(Video: "Blindsight": Seeing Without Awareness) Although He Is Unaware of Moving

question 477

Multiple Choice

(Video: "Blindsight": Seeing without awareness) Although he is unaware of moving lights in his right visual field, Graham correctly reports the direction of their movement ________ percent of the time.

• A) 60
• B) 70
• C) 80
• D) 90

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Definitions:

Positron Emission Tomography

A type of imaging test that uses a radioactive substance to look for disease in the body, especially in the brain.

Electrical Stimulation

The use of electrical impulses to induce a muscular contraction or stimulate nerves and tissues for therapeutic purposes.

Computerised Tomography

A diagnostic imaging procedure using a series of computer-generated x-rays to create detailed cross-sectional images of the body.

Central Nervous System

Comprised of the brain and spinal cord, this system acts as the principal control center for processing and organizing information throughout the body.