Assertion: acetylcholine's role | /r/HasProperty | expanded over the course of evolution
Facets:
value: since this earliest biological function
type: TEMPORAL
value: since
type: TEMPORAL
value: to become involved
type: PURPOSE
Source sentences:
text: Since this earliest biological function, its role has since been expanded over the course of evolution to become involved in a wide range of important functions including muscular control, sleep regulation, and even higher cognitive functions, such as learning and memory .