A Pigeon Learns to Peck at a Disk Lighted Green

question 252

Multiple Choice

A pigeon learns to peck at a disk lighted green to receive reinforcement,but not at a disk lighted red.This means that,for the pigeon,the color of the disk is a

• A) reinforcer or nonreinforcer
• B) punisher or nonpunisher
• C) generalization stimulus
• D) discriminative stimulus

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Definitions:

Cochlea

A spiral-shaped cavity in the inner ear that is essential for hearing, containing the organ of Corti, which translates sound vibrations into nerve impulses.

Cone Photoreceptors

Specialized types of photoreceptor cells in the retina of the eye that function in color vision and day light.

Tunics

Layers or coats surrounding certain organs or tissues, notably in the eyes and the blood vessels.

Oblong

Having an elongated shape, typically rectangular but with the length considerably greater than the width.