atopognosis
/əˌtɑpəɡˈnoʊsɪs/
noun
- The inability to locate a sensation (such as touch or pain) on the body; loss of the ability to identify where on the body a stimulus is applied.
- After the stroke, the patient suffered from atopognosis and could not tell where he was being touched.
- Atopognosis is often associated with damage to the parietal lobe of the brain.
- The doctor tested for atopognosis by touching different spots on the patient's arm and asking her to point to each one.