Sleep and Dreams

Consciousness

awareness of ourselves and our environment

Selective Processing

focusing on a particular stimulus

Sequential Processing

ability to only focus on one thing at a time; concious

ex. music and studying

Parallel Processing

putting together multiple things of a stimulus into one; unconscious

ex. understanding letters as words

Dual Processing Model

sequential processing and parallel processing

Different states of consciousness

wakefulness, sleep, day dreaming, drug induced, and meditation

Circadian Rhythm

biological clock; occur on a 24/25 hour cycle

How often do we move between distinct cycles while sleeping?

90 minutes

REM sleep

rapid eye movement

when dreams occur

Paradoxical Sleep

active brain, but physically inactive

How many hours of sleep do adults get?

7-8 hours

range: 6-9 hours

Nature for Sleep

genetically influenced

Nurture for Sleep

cultural, environmental

blue light from phone, school starts early

Why do we sleep?

protect, regenerate cells, feed creativity and support growth

Sleep Debt

deficiency from prolonged lack of sleep

How many years of our life do we spend sleeping?

6 years

Freud Theory of Dreams

safe way to express unacceptable feelings

Manifest

what we remember from from the dream

Latent

symbolism in dreams

Activation Synthesis

brain’s way of making sense of random neural development

Where is the seat of conciousness?

In working memory