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Neuroradiology/Neuroimaging
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Your search returned 16 results
from the time period: last 30 days.
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Neurology
Teaching NeuroImages: Early-onset dementia and demyelinating neuropathy disclosing cerebrotendinous xanthomatosis..
Neuroscience (2)
Dementia (2), Cerebrotendinous Xanthomatosis (2), more mentions
Medicine
... study was to obtain an overview of the clinical and neuroimaging features of Chinese patients with subtypes of frontotemporal lobe degeneration ... features, clinical presentation, and lobe atrophy depicted by magnetic resonance imaging (MRI) in 133 patients with FTLD. Two positron emission tomography (PET) scans were performed at baseline: [C]Pittsburgh compound B ...
Neuroscience (2)
Atrophy (7), Primary Progressive Nonfluent Aphasia (1), Semantic Dementia (1), more mentions
Epilepsy & behavior : E&B
Abstract: Neurocysticercosis (NCC) is the most common parasitic infection of the central nervous system and a major risk factor for seizures and epilepsy ... We also provide evidence of the role of MRI and EEG in the diagnosis of NCC-related epilepsy... This article is part of a Special Issue entitled "Neurocysticercosis and Epilepsy" Keyword: Electroencephalography.
Neurological and Central Nervous System Diseases (7)
Seizures (11), Epilepsy (7), Neurocysticercosis (4), more mentions
Epilepsy & behavior : E&B
... with centrotemporal spikes (BECTS) as a function of spike-wave index (SWI) during slow wave sleep AbstractText: Resting-state functional magnetic resonance imaging (RS-fMRI) data and Intelligence Quotient (IQ) were collected from two groups of patients with BECTS, including a SWI 0.05... Keyword: Resting-state function magnetic resonance imaging.
Neurological and Central Nervous System Diseases (3), Neuroscience (3)
Benign Rolandic Epilepsy (6), more mentions
Epilepsia
... nodular heterotopias (PNHs) are malformations of cortical development related to neuronal migration disorders, frequently associated with drug-resistant epilepsy (DRE... bilateral, single or multiple nodules) diagnosed on brain magnetic resonance imaging (MRI); (2) SEEG recordings available as part of the presurgical investigations ... workup with SEEG-guided RF-TC and/or with traditional neurosurgery, with a follow-up of at least 12 months AbstractText ...
Neurological and Central Nervous System Diseases (3)
Epilepsy (3), Periventricular Nodular Heterotopia (2), Neuronal Migration Disorders (1), more mentions
The Journal of neuropsychiatry and clinical neurosciences
The authors systematically reviewed whether neuroimaging has helped with understanding the pathophysiology, diagnosis, or management of ... The authors identified dissociable neural substrates with multimodal imaging: depression implicates the lateral and superior prefrontal cortex; apathy and ... Further delineation of underlying neurocircuitry and pathophysiology in larger data sets might lead to biomarker ...
Neuroscience (5)
Alzheimer Disease (3), Depressive Disorder (2), Psychotic Disorders (2), more mentions
PloS one
... from idiopathic epilepsy, one group that could be followed-up by means of specific electroencephalographic (EEG) signatures (intercritical activity present), and another one that could not due to the absence of ... To do that, we analyzed the background EEG activity of each in the absence of seizures and epileptic intercritical activity.
Neurological and Central Nervous System Diseases (4)
Epilepsy (4), Seizures (4), Generalized Seizures (1), more mentions
Schizophrenia research
... measurement from information theory field that provides an estimation of EEG regularity and may be useful as a summary of its ... Previous studies using small samples reported a deficit of EEG entropy modulation in schizophrenia during cognitive activity... frequency (i.e., smaller slowing of oscillatory activity) of the EEG from pre- to post-stimulus windows.
Neuroscience (5)
Schizophrenia (5), more mentions
PloS one
... cut-off age, we used resting-state functional magnetic resonance imaging (fMRI) to detect the abnormal ReHo between patients with EOD and LOD in the present study.Resting-state fMRI scans of 58 patients with EOD, 62 patients with LOD ... The ReHo approach was used to analyze the images.The ANOVA analysis revealed that the ReHo values in the ...
Neuroscience (4)
Depressive Disorder (4), more mentions
Schizophrenia research
... examine the effects of a brief EF training program on EEG and neurocognitive measures.25 people with severe mental illness were randomized to ... Assessments examined EEG theta and alpha band oscillatory power during EF tasks and neurocognitive measures of EF.EF training resulted in greater frontal theta ... experienced significantly greater improvement in EF ability as measured by neurocognitive tests than the control condition.Two weeks of EF training is sufficient to produce neurophysiological and neurocognitive change ...
Neuroscience (3)
Mental Disorders (3), more mentions
Sleep
Study Objectives: To compare intraindividually the effects of acute sleep deprivation (ASD) and chronic sleep restriction (CSR) on the homeostatic increase in slow wave activity (SWA) and to relate it to impairments in basic cognitive functioning, that is, vigilance. Methods: The increase in SWA after ASD (40 hours of wakefulness) and after CSR (seven nights with time in bed restricted to 5 hours per night) relative to baseline sleep was assessed in nine healthy, male participants (age = 18-26 years) by high-density electroencephalography. The SWA increase during the initial part of sleep was compared between the two conditions of sleep loss. The increase in SWA was related to the increase in lapses of vigilance in the psychomotor vigilance task (PVT) during the preceding days. Results: While ASD induced a stronger increase in initial SWA than CSR, the increase was globally correlated across the two conditions in most electrodes. The increase in initial SWA was positively associated with the increase in PVT lapses. Conclusions: The individual homeostatic response in SWA is globally preserved across acute and chronic sleep loss, that is, individuals showing a larger increase after ASD also do so after CSR and vice versa. Furthermore, the increase in SWA is globally correlated to vigilance impairments after sleep loss over both conditions. Thus, the increase in SWA might therefore provide a physiological marker for individual differences in performance impairments after sleep loss.
Neuroscience (4), Sleep Disorders (1)
Sleep Deprivation (1), more mentions
Revue neurologique
Abstract: By looking for properties of consciousness, cognitive neuroscience studies have dramatically enlarged the scope of unconscious cognitive processing... these recent developments by focusing on brain signals recorded with EEG at bedside in response to auditory stimuli. More precisely, we present the respective EEG markers of unconscious and conscious processing of two classes of ...
Neuroscience (2)
Consciousness Disorders (1), more mentions
Journal of the neurological sciences
AbstractText: Using magnetic resonance (MR) high angular resolution diffusion imaging (HARDI), we aimed at revealing possible microstructural alterations in the ... parameters and tractography measures were performed using the Q-ball imaging diffusion data model AbstractText: When compared to HCs, the ALS ... Keyword: High angular resolution diffusion weighted imaging... Keyword: Structural neuroimaging.
Neurological and Central Nervous System Diseases (8)
Amyotrophic Lateral Sclerosis (8), more mentions
Biological psychiatry
How this is realized at the neurocomputational level is unknown but could clarify the brain mechanisms disrupted in psychiatric conditions such as posttraumatic stress disorder... areas AbstractText: Anxiety states were elicited in healthy participants (n = 19) by exposure to the threat of unpredictable, aversive shocks while undergoing magnetoencephalography... Keyword: Magnetoencephalography.
Neuroscience (1)
Post-Traumatic Stress Disorders (1), more mentions
Epilepsy & behavior : E&B
... induced by physical exercise therapy and their correlation to the neuropsychological (NP) functions.We analyzed 115 artifact- and spike-free 2-second epochs extracted from resting state EEG recordings before and after 5weeks of physical exercise in eight ... The exact Low Resolution Electromagnetic Tomography (eLORETA) was used for source reconstruction.
Neurological and Central Nervous System Diseases (2)
Benign Rolandic Epilepsy (5), Epilepsy (1), more mentions
Neurocritical care
Most patients presenting with acute muscle weakness have a worsening neurological disorder that requires a rapid, systematic evaluation and detailed neurological exam to localize the disorder ... Urgent laboratory tests and neuroimaging are needed to confirm the diagnosis. Because acute weakness is a common presenting sign of neurological emergencies, it was chosen as an Emergency Neurological Life Support protocol ...
Neurological and Central Nervous System Diseases (1)
Muscle Weakness (1), Nervous System Diseases (1), more mentions