Temporal summation tshwm sim thaum muaj qhov muaj peev xwm ua tau zoo hauv presynaptic neuron elicits postsynaptic peev xwm uas sib koom ua ke. … Qhov no tso cai rau cov membrane muaj peev xwm ncav cuag qhov pib ua kom muaj peev xwm ua tau.
Qhov twg ua qhov muaj peev xwm Summate?
Txawm li cas los xij, lub tshuab hluav taws xob muaj peev xwm tuaj yeem pib ua qhov muaj peev xwm ua haujlwm hauv qhov kev hnov mob neuron axon, thiab postsynaptic muaj peev xwm tuaj yeem pib muaj peev xwm ua haujlwm hauv axon ntawm lwm cov neurons. Qib qhov muaj peev xwm sib sau ua ke ntawm qhov chaw tshwj xeeb ntawm qhov pib ntawm axon txhawm rau pib qhov peev xwm ua, uas yog ntu pib.
Yuav ua li cas ob qhov kev ua tau zoo Summate?
Yog li, ob qhov kev ua tau zoo ua rau muaj peev xwm ua tiav uas yog kwv yees 2 mV hauv amplitude. Peb qhov kev ua tau zoo hauv kev ua tiav sai yuav ua rau muaj peev xwm ua tiav ntawm kwv yees li 3 mV.
Puas muaj peev xwm ua tau kwv yees tau?
Ib qho peev xwm ua tau yog predictable hloov hauv daim nyias nyias muaj peev xwm uas tshwm sim vim qhib thiab kaw ntawm qhov hluav taws xob gated ion channels ntawm lub cell membrane.
Yuav ua li cas muaj peev xwm unidirectional?
Tsis zoo li qhov muaj peev xwm ua tau zoo, qhov kev tshaj tawm ntawm qhov kev ua tau zoo yog unidirectional, vim tias lub sijhawm refractory kiag li tiv thaiv kev pib ntawm AP hauv thaj tsam ntawm daim nyias nyias uas nyuam qhuav tsim AP..
