Week 9 - fear and OCD Flashcards
1
Q
What is the main brain area involved in fear?
A
- Amygdala
2
Q
What is important for threat and safety learnign
A
Threat - Amygdala
Safety - VMPFC - also in reward learning , extinction learning.
3
Q
Key facts on anxiety disorders
A
- affects 19 million people in US
- Lifetime prevalence of anxiety disorder is 25%
4
Q
WHat happens to the PFC under stress
A
- Frontal lobe loss of regulation due to the amydala being used more and releasing NOREPINERPHRINE and dopamine which disconnect link between PFC neurons, that is why we find it hard to do cognitive tests under stress
5
Q
Brain areas involved in OCD
A
- Striatum
- PFC
- Thalamus
- Basal ganglia
6
Q
A
