sleep cycle

sleep cycle

a recurring pattern of sleep stages in which a period of slow-wave sleep is followed by a period of REM sleep. In humans, a sleep cycle lasts approximately 90 minutes.

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complex motives

complex motives simultaneous, multiple desires to achieve o...

racial prejudice

racial prejudice see racism.

brain–machine interface (BMI)

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congenital color blindness

congenital color blindness see color blindness.

DL

DL abbreviation for difference limen. See difference thresh...

Helmholtz theory

Helmholtz theory in audition, the still-controversial theor...

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