Two Groups of Well-Trained Rats Were Placed on Extinction

question 413

Multiple Choice

Two groups of well-trained rats were placed on extinction. One group was punished with a slap on the paw for each bar press, while the other group was not. The experimenters found that bar pressing

• A)reached extinction quicker for the rats whose paws were slapped.
• B)reached extinction quicker for the rats whose paws were not slapped.
• C)temporarily slowed for the rats whose paws were slapped with no difference in extinction time.
• D)remained high for both groups with extinction never being reached for either group of rats.

---

Definitions:

Myelin Sheath

A protective covering made of fatty substances and proteins that surrounds the axons of many neurons, enhancing the speed of nerve impulse transmission.

Neuron Structure

Describes the anatomy of a neuron, including parts such as the cell body, dendrites, axon, and synaptic terminals, which facilitate nerve impulse transmission.

Electrical Cord

A flexible cable comprised of one or more electrical conductors, typically encased in insulation, used to transmit power.

Nodes of Ranvier

Nodes of Ranvier are gaps in the myelin sheath of nerve fibers where axonal membranes are exposed, enabling rapid transmission of nerve impulses.