Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Joel Hasan"'
Autor:
Joel Hasan, Sari-Leena Himanen, Antti Saastamoinen, Eero Huupponen, Antti Kulkas, Mirja Tenhunen
Publikováno v:
Journal of Neuroscience Methods. 172:54-59
The objective of the present work was to examine fronto-central spindle frequency. A previously validated spindle detector, providing an electroencephalographic (EEG) amplitude independent spindle detection, was used to detect bilateral sleep spindle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f95e1a72a868aa1c1846f3015e91f711
https://doi.org/10.1016/j.jneumeth.2008.03.019
https://doi.org/10.1016/j.jneumeth.2008.03.019
Autor:
Joel Hasan, Alpo Värri, Eero Huupponen, Sari-Leena Himanen, Antti Saastamoinen, Germán Gómez-Herrero
Publikováno v:
Artificial Intelligence in Medicine. 40:157-170
Objective: The objective of the present work was to develop and compare methods for automatic detection of bilateral sleep spindles. Methods and materials: All-night sleep electroencephalographic (EEG) recordings of 12 healthy subjects with a median
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::819dbc46aaa9183af99417901fffb09f
https://doi.org/10.1016/j.artmed.2007.04.003
https://doi.org/10.1016/j.artmed.2007.04.003
Publikováno v:
Journal of Neuroscience Methods. 157:178-184
In this work, topographic differences in computational sleep depth between healthy controls and obstructive sleep apnoea syndrome (OSAS) patients have been examined. Sleep depth estimation was based on continuous monitoring of the mean frequency of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6845c5e10d3ddef8b6a531a130feb5d1
https://doi.org/10.1016/j.jneumeth.2006.04.007
https://doi.org/10.1016/j.jneumeth.2006.04.007
Autor:
Eero Huupponen, Joel Hasan, Veera Eskelinen, Antti Saastamoinen, Alpo Värri, Sari-Leena Himanen
Publikováno v:
Tampere University
Sleep apnea syndrome is known to disturb sleep. The purpose of the present work was to study spindle frequency in apnea patients. All-night sleep EEG recordings of 15 apnea patients and 15 control subjects with median ages of 47 and 46 years, respect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d28f6ecf1a2964e5def602eca0434be
https://doi.org/10.1016/j.neulet.2006.04.042
https://doi.org/10.1016/j.neulet.2006.04.042
Publikováno v:
Computer Methods and Programs in Biomedicine. 82:58-66
In this article, we present a new implementation of an amplitude-independent method for continuous-scale sleep depth estimation. Having been implemented as an add-on analysis module under commercially available biosignal recording and analysis softwa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c273035e9bdf12c57a379915b210bd7
https://doi.org/10.1016/j.cmpb.2006.02.003
https://doi.org/10.1016/j.cmpb.2006.02.003
Autor:
Jussi Virkkala, Atte Joutsen, Eero Huupponen, Joel Hasan, Alpo Värri, Sari-Leena Himanen, Antti Saastamoinen, Jarmo Alametsä
Publikováno v:
Tampere University
In the present work, mean frequencies of FFT amplitude spectra from six EEG derivations were used to provide a frontopolar, a central and an occipital sleep depth measure. Parameters quantifying the anteroposterior differences in these three sleep de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b790bf9e45f268ae6de50182d3c9beb
https://doi.org/10.1007/s10916-005-6109-1
https://doi.org/10.1007/s10916-005-6109-1
Autor:
Jukka Niemi, Joel Hasan, Eero Huupponen, Jussi Virkkala, Antti Saastamoinen, Sari-Leena Himanen, Alpo Värri
Publikováno v:
Neuropsychobiology. 51:256-264
Background: Sleep spindles have different properties in different localizations in the cortex. Objectives: First main objective was to develop an amplitude-independent multi-channel spindle detection method. Secondly the method was applied to study t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a4ad7be0be72e2e4e3b1aa9ce09735fd
https://doi.org/10.1159/000085821
https://doi.org/10.1159/000085821
Publikováno v:
Medical & Biological Engineering & Computing. 41:727-732
A fully automatic method to analyse electro-encephalogram (EEG) sleep spindle frequency evolution during the night was developed and tested. Twenty all-night recordings were studied from ten healthy control subjects and ten sleep apnoea patients. A t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::940e5b2e2abc0a0e17feeae04646d306
https://doi.org/10.1007/bf02349981
https://doi.org/10.1007/bf02349981
Publikováno v:
Sleep Medicine. 4:201-206
Objective : The objective of this study is to assess the impact on insomnia symptoms of somatic diseases, psychological factors, living habits and life events during the previous year. Background : Although health problems are a significant cause of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2537c006c390d0ca6ee8d69639e6156f
https://doi.org/10.1016/s1389-9457(02)00194-6
https://doi.org/10.1016/s1389-9457(02)00194-6
Publikováno v:
Clinical Physiology and Functional Imaging. 23:110-113
The aim of this study was to evaluate the utility of whole-body impedance cardiography (ICGWB) in sleep studies, particularly in sleep apnoea detection. A comparison between simultaneous whole night ICGWB and standard polysomnographic recordings were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::abe5ed88cc925b1fa60fa8d8c4c6bcca
https://doi.org/10.1046/j.1475-097x.2003.00480.x
https://doi.org/10.1046/j.1475-097x.2003.00480.x