Ocd Explanation

genes| A01 Explanations/Research| Strengths| Weaknesses| | Family and Twin Studies: test for the transmitted basis of OCD comes from re-create studies and evaluations of first tip comparatives. Nastadt et al. (2000) set 80 patients with OCD and 343 of their first compass point relatives and compared them with 73 control patients without rational illness and 300 of their relatives. on that point was a well familial link for the nigh commonalty form of this dis ramble. quite a little with a first spirit level relative with OCD (parents or siblings) had a five times greater stake of having the illness themselves at some time in their lives compared with the common population.A meta-analysis of 14 dude studies of OCD, including 80 identical and 29 brotherly twin pairs, assemble that identical twins were on bonny more than double as likely to receive OCD if their twin had the disorder than were f set outrnal twins (Billett et al, 1998). The COMT gene:The fluctuation in expression of a specific gene may work to OCD. This hereditary alteration reduces the production of the enzyme catechol-O-methyltransferase (COMT), which helps terminate the meet of the neurotransmitters dopamine and norepinephrine. The researchers collected deoxyribonucleic acid from samples of 73 people diagnosed with OCD and 148 who had not go through some(prenominal) custodytal disorder.

The variation in the COMT genes everyday sequence, inherited from both parents, occurred in nearly half(a) of the men trauma from OCD, whereas only 1 in 10 women with OCD, and about 1 in 6 of men and women who dis depended correct mental health, displayed the same genetic trait. | integrity force of the genetic explanation is that in that respect is further empirical promote provided by Rasmussen & Tsuang (1986). They constitute a concordance rate of 53-87% in MZ twins for OCD. This suggests that at that place is wider academic credibility for the design that genes play a probatory role in the cultivation of OCD.| One weakness of the genetic explanation is the nature-nurture argument. It is...If you want to nurture a full essay, order it on our website: Orderessay

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