States Of Consciousness Flashcards
Waking consciousness
All thoughts, feelings, and perceptions that occur when we are awake and alert
Altered states of consciousness
Mental state that differs from normal waking consciousness
Daydreaming, sleep, battle rage, panic, etc.
Daydreaming and fantasy- high anxiety people
Have short, loosely connected daydreams related to their worries
Day dreaming and fantasy- Achievement oriented people
Have themes of achievement, guilt, and fear of failure
Daydreaming and fantasy- curious people
Daydream scenes from the objective world
Daydreaming and fantasy- happy people
Solve their problems, think ahead, and distract themselves
Why do we dream?
Stimulate creative imagination (tv decreases this)
Freud says that we express our desires that would make us feel guilty (sex)
Helps people cope with bad situations such as POWS
Memory
Circadian - sleep cycle
Sets biological rhythms for metabolism, stomach acid, alertness, body temp, and blood pressure
Cause of jet lag
Controlled by a cluster of neurons in the hypothalamus that respond to levels of specific patterns
Epinephrine
Peaks in late morning and causes peak arousal
Melatonin
Released by pineal gland
Light hitting the suprachiasmatic nucleus in the retina turns off pineal gland and wakes you up
Adenosine
Makes person feel tired
Caffeine wakes you up because it blocks adenosine
Sleep stages
Each stage of sleep is marked by characteristic brain wave patterns
Awake
Beta waves all over the brain. The person is alert
Stage 1
Alpha waves Low voltage, irregular Person is relaxed Easily aroused Sleep spindles might occur
Stages 2 and 3
Progressively deeper sleep
Amplitude increase, frequency decrease
Harder to wake
Stage 4
Delta brain waves
Very hard to wake
Delta dreams: random vision, sound, or thought
Reverse back to stage 1 but less muscle tone
Stage 5
R.E.M (rapid eye movement)
Paralyzed neck down in shift from delta to REM
4-5 episodes a night
Brain produces growth hormones and neural repair takes place
Dreams
4-5 times a night
Vivid, visual, and auditory
Brain is alert, receiving messages from memory only
What do dreams mean?
Freud: “we must distinguish between the surface meaning and hidden meaning of a dream.”
Neurologist view on dreams
Generated outbursts of nerve-cell activity
Reprocessing info to strengthen memory
Dream content compliments the day- if you are lonely you dream about being with other people
Sleep deprivation
People become anxious, lack of concentration, hallucinations
REM Rebound
Less sleep=longer rem time
Sleep talking/walking
Mostly during stage 4
Not dangerous to wake them
Can go complex activities and answer questions
Sleep disorders
Insomnia- caused by stress
Apnea- interrupted sleep because of breathing problems
-can be cause of SIDS