A Rat Who Has Lost a Couple of Whiskers in an Environmental

question 44

Multiple Choice

A rat who has lost a couple of whiskers in an environmental mishap will

• A) die, because intact whiskers are absolutely essential for survival.
• B) recover, because the surviving surrounding whiskers will grow longer to compensate for the lost ones.
• C) recover, because the surviving surrounding whiskers will grow thicker wider shafts to compensate for the lost ones.
• D) recover, because all the surviving whiskers will become compensate sensory function for that of the lost ones.
• E) recover, because the surviving surrounding whiskers' receptive fields will compensate by taking over the cortical vacancies left by the lost ones.

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Definitions:

Neural Fibers

Long, slender projections of nerve cells, or neurons, that conduct electrical impulses away from the neuron's cell body.

Lateralization

The tendency for some neural functions or cognitive processes to be specialized to one side of the brain or the other.

Recognize Faces

The ability of an individual's brain to identify and remember faces of different people.

Right Hemisphere

The right side of the brain, responsible for spatial abilities, visual imagery, and music perception, often associated with creativity.