The encephale isol preparation is produced by transecting the
A) brain stem just rostral to the superior colliculus.
B) caudal brain stem.
C) brain stem between the colliculi.
D) both A and B
E) both A and C
Question 2
Studies of encephalitis lethargica suggested that the __________ promotes wakefulness
A) posterior hypothalamus
B) preoptic area
C) basal forebrain
D) both A and B
E) both B and C
