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Inability to form a mental image of an object by combining the sensory data obtained therefrom.
[L. in-, not, + per-cipio, pp. -ceptus, to perceive]
imperception(ĭm″pĕr-sĕp′shŭn) [L. in-, not, + percipere, to perceive]
The inability to form a mental picture; lack of perception.