Consciousness Flashcards
(20 cards)
Wakefulness and Arousal
Coma -> General Anesthesia ->Deep Sleep -> Drowsiness -> Wakeful and alert -> Excitement -> Hyperarousal
Selective Attention
we have a limited capacity for sensory info
Inattentional Blindness
failure to notice something in the environment
Change blindness
failure to notice change in the environment
Circadian rhythm
Cycle lasts 24 hours
Managed by superchiasmatic nucleus (melatonin and chronotypes)
Rhythms are affected by artificial light
Repair and restore
Pituitary gland releases growth hormones to repair body
Resets overstimulated neurons
Protect and conserve
Protect vs. against dangers
Reduce energy demands
Learn and remember
Consolidate information and stone it into long term memory
Stage 1
Shallow sleep
awareness of outside
Theta waves
Stage 2
Complexes and sleep spindles
Stage 3 and 4
Deeper sleep
Delta waves present
sluggish if woken
REM
Brain is active
beta waves
dreams feel real
Activation synthesis theory
neurons firing randomly
Brain is trying to make it coherent
Problem focused approach
Dreams help with grief or depression
Cognitive Integration approach
Basically what we did during the day
Depressants
slows down CNS
Stimulants
Increases CNS activity
Hallucinogens
Can damage neurons with long term use
Physical dependence
A physiological state associated with tolerance
failure to ingest leads to withdrawal
wanting vs. liking
Psychological dependence
the emotional and mental desire a person has for a drug
Additional vulnerability
Dopamine activity
