PSYCH 123 Depression Flashcards
What defines mild depression?
2 core symptoms + 2 others
What defines moderate depression?
2 core symptoms +3/4 others
What defines severe depression?
Core symptoms are severe and 4 others that are intense. Can be +/- psychotic symptoms
What is step 1 of the stepped care model for management of depression?
Assessment and signposting
For who would step 2 of the stepped care model for managing depression apply? How would you manage?
Those with persistent sub-threshold symptoms of mild/moderate depressions
Manage with self help e.g. CBT
What would you start/implement if there are inadequate responses to interventions?
Antidepressants and high intensity psychological intervention.
Where are neurotransmitters synthesized?
Neurones
Where are most neurotransmitters located (excluding endocannabinoids)?
In the presynaptic terminal
What happens when there is prolonged stimulation at Glutamate receptors?
Hyper-excitability: seizures and strokes
What happens when Glutamate receptors are blocked and give an example of what they are commonly blocked by?
Sedation
Alcohol and Ketamine
What Glutamate receptors are permeable to both Calcium and Sodium?
Kainate and NMDA
What glutamate receptor is only permeable to Sodium?
AMPA
What is the main inhibitory neurotransmitter in the nervous system?
GABA
What drugs activate GABA receptors?
Benzodiazepines, lorazepam and alcohol
What happens when GABA receptors are blocked?
Hyper-excitability
What do astrocytes do?
Act as support cells or for damage repair