Lotze M. Multimodal Sensory-Spatial Integration and Retrieval of Trained Motor Patterns for Body Coordination in Musicians and Dancers. Front Psychol 2020; 11:576120. [PMID: 33312150 PMCID: PMC7704436 DOI: 10.3389/fpsyg.2020.576120] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 10/27/2020] [Indexed: 12/26/2022] Open
Abstract
Dancers and musicians are experts in spatial and temporal processing, which allows them to coordinate movement with music. This high-level processing has been associated with structural and functional adaptation of the brain for high performance sensorimotor integration. For these integration processes, adaptation does not only take place in primary and secondary sensory and motor areas but also in tertiary brain areas, such as the lateral prefrontal cortex (lPFC) and the intraparietal sulcus (IPS), providing vital resources for highly specialized performance. Here, we review evidence for the role of these brain areas in multimodal training protocols and integrate these findings into a new model of sensorimotor processing in complex motor learning.
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Affiliation(s)
- Aija Marie Ladda
- Functional Imaging Unit, Diagnostic Radiology and Neuroradiology, University of Greifswald, Greifswald, Germany
| | - Sarah B. Wallwork
- IIMPACT in Health, Allied Health and Human Performance, University of South Australia, Adelaide, SA, Australia
| | - Martin Lotze
- Functional Imaging Unit, Diagnostic Radiology and Neuroradiology, University of Greifswald, Greifswald, Germany
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17
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Goldstein P, Losin EAR, Anderson SR, Schelkun VR, Wager TD. Clinician-Patient Movement Synchrony Mediates Social Group Effects on Interpersonal Trust and Perceived Pain. THE JOURNAL OF PAIN 2020; 21:1160-1174. [PMID: 32544602 PMCID: PMC7722052 DOI: 10.1016/j.jpain.2020.03.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 02/24/2020] [Accepted: 03/22/2020] [Indexed: 12/19/2022]
Abstract
Pain is an unfortunate consequence of many medical procedures, which in some patients becomes chronic and debilitating. Among the factors affecting medical pain, clinician-patient (C-P) similarity and nonverbal communication are particularly important for pain diagnosis and treatment. Participants (N = 66) were randomly assigned to clinician and patient roles and were grouped into C-P dyads. Clinicians administered painful stimuli to patients as an analogue of a painful medical procedure. We manipulated the perceived C-P similarity of each dyad using groups ostensibly based on shared beliefs and values, and each patient was tested twice: Once with a same group clinician (concordant, CC) and once with a clinician from the other group (discordant, DC). Movement synchrony was calculated as a marker of nonverbal communication. We tested whether movement synchrony mediated the effects of group concordance on patients' pain and trust in the clinician. Movement synchrony was higher in CC than DC dyads. Higher movement synchrony predicted reduced pain and increased trust in the clinician. Movement synchrony also formally mediated the group concordance effects on pain and trust. These findings increase our understanding of the role of nonverbal C-P communication on pain and related outcomes. Interpersonal synchrony may be associated with better pain outcomes, independent of the specific treatment provided. PERSPECTIVE: This article demonstrates that movement synchrony in C-P interactions is an unobtrusive measure related to their relationship quality, trust toward the clinician, and pain. These findings suggest that interpersonal synchrony may be associated with better patient outcomes, independent of the specific treatment provided.
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Affiliation(s)
- Pavel Goldstein
- Institute of Cognitive Science, University of Colorado, Boulder, Colorado; The School of Public Health, University of Haifa, Israel
| | | | | | - Victoria R Schelkun
- Department of Psychological and Brain Sciences, Dartmouth College, Hanover, New Hampshire
| | - Tor D Wager
- Department of Psychological and Brain Sciences, Dartmouth College, Hanover, New Hampshire; Department of Psychology and Neuroscience, University of Colorado, Boulder, Colorado.
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18
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Marton-Alper IZ, Gvirts-Provolovski HZ, Nevat M, Karklinsky M, Shamay-Tsoory SG. Herding in human groups is related to high autistic traits. Sci Rep 2020; 10:17957. [PMID: 33087785 PMCID: PMC7578000 DOI: 10.1038/s41598-020-74951-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 09/28/2020] [Indexed: 11/25/2022] Open
Abstract
Herding is ubiquitous throughout all social life forms, providing beneficial outcomes. Here, we examine whether herding emerges spontaneously in human groups and whether it adheres to the core principles of herding observed in the animal kingdom. Using a computerized paradigm involving the movements of circles, we tested the emergence of spontaneous and intentional herding of 136 participants assigned into groups of four participants. Herding was assessed by measuring directional synchrony in the movements of the circles, level of cohesion, and separation between circles. We found that human groups tend to spontaneously herd, particularly in terms of directional synchrony, supporting the notion of a human herding instinct. We further asked whether individuals with high traits of Autism Spectrum Disorder (ASD) exhibit differences in their herding tendencies. Results indicated that individuals with high ASD traits showed greater social separation from the group, compared to individuals with low ASD traits. Moreover, we found diminished spontaneous synchrony, but intact instructed synchrony in the high vs. the low ASD traits group. We contend that humans spontaneously herd with their group and suggest that the spontaneous tendency to synchronize with others is diminished in individuals with high ASD traits, though it is recovered when synchronization is intentional.
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Affiliation(s)
| | | | - M Nevat
- Department of Psychology, University of Haifa, Haifa, Israel
| | - M Karklinsky
- Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel
| | - S G Shamay-Tsoory
- Department of Psychology, University of Haifa, Haifa, Israel
- Integrated Brain and Behavior Research Center (IBBRC), Haifa, Israel
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19
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Morrison TE, De Coster L, Stauffer CS, Wen J, Ahmadi E, Delucchi K, O’Donovan A, Woolley J. Automatic Imitation in Comorbid PTSD & Alcohol Use Disorder and Controls: an RCT of Intranasal Oxytocin. Psychoneuroendocrinology 2020; 120:104787. [PMID: 32745891 PMCID: PMC7502459 DOI: 10.1016/j.psyneuen.2020.104787] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 06/29/2020] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Mimicking movements of others makes both the imitating and imitated partners feel closer. Oxytocin may increase focus on others and has been shown to increase automatic imitation in healthy controls (HC). However, this has not been replicated, and oxytocin's effects on automatic imitation have not been demonstrated in clinical populations. This study attempts to replicate effects on HC and examine effects on people with comorbid posttraumatic stress disorder and alcohol use disorder (PTSD-AUD). METHODS Fifty-four males with PTSD-AUD and 43 male HC received three intranasal treatment conditions (placebo, oxytocin 20 International Units (IU), and oxytocin 40 IU) in a randomized order, across three separate testing days, as part of a double-blind, crossover parent study. At 135 min post-administration, each performed the imitation-inhibition task, which quantifies automatic imitation as the congruency effect (CE). After exclusions, the final analyzed data set included 49 participants with PTSD-AUD and 38 HC. RESULTS In HC, oxytocin 20 IU demonstrated a statistically significant increase in CE, and 40 IU showed a trend-level increase. In PTSD-AUD, oxytocin did not significantly increase CE. Post-hoc analysis showed the PTSD-AUD group had higher CE than HC on placebo visits. DISCUSSION Our data suggest PTSD-AUD is associated with higher automatic imitation than HC in the absence of oxytocin administration. We successfully replicated findings that oxytocin increases automatic imitation in HC. This demonstrates an unconscious motor effect induced by oxytocin, likely relevant to more complex forms of imitative movements, which have the potential to improve social connection. We did not find a significant effect of oxytocin on automatic imitation in PTSD-AUD. Future research should examine imitation in both sexes, at peak oxytocin levels, and on increasingly complex forms of imitation.
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Affiliation(s)
- Tyler E. Morrison
- Department of Psychiatry at University of California San Francisco School of Medicine 401 Parnassus Ave (Box 0984 RTP), San Francisco, CA, 94143, USA; (415) 476-7000
| | - Lize De Coster
- Department of Psychiatry at University of California San Francisco School of Medicine, 401 Parnassus Ave (Box 0984 RTP), San Francisco, CA, 94143, USA; VA San Francisco Healthcare System, 4150 Clement St (116C-1), San Francisco, CA, 94121, USA.
| | - Christopher S. Stauffer
- VA San Francisco Healthcare System 4150 Clement St (116C-1), San Francisco, CA, 94121 ,USA; Tel.: (415) 221-4810; Fax: (415) 379-5667
| | - Jin Wen
- VA San Francisco Healthcare System, 4150 Clement St (116C-1), San Francisco, CA, 94121, USA.
| | - Elnaz Ahmadi
- VA San Francisco Healthcare System, 4150 Clement St (116C-1), San Francisco, CA, 94121, USA.
| | - Kevin Delucchi
- Department of Psychiatry at University of California San Francisco School of Medicine, 401 Parnassus Ave (Box 0984 RTP), San Francisco, CA, 94143, USA.
| | - Aoife O’Donovan
- Department of Psychiatry at University of California San Francisco School of Medicine 401 Parnassus Ave (Box 0984 RTP), San Francisco, CA, 94143, USA; (415) 476-7000,VA San Francisco Healthcare System 4150 Clement St (116C-1), San Francisco, CA, 94121 ,USA; Tel.: (415) 221-4810; Fax: (415) 379-5667
| | - Josh Woolley
- Department of Psychiatry at University of California San Francisco School of Medicine, 401 Parnassus Ave (Box 0984 RTP), San Francisco, CA, 94143, USA; VA San Francisco Healthcare System, 4150 Clement St (116C-1), San Francisco, CA, 94121, USA.
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20
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Abstract
Abstract
Why do humans make music? Theories of the evolution of musicality have focused mainly on the value of music for specific adaptive contexts such as mate selection, parental care, coalition signaling, and group cohesion. Synthesizing and extending previous proposals, we argue that social bonding is an overarching function that unifies all of these theories, and that musicality enabled social bonding at larger scales than grooming and other bonding mechanisms available in ancestral primate societies. We combine cross-disciplinary evidence from archaeology, anthropology, biology, musicology, psychology, and neuroscience into a unified framework that accounts for the biological and cultural evolution of music. We argue that the evolution of musicality involves gene-culture coevolution, through which proto-musical behaviors that initially arose and spread as cultural inventions had feedback effects on biological evolution due to their impact on social bonding. We emphasize the deep links between production, perception, prediction, and social reward arising from repetition, synchronization, and harmonization of rhythms and pitches, and summarize empirical evidence for these links at the levels of brain networks, physiological mechanisms, and behaviors across cultures and across species. Finally, we address potential criticisms and make testable predictions for future research, including neurobiological bases of musicality and relationships between human music, language, animal song, and other domains. The music and social bonding (MSB) hypothesis provides the most comprehensive theory to date of the biological and cultural evolution of music.
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21
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Ramseyer F, Ebert A, Roser P, Edel M, Tschacher W, Brüne M. Exploring nonverbal synchrony in borderline personality disorder: A double‐blind placebo‐controlled study using oxytocin. BRITISH JOURNAL OF CLINICAL PSYCHOLOGY 2019; 59:186-207. [DOI: 10.1111/bjc.12240] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 06/27/2019] [Indexed: 12/14/2022]
Affiliation(s)
- Fabian Ramseyer
- Department of Clinical Psychology and Psychotherapy Institute of Psychology University of Bern Switzerland
| | - Andreas Ebert
- Division of Social Neuropsychiatry and Evolutionary Medicine Department of Psychiatry, Psychotherapy and Preventive Medicine LWL University Hospital BochumRuhr‐University Bochum Germany
| | - Patrik Roser
- Centre for Addiction Disorders Psychiatric Hospital Königsfelden Psychiatric Services Aargau Academic Hospital of the University of Zurich Switzerland
| | | | - Wolfgang Tschacher
- Department of Experimental Psychology University Hospital of Psychiatry and Psychotherapy University of Bern Switzerland
| | - Martin Brüne
- Division of Social Neuropsychiatry and Evolutionary Medicine Department of Psychiatry, Psychotherapy and Preventive Medicine LWL University Hospital BochumRuhr‐University Bochum Germany
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22
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Galbusera L, Finn MTM, Tschacher W, Kyselo M. Interpersonal synchrony feels good but impedes self-regulation of affect. Sci Rep 2019; 9:14691. [PMID: 31604966 PMCID: PMC6789117 DOI: 10.1038/s41598-019-50960-0] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 09/19/2019] [Indexed: 02/04/2023] Open
Abstract
The social benefits of interpersonal synchrony are widely recognized. Yet, little is known about its impact on the self. According to enactive cognitive science, the human self for its stability and regulation needs to balance social attunement with disengagement from others. Too much interpersonal synchrony is considered detrimental for a person’s ability to self-regulate. In this study, 66 adults took part in the Body-Conversation Task (BCT), a dyadic movement task promoting spontaneous social interaction. Using whole-body behavioural imaging, we investigated the simultaneous impact of interpersonal synchrony (between persons) and intrapersonal synchrony (within a person) on positive affect and self-regulation of affect. We hypothesized that interpersonal synchrony’s known tendency to increase positive affect would have a trade-off, decreasing a person’s ability to self-regulate affect. Interpersonal synchrony predicted an increase in positive affect. Consistent with our hypothesis, it simultaneously predicted a weakening in self-regulation of affect. Intrapersonal synchrony, however, tended to oppose these effects. Our findings challenge the widespread belief that harmony with others has only beneficial effects, pointing to the need to better understand the impact of interaction dynamics on the stability and regulation of the human self.
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Affiliation(s)
- Laura Galbusera
- Inter-Self Lab, Institute of Philosophy, History of Literature, Science and Technology, Technische Universität Berlin, Berlin, Germany. .,Brandenburg Medical School, Department of Psychiatry and Psychotherapy, Immanuel Klinik Rüdersdorf, Rüdersdorf, Germany.
| | - Michael T M Finn
- Inter-Self Lab, Institute of Philosophy, History of Literature, Science and Technology, Technische Universität Berlin, Berlin, Germany. .,Osher Center for Integrative Medicine, Vanderbilt University Medical Center, Nashville, TN, USA.
| | - Wolfgang Tschacher
- University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland
| | - Miriam Kyselo
- Inter-Self Lab, Institute of Philosophy, History of Literature, Science and Technology, Technische Universität Berlin, Berlin, Germany
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