Spontaneous K-Complex Density in Slow-Wave Sleep

Md Dilshad Manzar, Mohammad Muntafa Rajput, Wassilatul Zannat, Seithikurippu R Pandi-Perumal, Ahmed S BaHammam and M Ejaz Hussain

PLOS ONE, 2016, vol. 11, issue 3, 1-8

Abstract: Purpose: To study spontaneous K-complex (KC) densities during slow-wave sleep. The secondary objective was to estimate intra-non-rapid eye movement (NREM) sleep differences in KC density. Materials and Methods: It is a retrospective study using EEG data included in polysomnographic records from the archive at the sleep research laboratory of the Centre for Physiotherapy and Rehabilitation Sciences, Jamia Millia Islamia, India. The EEG records of 4459 minutes were used. The study presents a manual identification investigation of KCs in 17 healthy young adult male volunteers (age = 23.82±3.40 years and BMI = 23.42±4.18 kg/m2). Results: N3 had a higher KC density than N2 (Z = -2.485, p = 0.013) for all of the probes taken together. Four EEG probes had a higher probe-specific KC density during N3. The inter-probe KC density differed significantly during N2 (χ2 = 67.91, p

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0150929

DOI: 10.1371/journal.pone.0150929

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