tetartanopia

n. an extremely rare form of partial color blindness marked by difficulty in discriminating between yellow and blue. Luminosity perception is normal, but the yellow and blue perception processes have confused or possibly merged connections. Its existence is considered controversial. See dichromatism.

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Psychology term of the day

October 10th 2024

Werdnig–Hoffmann disease

see spinal muscular atrophy. [Guido Werdnig (1862–1919), Austrian neurologist; Johann Hoffmann (1857–1919), German neurologist]