Inter-Brain Synchronization During Sandplay Therapy: Individual Analyses

Interactions between the client (Cl) and therapist (Th) evolve therapeutic relationships in psychotherapy. An interpersonal link or therapeutic space is implicitly developed, wherein certain important elements are expressed and shared. However, neural basis of psychotherapy, especially of non-verbal...

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Autores principales: Michiko Akimoto, Takuma Tanaka, Junko Ito, Yasutaka Kubota, Akitoshi Seiyama
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Lenguaje:EN
Publicado: Frontiers Media S.A. 2021
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Acceso en línea:https://doaj.org/article/200cf82c4ea64639b59b3fce40b1fcb1
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spelling oai:doaj.org-article:200cf82c4ea64639b59b3fce40b1fcb12021-11-30T14:02:40ZInter-Brain Synchronization During Sandplay Therapy: Individual Analyses1664-107810.3389/fpsyg.2021.723211https://doaj.org/article/200cf82c4ea64639b59b3fce40b1fcb12021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fpsyg.2021.723211/fullhttps://doaj.org/toc/1664-1078Interactions between the client (Cl) and therapist (Th) evolve therapeutic relationships in psychotherapy. An interpersonal link or therapeutic space is implicitly developed, wherein certain important elements are expressed and shared. However, neural basis of psychotherapy, especially of non-verbal modalities, have scarcely been explored. Therefore, we examined the neural backgrounds of such therapeutic alliances during sandplay, a powerful art/play therapy technique. Real-time and simultaneous measurement of hemodynamics was conducted in the prefrontal cortex (PFC) of Cl-Th pairs participating in sandplay and subsequent interview sessions through multichannel near-infrared spectroscopy. As sandplay is highly individualized, and no two sessions and products (sandtrays) are the same, we expected variation in interactive patterns in the Cl–Th pairs. Nevertheless, we observed a statistically significant correlation between the spatio-temporal patterns in signals produced by the homologous regions of the brains. During the sandplay condition, significant correlations were obtained in the lateral PFC and frontopolar (FP) regions in the real Cl-Th pairs. Furthermore, a significant correlation was observed in the FP region for the interview condition. The correlations found in our study were explained as a “remote” synchronization (i.e., unconnected peripheral oscillators synchronizing through a hub maintaining free desynchronized dynamics) between two subjects in a pair, possibly representing the neural foundation of empathy, which arises commonly in sandplay therapy (ST).Michiko AkimotoTakuma TanakaJunko ItoYasutaka KubotaAkitoshi SeiyamaFrontiers Media S.A.articlesocial interactionsandplay therapyNIRShyperscanningnonverbal psychotherapysynchronizationPsychologyBF1-990ENFrontiers in Psychology, Vol 12 (2021)
institution DOAJ
collection DOAJ
language EN
topic social interaction
sandplay therapy
NIRS
hyperscanning
nonverbal psychotherapy
synchronization
Psychology
BF1-990
spellingShingle social interaction
sandplay therapy
NIRS
hyperscanning
nonverbal psychotherapy
synchronization
Psychology
BF1-990
Michiko Akimoto
Takuma Tanaka
Junko Ito
Yasutaka Kubota
Akitoshi Seiyama
Inter-Brain Synchronization During Sandplay Therapy: Individual Analyses
description Interactions between the client (Cl) and therapist (Th) evolve therapeutic relationships in psychotherapy. An interpersonal link or therapeutic space is implicitly developed, wherein certain important elements are expressed and shared. However, neural basis of psychotherapy, especially of non-verbal modalities, have scarcely been explored. Therefore, we examined the neural backgrounds of such therapeutic alliances during sandplay, a powerful art/play therapy technique. Real-time and simultaneous measurement of hemodynamics was conducted in the prefrontal cortex (PFC) of Cl-Th pairs participating in sandplay and subsequent interview sessions through multichannel near-infrared spectroscopy. As sandplay is highly individualized, and no two sessions and products (sandtrays) are the same, we expected variation in interactive patterns in the Cl–Th pairs. Nevertheless, we observed a statistically significant correlation between the spatio-temporal patterns in signals produced by the homologous regions of the brains. During the sandplay condition, significant correlations were obtained in the lateral PFC and frontopolar (FP) regions in the real Cl-Th pairs. Furthermore, a significant correlation was observed in the FP region for the interview condition. The correlations found in our study were explained as a “remote” synchronization (i.e., unconnected peripheral oscillators synchronizing through a hub maintaining free desynchronized dynamics) between two subjects in a pair, possibly representing the neural foundation of empathy, which arises commonly in sandplay therapy (ST).
format article
author Michiko Akimoto
Takuma Tanaka
Junko Ito
Yasutaka Kubota
Akitoshi Seiyama
author_facet Michiko Akimoto
Takuma Tanaka
Junko Ito
Yasutaka Kubota
Akitoshi Seiyama
author_sort Michiko Akimoto
title Inter-Brain Synchronization During Sandplay Therapy: Individual Analyses
title_short Inter-Brain Synchronization During Sandplay Therapy: Individual Analyses
title_full Inter-Brain Synchronization During Sandplay Therapy: Individual Analyses
title_fullStr Inter-Brain Synchronization During Sandplay Therapy: Individual Analyses
title_full_unstemmed Inter-Brain Synchronization During Sandplay Therapy: Individual Analyses
title_sort inter-brain synchronization during sandplay therapy: individual analyses
publisher Frontiers Media S.A.
publishDate 2021
url https://doaj.org/article/200cf82c4ea64639b59b3fce40b1fcb1
work_keys_str_mv AT michikoakimoto interbrainsynchronizationduringsandplaytherapyindividualanalyses
AT takumatanaka interbrainsynchronizationduringsandplaytherapyindividualanalyses
AT junkoito interbrainsynchronizationduringsandplaytherapyindividualanalyses
AT yasutakakubota interbrainsynchronizationduringsandplaytherapyindividualanalyses
AT akitoshiseiyama interbrainsynchronizationduringsandplaytherapyindividualanalyses
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