Arab medicine

Avicenna
(980 - 1037):

"Canon medicinae"
(The Canon of Medicine)

"Epilepsy is a disease which prevents those organs affected from using the senses, moving and walking upright.

And this is caused by a blockage. Usually it is a general seizure, caused by some damage, which affects the front cerebral ventricle, [...] and it is impossible for the person affected to remain standing upright."

• Correct statement:
• Crisis epilépticas originate in the brain and often lead to loss of upright posture (falling) and "impairment of the senses" (e.g. twilight states or unconsciousness).

• Incorrect statement:
• Crisis epilépticas are caused "mechanically" by a blockage and are localised in the front cerebral ventricle.
  (Correct: Epileptic seizures are the result of a stimulation disturbance in the cerebral nerve cells.)