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
the large, slow brain waves associated with deep NREM sleep are called
delta waves
when people are experiencing vivid dreams
their eyes are likely to move under their closed eyelids
at 3 o’clock in the morning, John has already slept for 4 hours. as long as his sleep continues, we can expect an increasing occurrence of
REM sleep
Patrick has just entered REM sleep. which of the following is he likely to experience
body paralysis
stage 1 sleep is characterized by a predominance of ___ wave activity in the brain
alpha
Mohammed is sleeping. his eyelids are quivering because his eyes are darting around. Mohammed is probably experiencing ___ sleep
REM
what stages of sleep are you most likely experiencing if an EEG of your brain activity showed sleep spindles and K-complexes?
two
which researcher believed that dreams simply reflect life events that are important to the dreamer
Rosalind Cartwright
in Freud’s model of dreams, the hidden meaning of a dream is called the _____ content
latent
which researcher believed that dreams allow us to tap into the collective unconscious? in this theory, certain symbols in dreams reflect universal archetypes with meanings that are similar for all people regardless of culture or location
Carl Jung
which of the following sleep disorders would be the most incapacitating for a commercial bus driver?
narcolepsy
a CPAP device like the one shown here would be most helpful for someone who suffers from
sleep apnea
it has been found that night terrors
typically occur during NREM 4 sleep
sleepwalking, night terrors, and restless leg syndrome are all examples of
parasomnias
an individual’s airway becomes blocked during sleep when she suffers from
sleep apnea
one highly recommended form of therapy for sleep disorders is
CBT (cognitive behavioral therapy)
when the muscle paralysis associated with the REM sleep phase does not occur, as in the case of comedian Mike Birbiglia, a condition called_____ results
REM behavior disorder (RBD)
