Ch. Two: Consciousness Flashcards
Psych
Define Consciousness.
The awareness of internal and external stimuli.
Name the various levels of consciousness.
Daydreaming
Drowsiness
Hallucinations
Hypnosis
Selective v. Divided attention
Selective attention is when conscious awareness processes only a smart part of all we experience.
Divided attention
the ability to focus on multiple tasks or stimuli simultaneously.
Inattentional blindness v. change blindness
Refers to the inability to see an object or a person in one’s midst.
Change blindness is a form of inattentional blindness in which people do not notice changes in the visual scene
Describe the circadian rhythm.
The body’s biological clock that includes sleep and wakefulness
What are some factors that affect the circadian rhythm?
A factor that can affect the circadian rhythm is artificial light.
Describe the characteristics of sleep.
Describe the four stages of sleep.
What is the difference between REM and non-REM sleep?
What are sleep apnea, narcolepsy, insomnia, and night terrors?
They are all forms of sleep disorders
What are the five theories of why we sleep?
- Sleep protects
- Sleep helps us recover
- Sleep helps us remember
- Sleep may play a role in the growth process
- Sleep enhances creativity
What happens when an individual does not get enough sleep?
- Affects mood
- Higher risk of depression
- Depressed immune system
- Decreased reaction time and increased errors
- Increased errors
- Influence weight gain
How much sleep do we need?
What are the characteristics of dreams?
Humans have an average of 6-8 dreams a night that last for about 15-20 minutes.
What are the five perspectives on why we dream?
- Freud’s Wish fulfillment
- Information processing
- Physiological Function
- Activation-synthesis
- Cognitive theory
