Assertion: hormone corticosterone | /r/Causes | substantial increase
Facets:
value: in lever
type: OTHER
Source sentences:
text: As shown in the middle graph, only the combination of low-dose cocaine and the stress hormone corticosterone caused a substantial increase in lever pressing from about 10 presses before this treatment to about 50 presses after receiving the low-dose cocaine–corticosterone combination; the intensity of lever pressing after a rat received cocaine or corticosterone alone was comparable to that immediately before the rat received one of the two agents.