Unit 1 - Lesson 7 Notes

How do neurons work?

Neurons communicate with each other by forming interconnected neurons that relay messages throughout your body.

What are the electrical signals called with neurons?

action potential

neurotransmitter

the brain’s chemical messenger, more than 100 kinds,

adrenaline

fight or flight

noradrenaline

concentration

dopamine

pleasures

serotonin

mood

GABA

calming

acetylcholine

learning

glutamate

memory

endorphins

euphoria

reward system

a system that promotes evolutionarily beneficial behavior

three parts of the brain involved with the reward triad

prefrontal cortex, nucleus accumbens, amygdala

what does the amygdala do in the reward triad

accesses the threat

what does the nucleus accumbens do in the reward triad?

processes the reward and release dopamine

what does the cortex do in the reward triad?

responsible for decision making and decisions made