Consciousness Quiz Flashcards
our awareness of internal and external stimuli
consciousness
consciousness is a ___________ that ranges from full awareness to deep sleep
continuum
a state marked by relatively low levels of physical activity and reduced sensory awareness
sleep
a state marked by high levels of sensory awareness, thought and behavior
wakefulness
internal rhythms of biological activity
biological rhythms
alertness is associated with _________ body temperatures
higher
sleepiness is associated with _________ body temperatures
lower
a biological rhythm that takes place over a period of about 24 hours
circadian rhythm
the tendency of a biological system to maintain a balance or optimal level
homeostasis
the gland that is the main center for homeostasis
hypothalamus
part of the hypothalamus that contains the brain’s clock mechanism
suprachiasmatic nucleus (SCN)
hormone that helps regulate our sleep-wake cycles
melatonin
gland that releases melatonin
pineal gland
individual differences in circadian patterns of activity are known as a person’s…
chronotype
the brain’s control of switching between sleep and wakefulness, and coordinating the cycle with the outside world
sleep regulation
symptoms result from the mismatch between our internal circadian cycles and our environment
jet lag
consistent difficulty in falling or staying asleep for at least 3 nights a week over a month’s time
insomnia
a schedule that changes from early to late on a daily or weekly basis
rotating shift work
occurs when someone does not get sufficient sleep on a chronic basis
sleep debt
average amount of time adults need to sleep
7-9 hours
newborns can spend up to ____ hours a day sleeping
16
a sleep-deprived individual will fall asleep more quickly during opportunities for sleep
sleep rebound
hormones the pituitary gland secretes during sleep
FSH, LH, and growth hormone
there is arguments that sleep is important for __________ function and ___________ formation
cognitive; memory