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Professional Technical

chronoampere

Pronunciation: KRON-oh-am-peer

Unit of electrical charge used in neurostimulation, equal to one ampere flowing for one second.

Full Definition

A chronoampere is a unit of electrical charge representing the amount of current (one ampere) flowing for a specific duration (one second), commonly used in transcranial stimulation and other neurostimulation techniques. In clinical practice, chronoamperes help quantify the total charge delivered during therapeutic electrical stimulation protocols. This measurement is crucial for ensuring consistent dosing across treatment sessions and for comparing results between different stimulation paradigms. The term is particularly relevant in transcranial direct current stimulation (tDCS) and transcranial magnetic stimulation (TMS) protocols.

Usage

Usage note: Singular and plural forms are identical; use lowercase unless beginning a sentence.

In Context

  • "The stimulation protocol delivered a total of 2.0 chronoamperes over the 20-minute session." — Neurostimulation treatment report
  • "Chronoampere measurements were recorded to ensure reproducible stimulation parameters." — Clinical trial protocol

Also known as

ampere-second coulomb

Don't confuse with

milliampere microampere charge density

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