Assertion: cerebrum's cortex | /r/CapableOf | show large slow delta waves
Facets:
value: during sleep
type: TEMPORAL
value: in mammals
type: OTHER
Source sentences:
text: In mammals, the cerebral cortex tends to show large slow delta waves during sleep, faster alpha waves when the animal is awake but inattentive, and chaotic-looking irregular activity when the animal is actively engaged in a task.