A "Split Brain" Patient Is Asked to Stare at a Spot

question 79

Multiple Choice

A "split brain" patient is asked to stare at a spot on a screen.When a picture of an object is shown to the left of the spot,the patient can

• A)identify the object verbally and pick it out of a group of hidden objects using her right hand
• B)identify the object verbally and pick it out of a group of hidden objects using her left hand
• C)pick the object out of a group of hidden objects using her left hand,but cannot identify it verbally
• D)pick the object out of a group of hidden objects using her right hand,but cannot identify it verbally

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Definitions:

Motor Neurons

Nerve cells that originate in the brain or spinal cord and transmit signals to muscles, inducing movement.

Motor Unit Recruitment

Motor unit recruitment involves the activation of additional motor units to increase the strength of a muscular contraction.

Muscle Tension

The force generated by a muscle through contraction, which contributes to various movements, posture maintenance, and stabilization of joints.

Motor Unit

A functional component of the muscular system, consisting of a single motor neuron and all of the muscle fibers it innervates, allowing for precise control of muscle movement.