Kandel and Colleagues Stimulated the Tail of an Aplysia with a Mild

question 162

Multiple Choice

Kandel and colleagues stimulated the tail of an Aplysia with a mild electric shock, which caused contraction of its gill. They then successfully produced a long-term memory in the Aplysia by demonstrating that gill contraction speed changed:

• A)after a second tail stimulation conducted a few seconds after the first stimulation.
• B)after a single tail stimulation conducted days after repeated stimulations.
• C)after a second tail stimulation conducted days after the first stimulation.
• D)with each successive tail stimulation conducted seconds apart.

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Definitions:

Amphetamine

Synthetic compound that increases the neurotransmitter dopamine in the synaptic cleft by reversing the dopamine transporter.

Spine Density

The amount of dendritic spines (tiny protrusions on neurons used for synaptic transmission) present per unit length of dendrite, indicating the potential for synaptic connectivity.

Dorsolateral Region

An area of the brain or body located towards the upper side, often referenced in the context of the prefrontal cortex which is related to cognitive functions.

Orbital Region

The area of the face surrounding the eye, including the eye socket and supporting structures.