Two-streams Hypothesis
The two-streams hypothesis is a widely accepted and influential model of the neural processing of vision. The hypothesis, given its most popular characterisation in a paper by David Milner and Melvyn A. Goodale in 1992, argues that humans possess two distinct visual systems. As visual information exits the occipital lobe, it follows two main pathways, or "streams". The ventral stream (also known as the "what pathway") travels to the temporal lobe and is involved with object identification and recognition. The dorsal stream (or, "how pathway") terminates in the parietal lobe and is involved with processing the object's spatial location relevant to the viewer.
Read more about Two-streams Hypothesis: History, Two Visual Systems, Criticisms
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“The wheels and springs of man are all set to the hypothesis of the permanence of nature. We are not built like a ship to be tossed, but like a house to stand.”
—Ralph Waldo Emerson (1803–1882)