PSYCH-200 Lecture Notes - Lecture 11: Fetus, Synaptogenesis, Phenotype
8 Dec 2020
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Document Summary
Child appears to be developing normal until about 15 months (1 ) then parents report child starts to lose some of the skills they had requires (lose babbling) Group never normal but less impaired from beginning, never normally development symptoms mild enough so overlooked. Never hit big language takeoff: stalled out. Many kids have multiple disorders along with asd. 40% asd children mentally retarded; 20% seizure disorder (epilepsy) Other issues: food allergies, sleep disturbances, mood instability problems (emotion), add. Unknown, complicated with strong genetic component (inheritance) Symptoms: asd run in family (look at symptoms in father) Epigenetic contributions: problem with brain development, what in environment causes this development. Moms taking ssri"s during pregnancy increase risk asd. Slightly heavier brain mass in asd (larger brains) Abnormal levels of serotonin in developing brain. Directs neuron growth, influences ho neurons communicate with one another. Formation of spaces between neurons (too many connections between neurons)
