Psych Pharmacology (PPt + Book) Chapter 4 Flashcards
Dopamine is balanced by what neurotransmitter?
Acetylcholine
Acetylcholine plays a role in…
(4 functions)
Arousal
Sleep wake cycle
Memory
Skeletal muscle movement
Deficiency in acetylcholine is linked to what diseases? (3)
Mainly: Alzheimer’s
Also: Huntington’s chorea and Parkinson’s
What moods does acetylcholine regulate? (2)
Mania and sexual aggression
An excess in Acetylcholine results in what disease?
Depression
What type of receptors does acetylcholine act on? (2 types)
Nicotinic and muscarinic receptors
M1, M2, M3
Dopamine (DA) is linked to what functions? (4)
Fine muscle movement
Integration of emotions and thoughts
Decision making
Stimulates hypothalamus to release hormones
Dopamine acts on what receptors?
D1, D2, D3, D4, D5
An excess in Dopamine can result in what diseases? (2)
Psychosis
Mania
A deficiency in Dopamine can result in what diseases? (2)
Parkinson’s disease
Depression
Dopamine is involved in what centers of the brain?
Reward and pleasure centers
Drugs such as __ may interfere with the __ of dopamine thereby allowing more of the neurotransmitter to stay active in the synapse for a longer time.
Cocaine; reuptake
Drugs such as amphetamines that stimulate dopamine activity can induce ___symptoms
Psychotic
Drugs that block dopamine receptors have ___ activity
Antipsychotic
Norepinephrine (NE) affects what functions? (2)
And stimulates what type of response?
Attention, arousal
“Fight or Flight”
An excess in Norepinephrine may result in? (3)
“MAP”
Mania
Anxiety
Psychosis