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Obstructive sleep apnea (OSA) is accompanied by neurocognitive impairment, likely mediated by injury to various brain regions. We evaluated brain morphological changes in patients with OSA and their relationship to neuropsychological and oximetric data. Sixteen patients affected by moderate-severe OSA (age: 55.8±6.7 years, 13 males) and fourteen control(More)
STUDY OBJECTIVE Sleep deprivation (SD) is known to facilitate both seizures and interictal epileptiform abnormalities. For this reason, it is often used in the routine diagnostic workup of epileptic patients as an activating procedure for eliciting epileptiform and/or seizure patterns in their EEGs. In order to evaluate the effects of SD on cortical(More)
BACKGROUND   Sleep disturbances and excessive daytime somnolence are common and disabling features in adult-onset myotonic dystrophy type 1 (DM1). METHODS   Our study used questionnaires, ambulatory polysomnography and the multiple sleep latency test to evaluate sleep-wake cycle and daytime sleepiness in unselected adult-onset DM1 patients. We recruited(More)
BACKGROUND AND PURPOSE Functional recovery after cerebral infarction is a complex phenomenon that depends on various factors. The aim of this study was to investigate changes in cerebral perfusion during motor activity in stroke patients with very early recovery of motor function. METHODS We included 9 consecutive patients hospitalized for acute-onset(More)
We compared sleep parameters in mentally retarded infantile autism (MRIA) and mentally retarded Down's syndrome (MRDS) by means of polysomnography, evaluating traditional analysis with particular attention to the phasic components in each disorder. Data were compared with those obtained in normal subjects matched for age and sex. Mental age, Intellectual(More)
Daytime somnolence and sleep-wake cycle disturbances are commonly encountered symptoms in Frontotemporal Dementia (FTD). Orexin-A (Hypocretin-1) is a hypothalamic neuropeptide regulating the sleep-wake rhythm. We investigated the cerebrospinal-fluid (CSF) orexin levels in a population of FTD patients and evaluated whether there is a relationship between(More)
BACKGROUND AND PURPOSE Epidemiological studies have suggested a pathophysiological link between sleep apnea syndrome and cerebrovascular diseases. The mechanism by which sleep disturbance can affect the predisposition to developing stroke is not clear. The aim of this study was to investigate whether patients with obstructive sleep apnea syndrome have an(More)
BACKGROUND AND PURPOSE There is a paucity of data available regarding the occurrence of sleep disorders in myotonic dystrophy type 2 (DM2). In this study the sleep-wake cycle and daytime sleepiness were investigated in DM2 patients and compared with results from healthy subjects and myotonic dystrophy type 1 (DM1) patients. METHODS Twelve DM2 outpatients,(More)
The aim of this study was to verify the symmetry of cerebral blood flow changes during the generalized spike-wave discharges of typical absence seizures. A recording of mean flow velocity in the left and right middle cerebral arteries and of electroencephalographic activity was performed simultaneously in two subjects with multiple daily absence seizures. A(More)