Specialized Fibers

Question 0

Internal Capsule

Answer 0

The Internal Capsule, which is composed of neurons, allows for the transmission of information between the lobes of the brain.

Question 1

Corpus Callosum

Answer 1

The “information super highway” of the brain and allows for communication between the hemispheres.

Question 2

Thalamus

Answer 2

A paired structure which regulates sensory information flowing into the brain and is critical to the maintenance of awareness, alertness, and sleep-wake cycles.
Disorders of the thalamus could result in insomnia (or other sleep disturbance) and decreased sensory perception.

Question 3

Hypothalamus

Answer 3

Regulates automatic body functions such as hunger, emotion, and metabolism.
Disorders of the hypothalamus could result in excessive eating or lack of eating along with emotional instability.

Question 4

Basal Ganglia

Answer 4

1) A highly complex system of neural cells that have nuclei with many subcortical and cortical areas.
2) Part of the motor regulatory system.
3) Located near the thalamus.

Question 5

Diencephalon

Answer 5

1) This structure lies superior to the midbrain between the brainstem and the cerebral hemispheres.
2) Contains the third ventricle, thalamus, epithalamus, hypothalamus, and subthalamus.