Hermann von Helmholtz (1 janv. 1821 – 1 janv. 1894)
Description:
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)]
Ajouté au bande de temps:
Date:
1 janv. 1821
1 janv. 1894
~ 73 years