From Wiktionary, the free dictionary
From a- + topo- + -gnosia.
atopognosia
- (pathology) The inability to locate a sensation, especially a point of touch.
123, Yann Coello, Perceptual and Emotional Embodiment: Foundations of Embodied Cognition:However, since patients with atopognosia can detect touch, initial sensory processing must be intact.