Although both Type I and Type II vestibular hair cells release glutamate onto afferent endings and acetylcholine onto the Type II calyces and Type I soma, what determines whether efferent output is excitatory or inhibitory, everything else being equal (species, age, etc.)?

Question

Quizplus · Accepted Answer

The type of cholinergic receptors used on the afferent endings determines whether the efferent output is excitatory or inhibitory. Different cholinergic receptors can activate different intracellular pathways, leading to either an increase or decrease in the activity of the target cells.

Although Both Type I and Type II Vestibular Hair Cells