Assertion: concussion | /r/DefinedAs | a head injury
Facets:
value: frequently
type: TEMPORAL
value: typically
type: DEGREE
Source sentences:
text: Concussion, also known as mild traumatic brain injury (mTBI), is typically defined as a head injury that temporarily affects brain functioning.
text: Frequently concussion is defined as a head injury with a temporary loss of brain function, with a variety of physical, cognitive, and emotional symptoms.