12. The Central Nervous System

Choose the correct term from the key to respond to the statements describing various brain areas.

Key:

a. Cerebellum

b. Corpora quadrigemina

c. Corpus callosum

d. Striatum

e. Hypothalamus

f. Medulla

g. Midbrain

h. Pons

i. Thalamus 

________ (1) basal nuclei involved in fine control of motor activities  

________ (2) region where there is a crossover of fibers of descending pyramidal tracts  

________ (3) control of temperature, autonomic nervous system reflexes, hunger, and water balance 

________ (4) houses the substantia nigra and cerebral aqueduct 

________ (5) relay stations for visual and auditory stimuli input; found in midbrain 

________ (6) houses vital centers for control of the heart, respiration, and blood pressure 

________ (7) brain area through which all the sensory input is relayed to get to the cerebral cortex 

________ (8) brain area most concerned with equilibrium, body posture, and coordination of motor activity

Explain the importance of the blood brain barrier, and list the structures that form it.

Match the term on the left with its correct description from the column on the right.     

____ REM sleep     

____ Stage I sleep     

____ Delta waves     

____ Beta waves     

____ Theta waves     

____ Stage IV sleep

a. The EEG pattern seen in the deepest stage of sleep

b. The deepest stage of sleep

c. The EEG pattern seen in an alert, awake adult

d. Drowsiness or the lightest stage of sleep

e. The EEG pattern seen in lighter stages of sleep

f. The stage of sleep during which most dreaming takes place