Quantitative study of the relationship between controlled physical stimuli and sensory performance or reports.
A framework separating stimulus discriminability from decision criterion in noisy tasks. Response bias and sensory sensitivity need not change together.
A function relating a stimulus variable to measured response probability or discrimination performance.
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Psychophysics is a branch of psychology that studies the relationship between physical stimuli and the sensations and perceptions they produce in the human mind. It seeks to quantify the relationship between stimuli such as sound, light, and touch, and the sensations associated with them. This field investigates how changes in the intensity, duration, or quality of a stimulus can affect our sensory experience.