Neurotransmitters

Question 1

dopamine

Answer 1

• pleasure, satisfaction, addiction, movement, motivation

Question 2

Serotonin

Answer 2

• well-being, happiness, regulates sleep cycle, regulates intestinal movements
• Low serotonin = depression, anxiety
• Antidepressants increase serotonin levels
• Exercise and light also increase serotonin.

Question 3

GABA

Answer 3

• major inhibitory neurotransmitter of brain
• calm firing nerves in CNS
• high GABA = high focus and relaxation
• low GABA = anxiety, and epilepsy
• GABA also contributes to motor control and vision

Question 4

Acetylcholine

Answer 4

• principal neurotransmitter for thought, learning and memory
• activates muscle action
• low = Alzheimer’s

Question 5

Endorphins

Answer 5

• released in the brain during exercise, excitement, pain, and sexual activity
• produce a feeling of well-being or even euphoria

Question 6

Epinephrine

Answer 6

• inhibits memory
• high awareness + physical boost
• airway dilation, high BP, high HR, high O2 to lungs

Question 7

Norepinephrine

Answer 7

• attention and response
• fight or flight

Question 8

Glutamate

Answer 8

• most common NRTM
• brain fns like learn + memory
• brain dvlpment
• causes nerve contractions
• too much = brain damage