For the first time, researchers at the University Medical Center of Geneva, Switzerland, have identified spatial signatures of emotion in the primary auditory cortex (PAC). This area located in the temporal lobes at the side of the brain (responsible for the sensation of sound) react more strongly to emotional vocalisations (anger, sadness, relief and joy) than to neutrality. Understanding emotions is vital to social skills. This may help to unravel what is going on in the brain in conditionn such as Schizophrenia, Autism, and even depression.
http://www.newscientist.com/article/dn17133-emotional-speech-leaves-signature-on-the-brain.html?DCMP=OTC-rss&nsref=online-news
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