NORCET-11 Prelims
Applied Physiology
Medium

A patient with parietal lobe dysfunction is asked by the examiner to point to their knees, but instead points to their elbows, and repeatedly confuses body parts, particularly between upper and lower limbs. What is the clinical term for this inability to correctly locate, identify or differentiate one's own body parts?

Appeared in: NORCET-11 Prelims

Explanation

  • Autotopagnosia is the inability to identify or localize parts of one's own body.
  • It is associated with parietal lobe dysfunction, especially on the left side.
  • Patients may confuse or mispoint to body parts when asked, as in the scenario.
  • This is a higher-order disorder of body schema, not a primary sensory or motor deficit.

Why Other Options Were Wrong

  • Option B: Anosognosia is a lack of awareness or denial of one's own neurological deficit, such as paralysis after a stroke. It does not involve confusion about body part localization.
  • Option C: Astereognosis is the inability to recognize objects by touch despite intact primary sensation. It is not about identifying one's own body parts.
  • Option D: Apraxia is the inability to perform purposeful movements or tasks despite normal motor and sensory function. It does not involve confusion about body part identity or location.

Related Visual

Illustration of a human figure with arrows showing incorrect pointing to body parts e.g., patient asked to point to knee but points to elbow, with a highlighted parietal lobe...
Clinical Relevance
  • Nursing practice connection: Prioritize focused assessment, early escalation, and real-time monitoring when managing Clinical term for inability to identify or localize one's own body parts (body schema disorder) in acute care settings.
  • Nurses should recognize autotopagnosia as a sign of parietal lobe dysfunction, which may occur after stroke or traumatic brain injury.
  • Accurate identification helps in planning rehabilitation and safety measures, as patients may be at risk for injury due to body schema confusion.
  • What if? If the patient instead denied having any deficit or paralysis, anosognosia would be considered, not autotopagnosia.
How to Approach the Question
  • Identify the main clinical feature: confusion in identifying or localizing body parts.
  • Link this feature to the relevant brain region (parietal lobe).
  • Recall the specific neuropsychological terms for body schema disorders.
  • Eliminate options that refer to denial of deficit, object recognition, or movement execution problems.
  • Select the term that specifically matches the described deficit.
Concept Tested & Keywords
  • Concept Tested: Clinical term for inability to identify or localize one's own body parts (body schema disorder)
  • Stem keywords: parietal lobe dysfunction, confuses body parts, upper and lower limbs, cannot locate body parts
  • Lead-in keywords: clinical term, inability to correctly locate, identify or differentiate one's own body parts
  • Clinical cues: parietal lobe lesion
  • Clinical cues: body part confusion

Question ID

Qi7lQefOG6SWMDIYXOnQFa

Reference Book

E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) p. 1430-1432

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Attempt every question from this paper in a timed mock, then review the full solution for each one.