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Publication . Article . 2021

The neural bases of tactile vitality forms and their modulation by social context

Giacomo Rizzolatti; A. D’Alessio; M. Marchi; G. Di Cesare;
Open Access  
Abstract
People communicate using speech, gestures, and, less frequently, touches. An example of tactile communication is represented by handshake. Customs surrounding handshake vary in different cultures. In Western societies is mostly used when meeting, parting, as a sign of congratulations or at the end of a successful business. Despite its importance in social life, the neural mechanism underlying the affective components conveyed by handshake (“tactile vitality forms”) is unknown. Here we combined functional magnetic resonance imaging (fMRI) and electromyography (EMG), to investigate the neural affective activations during handshakes. We demonstrated that handshake conveying gentle or aggressive tactile vitality forms produces a stronger activation of the dorso-central insula. The simultaneous presence of emotional facial expressions modulates the activation of this insular sector. Finally, we provide evidence that the cingulate cortex is involved in the processing of facial expressions conveying different vitality forms.
Subjects by Vocabulary

Microsoft Academic Graph classification: Insula Gesture Psychology Functional magnetic resonance imaging medicine.diagnostic_test medicine Handshake Facial expression Vitality Social neuroscience Communication business.industry business Cognitive neuroscience

Subjects

Medicine, R, Science, Q, Multidisciplinary, Article, Neuroscience, Cognitive neuroscience, Social neuroscience, Human behaviour

Funded by
EC| wHiSPER
Project
wHiSPER
investigating Human Shared PErception with Robots
  • Funder: European Commission (EC)
  • Project Code: 804388
  • Funding stream: H2020 | ERC | ERC-STG
Validated by funder
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Scientific Reports
Article . 2021
Providers: PubMed Central