Synaptic Plasticity Can Be Demonstrated in Relatively Simple Organisms Like

question 117

Multiple Choice

Synaptic plasticity can be demonstrated in relatively simple organisms like Aplysia. Short-term habituation of the gill-withdrawal reflex to repeated stimulation of the siphon has been connected with a(n)

• A) increase in the amount of neurotransmitter released at the sensory-motor synapse.
• B) retraction of synaptic terminals from the sensory neurons onto the motoneurons.
• C) decrease in the amount of neurotransmitter released at the sensory-motor synapse.
• D) increase in the number of inhibitory synapses.

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