Getting ready for an emotion

Specific premotor brain activities for self-administered emotional pictures

Rinaldo L. Perri, Marika Berchicci, Giuliana Lucci, Rocco L. Cimmino, Annalisa Bello, Francesco Di Russo

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Emotional perception has been extensively studied, but only a few studies have investigated the brain activity preceding exposure to emotional stimuli, especially when they are triggered by the subject himself. Here, we sought to investigate the emotional expectancy by means of movement related cortical potentials (MRCPs) in a self-paced task, in which the subjects begin the affective experience by pressing a key. In this experiment, participants had to alternatively press two keys to concomitantly display positive, negative, neutral, and scrambled images extracted from the International Affective Pictures System (IAPS). Each key press corresponded to a specific emotional category, and the experimenter communicated the coupling before each trial so that the subjects always knew the valence of the forthcoming picture. The main results of the present study included a bilateral positive activity in prefrontal areas during expectancy of more arousing pictures (positive and negative) and an early and sustained positivity over occipital areas, especially during negative expectancy. In addition, we observed more pronounced and anteriorly distributed Late Positive Potential (LPPs) components in the emotional conditions. In conclusion, these results show that emotional expectancy can influence brain activity in both motor preparation and stimulus perception, suggesting enhanced pre-processing in the to-be-stimulated areas. We propose that before a predictable emotional stimulus, both appetitive and defensive motivational systems act to facilitate the forthcoming processing of survival-relevant contents by means of an enhancement of attention toward more arousing pictures.

Original languageEnglish
Article number197
JournalFrontiers in Behavioral Neuroscience
Volume8
Issue numberMAY
DOIs
Publication statusPublished - May 28 2014

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Emotions
Brain

Keywords

  • Emotions
  • Event Related Potentials (ERPs)
  • Expectancy
  • Late Positive Potentials (LPPs)
  • Movement Related Cortical Potentials (MRCPs)

ASJC Scopus subject areas

  • Behavioral Neuroscience
  • Cognitive Neuroscience
  • Neuropsychology and Physiological Psychology

Cite this

Getting ready for an emotion : Specific premotor brain activities for self-administered emotional pictures. / Perri, Rinaldo L.; Berchicci, Marika; Lucci, Giuliana; Cimmino, Rocco L.; Bello, Annalisa; Di Russo, Francesco.

In: Frontiers in Behavioral Neuroscience, Vol. 8, No. MAY, 197, 28.05.2014.

Research output: Contribution to journalArticle

Perri, Rinaldo L. ; Berchicci, Marika ; Lucci, Giuliana ; Cimmino, Rocco L. ; Bello, Annalisa ; Di Russo, Francesco. / Getting ready for an emotion : Specific premotor brain activities for self-administered emotional pictures. In: Frontiers in Behavioral Neuroscience. 2014 ; Vol. 8, No. MAY.
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