The mismatch negativity to frequency deviant stimuli during natural sleep.

The mismatch negativity to frequency deviant stimuli during natural sleep. Research Abstract Details 

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The mismatch negativity to frequency deviant stimuli during natural sleep. Abstract Text:

Eight subjects spent a single night in the sleep laboratory. Event-related potentials (ERPs) were recorded during the presentation of two auditory "oddball' stimulus conditions in which tonal frequency was manipulated. In the first condition, 1000 Hz "standard' and 2000 Hz "deviant' tones were presented. In the second condition, the deviant tone was reduced to 1050 Hz. In both conditions, deviant probability was 0.2. Stimuli were presented every 600 ms during wakefulness and stages 2, 4, and REM of sleep. A distinctive N1 wave was visible in both stimulus conditions when the subject was awake. The deviant stimuli elicited a "mismatch negativity' (MMN) that inverted in polarity at the mastoid. In REM sleep, an N1 and a MMN were also elicited in both conditions. In the large deviance condition, the MMN had a slightly attenuated amplitude and was shorter in duration while in the small deviant condition, its peak latency was unusually early. Neither the N1 nor the MMN could be recorded in non-REM sleep.

The mismatch negativity to frequency deviant stimuli during natural sleep. Publishing Authors By Initials

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The mismatch negativity to frequency deviant stimuli during natural sleep. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Electroencephalography and clinical neurophysiolog

VOLUME: 98

Page Numbers: 493-501

Journal Abbreviation: Electroencephalogr Clin Neurop

ISSN: 0013-4694

DAY: 9

MONTH: Jun

YEAR: 1996

The mismatch negativity to frequency deviant stimuli during natural sleep. Information

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LANGUAGE: eng

NlmUniqueID: 375035

The mismatch negativity to frequency deviant stimuli during natural sleep. Keywords Mesh Terms:

KEYWORDS: Wakefulness

MESH TERMS: physiology

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Grant and Affiliation Information for The mismatch negativity to frequency deviant stimuli during natural sleep.

AFFILIATION: School of Psychology, University of Ottawa, Ontario, Canada.

Country: IRELAND

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MEDLINETA: Electroencephalogr Clin Neurop

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