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Plazzi, Giuseppe; Pizza, Fabio; Palaia, Vincenzo; Franceschini, Christian; Poli, Francesca; Moghadam, Keivan K.; Cortelli, Pietro; Nobili, Lino; Bruni, Oliviero; Dauvilliers, Yves; Lin, Ling; Edwards, Mark J.; Mignot, Emmanuel; Bhatia, Kailash P. – Brain, 2011
Narcolepsy with cataplexy is characterized by daytime sleepiness, cataplexy (sudden loss of bilateral muscle tone triggered by emotions), sleep paralysis, hypnagogic hallucinations and disturbed nocturnal sleep. Narcolepsy with cataplexy is most often associated with human leucocyte antigen-DQB1*0602 and is caused by the loss of…
Descriptors: Diseases, Patients, Motor Development, Neurological Impairments
Huang, Ying-Zu; Rothwell, John C.; Lu, Chin-Song; Chuang, Wen-Li; Chen, Rou-Shayn – Brain, 2011
Levodopa-induced dyskinesia is a major complication of long-term dopamine replacement therapy for Parkinson's disease that becomes increasingly problematic in advanced Parkinson's disease. Although the cause of levodopa-induced dyskinesias is still unclear, recent work in animal models of the corticostriatal system has suggested that…
Descriptors: Diseases, Patients, Neurological Impairments, Drug Therapy
Duering, Marco; Zieren, Nikola; Herve, Dominique; Jouvent, Eric; Reyes, Sonia; Peters, Nils; Pachai, Chahin; Opherk, Christian; Chabriat, Hugues; Dichgans, Martin – Brain, 2011
Cerebral small vessel disease is the most common cause of vascular cognitive impairment. It typically manifests with lacunar infarcts and ischaemic white matter lesions. However, little is known about how these lesions relate to the cognitive symptoms. Previous studies have found a poor correlation between the burden of ischaemic lesions and…
Descriptors: Patients, Diseases, Radiation, Brain Hemisphere Functions
Bagnato, Francesca; Hametner, Simon; Yao, Bing; van Gelderen, Peter; Merkle, Hellmut; Cantor, Fredric K.; Lassmann, Hans; Duyn, Jeff H. – Brain, 2011
Previous authors have shown that the transverse relaxivity R[subscript 2][superscript *] and frequency shifts that characterize gradient echo signal decay in magnetic resonance imaging are closely associated with the distribution of iron and myelin in the brain's white matter. In multiple sclerosis, iron accumulation in brain tissue may reflect a…
Descriptors: Diseases, Radiology, Identification, Pathology
Kollberg, Gittan; Tulinius, Mar; Melberg, Atle; Darin, Niklas; Andersen, Oluf; Holmgren, Daniel; Oldfors, Anders; Holme, Elisabeth – Brain, 2009
Myopathy with deficiency of succinate dehydrogenase and aconitase is a recessively inherited disorder characterized by childhood-onset early fatigue, dyspnoea and palpitations on trivial exercise. The disease is non-progressive, but life-threatening episodes of widespread weakness, severe metabolic acidosis and rhabdomyolysis may occur. The…
Descriptors: Diseases, Patients, Microbiology, Foreign Countries
Tzoulis, Charalampos; Neckelmann, Gesche; Mork, Sverre J.; Engelsen, Bernt E.; Viscomi, Carlo; Moen, Gunnar; Ersland, Lars; Zeviani, Massimo; Bindoff, Laurence A. – Brain, 2010
Mutations in the catalytic subunit of the mitochondrial DNA-polymerase gamma cause a wide spectrum of clinical disease ranging from infantile hepato-encephalopathy to juvenile/adult-onset spinocerebellar ataxia and late onset progressive external ophthalmoplegia. Several of these syndromes are associated with an encephalopathy that…
Descriptors: Diseases, Radiology, Patients, Genetics
Samaranch, Lluis; Lorenzo-Betancor, Oswaldo; Arbelo, Jose M.; Ferrer, Isidre; Lorenzo, Elena; Irigoyen, Jaione; Pastor, Maria A.; Marrero, Carmen; Isla, Concepcion; Herrera-Henriquez, Joanna; Pastor, Pau – Brain, 2010
Phosphatase and tensin homolog-induced putative kinase 1 gene mutations have been associated with autosomal recessive early-onset Parkinson's disease. To date, no neuropathological reports have been published from patients with Parkinson's disease with both phosphatase and tensin homolog-induced putative kinase 1 gene copies mutated. We analysed…
Descriptors: Diseases, Pathology, Patients, Genetics
Vemuri, Prashanthi; Weigand, Stephen D.; Przybelski, Scott A.; Knopman, David S.; Smith, Glenn E.; Trojanowski, John Q.; Shaw, Leslie M.; Decarli, Charlie S.; Carmichael, Owen; Bernstein, Matt A.; Aisen, Paul S.; Weiner, Michael; Petersen, Ronald C.; Jack, Clifford R., Jr. – Brain, 2011
The objective of this study was to investigate how a measure of educational and occupational attainment, a component of cognitive reserve, modifies the relationship between biomarkers of pathology and cognition in Alzheimer's disease. The biomarkers evaluated quantified neurodegeneration via atrophy on magnetic resonance images, neuronal injury…
Descriptors: Alzheimers Disease, Reading Tests, Verbal Learning, Pathology
Braun, K. P. J.; Bulder, M. M. M.; Chabrier, S.; Kirkham, F. J.; Uiterwaal, C. S. P.; Tardieu, M.; Sebire, G. – Brain, 2009
Arteriopathies are the commonest cause of arterial ischaemic stroke (AIS) in children. Repeated vascular imaging in children with AIS demonstrated the existence of a "transient cerebral arteriopathy" (TCA), characterized by lenticulostriate infarction due to non-progressive unilateral arterial disease affecting the supraclinoid internal…
Descriptors: Children, Patients, Brain, Diagnostic Tests
Olney, Nicholas T.; Goodkind, Madeleine S.; Lomen-Hoerth, Catherine; Whalen, Patrick K.; Williamson, Craig A.; Holley, Deborah E.; Verstaen, Alice; Brown, Laurel M.; Miller, Bruce L.; Kornak, John; Levenson, Robert W.; Rosen, Howard J. – Brain, 2011
Pathological laughing and crying is a disorder of emotional expression seen in a number of neurological diseases. The aetiology is poorly understood, but clinical descriptions suggest a disorder of emotion regulation. The goals of this study were: (i) to characterize the subjective, behavioural and physiological emotional reactions that occur…
Descriptors: Video Technology, Metabolism, Emotional Response, Crying
Sumowski, James F.; Wylie, Glenn R.; DeLuca, John; Chiaravalloti, Nancy – Brain, 2010
The cognitive reserve hypothesis helps to explain the incomplete relationship between brain disease and cognitive status in people with neurologic diseases, including Alzheimer's; disease and multiple sclerosis. Lifetime intellectual enrichment (estimated with education or vocabulary knowledge) lessens the negative impact of brain disease on…
Descriptors: Reaction Time, Dementia, Diseases, Patients
Rotthier, Annelies; Baets, Jonathan; De Vriendt, Els; Jacobs, An; Auer-Grumbach, Michaela; Levy, Nicolas; Bonello-Palot, Nathalie; Kilic, Sara Sebnem; Weis, Joachim; Nascimento, Andres; Swinkels, Marielle; Kruyt, Moyo C.; Jordanova, Albena; De Jonghe, Peter; Timmerman, Vincent – Brain, 2009
Hereditary sensory and autonomic neuropathies (HSAN) are clinically and genetically heterogeneous disorders characterized by axonal atrophy and degeneration, exclusively or predominantly affecting the sensory and autonomic neurons. So far, disease-associated mutations have been identified in seven genes: two genes for autosomal dominant ("SPTLC1"…
Descriptors: Diseases, Clinical Diagnosis, Genetics, Correlation
Fortuna, Filippo; Barboni, Piero; Liguori, Rocco; Valentino, Maria Lucia; Savini, Giacomo; Gellera, Cinzia; Mariotti, Caterina; Rizzo, Giovanni; Tonon, Caterina; Manners, David; Lodi, Raffaele; Sadun, Alfredo A.; Carelli, Valerio – Brain, 2009
Optic neuropathy is common in mitochondrial disorders, but poorly characterized in Friedreich's ataxia (FRDA), a recessive condition caused by lack of the mitochondrial protein frataxin. We investigated 26 molecularly confirmed FRDA patients by studying both anterior and posterior sections of the visual pathway using a new, integrated approach.…
Descriptors: Visual Impairments, Diseases, Field Tests, Optics
Williams-Gray, Caroline H.; Evans, Jonathan R.; Goris, An; Foltynie, Thomas; Ban, Maria; Robbins, Trevor W.; Brayne, Carol; Kolachana, Bhaskar S.; Weinberger, Daniel R.; Sawcer, Stephen J.; Barker, Roger A. – Brain, 2009
Cognitive abnormalities are common in Parkinson's disease, with important social and economic implications. Factors influencing their evolution remain unclear but are crucial to the development of targeted therapeutic strategies. We have investigated the development of cognitive impairment and dementia in Parkinson's disease using a longitudinal…
Descriptors: Age Differences, Dementia, Diseases, At Risk Persons
Harting, Inga; Neumaier-Probst, Eva; Seitz, Angelika; Maier, Esther M.; Assmann, Birgit; Baric, Ivo; Troncoso, Monica; Muhlhausen, Chris; Zschocke, Johannes; Boy, Nikolas P. S.; Hoffmann, Georg F.; Garbade, Sven F.; Kolker, Stefan – Brain, 2009
In glutaric aciduria type I, an autosomal recessive disease of mitochondrial lysine, hydroxylysine and tryptophan catabolism, striatal lesions are characteristically induced by acute encephalopathic crises during a finite period of brain development (age 3-36 months). The frequency of striatal injury is significantly less in patients diagnosed as…
Descriptors: Injuries, Diseases, Neonates, Patients
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