Lecture 22 - Lecture22 PsychosocialProblemsinAdolescence...

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Lecture 22 22/04/2010 10:37:00 Psychosocial Problems in Adolescence The Health Paradox of Adolescence Adolescence is physically the healthiest period of the lifespan, prior  to adult  declines, beyond the frailties of infancy and childhood o Improvements in strength speed, reaction time, reasoning abilities,  immune system  o Increased resistance to cold, heat, hunger, dehydration, and most  types of injury Yet: overall morbidity and mortality rates increase 200% from childhood to  late adolescence Primary sources of death/disability are related to problems with control of  behavior and emotion What are psychosocial problems? Behaviors perceived as disruptive or antisocial by society Range from annoying and disruptive behaviors such as non-compliance to  more serious antisocial and delinquent behaviors. Adolescence: an inflection-point in life course trajectory Alcohol abuse 95% of MJ use begins before 25 Onset of initial depression episode Greatest risk of HIV exposure Rates of accidents related to violence and reckless behavior
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Types of Psychosocial problems Internalizing disorders – turned inward; emotional and cognitive symptoms  (i.e. depression , anxiety, and psychosomatic disorders) Externalizing disorders – turned outward; behavioral problems or action out  (i.e truancy, delinquency) Externalizing Behaviors Crime  Alcohol Crime High peak in adolescence Alcohol Heavy Users: Ages 21-25 Highest peak Users between 18-21 yrs old; most or IN college full time Problems Life course persistent Timeline of Brain Development Birth to 3 – Time of rapid intellectual , emotional and physical growth of brain  and brain “wiring” By age 6, 95% of brain development completed Preteens (10-12 yrs) second major brain growth spurt Adolescence (13-20) Pruning and organizing, especially in frontal cortex
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Frontal Cortex CEO of brain  Responsible for planning strategizing and judgment Growth spurt, 11-12, pruning and organizing teen years Approaching adult levels of reasoning ability by 15, but high rates of “poor”  decision-making because of lack of experience What Does this Mean in Terms of Behavior Lack of common sense Thinking that seems rigid
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This note was uploaded on 10/20/2010 for the course HD 1170 taught by Professor Mary during the Spring '10 term at Cornell University (Engineering School).

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Lecture 22 - Lecture22 PsychosocialProblemsinAdolescence...

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