Ch. 3 Consciousness Flashcards
consciousness
subjective awareness of ourselves and our environment
cognitive neuroscience
interdisciplinary study of the brain activity linked with cognition
selective attention
focusing conscious awareness on a particular stimulus
blindsight
person can respond to a visual stimulus without consciously experiencing it
parallel processing
processing many aspects of a stimulus simultaneously
sequential processing
processing one aspect of a stimulus or problem at a time
sleep
periodic, natural loss of consciousness
circadian rhythm
biological clock, regular bodily rhythms
REM sleep
rapid eye movement, recurring sleep stage during which vivid dreams commonly occur
alpha waves
relatively slow brain waves of a relaxed, awake state
hallucinations
false sensory experiences
delta waves
large, slow brain waves
suprachiasmatic nucleus (SCN)
pair of cell clusters in the hypothalamus that controls circadian rhythm
insomnia
recurring problems in falling asleep or staying awake
narcolepsy
uncontrollable sleep attacks