slide flashcards W1D3ish

Question 1

who is luigi galvani + what did he do

Answer 1

artist/anatomist who disected frog and accidently touched it with electricity and saw the leg moved…now we know our body is electric

Question 2

what technique do you use in neurophysiology to study thousands to millions of neurons

Answer 2

electroencephalogram (electrodes over scalp)

Question 3

what technique do you use in neurophysiology to study thousands of neurons

Answer 3

local field potentials (electrodes inside)

Question 4

what technique do you use in neurophysiology to study one neuron

Answer 4

single units (electrodes inside)

Question 5

electric potential (def)

Answer 5

force exerted on a charged particle

Question 6

resting membrane potential of a neuron typically ranges from BLANK to BLANK

Answer 6

-40mV to -90mV

Question 7

which ion is more concentrated inside the cell than outside

Answer 7

potassium (K+)

Question 8

for which ions do neuronal membranes have leak channels for

Answer 8

chloride and potassium

Question 9

at rest, BLANK is the most permeable ion

Answer 9

potassium (K+)

Question 10

aproximatly what percent of your brains ATP does the sodium potassium pump use

Answer 10

around 66%

Question 11

what does the axon hillock do

Answer 11

integrates EPSPs and IPSPs and decides whether or not an action potential will be generated