Unit 3 Flashcards
consciousness
our awareness of ourselves and our environment
cognitive neuroscience
the interdisciplinary study of the brain activity linked with cognition
dual processing
the principle that information is often simultaneously processed on separate conscious and unconscious places
blindsight
a condition in which a person can respond to a visual stimulus without consciously experiencing it
parallel processing
the processing of many aspects of a problem simultaneously. the brain’s natural mode of processing
selective attention
the focus on conscious awareness on a particular stimulus
cocktail party effect
the ability to attend to one voice among many
inattentional blindness
failing to see visual objects when our attention is directed somewhere else
change blindness
failure to notice a visual image
choice blindness
failure to notice. change in choice
circadian rhythm
our body clock, regular body rhythms that occur during the 24-hour cycle
suprachiasmatic nucleus
a cell cluster in the hypothalamus that controls the circadian rhythm
REM sleep
rapid eye movement sleep, most dreams occur
alpha waves
the relatively slow brain waves of a relaxed brain state
sleep
periodic natural loss of consciousness
hallucinations
false sensory experiances
Delta waves
larger slow brain waves associated with deep sleep (N3)
hypnosis
a social interaction in which one person suggests to another person what certain perceptions, feelings, or thoughts will occur
dissociation
a split in consciousness that allows some thoughts and behaviors to occur simultaneously with eachother
posthypnotic suggestion
a suggestion made during a hypnosis session to be carried out after the subject is no longer hypnotised
insomnia
recurring problems of falling asleep or staying awake
narcolepsy
a sleep disorder characterized by uncontrollable sleep attacks
sleep apnea
a sleep disorder characterized by not breathing during sleep
night terrors
a sleep disorder characterized by high arousal and the appearance of being terrified when sleeping
dream
a sequence of images, emotions, and thoughts passing through a sleeping person’s mind
manifest content
according to Freud, the remembered storyline of a dream
latent content
According to Freud, the underlying meaning of a dream
REM rebound
the tendency of REM sleep to increase following REM sleep deprivation
psychoactive drug
a chemical substance that altars perceptions and moods
substance use disorder
continued substance craving and use despite significant life disruption and physical risks
tolerance
the diminishing effect with regular use of the same dose of a drug, requiring the user to take larger doses of the drug to feel the effect
withdrawal
the discomfort and distress that follows discontinuing an addictive drug or behavior
addiction
compulsive craving for drugs or certian behaviors despite the known adverse concequences
depressants
drugs that reduce neural activity and slow body functions
alcohol use disorder
alcohol use marked by tolerance, withdrawal, and drive to continue problematic use
barbituates
drugs that depress central nervous system activity, reducing anxiety and impairing memory and judgment
opiates
opium and its derivatives that depress neural activity, temporarily lessening pain and anxiety
stimulants
drugs that excite neural activity and speed up bodily functions
amphetamines
drugs that simulate neural activity, causing speeded-up bodily functions and associated energy and mood changes
nicotine
(stimulant) highly addictive psychoactive drug in tobacco
cocaine
(stimulant) produces temporary alertness and euphoria
methamphetamine
(stimulant) a powerful and addictive drug that stimulates the central nervous system and speeds up bodily functions and is associated with energy and mood changes
ecstasy
(stimulant/halluciogen) drug that produces euphoria and social intimacy
hallucinogens
mind-manifesting drugs that distort perceptions and evoke sensory images
near-death experience
an altered state of consciousness reported after a close brush with death
LSD
(hallucinogen) a drug is known as acid
THC
(hallucinogen) major active ingredient in marijuana
hidden observer
a person who is aware of the surroundings
biological rhythm
a series of bodily functions regulated by your internal clock. interchangeable with the circadian rhythm
age regression
when you revert to a younger state of mind
