Neurotransmitters

Question 1

Dopamine

Answer 1

“Feel good “- reward center
Mood, motaivation, attention, learning, movement.

Question 2

Dopamine ( 4 pathways )

Answer 2

1. Mescortical
2. Mesolimbic
3. Nigrostriatal
4. Tuberinfundinular

Question 3

Dopamine ( MesCORTical Pathway)

Answer 3

SDAs ( serotonin -dopamine antagonists) INCREASE dopamine in those pathway causing NEGATIVE sx

Question 4

Dopamine (MesoLIMBic Pathway)

Answer 4

SDAs block dopamine in this pathway, DECREASE NEGATIVE sx

Question 5

Dopamine ( Nigrostriatal pathway)

Answer 5

Dopamine has a reciprocal relationship with acetylcholine (ACH) .

• When serontin is blocked by SDA - dopamine increases

Therefore - Ach decreases causind decrease EPSE sx.

EPSE is caused by increase ACH

Question 6

Dopamine (Tuberfundibular pathway)

Answer 6

Dopamine inhibits prolactin. ( stops)

• Blocking Dopamine by SDAs cause prolactin to increase, causing galactorrhea ( production of milk) and gynecomastia ( breast tissue )