PubMed Journal Database | Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology RSS

23:08 EDT 26th March 2019 | BioPortfolio

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Showing PubMed Articles 1–25 of 518 from Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology

A-train clusters and the intermedius nerve in vestibular schwannoma patients.

EMG "A-train" activity correlates with postoperative facial palsy after vestibular schwannoma (VS) surgery. An intermedius nerve separate from the facial nerve increases A-trains without significant impact on function. We investigate occurrence of A-train "clusters", A-trains over a majority of channels within a short time frame.

Different patterns of movement-related cortical oscillations in patients with myoclonus and in patients with spinocerebellar ataxia.

To assess whether different patterns of EEG rhythms during a Go/No-go motor task characterize patients with cortical myoclonus (EPM1) or with spinocerebellar ataxia (SCA).

Prediction of postoperative motor deficits using motor evoked potential deterioration duration in intracranial aneurysm surgery.

The study aimed to investigate the predictive value of motor evoked potential (MEP) deterioration duration for postoperative motor deficits in patients undergoing intracranial aneurysm surgery.

Eye movement abnormalities in essential tremor versus tremor dominant Parkinson's disease.

To show that eye movement abnormalities differ between essential tremor (ET) and tremor dominant Parkinson's disease (PD-T), and that these abnormalities reflect cerebellar dysfunction in ET and basal ganglia pathology in PD-T.

Central fatigue and attentional processing in Parkinson's disease: An event-related potentials study.

To verify whether central fatigue in patients with Parkinson's disease (PD) is associated with the presence of a more severe selective cognitive impairment.

Semi-quantitative electromyography as a predictor of nerve transfer outcome.

Evaluate correlation between donor nerve semi-quantitative electromyography (sqEMG) and strength outcome in nerve transfer surgery.

Deep learning for waveform identification of resting needle electromyography signals.

Given the recent advent in machine learning and artificial intelligence on medical data analysis, we hypothesized that the deep learning algorithm can classify resting needle electromyography (n-EMG) discharges.

High frequency oscillations as markers of epileptogenic tissue - End of the party?

Orbitofrontal dysfunction during the reward process in adults with ADHD: An fMRI study.

The present study aimed to detect differences in the reward response between adults with attention deficit hyperactivity disorder (ADHD) and healthy controls (HCs) using functional magnetic resonance imaging (fMRI).

An extensive pattern of atypical neural speech-sound discrimination in newborns at risk of dyslexia.

Identifying early signs of developmental dyslexia, associated with deficient speech-sound processing, is paramount to establish early interventions. We aimed to find early speech-sound processing deficiencies in dyslexia, expecting diminished and atypically lateralized event-related potentials (ERP) and mismatch responses (MMR) in newborns at dyslexia risk.

Vestibular evoked myogenic potentials and their clinical utility in patients with amyotrophic lateral sclerosis.

To evaluate the diagnostic value of vestibular evoked myogenic potentials (VEMPs) in the assessment of brainstem function integrity in patients with amyotrophic lateral sclerosis (ALS).

Use of illicit amphetamines is associated with long-lasting changes in hand circuitry and control.

The study aim was to determine if use of illicit amphetamines or ecstasy is associated with abnormal excitability of the corticomotoneuronal pathway and manipulation of novel objects with the hand.

Assessment of the reliability of the motor unit size index (MUSIX) in single subject "round-robin" and multi-centre settings.

The motor unit size index (MUSIX) is incorporated into the motor unit number index (MUNIX). Our objective was to assess the intra-/inter-rater reliability of MUSIX in healthy volunteers across single subject "round robin" and multi-centre settings.

Reduction of the event-related potential P3 in preterm born 5-year-old healthy children.

An abbreviated gestational period may interrupt intrauterine brain development and constitutes a serious risk factor. Many preterm children show some form of attention deficits in later life. However, there is ambiguity about the nature and extent of these attention deficits in the literature. Moreover, the majority of studies investigated attention functions in preterm children on a symptom based level or using neuropsychological tasks. In contrast, neurophysiological studies have been comparatively scarce...

Spastic dystonia in stroke subjects: prevalence and features of the neglected phenomenon of the upper motor neuron syndrome.

Spastic dystonia is one of the positive phenomena of the upper motor neuron syndrome (UMNS). It is characterised by the inability to relax a muscle leading to a spontaneous, although stretch-sensitive, tonic contraction. Although spastic dystonia is a recognized cause of muscle hypertonia, its prevalence among hypertonic muscles of stroke subjects has never been investigated. Differently from spasticity, which is an exaggerated stretch reflex, spastic dystonia is viewed as an efferent phenomenon, due to an ...

The cutaneous silent period: An underutilized tool in clinical neurophysiology.

Clinical utility and prospective of TMS-EEG.

Concurrent transcranial magnetic stimulation and electroencephalography (TMS-EEG) has emerged as a powerful tool to non-invasively probe brain circuits in humans, allowing for the assessment of several cortical properties such as excitability and connectivity. Over the past decade, this technique has been applied to various clinical populations, enabling the characterization and development of potential TMS-EEG predictors and markers of treatments and of the pathophysiology of brain disorders. The objective...

Detection of REM sleep behaviour disorder by automated polysomnography analysis.

Evidence suggests Rapid-Eye-Movement (REM) Sleep Behaviour Disorder (RBD) is an early predictor of Parkinson's disease. This study proposes a fully-automated framework for RBD detection consisting of automated sleep staging followed by RBD identification.

Exploring the relationship between electrical impedance myography and quantitative ultrasound parameters in Duchenne muscular dystrophy.

Quantitative ultrasound (QUS), including grayscale level analysis (GLA) and quantitative backscatter analysis (QBA), and electrical impedance myography (EIM) have been proposed as biomarkers in Duchenne muscular dystrophy (DMD). However, the relationship between these methods has not been assessed.

Differences between flexion and extension synergy-driven coupling at the elbow, wrist, and fingers of individuals with chronic hemiparetic stroke.

The flexion and extension synergies were quantified at the paretic elbow, forearm, wrist, and finger joints within the same group of participants for the first time. Differences in synergy expression at each of the four joints were examined, as were the ways these differences varied across the joints.

Subthalamic and pallidal oscillatory activity in patients with Neurodegeneration with Brain Iron Accumulation type I (NBIA-I).

Neurodegeneration with Brain Iron Accumulation type I (NBIA-I) is a rare hereditary neurodegenerative disorder with pallidal degeneration leading to disabling generalized dystonia and parkinsonism. Pallidal or subthalamic deep brain stimulation can partially alleviate motor symptoms. Disease-specific patterns of abnormally enhanced oscillatory neuronal activity recorded from the basal ganglia have been described in patients with movement disorders undergoing deep brain stimulation (DBS). Here we studied osc...

Prolonged cortical silent period is related to poor fitness and fatigue, but not tumor necrosis factor, in Multiple Sclerosis.

Poor fitness among people with Multiple Sclerosis (MS) aggravates disease symptoms. Whether low fitness levels accompany brain functioning changes is unknown.

Impaired prefrontal cortex-thalamus pathway in intractable temporal lobe epilepsy with aberrant executive control function: MRI evidence.

This study aimed to assess structural and functional connectivity alterations of the prefrontal cortex (PFC)-thalamus axis in individuals with unilateral intractable temporal lobe epilepsy (TLE) showing executive control function (ECF) impairment and to explore the potential mechanism.

Assessing the localization accuracy and clinical utility of electric and magnetic source imaging in children with epilepsy.

To evaluate the accuracy and clinical utility of conventional 21-channel EEG (conv-EEG), 72-channel high-density EEG (HD-EEG) and 306-channel MEG in localizing interictal epileptiform discharges (IEDs).

Widespread interictal epileptic discharge more likely than focal discharges to unveil the seizure onset zone in EEG-fMRI.

We hypothesized that the number of interictal epileptic discharges (IEDs) during scan and their spatial extent are contributing factors in obtaining appropriate activations that reveal the seizure onset zone (SOZ) in EEG-fMRI.

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