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Consciousness Chapter 4
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Biofeedback Biofeedback is a technique by which one can monitor and control involuntary activity of the body’s organs
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Hypnosis Hypnosis was defined by Hilgard as an altered state of consciousness Suggestibility is an ability to be hypnotized
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Meditation Meditation is the use of a variety of techniques to produce a state of consciousness characterized by a sense of detachment
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Meditation Two types of meditation are mindfulness (emptying one’s mind) and concentration (concentrating on images or mantras)
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Altering Consciousness A drug is a chemical substance that alters biological or cognitive processes Psychoactive drugs alter behaviour, thoughts, and emotions by affecting biochemical reactions in the nervous system Addictive drug causes a compulsive physiological need and withdrawal symptoms
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Altering Consciousness Substance abuser overuses and relies on drugs to deal with stress and anxiety Psychological dependence is a compelling desire to use a drug with an inability to inhibit that desire
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Altering Consciousness Withdrawal symptoms are physiological reactions that occur when an addictive drug is no longer administered Tolerance means higher and higher doses of a drug are needed to produce the same effect
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Sedative-Hypnotics Alcohol depresses brain activity and decreases inhibitions Alcohol-related problems are medical, social or psychological problems associated with alcohol use Other sedative-hypnotics include barbiturates, tranquilizers, and opiates
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Sedative-Hypnotics Opiates include opium, morphine, heroin Their medical uses include pain relief In the brain, opiates occupy endorphin receptors
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Sedative-Hypnotics Opiates produce high tolerance and dependence in many of those who use them for pleasure Few people given opiates for pain relief in hospitals become addicted
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Stimulants Psychostimulants are drugs that increase alertness, reduce fatigue, and elevate mood states Amphetamines produce strong dependence Cocaine also increases alertness, and rapidly creates positive feelings
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Stimulants Coca-Cola (until the 1940’s or1960’s) Amphetamines Speed Cocaine Crack Myth-amphetamine
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Stimulants Nicotine is the addictive drug in tobacco, and nicotine withdrawal is unpleasant Nicotine does not have strong tolerance properties, but dependence on it is strong
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Psychedelic Drugs Psychedelics affect mood, thought, memory, judgment, and perception LSD produces altered perception of visual and auditory stimuli, and changes in time and distance perceptions
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Psychedelic Drugs Marijuana is the dried leaves and flowering tops of the Cannabis Sativa plant Marijuana affects judgment and coordination, but produces neither tolerance nor dependence
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Self Consciousness
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Self-Perception
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Asomatognosia
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