Psychology Atlas

How The Mind Works
Sign In
Text size
100%
Theme
Psychological Phenomena

Just-Noticeable Difference

Perception and Psychophysics Effects

In psychophysics, a just-noticeable difference, or JND, is the amount by which a stimulus must be changed for the difference to be noticeable, defined as detectable at least half the time. This threshold is also known as the difference limen, difference threshold or least perceptible difference.

Facts
Core Claim
The amount something must be changed in order for a difference to be noticeable, detectable at least half the time. 1
Classification
Type of Phenomenon
Perceptual Phenomenon 1
Connections

In Branch

Sources
1. Just-noticeable difference, Wikipedia
  • Lead paragraph
    In psychophysics, a just-noticeable difference (JND) is the amount something must be changed in order for a difference to be noticeable, detectable at least half the time.
  • lead section, phenomenon-kind classification
    In psychophysics, a just-noticeable difference (JND) is the amount something must be changed in order for a difference to be noticeable, detectable at least half the time.
View the Source
Comments (0)
No comments yet. Be the first to share a thought.
Reader Challenges (0)
No disputes yet. Spotted an error or a better source? Open the first one.