Visuo-motor affective interplay : bonding scenes promote implicit motor pre-dispositions associated with social grooming – a pilot study.
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2022
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Resumo
Proximity and interpersonal contact are prominent components of social connection.
Giving affective touch to others is fundamental for human bonding. This brief report
presents preliminary results from a pilot study. It explores if exposure to bonding
scenes impacts the activity of specific muscles related to physical interaction. Fingers
flexion is a very important component when performing most actions of affectionate
contact. We explored the visuo-motor affective interplay by priming participants with
bonding scenes and assessing the electromyographic activity of the fingers flexor
muscle, in the absence of any overt movements. Photographs of dyads in social
interaction and of the same dyads not interacting were employed. We examined
the effects upon the electromyographical activity: (i) during the passive exposure to
pictures, and (ii) during picture offset and when expecting the signal to perform a fingers
flexion task. Interacting dyads compared to matched non-interacting dyads increased
electromyographic activity of the fingers flexor muscle in both contexts. Specific capture
of visual bonding cues at the level of visual cortex had been described in the literature.
Here we showed that the neural processing of visual bonding cues reaches the fingers
flexor muscle. Besides, previous visualization of bonding cues enhanced background
electromyographic activity during motor preparation to perform the fingers flexion task,
which might reflect a sustained leakage of central motor activity downstream leading to
increase in firing of the respective motor neurons. These data suggest, at the effector
level, an implicit visuo-motor connection in which social interaction cues evoke intrinsic
dispositions toward affectionate social behavior.
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Social touch, Bonding scenes, Fingers flexor muscle, Social grooming
Citação
GRICHTCHOUK, O. et al. Visuo-motor affective interplay: bonding scenes promote implicit motor pre-dispositions associated with social grooming – a pilot study. Frontiers in Psychology, v. 13, artigo 817699, abr. 2022. Disponível em: <https://www.frontiersin.org/articles/10.3389/fpsyg.2022.817699/full>. Acesso em: 01 ago. 2023.