In vivo local transcranial static magnetic field stimulation alters motor behavior in normal rats

نویسندگان

چکیده

Transcranial static magnetic field stimulation (tSMS) has inhibitory neuromodulatory effects on the human brain. Most of studies fields have been performed in vitro. To further understand biological mechanisms tSMS, we investigated vivo tSMS motor behavior normal awake rats. The skull a male Wistar rat was exposed and polyethylene tube attached to using dental cement at center cortex (n = 7) or other 6). By attaching cylindrical NdFeB neodymium magnet into tube, (REAL) performed. For SHAM, applied similar size non-magnetic stainless-steel cylinder. All rats received twice each SHAM REAL every two days crossover design, function measured during stimulation. Activity level asymmetry forelimb use were not affected, but less accurate movements horizontal ladder test found cortex. This study shows that depending stimulated region

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Transcranial static magnetic field stimulation of the human motor cortex.

The aim of the present study was to investigate in healthy humans the possibility of a non-invasive modulation of motor cortex excitability by the application of static magnetic fields through the scalp. Static magnetic fields were obtained by using cylindrical NdFeB magnets. We performed four sets of experiments. In Experiment 1, we recorded motor potentials evoked by single-pulse transcranial...

متن کامل

No modulatory effects by transcranial static magnetic field stimulation of human motor and somatosensory cortex

BACKGROUND Recently, it was reported that the application of a static magnetic field by placing a strong permanent magnet over the scalp for 10 min led to an inhibition of motor cortex excitability for at least 6 min after removing the magnet. When placing the magnet over the somatosensory cortex, a similar inhibitory after effect could be observed as well. OBJECTIVE Our aim was to replicate ...

متن کامل

Effects of High-Frequency Repetitive Transcranial Magnetic Stimulation on Motor Functions in Patients with Subcortical Stroke

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...

متن کامل

Transcranial Static Magnetic Field Stimulation over the Primary Motor Cortex Induces Plastic Changes in Cortical Nociceptive Processing

Transcranial static magnetic field stimulation (tSMS) is a novel and inexpensive, non-invasive brain stimulation (NIBS) technique. Here, we performed non-invasive modulation of intra-epidermal electrical stimulation-evoked potentials (IES-EPs) by applying tSMS or sham stimulation over the primary motor (M1) and somatosensory (S1) cortices in 18 healthy volunteers for 15 min. We recorded EPs aft...

متن کامل

Assessing motor function in young children with transcranial magnetic stimulation.

OBJECTIVE Accurate noninvasive assessment of motor function using functional MRI (fMRI) and magnetoencephalography (MEG) is a challenge in patients who are very young or who are developmentally delayed. In such cases, passive mapping of the sensorimotor cortex is performed under sedation. We examined the feasibility of using transcranial magnetic stimulation (TMS) as a motor mapping tool in awa...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Neuroscience Letters

سال: 2021

ISSN: ['1872-7972', '0304-3940']

DOI: https://doi.org/10.1016/j.neulet.2021.135864