Chp 6 Flashcards
No currently in awareness, but readily available for exp a wiff of pumpkin pie can trigger a memory
MEMORIES
Preconscious
Awareness of oneself and surroundings
Consciousness
(Freud) ideas, motives that are threatening or unacceptable that a person has removed them from consciousness-repressed memories
Unconscious
Bodily processes that cannot be experienced through sensory awareness
Nonconscious
You don’t know what your liver is doing is exp of
Nonconscious
A cycle that is connected with the 24-hour period of the earths rotation
Circadian Rhythm
Rejuvenates the body
helps us recover from stress
Helps us consolidate learning and memories
May promote development of infants brain
Repair Theory
Sleep evolved because it prevented early humans and animals from wasting energy and exposing themselves to the danger of nocturnal predators
Adaptive Theory
What is Melatonin and Adenosine relation to sleep?
They are both hormones that help with the sleep
At night decreases it in the morning to help use wake
Melatonin
Another sleep inducing hormone
Adenosine
Rapid eye movement is present
REM
No rapid eye movement
First Four Stages of sleep
Non-REM
Not true stage of sleep
Pre stage
Relaxed and drowsy
Usually eyes closed
Alpha Stage
%80 of sleep time
Increases with physical activity
Non-REM (NREM)
Transition stage
NOT ASLEEP
Body functions slow down
Stage 1
Feelings of weightless, floating, flashing lights
Hypnagogic state
Reflexive muscle twitch
Hypnic Jerk
First stage of real sleep
Appearance of Sleep spindles
Stage 2
High frequency bursts of brain activity
Sleep spindles
Nothing of importance happens
Delta waves start to appear
Stage 3
Deepest stage of sleep Sleepwalking sleeptalking Night terrors Children may wet the bed
Stage 4
%20 of sleep time
Increases with stress and intense learning
Nightmares
REM
Brain waves resemble awake and alert
Paradoxical sleep
