نتایج جستجو برای: periaqueductal gray matter

تعداد نتایج: 242985  

Journal: :Neuroreport 2007
Alexandre F M DaSilva Cristina Granziera David S Tuch Josh Snyder Maurice Vincent Nouchine Hadjikhani

Migraine has been traditionally considered a nonprogressive, paroxysmal disorder with no brain abnormalities between attacks. We used diffusion tensor imaging to examine interictal diffusion properties of the brains of migraineurs with aura, migraineurs without aura and matched healthy controls. Areas of lower fractional anisotropy were present in migraineurs along the thalamocortical tract. In...

2010
Ryan G. Parsons Georgette M. Gafford Fred J. Helmstetter

Recent work has led to a better understanding of the neural mechanisms underlying the extinction of Pavlovian fear conditioning. Long-term synaptic changes in the medial prefrontal cortex (mPFC) are critical for extinction learning, but very little is currently known about how the mPFC and other brain areas interact during extinction. The current study examined the effect of drugs that impair t...

Journal: :Neurology 2012
Eduardo E Benarroch

All since 1951, it is now a weekly with 48 issues per year.

Journal: :مجله علوم اعصاب شفای خاتم 0
shahrokh nasseri medical physics department, mashhad university of medical sciences, mashhad, iran mehdi momennezhad a. medical physics department, mashhad university of medical sciences, mashhad, iran b. nuclear medicine research center, mashhad university of medical sciences, mashhad, iran hossein akbari-lalimi medical physics department, mashhad university of medical sciences, mashhad, iran

introduction: voxel based morphometry is a type of statistical parametric mapping that can be used to investigate the effect of diseases such as epilepsy, alzheimer's disease and parkinson's disease or other agent such as skills on brain structure (white matter, gray matter and cerebrospinal fluid). the aim of this study is evaluate the effectiveness of this method in detection of dif...

Journal: :Research in vestibular science 2023

Thiamine deficiency may cause Wernicke encephalopathy (WE) characterized by ataxia, ophthalmoplegia, and confusion. Aside from the triad of cardinal symptoms, selective or predominant impairments bilateral horizontal canals be observed in WE. Here, we report a patient with gastric mucosa-associated lymphoid tissue (MALT)-lymphoma complicated an early stage WE due to thiamine manifesting vestibu...

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