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14 Cards in this Set
- Front
- Back
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alpha waves |
the relatively slow brain waves of a relaxed, awake state. Their frequency is about 8 to 12 Hertz (cycles per second) |
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Beta waves |
the relatively fast and irregular waves of an awake, alert state. These waves are found in both wakefulness and REM sleep. Their frequency is about 12 to 30 Hz |
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Theta waves |
these moderately large and slow waves are found in NREM2 sleep |
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delta waves |
the large, slow brain waves associated with NREM3 sleep |
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deep sleep |
stage NREM3 of the sleep cycle |
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REM |
rapid eye movement sleep; a recurring sleep stage during which vivid dreams commonly occur: also known as paradoxical sleep because the muscles are relaxed (except for minor twitches) but other body systems are active. Dreaming occurs. |
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Electoencephalogram (EEG) |
an amplified recording of the waves of electrical activity that sweep across the brains surface |
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Electroocculagram (EOG) |
an amplified recording of the waves of electrical activity that occur around the eye. Often used in sleep studies. |
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Polygraph |
a device that measures several of the physiological responses accompanying emotion; commonly called a "lie detector." |
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Emotions |
responses of the whole organism; involving physical arousal, expressive behavior, and conscious experiences |
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emotional blends |
a combination of the facial codes associated with two different emotions displayed on the face at the same time |
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facial code |
the system of emotional signals displayed by altering the positions of the facial muscles around the eyes and the mouth |
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primary effects |
the six basic emotions that are displayed on the face: surprise, fear, disgust, anger, happiness, and sadness. Paul Ekman identified these |
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microexpressions |
small brief facial movements that signal emotional experiences, even in people who have been trained to hide their emotions |
