Which early scientist and philosopher was the first to refer to our awareness of very faint stimuli as an indication of our absolute thresholds?

Question

Quizplus · Accepted Answer

Gustav Fechner, a German scientist and philosopher, first introduced the concept of our absolute threshold in 1860. He defined it as the minimum amount of stimulation needed for a person to detect it 50% of the time. He also introduced the concept of the difference threshold, the smallest amount of change in a stimulus that a person can detect.

Which Early Scientist and Philosopher Was the First to Refer