Ibn al Haytham · Science

Seeing Is Judging

Ibn al-Haytham argued that perception is not passive reception but active inference - the mind builds what we see, a thousand years before cognitive science.

What you'll be able to recall

You learned that for Ibn al-Haytham, perception adds judgment to sensation. Explain, using an illusion, how the mind goes beyond what strikes the eye, in your own words.

Leads to Hermann von Helmholtz.

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