psych ch 4 Flashcards
when light strikes the retina, it signals the suprachiasmatic nucleus to alter production of _______ by the pineal gland.
melatonin
our inability to fall asleep as early as we had planned, is most likely a result of
the circadian rhythm
terry has not had a decent night of sleep in over a week. if this sleep deprivation continues, he will become increasingly susceptible to
viral infections
the tendency to maintain a balance, or optimal level, within a biological system
homeostasis
Ali is aware of his feelings, emotions, and thoughts. he is also aware of his surroundings, the warmth of the sun, and the sound of nearby traffic. Ali is in a state of
consciousness
which of the following statements about sleep deprivation is false?
can be found to lead to ADHD
Mona lives on the east coast of the USA. she takes an overnight flight to the west coast to visit with family for a month; when she arrives she is fatigued, sluggish, and irritable. for the next week or so she has trouble sleeping. Mona is probably suffering from
jet lag
meletonin release from the pineal gland is stimulated by _____ and inhibited by _____
darkness; lightness
conciousness is best defined as
our awareness of internal and external stimuli
high levels of sensory awareness, thought, and behavior are characteristic of
wakefulness
that slow-wave sleep after learning a new task can improve resultant performance on that task supports
the impact of sleep on cognitive function
which of the following would be an explanation for sleep based on evolutionary psychology
sleep patterns are an adaptive response to predatory risks
a sleep-deprived individual will fall asleep more quickly during subsequent opportunities for sleep. this is known as
sleep rebound
which of the following would be an explanation for sleep based on cognitive psychology?
sleep deprivation results in memory deficits
of the following, which part of the brain is least involved in sleep cycles?
Broca’s Area