Bilateral symmetrical softening of the thalamus

I. Szirmai, A. Guseo, M. Molnár

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The clinical and pathological data of a 48 year old patient who survived 40 days are reported. Her disturbance of consciousness corresponded to an apallic syndrome, which 12 days later became akinetic mutism. Symmetrical softening involving the medial thalamic nuclei from the plane of the corpora mamillaria to the red nuclei was found. The ischemic lesion might be explained by transient circulatory collapse combined with hypoplasia of the vertebrobasilar arteries. On the EEG slight irregular alpha activity was recorded (alpha coma) and external stimuli elicited theta-delta waves (paradox activation). A survey of the literature of akinetic mutism is included and the correlation between non-hypnoid unconsciousness and EEG is discussed.

Original languageEnglish
Pages (from-to)57-65
Number of pages9
JournalJournal of Neurology
Volume217
Issue number1
DOIs
Publication statusPublished - Mar 1 1977

Keywords

  • Akinetic mutism
  • Alpha coma
  • Paradox activation
  • Thalamus softening

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

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