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- W2013921113 abstract "Abstract A computer program (PANV35) for modified period and amplitude analysis of the sleep EEG is described. This analysis requires prior visual classification of the polygraph record into REM, NREM and waking. Analysis of magnetic tape segments corresponding to NREM sleep is then carried out on a small digital computer. Baseline crossings, wave durations, integrated amplitude and curve length are obtained for specifiable frequency bands. These data are then processed on an IBM 360 system; a number of secondary measures are computed and the data are presented for all NREM sleep, by NREMPs, and for the average 20-sec NREM epoch. PANV35 was employed to analyze delta (0.5–3 c/sec) activity in NREM sleep in 20 young normal males aged 18–22.5 years, half of whom were long-distance runners in training. Measurement was carried out on 2 successive nights of recording which followed one adaptation night. Visually obtained sleep stage scores were also presented. Computer measures of delta showed excellent night-to-night reliability. Internight correlations for mean frequency within 0.5–3 c/sec were exceptionally high, indicating that this measure is an extremely stable individual characteristic. All delta measures showed highly reliable (P Stage 4 showed a significant negative correlation with age. Computer analysis revealed that this change in visually scored delta was associated with a variety of alterations in 0.5–3 c/sec activity: amplitude, total duration, number and density of delta waves declined significantly with age and mean frequency increased. These findings indicate that period and amplitude analysis of NREM sleep yields measures which are both sensitive and stable." @default.
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- W2013921113 date "1978-02-01" @default.
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- W2013921113 title "Period and amplitude analysis of 0.5–3c/sec activity in NREM sleep of young adults" @default.
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- W2013921113 doi "https://doi.org/10.1016/0013-4694(78)90266-3" @default.
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