You searched for: “atopognosis
atopognosis
1. The inability to discern the origin of a sensation.
2. Absence or loss of topognosia; inability to locate correctly a point of touch.
3. Sensory inattention; inability to locate a sensation properly.

Usually caused by a contralateral parietal lobe lesion.

atopognosis (s) (noun), atopognoses (pl)
A condition in which a person is incapable of knowing where he or she is being touched: "The doctor asked his patient to close her eyes and tell him where he touched her, but she couldn't realize that he touched her on the top of her hands, her neck, nor her shoulder."