What Effect Would Blocking Dorsal Striatal Plasticity Have on Rats

question 13

Multiple Choice

What effect would blocking dorsal striatal plasticity have on rats that are being conditioned to associate a specific location with a drug such as cocaine?

• A) no changes would be seen in rat behaviors
• B) rats would spend more time in the chamber associated with the drug
• C) rats would spend less time in the chamber associated with the drug
• D) rats would show changes in fos signaling.

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Definitions:

Motor Units

A motor unit consists of a single motor neuron and all the muscle fibers it innervates, essential for muscle contraction.

All Or None

A principle stating that a neuron either fires with a full response or does not fire at all, depending on stimulus strength.

Contraction

The process in which a muscle becomes shorter and tighter, producing movement or exerting force.

Single Muscle Contraction

The process by which a muscle fiber receives a nerve impulse and momentarily contracts or shortens.