chapter 3 Flashcards
(40 cards)
cognitive neuroscience
the interdisciplinary study of the brain and the activity linked with cognition. (brain&thought)
consciousness
our awareness of ourselves and our environment. (
dual processing
the principle that information is often simultaneously processed on separate conscious and unconscious tracks. (aware and unaware)
selective attention
the focusing of conscious awareness in a particular stimulus (focused on 1 thing )
inattentional blindness
failure to see visible objects when our attention is directed elsewhere. (gorilla)
change blindness
failing to notice changes in the environment (environment changes)
circadian rhythm
the biological clock(⏰⌛️)
REM sleep
rapid eye movement. a reoccurring sleep stage during which dreams occur. (dreams)
alpha waves
the relatively slow brain waves of a relaxed, awake state (
sleep
periodic, natural, reversible loss of consciousness- a distinct from unconsciousness resulting from a coma of hibernation (
hallucinations
false sensory experiences, suck as seeing something in the absence of an external visual stimulus. (
delta waves
the large, slow brain waves associated with deep sleep.
insomnia
reoccurring problems in falling or staying asleep
narcolepsy
a sleep disorder characterized by uncontrollable sleep attacks
sleep apnea
a sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings
night terrors
a sleep disorder characterizes by high arousal and appearance of being terrified. (not nightmares )
dream
a sequence of images, emotions, and thoughts passing through a sleeping persons mind. hallucinatory, discontinuities, incongruities
manifest content
a remembers story line of a dream
latent content
the underlying meaning of a dream
REM rebound
the tendency for REM sleep to increase following REM sleep deprivation.
hypnosis
a social interaction in which one person suggests to another that certain perceptions, feelings, thought or behaviors will spontaneously occur.
posthypnotic suggestion
a suggestion made during a hypnosis session to be carried out after the subject is no longer hypnotized.
dissociation
a split in consciousness which allows some thoughts and behaviors to occur simultaneously.
psychoactive drug
a chemical substance that alters perceptions and moods.