Stimulus Threshold

There are three types of threshold stimuli: absolute, conditional and differential.

The absolute threshold is the minimum amount of stimulus required to produce a sensation. For example, for sound, the threshold is 10 decibels (dB). For light, the threshold would be light of 1 phot (photon). Moreover, if the stimulus is less than the absolute threshold, we will not feel it, even if it exists.

The conditioned threshold is the minimum stimulus that must be presented several times to elicit a response. For example, if we apply a stimulus of 20 dB, then only after several repetitions can an auditory sensation be evoked.

Differential threshold is the difference between two stimuli that produce the same response. For example, we can determine that a sound of 5 dB is louder than a sound of 0 dB.

It is important to understand that these concepts are not absolute and depend on the individual characteristics of each person.

**Threshold stimulus (P)** is the minimum signal that causes the minimum required reaction in the object of study. It is considered the point at which the initial impact enters the full action phase. In addition, the threshold stimulus is a significant characteristic of the response to any external influence.

The term "threshold" is often used to describe the sensitivity of different organisms to different types of stimuli. For example, in biology, a threshold might be a certain amount of light needed for the eye to detect stimuli. In psychology, a threshold point can refer to the level of stimulation at which a person becomes aware or responsive. In computer science, a threshold stimulus is the gap between two binary numbers, which determines the beginning of a