Genes And Neurons

Question 1

Nestadt year

Answer 1

2010

Question 2

Nestadt 2010

Answer 2

68% MZ had OCD

31% DZ had OCD

Question 3

Cromer year

Answer 3

2007

Question 4

Cromer 2007

Answer 4

Over half of OCD patients had a previous traumatic event in their past

Those with more severe cases had more trauma experiences

Question 5

Diathesis- stress model

Answer 5

Genes cause vulnerability but OCD is triggered by an environmental stressor

Question 6

Gene explanation

Answer 6

OCD is caused by candidate genes

Polygenic condition

Sert gene transports serotonin

Question 7

Neural explanation

Answer 7

Abnormal levels of neurotransmitters

Regions in the brain

Question 8

Serotonin

Answer 8

Mood levels

Question 9

Orbitofrontal cortex

Answer 9

Converts sensory info into thoughts and actions

Question 10

Increase in activity in

Orbitofrontal cortex

Answer 10

Increase conversion of sensory info to thoughts and actions

Increases compulsions

Question 11

Supporting evidence

Answer 11

Use of antidepressants to treat OCD and depression

Works solely to increase levels of serotonin

Question 12

Weakness

Answer 12

Evidence of disruption of neurotransmitters in patients

But could be a result of OCD rather than cause?