The Use of Preferential Looking to Measure Infants' Visual Acuity

question 43

Multiple Choice

The use of preferential looking to measure infants' visual acuity draws from research demonstrating that infants consistently prefer to look at _____ over _____.

• A) simple designs; complex designs
• B) the colour red; the colour blue
• C) their mothers' faces; their fathers' faces
• D) a pattern; a gray block

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Definitions:

Alpha Wave

Brain waves detected by an electroencephalogram that indicate a state of relaxation or calmness, typically present when a person is awake but relaxed.

Theta Wave

A type of brainwave pattern associated with sleep, deep relaxation, and some stages of meditation, usually in the frequency range of 4-8 Hz.

Delta Wave

The slowest type of brain wave, characteristic of deep sleep and indicative of restorative, unconscious processing.

Narcolepsy

A chronic sleep disorder characterized by overwhelming daytime drowsiness and sudden attacks of sleep, often linked to an abnormality in the brain's control over sleep and wakefulness.