CH 4 Drugs and the Brain (TERMS) Flashcards
1
Q
Law of Mass action
A
The response is proportional to the fraction of receptors occupied at any given moment
2
Q
Agonistic Drugs
A
Turns on receptor
3
Q
Antagonistic Drugs
A
Blocks receptor
4
Q
Acetylcholine (ACh)
A
Neurotransmitter for motor neurons involving voluntary movement (attention, arousal and memory as well)
5
Q
Dopamine DA
A
Neurotransmitter involved with the instructions for the control of voluntary movements and reward centres
6
Q
Norepinephrine (NE)
A
A neurotransmitter involved in arousal, mood, and alertness
7
Q
Serotonin
A
Neurotransmitter involved in the regulation of sleep and wakefulness
8
Q
Prozac
A
Anti-depressant drug that interferes with re-uptake of serotonin
- Also called “dirty drug” as it affects other neurotransmitters
9
Q
GABA (gamma-aminobutyric acid)
A
Brain’s primary inhibitory neurotransmitter
- Causes inhibitory postsynaptic potentials (IPSPs), making neurons less likely to fire.
- Regulates anxiety; keeps the brain’s activity balanced and calm.
- Low GABA levels lead to increased neural firing, causing anxiety and anxiety disorders.
