Hermann von Helmholtz (1 jan 1821 ano – 1 jan 1894 ano)

Descrição:

German Physiologist

-Discovered the Law of Conservation of Energy

-Measured the speed of neural impulses using frog legs and concluded that nervous action involves the movement of physical/material entities
--------determined that impulses travel at 90ft/s (61.3mph)

-If our knowledge arrives through the senses, then studying the senses makes a good starting point for understanding how we obtain knowledge

-Created the Trichromatic Theory (with English scientist, Thomas Young)

-discovered factors such as binocular vision, resonance theory, the problem of perception, frequency theory, and unconscious inference



[-Ewald Hering created the Opponent Process Theory (aka Hering Theory) of Color Vision (extension of Trichromatic Theory)]

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