Seasonal Mood Swings Examined Using PET Scans

Examining brain scans taken at various times of the year, scientists have discovered that serotonin transporter activities, which help regulate the neurotransmitter seratonin, vary according to the season. According to the article, released on September 1, 2008 in Archives of General Psychiatry, one of the JAMA/Archives journals, this regular variance could potentially lead to explanations of seasonal affective disorder and it’s mood swings.

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Filed under: Depression on September 8th, 2008