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Mnemonic

Bell's Palsy Versus Stroke Forehead Sparing

Mnemonic for distinguishing a lower motor neuron facial palsy from an upper motor neuron lesion.

Anatomy Head and Neck
Expansion

Bell's drops it all, stroke spares the wall

Expansion

  • Bell’s palsy - lower motor neuron, whole side of the face affected
  • Stroke - upper motor neuron, forehead spared due to bilateral cortical input