NROB61 Lecture 11 Actual Exam Questions And Correct Detailed Verified Answers.
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Module
AC HPAT
Institution
AC HPAT
traditional view of dendritic tree - correct answer dendrites passively collects and funnels synaptic potentials towards soma and axon
synaptic integration results from simple algebraic summation
axon hillock is where AP is triggered
summation...
traditional view of dendritic tree - correct answer dendrites passively collects
and funnels synaptic potentials towards soma and axon
synaptic integration results from simple algebraic summation
axon hillock is where AP is triggered
summation of post synaptic potentials - correct answer EPSPs cause
depolarization, IPSPs results in hyperpolarization
spatial summation - correct answer Integration by a postsynaptic neuron of
inputs (EPSPs and IPSPs) from multiple sources.
temporal summation - correct answer Summation by a postsynaptic cell of
input (EPSPs or IPSPs) from a single source over time.
dendritic action potentials - correct answer mediated by regenerative Na and
Ca currents
dendritic democracy - correct answer amplitude normalization at soma
ie. same stimulus from different parts along the dendrite stimulate the soma to the same extent despite
cable properties
occurs due to scaling
scaling synaptic inputs - correct answer more distal dendrites depolarize to
higher amplitudes in order to account for distance away from the soma
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