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Table of Contents
Vol. 38, No. 2, 1998
Issue release date: September 1998
Section title: Pharmacoelectroencephalography
Original Paper
Neuropsychobiology 1998;38:108–112
(DOI:10.1159/000026525)

The Statistical Distribution of Wrist Movements during Sleep

Gimeno V. · Sagales T. · Miguel L. · Ballarin M.
Servei de Neurofisiologia, Hospital Universitari Vall d’Hebron, Barcelona, Spain

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Article / Publication Details

First-Page Preview
Abstract of Pharmacoelectroencephalography<br>Original Paper

Published online: September 08, 1998
Issue release date: September 1998

Number of Print Pages: 5
Number of Figures: 2
Number of Tables: 3

ISSN: 0302-282X (Print)
eISSN: 1423-0224 (Online)

For additional information: http://www.karger.com/NPS

Abstract

The purpose of this work was to describe the basic statistical properties of the process of production of movements measured with a wrist actimeter, along a complete sleep period in normal human subjects. Two distinct types of random magnitudes were considered to analyze the data, the times between successive groups of movements and the number of movements at each fixed time (1 min) measurement epoch. Suitable probabilistic models for the two variates were chosen, fitting theoretical distribution functions to the observed data. It is concluded that interval data fit a one-parameter exponential distribution, while the number of movements fit a two-parameter negative binomial distribution. The estimated values of these parameters, besides being necessary to perform further statistical analysis, are a measure of the intensity and frequency of the movements. Finally the relationship between polysomnography measures and the elicited parameters was studied.


Article / Publication Details

First-Page Preview
Abstract of Pharmacoelectroencephalography<br>Original Paper

Published online: September 08, 1998
Issue release date: September 1998

Number of Print Pages: 5
Number of Figures: 2
Number of Tables: 3

ISSN: 0302-282X (Print)
eISSN: 1423-0224 (Online)

For additional information: http://www.karger.com/NPS


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Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
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