In this video I describe the parts of the eye and the function of each of these parts for vision. I also explain why the red-eye effect occurs in photographs and how an additional light is able to correct for … Read More
Signal Detection Theory
In this video I explain how signal detection theory relates to psychophysics and the study of absolute and difference thresholds. I also explain how response criteria play a role in signal detection theory and the possibility of type I and … Read More
Psychophysics!
In this video I introduce psychophysics and explain the difference between the absolute threshold and the difference threshold (or just noticeable difference). I also discuss the difficulties of measuring our sensitivity to stimulation and provide a simple demonstration of Weber’s … Read More