The measurement of sensation refers to the process of quantifying how we perceive stimuli through our senses, such as sight, sound, touch, taste, and smell. This involves using various techniques and tools to assess sensory thresholds, which are the minimum levels of stimulus required for detection. Psychophysics is a key field that studies the relationship between physical stimuli and the sensations they produce. Researchers often use methods like absolute threshold tests, where participants identify the smallest detectable stimulus, and difference threshold tests, which measure the smallest change in stimulus intensity that can be perceived. These measurements help in understanding sensory processing and can be applied in areas like psychology, medicine, and marketing.