Ch 4: Neurotransmitters in Psychiatry Flashcards
1
Q
What are the four major categories of neurotransmitters implicated in psychiatry?
A
- Cholinergic
- Monoamines
- Amino Acids
- Neuropeptides
2
Q
What system do cholinergics effect?
A
Autonomic Nervous System
3
Q
To what functions do cholinergics contribute?
A
- sleep
- arousal
- pain perception
- modulation and coordination of movement and memory
4
Q
What diseases are cholinergics attributed to?
A
- Parkinson’s (tremulous)
- Huntington’s (tremulous and movement)
- Alzheimer’s (memory)
5
Q
Increased levels of cholinergics can lead to…
A
Depression
6
Q
Name 3 monoamines
A
- Norepinephrine
- Dopamine
- Serotonin
7
Q
What system do monoamines effect?
A
CNS & ANS
8
Q
Norepinephrine is responsible for what instinct?
A
Fight or flight
9
Q
To what functions does norepinephrine contribute?
A
- Regulation of mood
- Cognition & perception
- Cardiovascular functioning
- Sleep & arousal
10
Q
Overactivity or high levels of norepinephrine can contribute to…
A
- Mania
- Anxiety
- Schizophrenia
11
Q
Decreased levels of norepinephrine can contribute to…
A
- Depression
- Excessive sleep
- Psychomotor retardation
12
Q
To what functions does dopamine contribute?
A
- Regulation of movement and coordination
- Emotions
- Decision making
13
Q
Low levels of dopamine can contribute to what two things?
A
- Depression
- Parkinson’s Disease
14
Q
Increase levels of dopamine can lead to
A
- Manic states
- Increased hallucinations and delusions in Schizophrenia
15
Q
Serotonin elevates _____.
A
Mood
