Study Guide for – Consciousness WAKING AND SLEEPING RHYTHMS Discuss the nature of consciousness and its significance in the history of psychology. Explain what is meant by selective attention and discuss the different levels of information processing. Describe the cyclical nature of sleep. Discuss the effects of sleep deprivation and the possible functions of sleep. Identify and describe the major sleep disorders. Describe the normal content of dreams. Discuss the possible functions of dreams as revealed in various theories. Describe the bodily changes that accompany REM sleep. Describe the effects of sleep deprivation. Provide a brief definition of the following KEY TERMS: Consciousness Selective attention Circadian rhythm REM sleep Sleep Hallucinations Insomnia Narcolepsy Sleep apnea Night terrors Dream Manifest content Latent content REM rebound DRUGS AND CONSCIOUSNESS Discuss the physical and psychological effects common to all psychoactive drugs. State three common misconceptions about addiction. Describe the physiological and psychological effects of depressants. Describe the physiological and psychological effects of stimulants. Describe the physiological and psychological effects of hallucinogens. Describe how a person’s expectations can influence the behavioral effects of alcohol. Identify several characteristics of teens who are especially likely to begin smoking. Describe some of the physical and psychological effects of marijuana. Discuss the biological roots of drug use. Discuss the psychological and social roots of drug use. Provide a brief definition of the following KEY TERMS: Psychoactive drug Tolerance Withdrawal Physical dependence Psychological dependence Depressants Barbituates Opiates Stimulants Amphetamines Ecstasy Hallucinogens LSD