sleep and dreams Flashcards
What is stage 2 sleep?
A sleep deeper than that of stage one characterized by slower and more occurring wave patterns
What is stage 3 sleep?
a sleep characterized by slow brain waves
what is stage 4 sleep?
the deepest stage of sleep during which we are least responsive to outside stimulation
what is rem sleep
sleep occupying 20%of an adults sleeping time in which heart rate increases and blood pressure rises
What i s the dreams for survival theory?
Dreams permit information that is critical for our daily survival to reconsidered and reproduced during sleep
unconscious wish fulfillment theory
Dreams represent unconscious wishes that dreamers desire to see fulfilled
What is stage 1 sleep?
the state of transition between wakefulness and sleep.
What is activation synthesis theory?
states that the brain produces random electrical energy during rem sleep that stimulates the memories stored in the brain
What is circadian rhythms
Biological processes that occur regularly a almost 24 hour cycle
what are daydreams
Fantasies that people construct while awake
what is hypnosis?
A trancelike state of heightened susceptibility to the suggestions of others
What is meditation?
A learned method for refocusing attention that brings about an altered state of consciousness
What is a mantra?
A sound word or syllable repeated over and over to aid in meditation
What are psychoactive drugs?
Drugs that influence a persons emotions, perceptions and behavior.
What are addictive drugs?
Drugs that produce a biological or psychological dependence in the user.