Effect of sleep on middle latency response (MLR) in infants

Auditory middle latency responses (MLR), with two click-rates (1.3 Hz, 8.9 Hz) and simultaneous poly graphic recording with EEG, EOG, EMG, ECG and respiratory rhythm have been recorded in 16, 6 or 7 week old infants to study the effect of sleep on the amplitudes of MLR. For both click-rates, respons...

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Veröffentlicht in:	Brain & development (Tokyo. 1979) 1988, Vol.10 (3), p.169-173
Hauptverfasser:	Collet, Lionel, Duclaux, Roland, Challamel, Marie-Josèphe, Revol, Michel
Format:	Artikel
Sprache:	eng
Schlagworte:	active sleep Age Factors auditory evoked potentials awakening Biological and medical sciences click rates Electroencephalography Electromyography Electrooculography Evoked Potentials, Auditory Female Fundamental and applied biological sciences. Psychology Humans Infant Infants Male maturation middle latency responses polygraphy quiet sleep Reaction Time Sleep - physiology Sleep. Vigilance Vertebrates: nervous system and sense organs Wakefulness
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Zusammenfassung:	Auditory middle latency responses (MLR), with two click-rates (1.3 Hz, 8.9 Hz) and simultaneous poly graphic recording with EEG, EOG, EMG, ECG and respiratory rhythm have been recorded in 16, 6 or 7 week old infants to study the effect of sleep on the amplitudes of MLR. For both click-rates, response amplitude depended upon waking and sleep states, the Na-Pa complex being always greater during waking states. It is of very low amplitude during quiet and active sleep but significantly lower in quiet sleep. In some infants it disappears entirely in quiet sleep. MLRs have been said to be hard to reproduce in infants. Our results would suggest that this is due to a strong alertness effect on MLRs in infants.
ISSN:	0387-7604 1872-7131
DOI:	10.1016/S0387-7604(88)80022-6