Biochemical explanations of OCD 3.0 / 5 based on 1 rating ? PsychologyObsessive compulsive disordersA2/A-levelAQA Created by: Luke BartholomewCreated on: 10-06-13 17:43 What is the mean neurochemical involved in OCD? Serotonin 1 of 10 Sufferers will have... Reduced levels of serotonin or deficient serotonin metabolism which means not enough is absorbed 2 of 10 SRI’s or SSRI’s help in treatment of OCD by By blocking the amount of serotonin broken down in the brain therefore increasing the amount available 3 of 10 Drugs which affect other neurotransmitters do.. Not help OCD suggesting it is serotonin specifically 4 of 10 What did Rachman 2004 find? Serotonin levels assessed - same in OCD & controls 5 of 10 How long do SSRI's take to work? 6 weeks 6 of 10 There is now support for the opposite... To much serotonin causes OCD..What does this explain??> Why drugs only work after a while 7 of 10 What did Insel 1991 find? That SSRI’s were effective in reducing symptoms of OCD in 50-60% of cases. 8 of 10 There are issues with cause and... Effect. What causes you to develop OCD? 9 of 10 If it is down to serotonin, why do... Therapies work 10 of 10
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