Extracting impedance changes from a frequency multiplexed signal during neural activity in sciatic nerve of rat: preliminary study in vitro.
Sign Up to like & getrecommendations! Published in 2019 at "Physiological measurement"
DOI: 10.1088/1361-6579/ab0c24
Abstract: OBJECTIVE To establish suitable frequency spacing and demodulation steps to use when extracting impedance changes from frequency division multiplexed (FDM) carrier signals in peripheral nerve. APPROACH Experiments were performed in vitro on cadavers immediately following… read more here.
Keywords: neural activity; impedance changes; frequency; impedance ... See more keywords
Overcoming temporal dispersion for measurement of activity-related impedance changes in unmyelinated nerves
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Neural Engineering"
DOI: 10.1088/1741-2552/ac669a
Abstract: Objective. Fast neural electrical impedance tomography is an imaging technique that has been successful in visualising electrically evoked activity of myelinated fibres in peripheral nerves by measurement of the impedance changes (dZ) accompanying excitation. However,… read more here.
Keywords: impedance changes; unmyelinated nerves; activity; stimulation ... See more keywords
Transcranial Impedance Changes during Sleep: A Rheoencephalography Study
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Journal of Translational Engineering in Health and Medicine"
DOI: 10.1109/jtehm.2019.2898193
Abstract: Objective: To demonstrate the utility of rheoencephalography (REG) for measuring cerebral blood flow and fluid dynamics during different stages of sleep. Methods: Anteroposterior cranial electrical impedance was measured with concurrent polysomnography in a group of… read more here.
Keywords: impedance changes; transcranial impedance; impedance; sleep rheoencephalography ... See more keywords
Model of Impedance Changes in Unmyelinated Nerve Fibers
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Biomedical Engineering"
DOI: 10.1109/tbme.2018.2849220
Abstract: Objective: Currently, there is no imaging method that is able to distinguish the functional activity inside nerves. Such a method would be essential for understanding peripheral nerve physiology and would allow precise neuromodulation of organs… read more here.
Keywords: nerve; impedance changes; unmyelinated nerve; impedance ... See more keywords
Electrical impedance tomography: Amplitudes of cardiac related impedance changes in the lung are highly position dependent
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DOI: 10.1371/journal.pone.0188313
Abstract: Background Electrical impedance tomography (EIT) is used on the thorax to measure impedance changes due to the presence of air and blood in the lung. This experimental study was performed to investigate the effect of… read more here.
Keywords: impedance changes; impedance tomography; electrical impedance; impedance ... See more keywords
Bioelectrical Impedance Changes of the Trunk are Opposite the Limbs Following Acute Hydration Change
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Electrical Bioimpedance"
DOI: 10.2478/joeb-2022-0005
Abstract: Abstract This study aimed to evaluate the changes in impedance and estimates of body composition variables obtained from segmental multi-frequency bioelectrical impedance analysis (SMFBIA) following acute hydration change. All participants (N = 11 active adults)… read more here.
Keywords: dehydration; impedance changes; hyperhydration; change ... See more keywords