نتایج جستجو برای: pd control
تعداد نتایج: 1379911 فیلتر نتایج به سال:
BACKGROUND One of the most common symptoms of speech deficits in individuals with Parkinson's disease (PD) is significantly reduced vocal loudness and pitch range. The present study investigated whether abnormal vocalizations in individuals with PD are related to sensory processing of voice auditory feedback. Perturbations in loudness or pitch of voice auditory feedback are known to elicit shor...
parkinson’s disease (pd) is a progressive neurological disorder characterized by tremor, rigidity, and slowness of movements. specific changes associated with various pathological attacks in parkinson’s disease can be indicated in causality interactions of the brain network from resting state fmri data. in this paper, we aimed to reveal the network architecture of the directed influence brain n...
در این پایان نامه، با استفاده از تکنیک شبیه سازی دینامیک مولکولی (md) به مطالعه، استخراج و مقایسه خواص مکانیکی آلیاژهای pd-rh در دو حالت نانوسیم و بزرگ مقیاس، این فلزات پرداخته می شود. خواص مکانیکی این دو فلز، در حالتهای خالص و آلیاژی با درصدهای مختلف محاسبه شده است. پتانسیل مورد استفاده، پتانسیل ساتن چن می باشد. الگوریتم نوزه هوفر دما را ثابت نگه داشته و تعداد ذرات نیز با استفاده از شرایط مرزی...
objective(s):parkinson's disease (pd) is known for motor impairments. but often, there are non-motor symptoms such as cognitive deficiency and pain misperception, owing to possible role of nigrostriatal pathway. antioxidants have protective effect on free radical-induced neuronal damage in pd. to further address, we examined the effects of ellagic acid (ea) in a rat model of pd induced by ...
BACKGROUND We introduce a new, simple portable inhalational induction device (PD) that provides co-operative inhalational induction of anaesthesia using N(2)O and subsequent sevoflurane in the preanaesthetic induction area in children. METHODS Forty-five children (30 to 94 months old age, <35 kg) who were scheduled to undergo simple operations were assigned randomly to one of three regimens. ...
OBJECTIVE To explore the central aortic pressure in patients with Parkinson's disease (PD). METHODS We investigated central arterial stiffness by measurement of the augmentation index (AIx) in PD patients. Patients were eligible for the study if they were de novo PD and 45 years of age or older. The patients' demographics, vascular risk factors, and neurologic examinations were collected at b...
Mild cognitive impairment (MCI) is prevalent in 15%-40% of Parkinson's disease (PD) patients at diagnosis. In this investigation, we study brain intra- and inter-network alterations in resting state functional magnetic resonance imaging (rs-fMRI) in recently diagnosed PD patients and characterise them as either cognitive normal (PD-NC) or with MCI (PD-MCI). Patients were divided into two groups...
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