Aplysia Display Many Forms of Learning Including Habituation and Sensitization

Multiple Choice

Aplysia display many forms of learning including habituation and sensitization. If the siphon is touched, the gill withdraws. How is habituation of this reflex generated?

A) Tail shock in combination with a touch of the siphon
B) Continual tactile stimulation of the siphon results in an increase in the gill withdrawal
C) Continual tactile stimulation of the siphon results in a decrease in the gill withdrawal
D) A single tactile stimulation of the siphon results in long-term changes in the gill withdrawal