What significance did the observation that astronomers differ in their reaction times have for the history of psychology? What is the Bell–Magendie law? What was the significance of this law in the...

What significance did the observation that astronomers differ in their reaction times have for the history of psychology?

What is the Bell–Magendie law? What was the significance of this law in the history of psychology?

How did Helmholtz explain perception? Include in your answer a discussion of unconscious inference.