Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Psychology 4
Chapter 4
| Term | Definition |
|---|---|
| Microsleep | Brief episode of sleep that occurs in the midst of a wakeful activity. |
| Circadian rhythm | Changes in bodily processes that occur repeatedly on approx. a 24-25 hour cycle. |
| Suprachiasmatic nucleaus (SCN) | A group of brain cells located in the hypothalamus that signal other brain areas when to be aroused and when to shut down. |
| Melatonin | Hormone in the body that facilitates sleep. |
| Non-REM sleep | Relaxing state of sleep in which the individual's eyes don't move. |
| REM sleep | Active state of sleep in which the individual's eyes move. |
| REM behavior disorder | A condition in which normal muscle paralysis doesn't occur, leading to violent movements during REM sleep. |
| Manifest content | According to Freudian theory, what the dreamer recalls on awakening. |
| Latent content | According to Freudian theory, the symbolic meaning of a dream. |
| Activation-synthesis theory | Suggests that dreams don't have symbolic meaning, but are the by-product of the brain's random firing of neural impulses during REM sleep. |
| Sleep disorder | A disturbance in the normal pattern of sleeping. |
| Insomnia | A sleep disorder in which a person cannot get to sleep or stay asleep or both. |
| Narcolepsy | A rare sleep disorder in which an individual falls asleep during alert activities during the day. |
| Sleep apnea | A sleep disorder in which a person stops breathing during sleep. |
| Night terrors | Very frightening non-REM sleep episodes. |
| Nightmare | A brief, scary REM dream that is often remembered. |
| Enuresis | A condition in which a person the age of 5 shows an inability to control urination during sleep. |
| Hypnosis | A state of heightened suggestibility. |
| Dissociation theory | Hilgard's proposal that hypnosis involves two simultaneous states: a hypnotic state and a hidden observer. |
| Response set theory of hypnosis | Asserts that hypnosis is not an altered state of consciousness, but a cognitive set to respond appropriately to suggestions. |
| Psychoactive drugs | Substances that influence the brain and thereby the behavior of individuals. |
| Tolerance | Condition in which after repeated use, more of a drug is needed to achieve the same effect. |
| Substance dependence | A condition in which a person needs a drug in order to maintain normal functioning. |
| Withdrawal symptoms | Physical or behavioral effects that occur after a person stops using a drug. |
| Substance abuse | Loss of control over one's drug use. |
| Depressants | Drugs that inhibit or slow down normal neural functioning. |
| Fetal alcohol syndrome (FAS) | A birth condition resulting from a mother's chronic use of alcohol during pregnancy that is characterized by facial and limb deformities and intellectual impairment. |
| Opiates | Painkilling drugs that depress some brain areas and excite others. |
| Stimulants | Drugs that speed up normal brain functioning. |
| Hallucinogens | Drugs that simultaneously excite and inhibit normal neural activity, thereby causing distortions in perceptions. |
| Tetrahydrocannibinol (THC) | The active ingredient in marijuana that affects learning, short term memory, coordination, emotion, and appetite. |
| Sleep walking | A sleep disorder in which a person is mobile & may perform actions during stage IV sleep. |
Created by:
cpruett8
Popular Psychology sets