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Condition: Aphasia
Procedure: MRI Scan

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Total 232 results found since Jan 2013.

The panoply of field-dependent behavior in 1436 stroke patients. The mirror neuron system uncoupled and the consequences of loss of personal autonomy.
Abstract Evaluation of the multifaceted nature of frontal network syndromes is uniquely challenging and rarely tested in the acute/sub-acute stroke period. Field-dependent behavior such as imitation behavior, utilization behavior, and environmental dependency syndrome, as a component of altered environmental autonomy, may be a reliable bedside test. This research focused on the frequency of field-dependent behavior in stroke, the subtypes and relation to frontal lobe lesion location and stroke etiology. A validated frontal network score incorporating a 10-point imitation behavior scale was applied to alert patient...
Source: Neurocase - September 2, 2013 Category: Neurology Authors: Hoffmann M Tags: Neurocase 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 1, 2013 Category: Neuroscience Authors: A. Flöel, W. Suttorp, M. Meinzer, C. Breitenstein Tags: Society Proceedings Source Type: research

Cerebral Infarction in an HIV-Infected Patient with Combined Protein S and C Deficiency and a Patent Foramen Ovale
A 41-year-old male with a history of human immunodeficiency virus (HIV) infection developed motor aphasia, dysarthria, and right hemiparesis. A magnetic resonance imaging scan of the brain revealed a cerebral infarction in the territory of the left middle cerebral artery. The laboratory data showed decreased levels of protein S and protein C. Transesophageal contrast-enhanced echocardiography revealed a patent foramen ovale (PFO). Prothrombotic states, such as protein S and C deficiency, have been reported in HIV-infected patients. In addition, previous studies have reported prothrombotic states to be risk factors for PFO-...
Source: Journal of Stroke and Cerebrovascular Diseases - May 13, 2013 Category: Neurology Authors: Ran Tomomasa, Kazuo Yamashiro, Ryota Tanaka, Nobutaka Hattori Tags: Case Reports Source Type: research

Dystypia without aphasia associated with visuospatial memory impairment in a patient with acute stroke.
Authors: Ryu DW, Kim JS, Yang DW, Kim YI, Lee KS Abstract Keyboard typing is a multifunctional task related to language, visual-spatial and motor abilities. If one of these functions is impaired, difficulty during typing could occur. Here, a 64-year-old right-handed man is reported who developed a sudden typing disturbance without aphasia or neglect. Magnetic resonance imaging of the brain showed discrete acute infarcts in the border-zone regions, bilaterally, predominantly in the left hemisphere. The neuropsychiatric testing showed an impaired visual-spatial memory domain; however, other cognitive functions were a...
Source: Alzheimer Disease and Associated Disorders - March 9, 2013 Category: Psychiatry Tags: Alzheimer Dis Assoc Disord Source Type: research

Acute stroke secondary to carotid artery dissection in a patient with germ cell tumour: did Cisplatin play a role?.
Conclusion: Carotid artery dissection has not been reported as the cause of cisplatin-associated stroke in patients with GCT. This case demonstrates the potential for cisplatin-induced mechanisms causing carotid dissection, particularly considering the close temporal association of BEP and the event in our patient. In young patients with excellent curative potential from GCT, every effort should be made to minimise the risk of disabling side effects of BEP. After a stroke, imaging of intracranial and extracranial arteries, monitoring and correction of serum magnesium is recommended. The decision to continue or discontinue ...
Source: Onkologie - February 28, 2013 Category: Cancer & Oncology Authors: Khadjooi K, Adab N, Kenton A Tags: Onkologie Source Type: research

Systemic thrombolysis for stroke in pregnancy
Pregnancy is an exclusion criterion for all clinical trials that validate alteplase in acute stroke, so our knowledge about its use in this condition is relative only to case reports and case series. Herein, we report the successful use of intravenous recombinant tissue-type plasminogen activator (rt-PA) in pregnant women with acute stroke. The patient was a 28-year-old who was 16 weeks pregnant. She presented to our hospital 1 hour after a sudden onset of mothor aphasia, hemiparesis, and hypoesthesia on the right side due to incipient ischemia in the left cerebral hemisphere resulting from ipsilateral middle cerebral arte...
Source: The American Journal of Emergency Medicine - August 6, 2012 Category: Emergency Medicine Authors: Rossana Tassi, Maurizio Acampa, Giovanna Marotta, Samuele Cioni, Francesca Guideri, Simone Rossi, Alfonso Cerase, Giuseppe Martini Tags: Case Reports Source Type: research

Simultaneous Onset of Anterior and Middle Cerebral Artery Dissections with an Old Vertebral Artery Dissection
We report a patient with infarctions caused by simultaneous arterial dissections in the right anterior cerebral artery and the left middle cerebral artery and discuss the characteristic feature of this vascular disorder. A 53-year-old woman presented with a severe headache and a mild aphasia. Magnetic resonance imaging revealed multiple acute cerebral infarctions in the left temporal and right frontal lobes. The initial angiographic findings revealed arterial dissections of the anterior cerebral, left middle cerebral, and right vertebral arteries. The follow-up angiographic examination found improvement of the stenosis in ...
Source: Journal of Stroke and Cerebrovascular Diseases - April 16, 2012 Category: Neurology Authors: Tatsuya Kato, Takashi Yagi, Hideyuki Yoshioka, Masakazu Ogiwara, Toru Horikoshi, Hiroyuki Kinouchi Tags: Original Articles Source Type: research