Action potential
Loss of ATP-Sensitive Potassium Channel Surface Expression in Heart Failure Underlies Dysregulation of Action Potential Duration and Myocardial Vulnerability to Injury.
... sic action potential (MAP) probe (EP Technologies, Sunnyvale, CA) was maintained at a single stable position on the LV epicardium, and amplified signals (IsoDam, World Precision Instru- ments, Sarasota, FL) ...
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Remote Monitoring of the Heart Condition of Athletes by Measuring the Cardiac Action Potential Propagation Time Using a Wireless Sensor Network
... the Action Potential Propagation ...the Action potential propagation time, in lieu of multiple lead ECG ...the Action Potential Propagation Time – as a very useful system for ...
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Fitting membrane resistance along with action potential shape in cardiac myocytes improves convergence: application of a multi-objective parallel genetic algorithm.
... kindly provided by Dr. Kenneth W. Spitzer, University of Utah (unpublished data). This study was approved by the Institutional Animal Care and Use Committee (IACUC) of the University of Utah school of Medicine. The ...
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BK channels regulate spontaneous action potential rhythmicity in the suprachiasmatic nucleus.
... show diurnal patterning. During the day neurons are more active, increasing their activity to 8–10 Hz at the midday peak. At night, activity is suppressed to ,2 Hz on average, with many neurons remaining silent [5–9]. ...
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Acute NMDA receptor antagonism disrupts synchronization of action potential firing in rat prefrontal cortex.
... variability of spike timing from individual neurons is also informative of dynamical processing. One metric for characteriz- ing such variability is called the Fano factor, which is the ratio of the variance to the mean ...
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Action potential initiation in the hodgkin-huxley model.
... of action potential initiation in cortical neurons in vivo and in vitro are ...onset potential, i.e. the membrane potential at which an action potential fires, and the onset ...
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Regulation of action potential waveforms by axonal GABAA receptors in cortical pyramidal neurons.
... currents and AP waveforms are subject to dopaminergic modulation [58]. At the direct activation site, the GABA-induced shunting effect can regulate the AP waveform by decreasing the amplitude and the half-width. Beyond ...
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Action potential energy efficiency varies among neuron types in vertebrates and invertebrates.
... The initiation and propagation of action potentials (APs) places high demands on the energetic resources of neural tissue. Each AP forces ATP-driven ion pumps to work harder to restore the ionic concentration ...
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Synaptic metaplasticity underlies tetanic potentiation in Lymnaea: a novel paradigm.
... initial action potentials, interpreted as a non-random signal, cumulatively built up a long-term memory of the signal in the deepest synaptic ...further action potential was applied, the synaptic ...
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Na+/K+-ATPase inhibition partially mimics the ethanol-induced increase of the Golgi cell-dependent component of the tonic GABAergic current in rat cerebellar granule cells.
... an action potential-dependent manner from cerebellar Golgi cells (GoCs) significantly contributes to the GABA pool that activates extra- synaptic receptors in young (postnatal day (P) 7–20), but not older ...
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Facial electroneurography in Bell's palsy: variability in the early stage and comparison between interpretation methods
... The usual method of electroneurography (ENG) used to determine the prognosis in Bell's palsy consists of comparing the amplitude of the compound muscular action potential (CMAP) regist[r] ...
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Eccentric Contraction-Induced Muscle Fibre Adaptation
... intracellular action potential shape and in synchronization of motor units firing on EMG power ...intracellular action potential shapes and different degrees of synchronization of motor unit ...
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Arq. NeuroPsiquiatr. vol.55 número3A
... amplitude and duration, as well as both compound muscle action and sensory nerve action potential, plus nerve.. conduction velocity[r] ...
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Rev. Bras. . vol.75 número1 en v75n1a14
... compound action potential (ECAP) of the auditory nerve represents an option to assess changes in auditory nerve responses and the interaction between the electrode bundle and the neural tissue over ...
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Development and function of the voltage-gated sodium current in immature mammalian cochlear inner hair cells.
... membrane potential? A possible explanation could relate to the transient membrane hyperpolarizations, ...spontaneous action potentials ...an action potential ...
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Atrial Anti-Arrhythmic Effects of Heptanol in Langendorff-Perfused Mouse Hearts.
... of action poten- tials (APs) through successive regions of the working myocardium ...by action potential duration (APD) and effective refractory period (ERP), ...
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Rev Bras Med Esporte vol.10 número4
... So, the use of regularly commercialized electrodes constructed and adapted for this type of measure is required, what, still, pre- sents high cost, impairing the access to the use of this technique. Despite the ...
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RESPOSTA ELETROMIOGRÁFICA DO MÚSCULO ILIOCOSTAL LOMBAR DURANTE OS MOVIMENTOS DE FLEXÃO E EXTENSÃO DO TRONCO NA POSIÇÃO SENTADA
... presented action potencies of greater width than the place identified the ICLl in all movements and ...presented action potential of greater amplitude than the place identified as ICLl in all ...
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Mitral cells of the olfactory bulb perform metabolic sensing and are disrupted by obesity at the level of the Kv1.3 ion channel.
... Our data predict that transient changes in insulin levels due to the ingestion of food would modulate mitral cell action potential frequency patterns to yield changes in electrical information relayed to ...
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Estragole blocks neuronal excitability by direct inhibition of Na
... of action of estragole on neuronal ...record action potential and Na + currents with intracellular and patch-clamp techniques, ...of action potentials in cells with or without inflexions on ...
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