Rapid eye movement

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Rapid Eye Movement (REM)

Rapid Eye Movement (REM) [1] is a unique phase of sleep in mammals and birds, characterized by random movement of the eyes, low muscle tone throughout the body, and the propensity of the sleeper to dream vividly.

Etymology

The term "Rapid Eye Movement" was coined by Aserinsky, Eugene and Kleitman, Nathaniel in 1953, referring to the rapid movement of the eyes that occurs during this stage of sleep.

Description

During REM sleep, the brain's electrical activity is similar to that seen during waking hours; but the muscles of the body are in a state of paralysis, a condition known as REM atonia. This is thought to be a protective measure to prevent the dreamer from physically acting out their dreams.

Related Terms

See Also

References

  1. == Template:IPA == The Template:IPA (International Phonetic Alphabet) is a system of phonetic notation based primarily on the Latin alphabet. It was devised by the International Phonetic Association in the late 19th century as a standardized representation of the sounds of spoken language.

    Pronunciation

    The pronunciation of the term "IPA" is /aɪ piː eɪ/ in English.

    Etymology

    The term "IPA" is an acronym for the International Phonetic Alphabet. The International Phonetic Association, founded in 1886, created the IPA to provide a single, universal system for the transcription of spoken language.

    Related Terms

    • Phonetic notation: A system used to visually represent the sounds of speech. The IPA is one type of phonetic notation.
    • Phonetics: The study of the physical sounds of human speech. It is concerned with the physical properties of speech sounds (phonemes), and the processes of their physiological production, auditory reception, and neurophysiological perception.
    • Phonology: The study of the way sounds function within a particular language or languages. While phonetics concerns the physical production, acoustic transmission and perception of the sounds of speech, phonology describes the way sounds function within a particular language or languages.
    • Transcription (linguistics): The systematic representation of spoken language in written form. The source of the words transcribe and transcription, the term means "to write across" in Latin, and it's the process of converting spoken language into written form. In linguistics, this is often done using the IPA.

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