focal neurological signs

Last reviewed 12/2022

Focal neurological signs help discriminate which part of the nervous system is affected by a lesion.

Frontal lobe signs may include:

  • mental disturbance, e.g. dementia, apathy, inappropriate emotion
  • epilepsy
  • grasp reflex, pout and snout reflexes
  • unilateral anosmia

Parietal lobe signs may include:

  • sensory disturbance, agraphia, acalculia

Temporal lobe signs may include:

  • loss of long and short term memory