Explanation of OCD SANS A03 0.0 / 5 ? PsychologyObsessive compulsive disordersA2/A-levelAQA Created by: KatieCreated on: 09-09-19 13:41 what are the two explanation for OCD genetic and neural 1 of 37 in what way are genes involved in OCD create individual vulnerabiltity 2 of 37 who ivestiated the impact of genetics Lewis 3 of 37 how many of his patients had OCD 37% 4 of 37 how many had siblings with OCD 21% 5 of 37 what does this suggest about OCD genes have a vulnerability, not a certainty in the likelihood of someone getting OCD 6 of 37 what model does this support diathesis stress model 7 of 37 what is the diathesis stress model suggests disorders are a result of genetic vulnerability ad environmental stress 8 of 37 what are candidate genes genes responsible for a condition 9 of 37 candidtae genes in terms of OCD genes which create a vulnerability to OCD 10 of 37 what are some candidtae genes involved in the regulation of serotonin 11 of 37 example gene? 5HT1-D Beta is repsonsible in the transportation of serotonin across synapses 12 of 37 what does it mean if OCD is polygentic caused by several genes 13 of 37 what did Taylor investigate the different genes involved in OCD 14 of 37 what did Taylor find there is evidence up to 230 genes may be involved in OCD 15 of 37 What are the most common genes associated with OCD Dopamine and Serotonin 16 of 37 what are dopamine and serotonn neurotransmitters involved in regulating mood 17 of 37 what is the technical name for OCD being caused by different genes aetiologically heterogenous 18 of 37 what does aetiologically heterogenous mean for sufferers of OCD that the genes that cause one persons OCD may be different to another persons OCD 19 of 37 what do twin studies compare (2) compare twins separated at birth to those that grew up together and MZ and DZ twins 20 of 37 how would you know if OCD was genetic if twins that grow up in different environments have the same likelyhood of OCD thaan those who grew up together 21 of 37 how do you know if OCD has a genetic basis when investigating MZ and DZ twins if identical are more liely to get OCD than non identical 22 of 37 what do concordance rates tell you if something is genetic 23 of 37 when should the concordance rate be low if something is genetic in non identical twins 24 of 37 what does it mean if there are high concordance rates in DZ twins environmental influence 25 of 37 what does a concordance rate high in MZ and low in DZ twins mean genetic 26 of 37 what is the neural explanation for OCD genes associated with OCD are liklely to affect neurotransmitter levels and brain structures 27 of 37 what is the role of serotonin mood regulator 28 of 37 what happens if serotonin levels are low normal transmission of mood relevant info doesn't take place, affecting mood 29 of 37 what is comorbiditiy having 2 disorders at the same time 30 of 37 what does low serotonin suggest about OCD OCD can be caused by the reduction in the functioning of OCD 31 of 37 What is another neural explanation for OCD impaired decision making systems 32 of 37 example of OCD caused by impaired decision making hoarding 33 of 37 what is impaired decision making associated with abnormal functioning of the lateral of the frontal lobes 34 of 37 what are the frontal lobe responsible for logical thinking and decision making 35 of 37 what else could function abnormally the left parahippocampalgyrus 36 of 37 what is the left parahippocampalgyrus responsible for processing unpleasant emotions 37 of 37
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