Herbert,the Rat,is Put in a Cage That Is Chilly

question 47

Multiple Choice

Herbert,the rat,is put in a cage that is chilly.He operates in the environment by moving around the cage and bar-pressing.He discovers that moving around and bar-pressing have no impact on the temperature of the cage or anything else.Soon,Herbert stops moving around the cage at all,and when the temperature could be controlled through bar-pressing,he doesn't figure it out.Herbert is experiencing ____.

• A) learned helplessness
• B) stimulus discrimination
• C) punishment
• D) negative reinforcement

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Definitions:

Infraspinatus

A muscle located on the back of the shoulder blade that is responsible for the external rotation of the shoulder joint.

Deltoid Group

A group of muscles in the shoulder responsible for arm abduction, flexion, extension, and rotation.

Trapezius Group

A large muscle group in the back that is responsible for moving, rotating, and stabilizing the scapula and extending the neck.

Dorsal Surface

The dorsal surface refers to the back side of an organism or the upper side of body parts that lie horizontally.