Figure 3 : Integrity of the lower brainstem is not essential for
(1) Dotted area: extent of cranial nerves paralyzed after intravertebral
injection of 50 mg of AmobarbItal. Despite extensive involvement of the
brainstem the subject is still able to respond (R) to a sensory stimulus.
See details in text.
After Rossi (1965).
(2) Diagrammatic representation of a pontine lesion (by softening)
resulting in decerebration rigidity with preservation of normal perceptivity
(still able to open and shut eyes wken ordered).
(Halsey andDownie 1966.)