PSYCH 330 1st Edition Lecture 14 Outline of Last Lecture I. Autism Spectrum SymptomsII. Behavioral StereotypyIII. SIBISIV. Information on Autism Spectrum DisorderV. The Autistic SavantOutline of Current Lecture I. Correlates to ASDII. Related Developmental DisordersIII. Primary Prevention MethodsIV. Treatment of ASDCurrent LectureCorrelates- 40% of children with autism also have IDD (Baio, 2014).- 25% have problems with grand mal seizures (because of abnormal communication between neurons in the brain).- Head circumference at birth is in the 25th% (which means their heads are smaller than average) but by the 1 year mark is in the 84th%.- 25% show ventricular enlargement.- Increased size of occipital, parietal, and temporal lobes.- Reduced EEG activity in frontal and temporal lobes.- ERP abnormalities (lack of event related potentials)These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.Related Developmental DisordersAsperger’s Disorder (under ASD in DSM-5)- Have abnormalities in social functioning and behavioral stereotypy- Have perfectly normal speaking abilities.- Just “seem odd”.Rett’s Disorder- Caused by mutation on MECP2 gene on x chromosome.- Normal development through five months of age.- After 5 months, deceleration of head growth occurs.- Loss of hand skills poorly coordinated movements occur (Ataxia).- Impaired expressive and receptive language (Aphasia).- 80% suffer seizures.- Etiology was unknown until 2015.- Almost exclusively in females.- The theory is that something in the male’s Y chromosome protects them from the disorder.- And females having two X chromosomes make them more susceptible to the disorder.Primary Prevention- Family genetic counseling.- Can identify abnormalities in fetus (such as fragile-x or downs syndrome) via amniocentesis.Treatment of Autistic DisordersBehavioral Interventions:- Positive reinforcement and shaping (ABA; Dr. Lovass)- Education/skills training (learning adaptive skills, social skills, vocational training).For self-injury:- Aversive proceduresMedication:- Not effective for social or communication deficits- Atypical antipsychotics (help manage aggressive behaviors and self-injury).- Stimulants (reduce hyperactivity).-
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