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Difference between Absolute Threshold and Difference Threshold

Difference between Absolute Threshold and Difference Threshold

Do you ever wonder how our senses perceive the world around us? Much of it comes down to two concepts in psychology – Absolute Threshold and Difference Threshold. These two thresholds explain how we can differentiate between various levels of stimulus from light, sound, and smell. In this blog post, we will explore what makes these two separate thresholds different so that you can better understand your own sensory experience!

What is the Absolute Threshold?

The Absolute Threshold is an important concept in psychology, and it relates to the senses. Specifically, it is the lowest level of intensity at which a person can consciously detect a particular stimulus. For example, if somebody was trying to hear how quiet a whisper was in a very noisy room, they would have difficulty detecting the sound until the noise around them decreased enough that the Absolute Threshold for that sound had been reached. By understanding Absolute Thresholds, one can better understand how our senses work by learning more about the threshold between perceiving stimuli and not perceiving it.

What is the Difference Threshold?

  • The Difference Threshold, otherwise known as the Just Noticeable Difference (JND), is simply defined as the minimum amount of change that a person can detect between two stimuli. This threshold has been studied extensively in fields such as psychology and neuroscience to measure the detection capability of humans.
  • Scientifically determining the Difference Threshold can help us understand our senses better and use this knowledge to create products and experiences that engage with users on a deeper level. It helps explore how variations in sensory input can help set our moods, encourage users to pay attention, or even manipulate the way we interact with devices and software applications.
  • The Difference Threshold is an important concept that helps shed light on how human beings perceive the world around them and explains why small changes often make all the difference.

Difference between Absolute Threshold and Difference Threshold

Absolute Threshold and Difference Threshold are concepts that are closely related in the field of psychophysics, which studies the relationship between physical stimuli and psychological perception.

  • Absolute Threshold refers to the lowest intensity level of a stimulus that can be detected by the senses while Difference Threshold, also known as the “just noticeable difference” or “jnd”, is when two slightly different stimuli are presented at the same time and a person can detect the difference between them.
  • Absolute Threshold thus outlines how much stimuli is needed, as opposed to Difference Threshold which determines how small a change in stimuli needs to be for it to be noticed.

Understanding both Absolute and Difference Threshold is paramount to gaining insights into how people perceive external stimuli.


The absolute threshold is the minimum amount of stimulation that a person can detect. The difference threshold is the minimum amount of stimulation that a person can detect as being different from another similar stimulus. These two concepts are important to understand when discussing how people process information and make decisions.

If you can tap into how your customer’s brains work at different stages in the purchasing process or lead funnel, you may be able to drive more sales with less effort. The neuroscience sales tips we’ve provided should help you get started thinking about how you can leverage the power of the human brain in your own digital marketing strategy.

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