Organized Notes on the neuroscience lesson in College level intro to psychology class. Includes photos, diagrams, highlights, and a key. Easy to follow along and understand. Organized handwriting. Topics covered are an introduction to neuroscience and include: neuron anatomy, signals in the brain, ...
Key
Chapter 2 Neuroscience totalkaboutinclass
Neuroscience howbrain nervoussystemaffectmentalprocesses andbehavior iii
how doesbraincommunicate vocabulary
info
important
Neurons cellsthattransmitinfo
Also gliacellsbraincellsgiveimportantfunctiontoñÉuÉns donotconductnerveimpulses
formmyelin fattywaxystuffthatsurroundsneuronssosingnalmovefaster
Nomyelinmultiplesclerosis
Neariratomy
canbehundredmicrometersmanycentimeters
axons
re chemical
messengerscarryneural acrosssynapse
signals
apse connectionformedwhenaxon
bulbgets
closeto dentriteoranotherneuron
Inenection
hasna
are
synapticneuron
euronthatissendingsignalatsynapse eachneuroncansynaps with upto 10,000otherneurons
synapticgap the
signs
sostsynaptic neuron
euronthatreceivessignalat a synapse Brainuseselectrochemicalenergymadebyions sig
off
nagging
Braintissue gliacellsneuronssurroundedbyfluidwithdifferentions
restingpotential whenneuronisrestingionchannelsstopNat sodium
thedifference fromgoinginthecell highconcentrationofNatmakeouts
in charge conornegative
cellhigh
cellpositiveInside ionsnegativecharge
important in creating
neuralsignals
Aerotentialshownearonsfired
whenneuronsgetsignalsfromotherneuronsitcanmakecellmore tort
if signalmakesneuronmore t mayreachthresholdofexcitation ssmv
ionchannelsopenallowNattoenter
actionpotentialreachesaxonbulb neurotransmittersintosynaps
comein contactwithreceptors changein electricalpotential
lock3Key
excitation whenneurotransmittermakespostsynapticcellmorepositiveinsidemorelikelyto
fireactionpotential Glutamate
VS
inhibition causesinsideorpostsynapticcelltobecomemorenegativetomoveawayfromthresholdofexcitation
GABA
axon addsupthe two signalsandonlywhenthesummovesrestingpotential
to threshold theneuron will fire actionpotential
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