Muir and Mitchell's Visual Pattern Discrimination Tests on Kittens Raised

question 20

Multiple Choice

Muir and Mitchell's visual pattern discrimination tests on kittens raised in an environment devoid of certain visual stimuli demonstrated that:

• A) while the sensation abilities of the kittens raised in the deprived environment were affected, their perceptual abilities were not.
• B) the "critical period" in the kittens' perceptual development was not as critical as previous researchers had thought it to be.
• C) kittens raised in the deprived environment had a specific pattern of feature detectors in their brains.
• D) kittens raised in the deprived environment were able to discriminate test patterns as well as kittens raised in a normal environment.

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Definitions:

Eardrum

A thin membrane that separates the outer ear from the middle ear and vibrates in response to sound waves.

Audiometer

An instrument used to assess hearing acuity by generating tones of specific frequencies and intensities.

ENT

Abbreviation for Ear, Nose, and Throat, a medical specialty focusing on disorders of these regions.

Decibel

A unit of measurement for the intensity of sound, denoting relative loudness.