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[Pathologic laughing and crying in neurologic disorders]

W Brola1, L Szafraniec

  • 1Oddziału Neurologii Szpitala, Rejonowego w Końskich.

Przeglad Lekarski
|January 1, 1997
PubMed
Summary

Pathological laughing and crying are affective disorders linked to nervous system diseases like stroke and multiple sclerosis. This review covers their clinical picture, neuroanatomic and neurophysiologic causes, diagnosis, and treatment.

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Area of Science:

  • Neurology
  • Neuroscience
  • Psychiatry

Context:

  • Affective disorders, specifically pathological laughing and crying (PLC), are recognized complications of various nervous system diseases.
  • PLC can manifest in conditions such as cerebrovascular lesions, multiple sclerosis (MS), amyotrophic lateral sclerosis (ALS), Alzheimer disease, and cerebral tumors.

Purpose:

  • To review the literature on the clinical presentation, pathogenesis, diagnostic criteria, and treatment of pathological laughing and crying.
  • To examine the neuroanatomic and neurophysiologic underpinnings of PLC, using stroke and multiple sclerosis as primary examples.

Summary:

  • Pathological laughing and crying are involuntary emotional expressions associated with neurological damage.
  • The underlying mechanisms remain largely unknown, but potential pathways involve disruptions in neuroanatomic circuits and neurophysiologic processes.
  • This review synthesizes current knowledge on the clinical manifestations, diagnostic approaches, and therapeutic strategies for managing PLC in neurological patients.

Impact:

  • Provides a comprehensive overview for clinicians and researchers investigating affective disorders in the context of neurological conditions.
  • Highlights the need for further research into the precise mechanisms driving pathological laughing and crying.
  • Informs diagnostic and treatment strategies for patients experiencing uncontrolled emotional lability due to nervous system diseases.

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