grandmother cell
 n.— «The Grandmother cell.…Should one suppose that the cellular abstraction process goes so far that there exists for every meaningful structure of whose specific recognition a person is capable (for example, “my grandmother”) at least one particular nerve cell in the brain that responds if and only if the light and dark pattern from which that structure is abstracted appears in its visual space…?» —“Limits to the Scientific Understanding of Man” by Gunther S. Stent Science Mar. 21, 1975. (source: Double-Tongued Dictionary)

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