Mach Bands¶
Ratliff, F. (1965). Mach Bands: Quantitative Studies on Neural Networks in the Retina.
Cited by¶
2 citations across 2 artifacts.
Each citation links to the sentence it supports in the citing article.
Primes¶
- Lateral Inhibition
- Neuroscience: Retinal and cortical neurons inhibit adjacent cells, sharpening luminance edges and producing contrast illusions such as Mach bands, in which small luminance steps are perceptually exaggerated into bright and dark fringes.
This sourceHolden-Day. Canonical monograph deriving the Mach-band contrast illusion from retinal lateral inhibition; shows edge sharpening and the perceptual exaggeration of small luminance steps into bright and dark fringes.
- Neuroscience: Retinal and cortical neurons inhibit adjacent cells, sharpening luminance edges and producing contrast illusions such as Mach bands, in which small luminance steps are perceptually exaggerated into bright and dark fringes.
Mechanisms¶
- Inhibitory Feedback Circuit
- Push the gain up and the loop overshoots — real, faint-but-valid neighbours get slammed down, and boundaries acquire an over-sharpened halo, the direct analogue of Mach bands in vision.
This sourceDescribes Mach bands as exaggerated bright and dark edge effects in retinal inhibitory-network responses.
- Push the gain up and the loop overshoots — real, faint-but-valid neighbours get slammed down, and boundaries acquire an over-sharpened halo, the direct analogue of Mach bands in vision.
Verification¶
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