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Cranial Nerves

Pseudobulbar Palsy

February 15th, 2021


Pseudobulbar palsy is a neurologic syndrome that occurs due to an upper motor neuron lesion affecting cranial nerves IX, X and XII.
  • Signs of Pseudobulbar Palsy

  • Increased jaw jerk
  • Absent palate rise
  • Increased / normal pharyngeal reflex
  • Tongue spasticity
  • Spastic dysarthria - strained-strangled, slow speech
  • Causes of Pseudobulbar Palsy

  • Internal capsular stroke
  • Multiple sclerosis
  • Motor neurone disease
  • Head injury
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