electrophysiology, the threshold potential is the critical level to which a membrane potential must be depolarized to initiate an action potential. In neuroscience...

Action potential Aerobic threshold Anaerobic threshold Dark adaptation threshold Epidemic threshold Flicker fusion threshold Masking threshold Odor detection...

depolarize—the membrane potential must reach a voltage threshold more positive than the resting membrane potential. Therefore, hyperpolarisation of the postsynaptic...

often added to a term known as a bias (loosely corresponding to the threshold potential), before being passed through a non-linear function known as an activation...

known as the threshold potential) or until it is depolarized by another action potential, coming from a neighboring cell. The pacemaker potential is thought...

the threshold potential. At the axon hillock of a typical neuron, the resting potential is around –70 millivolts (mV) and the threshold potential is around...

membrane potential to depolarize +40mV (100 x 0.4mV = 40mV) from -100mV to -60mV where it reaches threshold. Once the membrane potential reaches threshold, an...

postsynaptic potentials (EPSPs). Depolarizing local potentials sum together, and if the voltage reaches the threshold potential, an action potential occurs...

membrane potential around -65 mV, to reach the threshold potential and consequently fire the next action potential; thus, the pacemaker potential is what...

action potentials. However, all action potentials are begun by electrotonic potentials depolarizing the membrane above the threshold potential which converts...

reversal potential below threshold, such as a typical K+ current, is considered inhibitory. A current with a reversal potential above the resting potential, but...

2 ϕ F {\displaystyle 2\phi _{F}} is the surface potential, V T O {\displaystyle V_{TO}} is threshold voltage for zero substrate bias, γ = ( t o x / ϵ...

the fixed threshold, v t h 0 {\displaystyle v_{th0}} , after every spike, causing an adaptation of the threshold. The threshold potential, v t h {\displaystyle...

as the pacemaker potential. Once the pacemaker potential reaches a set value, the threshold potential, it produces an action potential. Other cells within...

enzymes or presynaptic reuptake. In response to a threshold action potential or graded electrical potential, a neurotransmitter is released at the presynaptic...

the neuron reaching the threshold. Action potentials are not graded; they are all-or-none responses. Postsynaptic potentials begin to be terminated when...

potential is the slow depolarization because of sodium influx, and once threshold has been reached the continued depolarization due to calcium influx. Repolarization...

membrane potential oscillations are membrane oscillations that do not directly trigger an action potential since they do not reach the necessary threshold for...

from a neuron's resting membrane potential towards its threshold potential, increases the likelihood of an action potential and normally occurs with the influx...

motility. In the human enteric nervous system, the slow-wave threshold is the slow-wave potential which must be reached before a slow wave can be propagated...

bring the membrane potential of the sensory receptor towards the threshold for triggering an action potential. Receptor potential can work to trigger...

individual inputs, summation may or may not reach the threshold voltage to trigger an action potential. Neurotransmitters released from the terminals of a...

gluconate) increases threshold potential through a mechanism that is still unclear, thus restoring normal gradient between threshold potential and resting membrane...

and other factors act on the resting potential and bring it closer to the threshold potential, an action potential is more easily and rapidly obtained...

Excitatory post-synaptic potentials (EPSPs) depolarize the membrane and move the potential closer to the threshold for an action potential to be generated. Inhibitory...

hyperpolarizes the neuron's membrane potential. As a result, the difference between resting potential and threshold potential is increased and firing is less...

of membrane potential. That is, the maximum diastolic potential is less negative and therefore exists closer to the threshold potential. Cellular depolarisation...

dissolution-pH thresholds for pH responsive polymers. Some new instrumentations techniques exist that allow zeta potential to be measured. The Zeta Potential Analyzer...

hyperpolarizes the neuron's membrane potential. As a result, the difference between resting potential and threshold potential is increased and firing is less...

the axon. In electrophysiological terms, it has the most negative threshold potential. While the axon and axon hillock are generally involved in information...