bio approach to explaining OCD Flashcards
what does genetic explainations say causes OCD
genetic vulenrability
what is the diathesis stress model sugguesting
certain genes leave patients more likely to develop the disorder, but not certain.
Environmental stress is neccessary to trigger ocd
What are certain genes cause that cause a mental disorder like ocd with example
Candidate genes - 5HT1-D beta responsible for serotonin regulation in synapse
what does it mean when ocd is polygenic; which genes could this be
combo of genes increase vulenrability of ocd; genes to do with DA and serotonin have been caused to OCD
different types of OCD are caused by particular genetic variations. e.g…….
horading disorder, religious obsession
genetic explainations
ao3: environmental risk factors not only biologcal
researchers asked whether pateints experienced traumatic events and over half of them did. This sugguests that even if people have the genses for OCD they may not get the disorder, but if they experience a traumatic event, this may trigger ocd in them. Biological explanations is only a partial explanation
what does neural explanations suggeusts about ocd
THAT low levels of serotonin is responsible for ocd AS IT CUASES low moods
Abnormal functioning in brain
what is serotonin responsible for
mood relevent info
what parts in the brain lead to abnormal functioing to ocd
Frontal lobes - abnormal decison making
Left parrahippocampal gyrus - abnoraml functioning of unpleasent emotions
nueral explanation
ao3: serotonin-ocd link not unique
depression is caused due to low lvls of serotonin. This sugguests ocd has co-morbidity with other mental disorders. tHIS MAKES IT HARD TO MAKE A diagnosis as a patient may have ocd or another mental disorder. this makes it difficult to give them treatment. tHEREFORE its difficult to say whether someone actually has OCD.
real world application
increased understanding of serotonin has lead to development of drug therapy. For example ssris allows for increased serotonin in synapase allowing for post synaptic neuerons to be stimulated and prevent reuptake into presynaptic neurons. Leading to normal transmission of serotonin. This allows for more people to function normally and therfore has real wolrd value.
AO3: research is based on correlation not causation
research shows that abnormal nueral systems appear in people with oCD. However this is just correlation. oCD may cause abnormal brain functioning in patients or vice versa. Or perhaps abnormal brain functioning and ocd is influenced by another function such as a traumatic event. Therefore bioogical/ explanations are only a partial explanation for OCD
