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Single-Unit Recording

Edgar Adrian recorded action potentials from individual nerve fibers.

Action potentials

© Blausen · CC-BY

Edgar Adrian's 1925 single-unit recordings from individual nerve fibers demonstrated that action potentials are all-or-none events and that information is encoded in firing rate. This founded single-neuron electrophysiology and earned him the 1932 Nobel Prize with Sherrington.

Gallery

Single-unit recording

Single-unit recording

Electrophysiology

Electrophysiology

Videos

2-Minute Neuroscience: Neuron

Neuroscientifically Challenged

Related in NeuroSphere

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Explore Further

Nobel Prize — Adrian

via Society for Neuroscience

PubMed — Adrian recording

via PubMed

Neuronal Dynamics

via Neuronal Dynamics (EPFL)

Harvard edX — Neuron

via Harvard Fundamentals of Neuroscience (edX)

Sources & Attribution

BrainFacts.org Stanford Encyclopedia of Philosophy NIH BRAIN Initiative