Assertion: central nervous system's role | /r/HasProperty | determined
Facets:
value: by studying one famous epileptic patient
type: MANNER
value: partially
type: DEGREE
Source sentences:
text: The role of the hippocampus in memory was partially determined by studying one famous epileptic patient, HM, who had both sides of his hippocampus removed in an attempt to cure his epilepsy.