Central and Peripheral Nerve Paralysis

Table 1: Clinical aspects of facial nerve paralysis
Facial nerve paralysis
Central Upper motor neurone implies a cause other than Bell’s palsy
Peripheral Lower motor neurone [8]

The assessment of the child with facial nerve paralysis requires a full and thorough head to toe examination to ensure important clues to possible causes are not missed [10].

It is important to distinguish between the following types of facial nerve paralysis (Table 1):

  • Central facial nerve paralysis
  • Peripheral facial nerve paralysis

Neurological examination should include:

  • Cranial nerves and peripheral nervous system
  • Testing of VIIn should reveal a lower motor neurone (LMN) pattern with inability to wrinkle the forehead. Preservation suggests a central cause
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