Category: science
Modern Liberal Arts 6
Behavior & Influence
Neurology 101
How the brain works
billions of neurons (tiny nerv cells) computing power cpu
communicate via electical pulse
release chemical signals (neurotransmitters)
neurotransmitters float in synapse
cortex = surface of brainsubcortacal = evilution
nuero cirits = network on connect regions via neurons
neurotransmitter system
serotonin – improves will power, motivation, mood
norepinephrine – enhances thinking, focus, dealing with stress
dopamine – increase enjoyment
oxytocin – promotes feelings of trust, love, connection, reduce anxiety
goba increase felling of relaxation
melatonin – increase quality of sleep
endorphins – provides pain relief, feelings of enerlations
endocannabinoids – improve apatite, peace fullness and well being
frontal limp system: thinking
prefrontal cortex = front 1/3
ceo: planning, decission, impluse, modivation
-worry – guilt – shame
2 axles
dorso – top – thinking
ventral – bottom – emotional
midial – middle – self focused
lateral – side – outside world focused
Limpics system: feeling
exsitment, fear, exsizty, memory, desire
4 regions
hypertalamus – controls stress
amigdala – key 2 reduce fear agziaty neg emotional
hypocampus – longterm memories
sigalat cortex – focus & attention