Unit 5 States of Consciousness

State of Consciousness

• our level of awareness about ourselves and the environment

Timeline 1880’s, Wundt

• Structuralist

• Introspection

1910’s & 1920’s

Behaviorist ( doesn’t care about your feelings)

Wants understand through your conscious behavior

1950’s & 60’s and continues on through the years

Scans, that can detect/show your brain waves ( CAT,MRI,EEG)

Sigmund Freud

Consciousness

• ice berg theory

Conscious

Aware of

Non consciousness

• can get to the surface very quickly

• Focus on Heart rate

• Focus on your breathing

Neurotransmitter: Autonomic

Pre Consciousness

• can quickly get up to the surface

• Memories

Subconscious

• in the middle of the iceberg

• Unaware of: impact behaviors and not damaging

• Ex. Mere-exposure effect

• Ex. priming earlier exposure affects: your ability to relearn a task

Unconscious ( Freud’s Area)

very very deep consciousness

• Freud tries to bring this to the top

• Represses

• psych damaging fixation in negative ways

Dualism

Believes the mind/spirit (consciousness) and the body are two different entities

• thinks your in an out of body experience after death

Monism

Believe the mind/spirit and the body are one and the same when the body is dead your essence are also dead

Sleep

• altered state of consciousness

• diminishes responsiveness

• We can override sleep

Sleep deprivation is associated with

• depression, anxiety, irritability

• Decreased memory ( dementia )

• Break down of immune system

• Slower metabolism

• Heart disease

• Diabetes

• Stroke

• Cognitive decline

• Obesity

Circadian Rhythm

24 hour bio clock

Sleep

90 Min

EEG

Sleep Stage 2

• at this stage 50% of the night

Spindle

Only in sleep stage 2

Rapid burst of brain activity

• Helps memory, editing/storing info from the day

Sleep Stage 4

Deep hard Sleep stage

• Waves are taller and slower

• Delta waves occur in this stage

• Physical restoration: growth

• Brain detoxifies

Stage 5 REM

• REM( Rapid Eye Movement) occurs

• Internally awake / acts as your awake

• Dreams

Beta waves

Awake and alert

Alpha Waves

Awake but alert