نتایج جستجو برای: evoked magnetic fields

تعداد نتایج: 578127  

In this work, nonlocal vibration of double of carbon nanotubes (CNTs) system conveying fluid coupled by visco-Pasternak medium is carried out based on nonlocal elasticity theory where CNTs are placed in uniform temperature change and magnetic field. Considering Euler-Bernoulli beam (EBB) model and Knudsen number, the governing equations of motion are discretized and Ritz method is applied to ob...

Journal: :Neurobiology of learning and memory 2015
Eva M Bauch Nico Bunzeck

In humans, the temporal and oscillatory dynamics of pain anticipation and its effects on long-term memory are largely unknown. Here, we investigated this open question by using a previously established behavioral paradigm in combination with magnetoencephalography (MEG). Healthy human subjects encoded a series of scene images, which was combined with cues predicting an aversive electric shock w...

Journal: :Neuroscience letters 2007
Simona Carrubba Clifton Frilot Andrew L Chesson Andrew A Marino

Recent electrophysiological evidence suggested the existence of a human magnetic sense, but the kind of dynamical law that governed the stimulus-response relationship was not established. We tested the hypothesis that brain potentials evoked by the onset of a weak, low-frequency magnetic field were nonlinearly related to the stimulus. A field of 1G, 60 Hz was applied for 2s, with a 5s inter-sti...

Journal: :NeuroImage 2014
Hideaki Miyaji Naruhito Hironaga Toshiro Umezaki Koichi Hagiwara Hiroshi Shigeto Motohiro Sawatsubashi Shozo Tobimatsu Shizuo Komune

The sensory projections from the oral cavity, pharynx, and larynx are crucial in assuring safe deglutition, coughing, breathing, and voice production/speaking. Although several studies using neuroimaging techniques have demonstrated cortical activation related to pharyngeal and laryngeal functions, little is known regarding sensory projections from the laryngeal area to the somatosensory cortex...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2014
Chao Gu Brian D Corneil

Transcranial magnetic stimulation (TMS) has emerged as an important technique in cognitive neuroscience, permitting causal inferences about the contribution of a given brain area to behavior. Despite widespread use, exactly how TMS influences neural activity throughout an interconnected network, and how such influences ultimately change behavior, remain unclear. The oculomotor system of nonhuma...

Journal: :Journal of dental research 2007
H Bessho Y Shibukawa M Shintani Y Yajima T Suzuki T Shibahara

To determine the 'hard palate representing' area in the primary somatosensory cortex, we recorded somatosensory-evoked magnetic fields from the cortex in ten healthy volunteers, using magnetoencephalography. Following electrical stimulation of 3 sites on the hard palate (the first and third transverse palatine ridges, and the greater palatine foramen), magnetic responses showed peak latencies o...

Journal: :Monthly Notices of the Royal Astronomical Society 1965

Journal: :Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 2006
Anke Sambeth Minna Huotilainen Elena Kushnerenko Vineta Fellman Elina Pihko

OBJECTIVE We investigated whether newborns respond differently to novel and deviant sounds during quiet sleep. METHODS Twelve healthy neonates were presented with a three-stimulus oddball paradigm, consisting of frequent standard (76%), infrequent deviant (12%), and infrequent novel stimuli (12%). The standards and deviants were counterbalanced between the newborns and consisted of 500 and 75...

Journal: :journal of computational applied mechanics 0
borhan beigzadeh biomechatronics and cognitive engineering research lab, school of mechanical engineering, iran university of science and engineering mahdi halabian biomechatronics and cognitive engineering research laboratory, school of mechanical engineering, iran university of science and technology

the use of magnetic fields in targeted drug delivery, especially for treatment of cancers and tumoral regions, is one of the significant techniques in the field of modern methods of treatment. considering that many vital biological tissues have been located deep in the body, then for targeted drug delivery and effective treatment in these tissues, it is required to bring therapeutic agent to th...

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