The role of the cerebellum in explicit and incidental processing of facial emotional expressions: A study with transcranial magnetic stimulation

Chiara Ferrari, Viola Oldrati, Marcello Gallucci, Tomaso Vecchi, Zaira Cattaneo

Research output: Contribution to journalArticle

Abstract

Growing evidence suggests that the cerebellum plays a critical role in non-motor functions, contributing to cognitive and affective processing. In particular, the cerebellum might represent an important node of the “limbic” network, underlying not only emotion regulation but also emotion perception and recognition. Here, we used transcranial magnetic stimulation (TMS) to shed further light on the role of the cerebellum in emotional perception by specifically testing cerebellar contribution to explicit and incidental emotional processing. In particular, in three different experiments, we found that TMS over the (left) cerebellum impaired participants’ ability to categorize facial emotional expressions (explicit task) and to classify the gender of emotional faces (incidental emotional processing task), but not the gender of neutral faces. Overall, our results indicate that the cerebellum is involved in perceiving the emotional content of facial stimuli, even when this is task irrelevant.

Original languageEnglish
Pages (from-to)256-264
Number of pages9
JournalNeuroImage
Volume169
DOIs
Publication statusPublished - Apr 1 2018

Keywords

  • Cerebellum
  • Emotion discrimination
  • Face processing
  • Incidental emotional processing
  • TMS

ASJC Scopus subject areas

  • Neurology
  • Cognitive Neuroscience

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