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Psychology

Chapter 3 Consciousness and the two-track mind

TermDefinition
THC Major active ingredient in Marijuana; Triggers a variety of effects, including mild hallucinations.
Hallucinogens Psychedelic drugs distorting perceptions, evoking sensory images in the absence of sensory input.
Amphetamines Drugs that stimulate neural activity, speeding up body functions, associates energy, mood changes.
Stimulants Drugs that excite neural activity and speed up body functions.
Barbiturates Drugs that depress the CNS activity, reducing anxiety but impairs memory and judgment.
Alcohol Dependence Alcohol use with tolerance, withdrawal if suspended, continues to abuse.
Psychological Dependence Psychological need to use a drug to relieve negative emotions.
Depressants Drugs that reduce neural activity and slows body functions.
Physical Dependence Physiological need for a drug, suffering unpleasant with-drawal symptoms when the drug is discontinued.
Tolerance With repeated use, achieving the desired effect requires larger doses.
Psychoactive Drug Chemical substance that alters perceptions and moods.
Posthypnotic Suggestion A suggestion, made during hypnosis, to be carried after the person is no longer under hypnosis.
Dissociation Split in consciousness, allows thoughts and behaviors to occur with others.
REM Rebound Sleep increase followed by sleep deprivation. Created by repeated awakenings.
Latent Content Underlying meaning of a dream.
Manifest Content Remembered storyline of a dream.
Sleep Apnea Sleep disorder caused by temporary breathing during sleep, repeated awakenings.
Suprachiasmatic Nucleus Pair of cell clusters in the Hypothalamus responding to light-sensitive retinal proteins.
Delta Waves Large, slow brain waves associated with deep sleep.
Alpha Waves Slow brain waves of a relaxed, awake state.
Change Blindness Failure to notice changes in the environment.
Inattentional Blindness Failure to see visual objects when attention is focused elsewhere.
Selective Attention Focused conscious awareness
Cognitive Neuroscience Interdisciplinary study of the brain activity linked to cognition with perception, thinking, memory and language included.
Dual Processing Perception, memory, thinking, language and attitudes operating on 2 levels processed simultaneously.
Consciousness Our awareness of ourselves and our environment.
Blindsight Responding visually without consciously experiencing it.
Circadian Rhythm Biological clock; regular bodily rhythms that occur on a 24hr cycle.
REM Sleep (Rapid Eye Movement) Recurring sleep during vivid dreams. Muscles relaxed, body systems active.
Sleep Periodic, natural loss of consciousness.
Hallucinations False sensory experience, seeing something in absence of external visual stimulus.
Insomnia Recurring problems in falling or staying asleep.
Narcolepsy A sleep disorder caused by sleep attacks.
Night Terrors Sleep disorder caused by high arousal and being terrified.
Dream A sequence of images, emotions, and thoughts passing through a sleeping person's mind.
Hypnosis Social interaction involving perceptions, feelings, thoughts, or behaviors occurring spontaneously. (Hypnotist)
Addiction Compulsive drug craving and use, despite adverse consequences.
Opiates Opium and its derivatives, depressing neural activity, temporarily lessening pain and anxiety.
Nicotine Stimulating, highly addictive psychoactive drug in tobacco.
Methamphetamine Powerfully addictive drug that stimulates the CNS, with speedy body functions, associated with energy and mood changes. Reduces baseline dopamine levels.
Near-Death Experience Altered state of consciousness after a close brush with death.
Withdrawal Discomfort and distress that follow discontinuing the use of an addictive drug.
LSD (Lysergic Acid Diethylamide) Powerful Hallucinogen drug. Also known as "Acid"
Ecstasy (MDMA) Synthetic stimulant and mild hallucinogen producing euphoria and social intimacy.
Created by: 100005916311760
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