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Here is a quick mnemonic “LOCALIZATION to remember about Localization Of Sensory Abnormalities

This can be valuable for patients as well as medical doctors, nurses & students doing their clinical rounds. You can also find it very useful for med exams like USMLE, NEET PG, FMGE, NExT & NCLEX exams

Localization Of Sensory Abnormalities : How To Remember Easily ?

  • L – Lesions at different levels of the nervous system can cause sensory symptoms and signs.
  • O – Observing the distribution and nature of the symptoms is crucial for localization.
  • C – Configurations, extent, and severity of symptoms provide important clues.
  • A – Ace-tazolamide or hyperventilation can cause systemic tingling dysesthesias.
  • L – Lesions affecting peripheral nerve structures manifest in corresponding dysesthesias.
  • I – Interpretation of dysesthesias without sensory findings can be challenging.
  • Z – Zonally Vitamin B12 deficiency may lead to distal dysesthesias without a defined cause.
  • A – Absence of sensory deficits may occur due to overlapping root territories.
  • T – Termination of sensory deficits in the fingertips may coincide with knee involvement.
  • I – Involvement of both hands and feet can indicate lesions in the upper cervical cord or brainstem.
  • O – Other evidence of a central lesion, such as sphincter involvement, may be present.
  • N – Nerve fiber size can affect the sensory pattern in polyneuropathies.


Dr. Arin Nandi

Passionate About Medical Science & Helping Future Doctors Achieve Top Ranks In Medical Exams. He is professionally a dentist as well as a public health expert from JIPMER (1), (2)working in health department