may 30, 1860 - Elements of Psychophysics
Description:
-Inspired by his theory ON OCTOBER 22, 1850 AKA FECHNER DAY 10 years prior to publishing-Contained his methods for determining thresholds:
1) Limits: ascending/descending intensities of stimuli
2) Constant Stimuli: various intensities of stimuli in random order
3) Adjustment: subject controls intensities of stimuli
Added to timeline:
Date:
may 30, 1860
Now
~ 165 years ago