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Unformatted text preview: 1 Ch 14: Developmental Disorders Learning Objectives : Describe central features of ADHD, learning disorders, and pervasive disorders Describe 3 main symptom clusters of autistic disorder Describe Aspergers disorder Describe mental retardation Introduction : Developmental psychopathology- Study of how disorders arise and change with time- Disruption of early skills can affect later development Developmental Disorders- Diagnosed first in infancy, childhood, or adolescence ADHD : Inattention, overactivity, and impulsivity Associated with numerous impairments (behavioral, cognitive, social, academic) Symptoms are usually present around age 3 or 4 Symptom Types- Inattentive type- Hyperactive type- Impulsive type Genetic Contributions Neurobiological Contributions- Precise neurobiological mechanisms remain unclear The role of toxins 2 Psychosocial Factors- Constant negative feedback from peers and adults- Peer rejection and resulting social isolation- Low self-esteem Goal of biological treatments- Reduce impulsivity and hyperactivity - Improve attention- Effects not long term Stimulant medications- Reduce core symptoms in 70% of cases- Examples: Ritalin, Dexedrine, Behavioral Interventions Goal setting and reinforcement Combinations superior to medication or behavioral treatments alone Learning Disorders : Performance substantially below expected levels...
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- Spring '10