After Split-Brain Surgery, Jerad Is Able to Verbally Identify an Image

question 119

Multiple Choice

After split-brain surgery, Jerad is able to verbally identify an image flashed to his right visual field, but is unable to name the object when presented to the left visual field. Why is Jerad able to name the objects under one condition, but not the other?

• A) His left hemisphere has been removed in the surgery. The left hemisphere controls the right side of the body and so he is unable to move his mouth to name objects.
• B) His right hemisphere has been removed in the surgery. The right hemisphere controls the right side of the head and so he is unable to move his mouth to name objects.
• C) The corpus callosum has been severed. The right hemisphere language areas are unable to process the visual information from the right eye, but are able to process visual information from the left eye.
• D) The corpus callosum has been severed. The left hemisphere language areas are unable to process the visual information from the left visual field, but are able to process visual information from the right visual field.

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Definitions:

Shortage of Services

A situation where the demand for healthcare or social services exceeds the available supply.

Unsupervised

The process or condition of performing or being without direct oversight or control.

Schizophrenia

A chronic and severe mental disorder affecting how a person thinks, feels, and behaves, characterized by delusions, hallucinations, and other cognitive difficulties, leading to impaired functioning.

On Their Own

Refers to the act of being independent or self-sufficient, without needing help from others.