On the dendrites and subsequently the soma (body) of neurons.
graded (local) potentials
iono
Yes, Graded potentials (otherwise known as postsynaptic potentials) can form on receptor endings.
Postsynaptic potentials are changes in the membrane potential of the postsynaptic terminal of a chemical synapse. Graded potentials are changes in membrane potential that vary in size, as opposed to being all-or-none, and are not postsynaptic potentials.
Graded Potentials
Action potentials also known as spikes, differ from graded potentials in that they do not diminish in strength as they travel through the neuron.
More sodium ions pile up (accumulate) at the axon hillock from the combination of the two (or more) graded potentials, which may be then be sufficient to initiate the action potential.
More sodium ions pile up (accumulate) at the axon hillock from the combination of the two (or more) graded potentials, which may be then be sufficient to initiate the action potential.
conduction and summation of graded potentials.
graded potentials
chemically regulated gates, voltage regulated gates
No, they actually decrease in amplitude as they move away from the stimulus point.