نتایج جستجو برای: electrode recording
تعداد نتایج: 116059 فیلتر نتایج به سال:
When recording intracellularly, the resistance across the cell membrane must be monitored. However the resistance seen by the recording ampli"er consists of the access resistance (between the electrode and the cell) in series with the cell resistance. When the stray capacitance is low, the time constant of the cell and that associated with the recording setup are di!erent and the two resistance...
Introduction The recording of electroencephalogram (EEG) inside the MR scanner has gained increasing interest, particularly in the field of functional MRl (fMRI) [ 1,2]. EEG recording during fMRI can impair the image quality due to magnetic susceptibility of the EEG electrode assemblies and electromagnetic noise from the EEGrecording equipment. We therefore investigated (1) local signal drop ou...
I hereby declare that I am the sole author of this thesis. This is a true copy of the thesis, including any required final revisions, as accepted by my examiners. I understand that my thesis may be made electronically available to the public. Abstract Monitoring bio-electric events is a common procedure, which provides medical data required in clinical and research applications. Electrophysiolo...
The purpose of this study was to revisit the two-channel, simultaneous click-evoked extratympanic electrocochleography and auditory brainstem response (ECoG/ABR) recording technique for clinical use in normal hearing participants. Recording the compound action potential (AP) of the ECoG simultaneously with ABR may be useful when Wave I of the ABR is small or diminished in patients with sensorin...
OBJECTIVE This paper describes a low power closed-loop compressive sensing (CS) based neural recording system. This system provides an efficient method to reduce data transmission bandwidth for implantable neural recording devices. By doing so, this technique reduces a majority of system power consumption which is dissipated at data readout interface. The design of the system is scalable and is...
Current methods for recording field potentials with tungsten electrodes make it virtually impossible to use the same recording electrode also as a lesioning electrode, for example for histological confirmation of the recorded site, because the lesioning procedure usually wears off the tungsten tip. Therefore, the electrode would have to be replaced after each lesioning procedure, which is a ver...
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