Assertion: olfactory nerve's input | /r/CapableOf | maintain the function of the muscles
Facets:
value: in the upper face
type: LOCATION
Source sentences:
text: The muscles in the forehead remain unaffected because they receive input from both the left and right cerebral hemispheres: input from the ipsilateral hemisphere maintains the function of the muscles in the upper face even when input from the contralateral hemisphere is lost.