Results 281 to 290 of about 187,501 (315)
Dopamine Transporter Imaging as Objective Monitoring Biomarker in Parkinson's Disease
Annals of Neurology, EarlyView.Objective Although dopamine transporter (DaT) imaging is a valuable diagnostic biomarker, few studies have investigated its utility in objectively monitoring disease progression in patients with Parkinson's disease (PD). To date, no study has established a longitudinal relationship between the DaT signal decline and the motor symptom increase ...
Verena Dzialas +4 more
wiley +1 more source
Annals of Neurology, EarlyView.This final part 3 review builds on the practical applications discussed in part 2 and explores how artificial intelligence (AI) is transforming data management, neurological education, and neurological care across large healthcare networks and datasets. The review also highlights AI's role in real‐world and synthetic data, digital twins, and innovative
Matthew Rizzo
wiley +1 more source
Stage 4 Sleep in Schizophrenia [PDF]
Archives of General Psychiatry, 1969 THE stage 4 EEG (employing the Dement and Kleitman 1 nomenclature) of sleep, as measured in our laboratory, consists of high-voltage (over 50V) slow (under 4 cycles per second) activity occurring with a stipulated density (over 16 waves per 20second epoch, or over 50% of the epoch occupied by such slow waves).
Richard L. Koresko +3 more
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Electroencephalography and Clinical Neurophysiology, 1971
The electroencephalogram and electro-oculogram of two unrestrained juvenile chimpanzees was monitored for 7 consecutive nights using telemetry methods. Of the sleeping time, 23% was spent in the rapid eye movement of REM type of sleep, whereas 8, 4, 15, and 10% were spent in non-REM stages 1 through 4, respectively.
W. Ross Adey +5 more
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The electroencephalogram and electro-oculogram of two unrestrained juvenile chimpanzees was monitored for 7 consecutive nights using telemetry methods. Of the sleeping time, 23% was spent in the rapid eye movement of REM type of sleep, whereas 8, 4, 15, and 10% were spent in non-REM stages 1 through 4, respectively.
W. Ross Adey +5 more
openaire +3 more sources
Sleep Electroencephalograms and Sleep Stages in Hypoparathyroidism
European Neurology, 19792 patients with hypoparathyroidism, one idiopathic and the other pseudoform, were studied by overnight polygraphic recording of the sleep EEG and related activities before and after start of treatment to investigate their sleep EEG patterns and states, with the results as follows.
Masatsugu Hayashi, Yukio Fukuyama
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Relationship of Nocturnal Bronchoconstriction to Sleep Stages [PDF]
American Review of Respiratory Disease, 1989 The possible role of sleep stages in the pathogenesis of nocturnal asthmatic attacks is still under debate because previous studies suffered methodologic limitations that prevented the possibility of providing a clear-cut answer to the question. To evaluate the relationship of nocturnal asthma to sleep, eight asthmatics with unstable asthma (seven with
Bellia V +4 more
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The intermediate stage of sleep in mice
Physiology & Behavior, 1991Seven mice of Balb/C strain were implanted with electrodes to perform sleep-waking recordings. In 100% of the cases, the mice showed, prior to paradoxical sleep, the intermediate stage of sleep characterized by high-amplitude cortical spindles interspersed with slow waves and low-frequency theta rhythm in the dorsal hippocampus.
Daniel Galey +5 more
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Computer-assisted sleep staging
IEEE Transactions on Biomedical Engineering, 2001To address the subjectivity in manual scoring of polysomnograms, a computer-assisted sleep staging method is presented in this paper. The method uses the principles of segmentation and self-organization (clustering) based on primitive sleep-related features to find the pseudonatural stages present in the record.
Rajeev Agarwal, Jean Gotman
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