Johannes von Kries
German physiological psychologist / From Wikipedia, the free encyclopedia
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Johannes Adolf von Kries (6 October 1853 – 30 December 1928) was a German physiological psychologist[1] who formulated the modern “duplicity” or “duplexity” theory of vision mediated by rod cells at low light levels and three types of cone cells at higher light levels.[2][3] He made important contributions in the field of haemodynamics.[4] In addition, von Kries was a significant theorist of the foundations of probability.
Quick Facts Born, Died ...
Johannes von Kries | |
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Born | (1853-10-06)6 October 1853 |
Died | 30 December 1928(1928-12-30) (aged 75) |
Known for | Von Kries coefficient law Von Kries transform |
Scientific career | |
Fields | Physiological psychology |
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