In Aplysia, what accounts for the habituation of the gill-withdrawal reflex?
A) a decrease in the motor neuron's sensitivity to glutamate
B) an increase in the motor neuron's sensitivity to glutamate
C) a decrease in the amount of glutamate released by the sensory neuron
D) an increase in the amount of glutamate released by the sensory neuron

Question

Quizplus · Accepted Answer

The habituation of the gill-withdrawal reflex in Aplysia is accounted for by a decrease in the amount of glutamate released by the sensory neuron. This reduction in neurotransmitter release leads to a decreased response in the motor neuron, resulting in habituation to the stimulus.

In Aplysia, What Accounts for the Habituation of the Gill-Withdrawal