What does acetylcholine increase?
- Sweat and salivary secretions
- Memory
- Muscle contractions
What does acetylcholine decrease?
- Heart rate
What drugs can increase acetylcholine?
- Nicotine
What drugs block acetylcholine?
- Benzodiazepans
- Atropine
- Benztropine
- Curare
What does norepinephrine increase?
- Heart rate
- Alertness
- Happiness
What does norepinephrine decrease?
- Blood circulation
- Pain
What drugs can increase norepinephrine?
- Amphetamine
- Cocaine
- Tricyclic antidepressants
- MAOIs
- LSD
What drugs can block norepinephrine?
- Propranolol
- Clonidine
- Phentolamine
What does dopamine increase?
- Alertness
- Happiness
What does dopamine decrease?
- Hunger
What drugs can increase dopamine?
- Amphetamine
- Cocaine
- MAOIs
- LSD
What drugs can block dopamine?
- Antipsychotics
- Tetrabenzine
What does serotonin increase?
- Happiness
- Fullness
What does serotonin decrease?
- Pain
What drugs can increase serotonin?
- Amphetamine
- Cocaine
- LSD
- SSRIs
- Tricyclic antidepressants
- MAOIs
What does glutamate do?
The most common excitatory neurotransmitter
What does GABA increase?
- Sleepiness
What does GABA decrease?
- Anxiety
- Alertness
- Memory
- Muscle tension
What drugs can increase GABA?
- Alcohol
- Barbiturates
- Benzodiazepines
- Neurosteroids
What drugs can block GABA?
- Flumazenil
What do opioid receptors increase?
- Sleepiness
What do opioid receptors decrease?
- Anxiety
- Pain
(endorphins)
What drugs can increase opioid effects?
- Morphine
- Heroin
What drugs can block opioid receptors?
- Naloxone
