Mach bands

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Mach bands

When a light area is separated from a dark area by a transition zone in which the brightness increases or decreases regularly and rapidly, two bands are seen: one light band next to the dark area and another dark band next to the light area. The appearance of these two bands, known as Mach bands, is attributed to lateral inhibition processes occurring in the retina. The phenomenon is usually demonstrated with a rotating disc with black and white areas separated by a zone of brightness gradient. Syn. Mach rings.

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lateral inhibition			Experiment 3 Mach bands represent a special form of brightness contrast occurring at borders of adjacent visual stimuli differing in luminance (reviewed in Fiorentini, 1972). Rattlesnake orientation to prey as a function of thermal backgrounds ... by Theodoratus, Demetri Hilario; Chiszar, David; Smith, Hobart M. / The Psychological Record			MAA Maalox MAAS Maass MAB mabp MAC MAC awake MAC disease MAC infection MAC regimen MAC Test Kit Macaca MacAdam ellipses Macadamia MacAllan clamps macaque MACAW Macdonaldius Mace macerate maceration MacEwan Sign Macewen's sign Macewen's triangle Mach bands mach effect Machado-Joseph disease Machaeranthera ramosa Mache unit machine machine clipping machine milking machinery murmur machinist's hand machismo Macho Machover Draw-A-Person Test Machupo macies Mackenzie brush technique Mackenzie river disease mackerel Macleod MacMillan technique MACOP-B macr(o)- macr- Macracanthorhynchus macrencephalia macrencephaly			MacGahan, Januarius Aloysius Macgamer.net Macgillicuddy's Reeks Macgillicuddy's Reeks Macgillycuddy's Reeks Macgillycuddy's Reeks MACGLH MACGN macgovernite MacGregor MacGregor MacGregor, Robert MacGregor, Robert MacGuffin Mach Mach Mach Mach (disambiguation) Mach (disambiguation) Mach (kernel) Mach (speed) Mach (speed) Mach 10 Mach 10 Mach 2 Mach 2 Mach Airspeed Indicator Mach angle Mach band Mach band Mach bands Mach cone Mach disk Mach effect Mach Ernst Mach front Mach indicator Mach Interface Generator Mach Interface Generator Mach kernel Mach kernel Mach limit Mach limit Mach line Mach Max Operating MACH NO Mach number Mach number Mach number indicator Mach number indicator Mach numbers Mach numbers Mach principle Mach reflection Mach refractometer Mach Rider Mach speed Mach speed mach stem mach stem Mach Sweep Programmer

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