For other uses of isomorphism, see isomorphism (disambiguation)

Isomorphism (disambiguation)

Etymology:   iso- + -morphism From Ancient Greek: -morphism: the state of having a specified shape or formIsomorphism may refer to:...

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In Gestalt psychology

Gestalt psychology

Gestalt psychology or gestaltism is a theory of mind and brain of the Berlin School; the operational principle of gestalt psychology is that the brain is holistic, parallel, and analog, with self-organizing tendencies...

, isomorphism refers to a correspondence between a stimulus array and the brain state created by that stimulus. For example, in the phi phenomenon

Phi phenomenon

The phi phenomenon is an optical illusion defined by Max Wertheimer in the Gestalt psychology in 1912, in which the persistence of vision formed a part of the base of the theory of the cinema, applied by Hugo Münsterberg in 1916....

in which a pair of alternating and spatially separated patches of light create the illusion of motion, it is argued that the brain state created by this stimulus matches the brain state created by a patch of light moving between the two locations.