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BACKGROUND Polysomnography (PSG) is used to define physiological sleep and different physiological sleep stages, to assess sleep quality and diagnose many types of sleep disorders such as obstructive sleep apnea. However, PSG requires not only the connection of various sensors and electrodes to the subject but also spending the night in a bed that is(More)
Being one of the well-defined and functional rhythmic activities observed in sleep EEG, sleep spindles are significant for brain research. Visual detection of sleep spindles is very time consuming and subjective. In this study, automated spindle detection by using AR modeling for feature extraction is proposed. Multilayer Perceptron (MLP) and Support Vector(More)
OBJECTIVE In obstructive sleep apnea syndrome (OSAS), any of the activated neural, vascular, hemodynamic, metabolic, inflammatory, and thrombotic mechanisms may be related to increased cerebrovascular disease and risk of death; however, the possible pathophysiological process between obstructive sleep apnea syndrome and stroke has not been clearly(More)
In this study, we evaluated the gender differences in body mass index (BMI), age and their effects on apnea–hypopnea index during total sleep time (AHITST) in the Turkish population who were diagnosed with obstructive sleep apnea syndrome (OSAS) and compared them with data from the literature. A computerized database of 244 Turkish patients (194 males, 50(More)
OBJECTIVE Sleep disorders are a common and important part of schizophrenia's clinical Picture; however, the number of polysomnography-based studies of schizophrenia is limited and there is a lack of consensus regarding a specific sleep pattern in schizophrenia patients. As such, the aim of the present study was to investigate the sleep architecture in(More)
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