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 Piaget’s formal operations stage § Video § Recent research Three major differences between adolescents and adults (related to cognition) § Adolescents think differently § Adolescents’ brains are different Ø Video § Adolescents’ behavior is different Ø 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 Ø See article for number of subjects, age range, etc Ø 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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This note was uploaded on 02/13/2012 for the course PSYCH 250 taught by Professor Ward during the Winter '08 term at University of Michigan.

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Lecture 13 Adolescent Cognitive Development 2011_student_slides

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