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More Intelligence.docx

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Western University
Psychology 1000

Intelligence Savant Syndrome Autism Theories What causes savant syndrome? What are the symptoms of autism? What is intelligence? Bias  Is the test “culture-fair” or do the answers require specific knowledge available only to certain (sub) cultures?  More than academic question o Streaming Dove (1968) – “Chitterling test” Savant Syndrome  Dr. J.L. Down (1887)… Idiot Savant”  “Idiot” was accepted category of mental retardation at the time o I.Q. < 25  Excel in narrow range of abilities o Lightening fast math o Music o Calendar calculations o Art o Mechanical or spatial abilities  Other reports of ability in o Time estimation o Sensory discrimination o ESP  Common: music + blind + autistic  Can have multiple skills  All seem to be in right hemisphere  All linked with phenomenal (but narrow) memory  Very rare… less than 100 reports of prodigious ability  Only 25 living savants  6 times morel likely in males than females Causes 1. Eidetic Imaging a. Perhaps savants have “photographic” memory… unlikely b. Calculations beyond published data c. High % are blind 2. Hereditary a. Early studies suggest family relationship b. But recent data suggest “No” c. 1 in 23 relatives of 5 savants 3. Sensory Deprivation a. Resulting from autism… promotes intense concentration b.
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