PSYCH 250 Lecture Notes - Lecture 13: Functional Neuroimaging, Dysthymia, Weight Loss
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2 weeks + of sad mood, loss of interest/pleasure in daily activities. Dysthymia - mood is regularly low, but symptoms are not as severe as mdd. 8. 3% of teens in us have mdd or dysthymia. Youth: results are less consistent (what study is trying to understand) Amygdala would be active in both groups. Adolescents with mdd would have greater activation in the amygdala than controls. See article for number of subjects, age range, etc. They had a clean sample of controls (they were careful when choosing subjects) Measures blood flow ( hemodynamic response ) to regions of the brain. Emotional faces task in order to stimulate these areas of the brain (see slide) Healthy controls were screened for axis 1 disorder (most disorders) using a computerized interview. Potentially depressed adolescents were given a psychiatric interview to assess whether they met criteria for mdd. Skip sociodemographic and clinical findings and whole brain analyses and statistics.
