types of neurotransmitters

Question 1

Acetylcholine

Answer 1

excitatory.
found in PNS &CNS
role= muscle contraction/ stimulation of hormones via ANS AND CNS/ role in REM sleep/ role in activation of cerebral cortex in learning and memory

Question 2

Dopamine

Answer 2

Excitatory or inhibitory

found= neuron cell bodies in the midbrain

role= reward motivated behaviour/ behaviours with movement, attention, mood/ reinforcing effects of drugs that are abused

Question 3

Serotonin

Answer 3

excitatory or inhibitory

found= cell bodies of neurons in midbrain, pons, medulla

role= mood, eating, sleep, arousal, pain

Question 4

norepinephrine

Answer 4

excitatory or inhibitory

found= PNS and pons, medulla

role= attention, sleep, emotions, dreaming, learning

also released into blood as a hormone causing blood vessel to contract and an increased HR

Question 5

Glutamate

Answer 5

excitatory in CNS

used by brain to synthesize GABA

role= associated with learning and memory

Question 6

GABA

Answer 6

inhibitory
most important NT in brain

found- neurons of the cortex

role- motor control/vision, regulation of anxiety