نتایج جستجو برای: electro encephalography

تعداد نتایج: 20818  

2012
Mitra Jabalameli Nina Hazegh Saeed Gholami

BACKGROUND Hyperbaric and isobaric bupivacaine has been shown to reduce bispectral index (BIS) during spinal anesthesia. The aim of this study was to compare the effect of isobaric bupivacaine and hyperbaric bupivacaine on the BIS during cesarean section with spinal anesthesia. MATERIALS AND METHODS In this double-blind randomized controlled clinical trial, 84 pregnant women with ASA (America...

2015
Sennay Ghebreab Victor A.F. Lamme H. Steven Scholte

20 Attention is thought to impose an informational bottleneck on vision by selecting 21 particular information from visual scenes for enhanced processing. Behavioral 22 evidence suggests, however, that some scene information can be extracted even 23 when attention is directed elsewhere. Here, we investigated the neural correlates of 24 this ability by examining how attention affects electrophys...

Journal: :Aij Journal of Technology and Design 2022

A magnetically shielded room (MSR) equipped with an automatic door is designed and developed to improve a convenience of operation. The MSR for biomagnetic measurements (e.g., magneto-encephalography), it required that such has high shielding performance because biomagnetism extremely smaller than environmental magnetic noises. In particular, we devise the laminar structure shield plates preven...

Journal: :international journal of environmental research 2011
d. rameshraja s. suresh

a general overview on the prospective of various oxidation and combined processes in the treatment of tannery industry effluent are reported. various oxidation and combined processes such as uv/h2o2/hypochlorites, fenton and electro-oxidation, photo-chemical, photo-catalytic, electro-catalytic oxidation, wet air oxidation, ozonation, biological followed by ozone/uv/ h2o2, coagulation or ele...

Journal: :Applied psychophysiology and biofeedback 2018
Christos N Moridis Vasileios Terzis Anastasios A Economides Anna Karlovasitou Vasileios E Karabatakis

Information systems (IS) community is increasingly interested in employing neuroscience tools and methods in order to develop new theories concerning Human-computer interaction (HCI) and further understand IS acceptance models. The new field of NeuroIS has been introduced to address these issues. NeuroIS researchers have proposed encephalography (EEG), among other neuroscience instruments, as a...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2017
Stefania Benetti Markus J van Ackeren Giuseppe Rabini Joshua Zonca Valentina Foa Francesca Baruffaldi Mohamed Rezk Francesco Pavani Bruno Rossion Olivier Collignon

Brain systems supporting face and voice processing both contribute to the extraction of important information for social interaction (e.g., person identity). How does the brain reorganize when one of these channels is absent? Here, we explore this question by combining behavioral and multimodal neuroimaging measures (magneto-encephalography and functional imaging) in a group of early deaf human...

2011
Hans C. Lou Morten Joensson Katja Biermann-Ruben Alfons Schnitzler Leif Østergaard Troels W. Kjaer Joachim Gross

It has been proposed that the workings of the brain are mainly intrinsically generated recurrent neuronal activity, with sensory inputs as modifiers of such activity in both sensory and higher order modality non-specific regions. This is supported by the demonstration of recurrent neuronal activity in the visual system as a response to visual stimulation. In contrast recurrent activity has neve...

Journal: :Anesthesiology 2008
Steven B Backman

encephalography: Basic Principles, Clinical Applications and Related Fields, 2nd edition. Edited by Niedermeyer E, Lopes da Silva F. Baltimore, Urban and Schwarzenberg, 1987, pp 79–83 8. Bruder N, Velly L, Rey M: A low voltage EEG signal may give low bispectral index values (letter). Anesth Analg 2004; 98:873 9. McGonigal A, Bartolomei F, Régis J, Guye M, Gavaret M, Trébuchon-Da Fonseca A, Dufo...

2008
J. Hennig T. Grotz B. Zahneisen A. Ella M. Zaitsev I. Mader A. Harloff

Introduction: The concept of one-voxel-one-coil(OVOC) acquisition has been introduced as an extreme realization of parallel imaging where spatial information is predominantly encoded through the sensitive volumes of multiple small coils. In implementations as MR-encephalography(MREG) or Inverse Imaging (InI) this allows very rapid examination of functional activation (1,2). The signal time cour...

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