Lecture 9 - middle childhood physical and cognitive 2011 student slides

Lecture 9 - middle childhood physical and cognitive 2011 student slides

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Unformatted text preview: Physical and Cognitive Development in Middle Childhood Lecture 9 February 14, 2011 Zeanah and other (2009) • Background – prior work – There is an association between adverse early experiences and psychopathology (“psychiatric morbidity”) – Children adopted from orphanages with poor conditions (low caregiver:child ratio) are at risk for mental disorders • Attachment disorders • ADHD • PTSD • Background – limitations to prior work – Children were not randomly adopted out of the institutions • Parents/agency selected them • Why is this a problem? – When comparing to children who remain in the institution? – When comparing to children never institutionalized? – How do you avoid this? Randomization • Participants are drawn from the same population and randomly assigned to be placed in foster care or stay in the orphanage Overview • Physical development – focus on obesity – Trends over the last 20 years – Factors that may account for increased rates of obesity – Consequences of obesity – Video • Middle childhood cognition – Piaget’s concrete operational stage – Vygotsky’s sociocultural theory – Information processing theory – ADHD The Obesity Epidemic Definitions of obesity • 20% higher than ideal weight • Adults: Overweight=BMI of 25-29.9; Obese = BMI>30 • Chn: BMI>85th age-sex specific percentile compared to the norms from the first measure conducted = overweight; BMI>95th percentile = obese. Increasing prevalence across the nation • Obesity is increasing rapidly among chn, youth, and adults in the US • 65% of US adults are either overweight or obese • 32% of US children/teens are overweight; 11% are obese • Prevalence of being overweight in US for chn 6-11 increased 325% from 1974 to 1999 • Increases found in all regions of the country, urban/rural, both sexes, all ethnic groups, rich and poor 1995...
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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 9 - middle childhood physical and cognitive 2011 student slides

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