Txhua-lossis-tsis muaj txoj cai lij choj yog lub hauv paus ntsiab lus uas hais tias lub zog ntawm cov lus teb ntawm cov paj hlwb lossis cov leeg nqaij fiber ntau tsis yog nyob ntawm lub zog ntawm qhov stimulus. … Qhov tseem ceeb, yuav muaj lus teb tag nrho lossis yuav muaj tsis teb txhua rau ib tus neeg neuron lossis cov leeg nqaij.
Cov lus nug tag nrho lossis tsis muaj lus teb yog dab tsi?
tag nrho lossis tsis muaj- teb. Qhov tshwm sim uas cov leeg nqaij yuav tsuas cog lus rau nws tag nrho . threshold stimulus . Lub zog tsawg kawg ntawm kev txhawb nqa kom ua rau muaj kev sib cog lus. Koj nyuam qhuav kawm 21 nqe lus!
tsis muaj lus teb txhais li cas?
oxford. views 1, 428, 169 kho tshiab. tag nrho-lossis-tsis teb A hom lus teb uas tej zaum yuav ua tiav thiab siv tag nrho lossis tsis tuaj yeem tag nrho, nyob ntawm lub zog ntawm qhov kev txhawb nqa; tsis muaj ib nrab teb.
Yuav ua li cas yog tag nrho lossis tsis muaj dab tsi tshwm sim?
Action peev xwm yog suav tias yog "tag nrho-lossis tsis muaj dab tsi" qhov xwm txheej, nyob rau hauv qhov ntawd, thaum lub sijhawm muaj peev xwm mus txog, cov neuron ib txwm depolarizes tag nrho. Thaum depolarization tiav lawm, lub xovtooj ntawm tes yuav tsum tam sim no "rov pib dua" nws cov membrane voltage rov qab mus rau qhov chaw so.
Yuav ua li cas muaj peev xwm yog txhua yam lossis tsis muaj dab tsi?
Qhov peev xwm ua tau hais tias yog tag nrho-lossis-tsis muaj dab tsi vim nws tsuas yog tshwm sim rau qhov loj txaus depolarizing stimuli, thiab vim tias nws daim ntawv muaj kev ywj pheej ntawm kev txhawb nqa rau suprathreshold.stimuli. Hauv qee cov neurons, ib qho kev ua tau zoo tuaj yeem raug ntxias los ntawm kev tawm tsam ntawm kev txhawb nqa hyperpolarizing (Daim duab 1b).
