Which of the following statements is true about presynaptic inhibition?
presynaptic inhibition into two categories: (1) inhibition mediated by axo-axonic or dendro-axonic projections (i.e., a third pay interferes with the transmission of synaptic responses between a synaptically coupled pair of two neurons), which we may describe as heterosynaptic inhibition; and (2) inhibition mediated by the release of neurotransmitter from the active presynaptic terminal itself, or autoreceptive inhibition Ref: guyton and hall textbook of medical physiology 12 edition page number:546,547,548
It results due to failure of the action potential to reach the synapse
It occurs due to hyperpolarisation of presynaptic membrane
It occurs due to inhibition of release of neurotransmitter from presynaptic terminal
It occurs due to blockade of neurotransmitter receptors
Nervous system