Assertion: brain | /r/CapableOf | play role
Facets:
value: in declining cognition
type: OTHER
value: in memory
type: LOCATION
value: in increased depression
type: OTHER
Source sentences:
text: Neurotransmitter systems: Researchers suggest that the brain generates less chemical messengers with aging, and it is this decrease in dopamine, acetylcholine, serotonin, and norepinephrine activity that may play a role in declining cognition and memory and increased depression.