The Dancing Mouse: A Study in Animal Behavior
Chapter 7
THE SENSE OF SIGHT: BRIGHTNESS VISION
What is known concerning sight in the dancer--Brightness vision and color vision--Methods of testing brightness vision, the visual discrimination apparatus--Motives for discrimination and choice--Punishment versus reward as an incentive in animal experiments--Hunger as an incentive--An electric stimulus as an incentive--Conditions for brightness vision tests-- White-black vision--Evidence of preference--Check experiments--Conclusion.