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Condition: Aphasia
Procedure: MRI Scan

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Total 232 results found since Jan 2013.

Patterns of Poststroke Brain Damage That Predict Speech Production Errors in Apraxia of Speech and Aphasia Dissociate Clinical Sciences
Conclusions— AOS likely occurs in conjunction with aphasia because of the proximity of the brain areas supporting speech and language, but the neurobiological substrate for each disorder differs.
Source: Stroke - May 22, 2015 Category: Neurology Authors: Basilakos, A., Rorden, C., Bonilha, L., Moser, D., Fridriksson, J. Tags: Behavioral/psychosocial - stroke Clinical Sciences Source Type: research

Transient Neurologic Deficit Presenting with Cortical Vein Thrombosis Caused by Intracranial Hypotension: Case Report (P1.028)
CONCLUSION We hypothesized that intracranial hypotension led to venous engorgement (based on the Monroe-Kelli doctrine) and the subsequent cortical vein thrombosis, which then produced vasogenic edema, cortical irritability, and focal seizure that mimicked ischemic stroke. Based on our findings, clinicians should consider intracranial hypotension in patients presenting with dural sinus or cortical vein thrombosis, and orthostatic headache or imaging findings of dural enhancement.Disclosure: Dr. Plancher has nothing to disclose. Dr. Flaherty has received personal compensation for activities with CSL Behring as a consultant ...
Source: Neurology - April 8, 2015 Category: Neurology Authors: Plancher, J. M.-O., Flaherty, M. Tags: Cerebrovascular Disease and Interventional Neurology: Case Reports Source Type: research

The Syndrome of Stroke-like Migraine Attacks After Radiation Therapy Associated With Prolonged Unresponsiveness in an Adult Patient
Conclusions: Reduced level of consciousness of such severity and duration as observed here has not previously been described in SMART syndrome. This report, however, suggests that an excellent prognosis can be expected even in cases of prolonged unresponsiveness. The pathogenic mechanisms of SMART syndrome remain unclear, but may involve pathways common to both migraine and epilepsy.
Source: The Neurologist - January 1, 2015 Category: Neurology Tags: Case Report/Case Series Source Type: research

Non-fluent aphasia and neural reorganization after speech therapy: insights from human sleep electrophysiology and functional magnetic resonance imaging.
Authors: Sarasso S, Santhanam P, Määtta S, Poryazova R, Ferrarelli F, Tononi G, Small SL Abstract Stroke is associated with long-term functional deficits. Behavioral interventions are often effective in promoting functional recovery and plastic changes. Recent studies in normal subjects have shown that sleep, and particularly slow wave activity (SWA), is tied to local brain plasticity and may be used as a sensitive marker of local cortical reorganization after stroke. In a pilot study, we assessed the local changes induced by a single exposure to a therapeutic session of IMITATE (Intensive Mouth Imitation and Tal...
Source: Archives Italiennes de Biologie - November 25, 2014 Category: Neuroscience Tags: Arch Ital Biol Source Type: research

Unilateral Symptomatic Intracranial Arterial Stenosis and Myopathy in an Adolescent with Graves Disease: A Case Report of an High-resolution Magnetic Resonance Imaging Study
Vascular and muscular involvements in Graves disease (GD) are rare. Here, we report a case of a 17-year-old patient with unilateral symptomatic middle cerebral artery stenosis concurrent with GD and myopathy. He presented with a 1-day history of acute severe right-sided hemiparesis and aphasia and a 3-week history of high metabolic syndrome. The pathogenesis of the stenosis is most likely vasculitis rather than atherosclerosis, based on contrast-enhanced high-resolution magnetic resonance imaging showing concentric wall enhancement.
Source: Journal of Stroke and Cerebrovascular Diseases - November 8, 2014 Category: Neurology Authors: Jia Yin, Jiajia Zhu, Dongling Huang, Changzheng Shi, Yuqing Guan, Liang Zhou, Suyue Pan Tags: Case Report Source Type: research

White Matter Tracts of Speech and Language
Publication date: October 2014 Source:Seminars in Ultrasound, CT and MRI, Volume 35, Issue 5 Author(s): Marion Smits , Lize C. Jiskoot , Janne M. Papma Diffusion tensor imaging (DTI) has been used to investigate the white matter (WM) tracts underlying the perisylvian cortical regions known to be associated with language function. The arcuate fasciculus is composed of 3 segments (1 long and 2 short) whose separate functions correlate with traditional models of conductive and transcortical motor or sensory aphasia, respectively. DTI mapping of language fibers is useful in presurgical planning for patients with dominant hem...
Source: Seminars in Ultrasound, CT and MRI - November 6, 2014 Category: Radiology Source Type: research

Observational assessment of communication disorders in vascular dementia patients with right hemisphere damage
ConclusionWe believe that communication disorder in the RBD patients may be evaluated with the DCAS. We plan to standardize the DCAS and apply it for use in rehabilitation in the future.
Source: Psychogeriatrics - September 1, 2014 Category: Geriatrics Authors: Miyuki Kawada, Naofumi Tanaka, Satoshi Yamaguchi, Kenichi Meguro Tags: ORIGINAL ARTICLE Source Type: research

Language changes coincide with motor and fMRI changes following upper extremity motor therapy for hemiparesis: a brief report
Abstract To formally assess changes in language, affected UE movement, and motor functional activation changes via functional magnetic resonance imaging (fMRI) following participation in motor therapy without any accompanying language intervention. Pre-post case series. Five subjects with stroke exhibiting chronic, stable UE hemiparesis. The upper extremity section of the Fugl-Meyer (FM), the Western Aphasia Battery (WAB), and functional magnetic resonance imaging (fMRI), administered during performance of an affected UE motor task. All subjects were administered six weeks of repetitive task specific training (RT...
Source: Brain Imaging and Behavior - September 1, 2014 Category: Neurology Source Type: research

Community-applied research of a traditional Chinese medicine rehabilitation scheme on Broca's aphasia after stroke: study protocol for a randomized controlled trial
DiscussionIf the outcome is positive, this project will offer a low-cost appropriate technology for community health centers (CHCs) in the rehabilitation of aphasia patients after stroke, and could be implemented on a large scale, both in China and worldwide.Trial registration: Chinese Clinical Trial Registry: ChiCTR-TRC-13003703. Registration date: 18 October 2013.
Source: BioMed Central - July 21, 2014 Category: Journals (General) Authors: Jing TaoYunhua FangZhenkai WuTing RaoYusheng SuLili LinWei LiuJinsong WuShanli YangGuohua ZhengLidian Chen Source Type: research

Submillisievert ECG-gated whole thoracic CT-angiography for evaluation of a complex congenital heart defect in a young woman
A 30year old Caucasian woman presented to the emergency department with recurrent occipital headache, amnesic aphasia and apraxia of the upper extremities being exaggerated during physical and emotional stress for one week. 40days ago the woman gave birth to her third child, an apparently healthy female. Cerebral magnetic resonance imaging (MRI) showed evidence of sub-acute ischemia at the left frontal insula, corresponding to an embolic occluded distal side branch of the mid-cerebral artery. The patient was immediately transferred to the stroke unit.
Source: International Journal of Cardiology - July 12, 2014 Category: Cardiology Authors: Michael Behnes, Holger Haubenreisser, Aydin Huseynov, Christian Boecker, Stefan Baumann, Felix Heggemann, Tobias Becher, Ursula Hoffmann, Elif Elmas, Theano Papavassiliu, Martin Borggrefe, Stefan Schoenberg, Thomas Henzler, Ibrahim Akin Tags: Letter to the Editor Source Type: research

White Matter Tracts of Speech and Language
Diffusion tensor imaging (DTI) has been used to investigate the white matter (WM) tracts underlying the perisylvian cortical regions known to be associated with language function. The arcuate fasciculus is composed of 3 segments (1 long and 2 short) whose separate functions correlate with traditional models of conductive and transcortical motor or sensory aphasia, respectively. DTI mapping of language fibers is useful in presurgical planning for patients with dominant hemisphere tumors, particularly when combined with functional magnetic resonance imaging. DTI has found damage to language networks in stroke patients and ha...
Source: Seminars in Ultrasound CT and MRI - June 27, 2014 Category: Radiology Authors: Marion Smits, Lize C. Jiskoot, Janne M. Papma Source Type: research

Meningeal Disease Masquerading as Transient Ischemic Attack
Conclusions: Our study confirmed that serious meningeal disease could present as TIA, but this disease was relatively uncommon among patients treated in a TIA clinic. The findings highlight the diagnostic value of MRI in patients with suspected TIA.
Source: Journal of Stroke and Cerebrovascular Diseases - April 25, 2014 Category: Neurology Authors: Line Cuinat, Nathalie Nasr, Jeanine Manuela Kamsu, Frédéric Tanchoux, Fabrice Bonneville, Vincent Larrue Tags: Case Reports Source Type: research

The anterior temporal lobes support residual comprehension in Wernicke's aphasia
This study used functional magnetic resonance imaging to investigate the neural basis of written word and picture semantic processing in Wernicke’s aphasia, with the wider aim of examining how the semantic system is altered after damage to the classical comprehension regions. Twelve participants with chronic Wernicke’s aphasia and 12 control participants performed semantic animate–inanimate judgements and a visual height judgement baseline task. Whole brain and region of interest analysis in Wernicke’s aphasia and control participants found that semantic judgements were underpinned by activation in ...
Source: Brain - February 18, 2014 Category: Neurology Authors: Robson, H., Zahn, R., Keidel, J. L., Binney, R. J., Sage, K., Lambon Ralph, M. A. Tags: Original Articles Source Type: research

IS 39. Enhanced visuo-spatial and language learning with tDCS
Efficacy and effectiveness of training in conditions like chronic post-stroke aphasia or neglect, or neurodegenerative disorders like mild cognitive impairment (MCI) and Alzheimer’s disease, remain moderate only. Thus, novel strategies to enhance training success and overall behavioural outcome are urgently needed. Transcranial direct current stimulation (tDCS) is a noninvasive brain stimulation tool that is now being widely used in neuroscientific and clinical research in humans, modulating cortical excitability by application of weak electrical currents in the form of direct current brain polarization.In a series of st...
Source: Clinical Neurophysiology - September 19, 2013 Category: Neuroscience Authors: A. Flöel, W. Suttorp, M. Meinzer, C. Breitenstein Tags: Society Proceedings Source Type: research

Isolated Aphasic Status Epilepticus as Initial Presentation of Nonketotic Hyperglycemia.
We report a rare case of NKH presenting initially as persistent and isolated aphasic status epilepticus. Brain magnetic resonance imaging did not reveal any focal lesion, but ictal electroencephalography (EEG) disclosed left frontotemporal continuous theta to delta waves, intermingled with epileptiform discharges. Correcting the hyperglycemia failed to improve the language disorder, and the seizure was controlled only by the addition of carbamazepine. Patients with NKH may initially present with isolated aphasic status epilepticus. Unlike stroke-related aphasia, accurate diagnosis is difficult if based solely on neurologic...
Source: Clinical EEG and Neuroscience - September 4, 2013 Category: Neuroscience Authors: Huang LC, Ruge D, Tsai CL, Wu MN, Hsu CY, Lai CL, Liou LM Tags: Clin EEG Neurosci Source Type: research