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

What is Psychophysics?

My apologies to those of you hoping to read about physics gone mad; the truth is that psychophysics is actually the study of our sensitivity to stimuli of different strengths. This is generally done by attempting to measure different types of … Read More

Sensation & Perception Resources

On this page you’ll find a number of resources for understanding the key concepts of sensation and perception. If I’ve missed a good resource, please share it in the comments section! General Resources Sensation & Perception Key Terms Sensation & … Read More