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Pseudobulbar Affect

      Pseudobulbar affect (PBA) is a condition characterized by episodes of uncontrollable laughing and/or crying that are not appropriate to the situation. PBA often occurs in people with diseases that may affect the way the brain controls emotion. Such conditions include the following:
      • Amyotrophic lateral sclerosis
      • Alzheimer disease
      • Multiple sclerosis (MS)
      • Parkinson's disease
      • Stroke
      • Traumatic brain injury
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