simultanagnosia

simultanagnosia
Inability to recognize multiple elements in a visual presentation, i.e., one object or some elements of a scene can be appreciated but not the display as a whole. SYN: simultagnosia. [simultaneous + agnosia]

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si·mul·tan·ag·no·sia (si″məl-tān″əg-noґzhah) impaired purposeful search of a complex visual display, reflecting a difficulty in integrating the parts as a whole; called also simultagnosia.

Medical dictionary. 2011.

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