Dr Johnson Briefly Flashed a Picture of a Key in the Right

question 572

Multiple Choice

Dr. Johnson briefly flashed a picture of a key in the right visual field of a split-brain patient. The patient could probably

• A)verbally report that a key was seen.
• B)write the word key using the left hand.
• C)draw a picture of a key using the left hand.
• D)do none of these things.

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Definitions:

Olfactory Bulb

A brain structure involved in the sense of smell, processing information from olfactory receptor cells.

Occipital Lobe

The region of the cerebral cortex located at the back of the brain, primarily involved in processing visual information.

Sympathetic Nervous System

The subdivision of the autonomic nervous system that mobilizes bodily resources and increases the output of energy during emotion and stress.

Epinephrine

A hormone and neurotransmitter also known as adrenaline, involved in the body's fight-or-flight response by increasing heart rate, muscle strength, and blood pressure.