Lecture 13 Adolescent Cognitive Development 2011_student_slides

Lecture 13 Adolescent Cognitive Development 2011_student_slides

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Unformatted text preview: Adolescent Cognitive Development Lecture 13 March 9, 2011 Overview Article for paper #2 Piagets formal operations stage Video Recent research Three major differences between adolescents and adults (related to cognition) Adolescents think differently Adolescents brains are different Video Adolescents behavior is different Risk-taking Yang et al. (2010) for Paper #2 Introduction prior work Major depressive disorder (MDD) 2 wks+ sad mood, loss of interest or pleasure in daily activities weight loss or gain appetite loss sleep disturbance, fatigue feelings of worthlessness, guilt concentration difficulties Dysthymia mood is regularly low, but symptoms are not as severe as MDD Yang et al. (2010) for Paper #2 8.3% of teens in US have MDD or dysthymia Functional neuroimaging studies Adults: amygdala is hyperactive in patients with MDD compared to healthy controls Youth: results are less consistent Hypotheses Amygdala would be active in both groups Adolescents with MDD would have greater activation in the amygdala than controls Yang et al. (2010) for Paper #2 Methods Subjects See article for number of subjects, age range, etc Notable criteria for inclusion No co-morbidity No medications Yang et al. (2010) for Paper #2 Functional MRI measures blood flow (hemodynamic response) to specific regions of the brain. Yang et al. (2010) for Paper #2 Functional MRI Task Example of face processing trial Match face emotions Match shapes Yang et al. (2010) for Paper #2 Mental health measures Healthy controls were screened for Axis 1 disorder (most disorders) using a computerized interview Potentially depressed adolescents were given a structured psychiatric interview to assess whether they met criteria for MDD Yang et al. (2010) for Paper #2Yang et al....
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Lecture 13 Adolescent Cognitive Development 2011_student_slides

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