CHYS 3P60 Lecture Notes - Lecture 3: Twin, Measles, Etiology
22 Sep 2016
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Lecture 3 continuation of the etiology of asd, mmr vaccines, and an introduction to assessment. The nature of autism: historical development regarding etiology. It is a disorder of abnormal brain development, the basis of which is largely genetic (nicolson & szatmari, 2003) General risk to siblings: 15 to 20% Relatives have an increased frequency of lesser variants of asd . Mapping out mental health issues related to asd (for example, ocd is highly linked to asd) Higher risk of asd or atypical qualities/behaviours between identical twins, than fraternal twins. Hall (2013) says asd spans the genome . Shows increased brain volume (nicolson & szatmari, 2003) Found that 5 of 11 children had greater head circumferences. Found that the 20 asd participants had increased brain volume when compared to the 20 participants who did not have asd. Theory of mind: being able to understand that other people have internal mental states, such as knowledge, emotion, and expectation (hall, 2013)
