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  • 1
    Electronic Resource
    Electronic Resource
    USA/Oxford, UK : Blackwell Science Ltd
    Cephalalgia 11 (1991), S. 0 
    ISSN: 1468-2982
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Platelet levels of glutamic and aspartic acid and glycine were measured in patients with migraine with aura, migraine without aura, tension headache and cluster headache. High levels of these amino acids were found in patients with migraine with aura compared to normal subjects and other headache groups. During headache, glutamate levels further increased in migraine with aura patients. These findings may have relevance to the neurological symptoms of migraine with aura.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1590-3478
    Keywords: Sleep ; Apnea Syndrome ; CPAP
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Sommario Abbiamo provato gli effetti dell’applicazione di ventilazione a pressione positiva continua (CPAP) su otto pazienti affetti da sindrome dell’apnea ostruttiva nel sonno (OSAS). Il paragone tra uno studio poligrafico notturno eseguito durante respirazione spontanea, ed uno eseguito la notte successiva durante applicazione di CPAP ha mostrato significativa riduzione dello stadio 1 ed aumento del REM, la scomparsa delle apnee ostruttive ed un aumento significativo della saturazione ossiemoglobinica media. Inoltre la maggioranza dei pazienti ha notato una sensibile attenuazione della sintomatologia già dopo la prima notte di trattamento. Tre pazienti però pur confermando il miglioramento non hanno accettato di proseguire la terapia nelle notti successive. Si può concludere che la CPAP è un’efficace forma di prevenzione delle apnee nell’OSAS e che nei pazienti adattabili può essere considerata per una terapia di breve durata se può essere previsto un intervento correttivo della patologia di base o come una terapia di lunga durata negli altri casi.
    Notes: Abstract We tested the effects of continuous positive airway pressure (CPAP) in 8 patients with obstructive sleep apnea syndrome (OSAS). The comparison of a nocturnal polygraphic study performed during spontaneous breathing with a study during CPAP administration performed the following night showed a significant reduction in stage 1 and increase in REM, the abolition of obstructive apneas and a significant increase in mean oxyhemoglobin saturation. Most patients reported marked relief of symptoms after the first night of treatment. However 3 patients, though confirming the improvement refused further CPAP. We conclude that CPAP is an effective measure for prevention of apneas in OSAS and that in compliant patients it may be regarded as a short-term measure when a permanent correction of the causes is planned, or as a long-term treatment when the latter is not feasible.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Nonlinear dynamics, psychology, and life sciences 2 (1998), S. 21-33 
    ISSN: 1573-6652
    Keywords: human electroencephalogram (EEG) ; brain waves ; chaos ; synchronization ; nonlinear models ; neurodynamics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Psychology
    Notes: Abstract The observed low correlation dimension of the EEG—ascribed to the high synchronization degree of the brain activity—encourages the use of more or less realistic neural networks for the parametrization and classification of cerebral rhythms via simulation. We have therefore tried to explain the electrocortical activity in terms of synchronization using a map inspired to the integrate and fire neuron model. An extension apt to the heuristic simulation of the rhythm phenomenology is also presented and applied to the reproduction of chaos features in brain activity.
    Type of Medium: Electronic Resource
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