action potential amplitude

USAGE SUMMARY

The phrase "action potential amplitude" is correct and usable in written English.
It can be used in scientific or medical contexts, particularly in discussions about neuroscience or physiology, to refer to the strength of an action potential in a neuron. Example: "The action potential amplitude was measured to determine the excitability of the neuron under different conditions."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Similar relationships were measured for action potential amplitude, duration, and conduction velocity.

Biosensors and Bioelectronics

It has been shown that finger circumference negatively correlates with sensory nerve action potential amplitude (SNAP-A).

Clinical Neurophysiology

During most time periods, decoder performance was not well correlated with action potential amplitude (p > 0.05 for three of four arrays).

Stanford University

In two arrays from one animal, action potential amplitude declined by an average of 37% over the first 2 months after implant.

Stanford University

Action potential amplitude decreased by 2.4% per month on average over the course of 9.4, 10.4, and 31.7 months in three animals.

Stanford University

Simultaneous measurements from the same cell made with free-standing nanowire and patch-clamp probes show that the same action potential amplitude and temporal properties are recorded without corrections to the raw nanowire signal.

Nature

Main Outcome Measures: Surface electromyogram, surface-detected motor unit action potential amplitude (S-MUAP), mean firing rate, force (MVC), motor unit index.

Archives of Physical Medicine and Rehabilitation

Overall, this study suggests that action potential amplitude declines more slowly than previously supposed, and performance can be maintained over the course of multiple years when decoding from threshold-crossing events rather than isolated action potentials.

Stanford University

neCMAP, nerve evoked compound muscle action potential amplitude; SNAP, sensory nerve action potential amplitude; dmCMAP, direct muscle evoked compound muscle action potential amplitude.

Intensive Care Medicine Experimental

* Peak sensory latency, sensory nerve action potential amplitude (SNAP).

The Egyptian Journal of Neurology, Psychiatry and Neurosurgery

Green and red labels show different definitions of electrophysiological parameters (action potential amplitude and sag ratio).

Brain Informatics

Expert writing Tips

Best practice

When discussing changes in neuronal activity, specify whether you are referring to changes in "action potential amplitude", frequency, or duration to avoid ambiguity.

Common error

Avoid using "action potential amplitude" and action potential frequency interchangeably. Amplitude refers to the size or strength of the signal, whereas frequency refers to how often action potentials occur.

Linguistic Context

The phrase "action potential amplitude" functions as a noun phrase, typically serving as the subject or object of a sentence in scientific writing. It refers to a specific measurable property of a neuron. Ludwig provides examples where the phrase is used to describe experimental results and observations.

Expression frequency: Very common

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Ludwig's WRAP-UP

In summary, "action potential amplitude" is a grammatically sound and frequently used term within the scientific domain, specifically in the fields of neuroscience and physiology. According to Ludwig, it accurately describes the strength of an electrical signal in a neuron and is essential for reporting data and understanding cellular properties. Common contexts include scientific publications and research reports. While alternatives like "magnitude of action potential" exist, "action potential amplitude" remains the standard and most precise term in this context. When using the term, ensure accurate differentiation between amplitude and frequency.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

magnitude of action potential

Replaces "amplitude" with "magnitude", focusing on the size or extent of the action potential.

strength of action potential

Substitutes "amplitude" with "strength", emphasizing the power or intensity of the action potential.

action potential peak voltage

Specifies "peak voltage" instead of "amplitude", pinpointing the maximum voltage reached during the action potential.

action potential signal intensity

Uses "signal intensity" to describe the strength of the action potential's electrical signal.

action potential voltage deflection

Employs "voltage deflection" to highlight the change in voltage during the action potential.

size of the action potential

Emphasizes the "size" as a general measurement of the action potential's magnitude.

intensity of action potential spike

Replaces "amplitude" with "intensity" and adds "spike" to specify the sharp, transient nature of the action potential.

action potential electrical response

Focuses on the action potential as an "electrical response", highlighting its function.

action potential membrane potential change

Specifies "membrane potential change" to emphasize the alteration in electrical potential across the cell membrane.

action potential waveform height

Uses "waveform height" to describe the vertical extent of the action potential's graphical representation.

FAQs

How is "action potential amplitude" measured?

Action potential amplitude is typically measured as the difference in voltage between the peak of the action potential and the resting membrane potential. Some studies measure it relative to the spike threshold.

What factors can affect "action potential amplitude"?

Factors such as changes in ion channel activity, temperature, and pH can all influence "action potential amplitude". Additionally, certain neurological conditions can impact it.

Is "action potential amplitude" the same as action potential duration?

No, "action potential amplitude" and action potential duration are distinct properties. Amplitude refers to the strength of the signal, while duration refers to how long the action potential lasts.

What is a normal "action potential amplitude"?

Normal "action potential amplitude" varies depending on the type of neuron and the experimental conditions, but it is typically in the range of 80-120 mV.