Gustav Fechner

High school (ages 12+)
Science & Technology

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Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/gustav-fechner

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. When was Gustav Fechner born?April 19, 1801
2. Where was Gustav Fechner born?Grossenhain, Kingdom of Saxony, German Confederation
3. What is Gustav Fechner known for?Founding the field of psychophysics and formulating the Weber-Fechner law
4. Who was Gustav Fechner?Gustav Fechner was a German scientist who helped us understand how the mind and body work together. He is known for starting the study of psychophysics, which looks at how we feel things.
5. What is the just-noticeable difference?The just-noticeable difference, or JND, is the smallest change in a stimulus that we can detect. Fechner measured it to learn how our senses work.

Psychophysics: The scientific discipline that investigates the relationship between physical stimuli and the subjective sensations and perceptions they produce.
Weber-Fechner Law: A logarithmic relationship stating that the perceived magnitude of a sensation increases with the logarithm of the stimulus intensity.
Just-Noticeable Difference (JND): The minimum difference between two stimuli, or the minimum change in a single stimulus, that can be detected by a person.