Models of brain asymmetry in emotional processing

AUTOR(ES)

Alves, Nelson Torro, Fukusima, Sérgio S., Aznar-Casanova, J. Antonio

FONTE

Psychology & Neuroscience

DATA DE PUBLICAÇÃO

2008-06

RESUMO

Two models of brain asymmetry in emotional processing were reviewed: the right hemisphere and the valence hypotheses. The first states a dominant role for the right hemisphere in emotional processing, whereas the second assumes that the left hemisphere is dominant for positive emotions and the right hemisphere for negative ones. Different methods, such as the divided visual field technique, have supported both hypotheses. The amygdala and the prefrontal cortex are presented as important structures involved on brain asymmetry in emotional processing. The paper ends pointing out new perspectives for the study of the neural subtrates of different components of emotions.

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