18 Questions
What is the term used to describe the concept that OCD is caused by multiple genes rather than a single gene?
Polygenic
What is the role of serotonin genes in OCD?
They are involved in the transmission of serotonin across synapses
What is the estimated number of genes involved in OCD?
up to 230
What is the main implication of the left parahippocampal gyrus abnormal function in OCD?
Emotional evaluation emotions processing
What is the term used to describe the genes that create a vulnerability for OCD?
Candidate genes
What is the primary mechanism of SSRIs in treating OCD?
Decreasing serotonin reabsorption
What is the role of dopamine genes in OCD?
They are involved in the transmission of dopamine across synapses
What is the term used to describe the abnormal functioning of the lateral frontal lobes in OCD?
Impaired decision making
Why are SNRIs used as an alternative to SSRIs?
They increase levels of serotonin and noreadrenaline
What is the typical daily dosage of SSRIs for OCD treatment?
20mg
How long does it typically take for SSRIs to impact OCD symptoms?
3-4 months
What is the role of drugs in combination with CBT for OCD treatment?
To reduce emotional symptoms
What is a characteristic of obsessive thoughts in OCD?
Recurring, intrusive thoughts that provoke anxiety
What is a common compulsion in OCD?
Repeatedly performing rituals to reduce anxiety
What is a characteristic of emotional characteristics of OCD?
Anxiety, guilt, and disgust
What is a cognitive characteristic of OCD?
Black and white thinking
What is a behavioral characteristic of OCD?
Avoidance of situations that trigger anxiety
What is an emotional characteristic of OCD related to self-perception?
Worthlessness and self-disgust
Test your understanding of biological explanations of OCD, including genetic and neural explanations, as well as how behaviourists treat phobias. Identify specific genes and neurotransmitters involved in OCD and phobias.
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