نتایج جستجو برای: rtms

تعداد نتایج: 2175  

Journal: :Brain Stimulation 2021

BackgroundRepetitive transcranial magnetic stimulation (rTMS) has been proposed as a promising therapeutic intervention for neurological disorders. However, the precise mechanisms of rTMS in neural excitability remains poorly understood. Estradiol is known to have strong influence on cortical excitability. This study aimed determine whether high-frequency (HF) influences endogenous estradiol ma...

Alipasha Meysamie, Gohar Kiamarzi, Hassan Shojaie Baghini, Manouchehr Ilkhani, Parvin Ebrahimi,

Background: Aphasia is a common outcome of Cerebrovascular Accident (CVA) in which clinical interventions have limited effectiveness. Some evidence suggests that noninvasive stimulation of the brain can have beneficial effects in the treatment of CVA induced aphasia. In patients with motor aphasia, repetitive Transcranial Magnetic Stimulation (rTMS) is used to facilitate long-term improvement i...

Journal: :Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 2007
Miguel Fernández del Olmo Olalla Bello Javier Cudeiro

OBJECTIVE Several studies have shown that repetitive transcranial magnetic stimulation (rTMS) over the dorsolateral prefrontal cortex (DLPFC) is effective in the treatment of depression in patients with Parkinson disease (PD). However, since research into the effect of this type of rTMS regime on motor function is limited, we studied the effect of rTMS over the DLPFC on the motor functions in P...

Journal: :Rinsho shinkeigaku = Clinical neurology 2012
Youichi Saitoh Koichi Hosomi Tomoyuki Maruo

The use of electrical motor cortex stimulation (EMCS) for post-stroke pain was established in Japan and has spread globally. EMCS has been used for the treatment of neuropathic pain, Parkinson's syndrome, and recovery of motor paresis. Since 2000, repetitive transcranial magnetic stimulation (rTMS) has been developed for the treatment of various neurological disorders. rTMS is a non-invasive me...

Journal: :Journal of psychiatric research 2006
Michael Wagner Tonia A Rihs Urs P Mosimann Hans U Fisch Thomas E Schlaepfer

Transcranial magnetic stimulation has evolved into a powerful neuroscientific tool allowing to interfere transiently with specific brain functions. In addition, repetitive TMS (rTMS) has long-term effects (e.g. on mood), probably mediated by neurochemical alterations. While long-term safety of rTMS with regard to cognitive functioning is well established from trials exploring its therapeutic ef...

اعظم عسگری امیر شجاعی, سیدجواد میرنجفی زاده, فاطمه رستمی یعقوب فتح اللهی

زمینه و هدف: امروزه تحریک مغناطیسی از طریق جمجمه (rTMS) در درمان بعضی از اختلالات عصبی مورد استفاده قرار می‌گیرد؛امّا، تأثیرآن بر فعّالیّت نورونی و شکل‌پذیری سیناپسی به خوبی مشخص نشده است. هدف از این تحقیق بررسی اثر اعمال مزمن rTMS بر توانایی شکل‌پذیری سیناپسی می‌باشد. مواد و روش‌ها: rTMS به مدّت 14 روز به ناحیه هیپوکمپ اعمال شد. یک هفته پس از پایان اعمال rTMS میزان تقویّت سیناپسی طولانی مدّت (LTP)...

Farzad Ashrafi, Avid Rokni , Fatemeh Yourdkhani , Hosein Pakdaman , Sina Asaadi ,

Background: Motor function impairment occurs in approximately two-thirds of patients with subcortical stroke. Repetitive transcranial magnetic stimulation (rTMS) is a noninvasive technique for modulating cortical excitability. Objectives: The present study was designed for assessing the efficacy of high-frequency rTMS (5 Hz) on ipsilesional primary motor cortex in patients with subcortical stro...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم پزشکی 1389

صرع غایب یکی از انواع سندروم های صرعی است که راه درمان قطعی ندارد به همین خاطر تحقیقات زیادی به منظور یافتن راه های جدید برای درمان این بیماری در حال انجام است. از چندین دارو به عنوان داروی انتخابی برای درمان آن استفاده می شود که داروی والپرات سدیم از مهمترین این داروها می باشد. تحقیقات نشان داده است که اعمال rtms در مدل های حیوانی صرع غایب اثر مهاری بر روی تشنج ها دارد. در تحقیق حاضر اثرات مها...

2010
Holger Rothkegel

Objective: Stimulation frequency has been considered themost important factor in conventional repetitive transcranial magnetic stimulation (rTMS) for determining the direction of after effects on corticospinal excitability. Here, we examined the functional relevance of breaks during high-frequency subthreshold rTMS for the induction of facilitatory after effects. Methods: The after effects on c...

2008
M. A. Etribi

Background and Purpose: Although there is some early evidence showing the value of repetitive transcranial magnetic stimulation (rTMS) in stroke rehabilitation, the therapeutic effect of high-frequency rTMS, has not been established. The aim of this study is to investigate the effect of different frequencies of rTMS on motor cortical excitability on the affected and non affected hemisphere and ...

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