Which clinical history findings are characteristic of Lennox-Gastaut syndrome (LGS)?

Updated: Nov 09, 2018
  • Author: Koshi A Cherian, MD; Chief Editor: Amy Kao, MD  more...
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Young children with LGS may exhibit mood instability, personality disturbances, or slowing and/or arrest of psychomotor development and educational progress. In contrast, older children with LGS experience character problems, acute psychotic episodes, or chronic forms of psychosis with aggressiveness, irritability, or social isolation.

The most impaired of the cognitive functions are reaction time and information processing, which are prolonged. The main characteristics of mental deterioration are reported as apathy, memory disorders, impaired visuomotor speed, and perseverance.

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