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motifs/Lateral inhibition

Sharpens contrast between neighbouring channels by having each suppress its neighbours.

Centre-surround filterComplete graphStructure onlyLicense: Structure · public domain pattern

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v1.0.0

Parallel channels that inhibit sideways. Uniform input cancels out; a local difference is amplified. Figure separates from ground.

**Computes** Sharpens contrast between neighbouring channels by having each suppress its neighbours. **Engineering equivalent** Centre-surround filter / unsharp mask / band-pass in space. **Size** 7 neurons, 8 connections

Unlike a brain or a circuit, this artifact is complete: the graph below is the motif, not a pointer to it. Only the LIF parameters are missing before it can run.

Appears in: - small-object-tracking — Wide-field motion suppresses LC11, leaving small objects - olfactory-learning — Glomerular cross-inhibition in the antennal lobe

- Same operation as feedback inhibition, applied across space instead of across time.

At a glance

Artifact typeMotif

Package size2.2 kB

Neurons / synapses7 / 8

Test vectorsNot included

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