Duração potencial ação
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
~2ms a 37°C
About this calculator
The action potential duration calculator estimates the time a neuron takes to repolarize after an electrical signal. Typical values range from 1 to 2 milliseconds (ms), influenced primarily by ambient temperature.
The formula uses a baseline of approximately 2 ms at 37°C (body temperature). For other temperatures, adjustments are made using thermodynamic ion activity ratios. This enables accurate predictions in neurophysiology studies.
This tool is useful for students, researchers, and healthcare professionals working with nerve signaling studies or neurological diagnostics. It helps predict changes in pathological conditions like neuropathies or medication effects.
NOTE: Results may vary depending on neuron type (sensory, motor, etc.) and experimental conditions. Always verify with context-specific data.
Frequently asked questions
What exactly does the calculator measure?
It estimates action potential duration in milliseconds based on input temperature, using the 2 ms at 37°C thermodynamic relationship as reference.
How does temperature affect the result?
Temperature changes ion activity in neuronal membranes. The calculator adjusts duration proportionally to temperature variations relative to 37°C.
When should I use this tool?
Use it in experimental neurophysiology studies, biology education, or diagnostics of conditions affecting nerve conduction.
Why is it important for medicine?
Changes in action potential duration can indicate neuropathies or drug side effects, aiding in patient diagnosis and monitoring.