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Changes in sleep-waking cycle induced by lesions of medialis dorsalis thalamic nuclei in the cat

Authors
Journal
Neuroscience Letters
0304-3940
Publisher
Elsevier
Publication Date
Volume
85
Issue
2
Identifiers
DOI: 10.1016/0304-3940(88)90355-2
Keywords
  • Sleep Wakefulness
  • Thalamus
  • Medialis Dorsalis
  • Cat

Abstract

Abstract Bilateral lesions of medialis dorsalis (MD) thalamic nuclei in chronically implanted cats disrupt the sleep-waking cycle by inducing a reduction of both slow-wave and desynchronized sleep and a corresponding increase of wakefulness. Bilateral lesions of the anterior thalamic group produce some postural deficits but no changes in the percentage of sleep and wakefulness. The hypothesis that MD lesions alter the sleep processes by interrupting an anterior forebrain-MD-cortical link has been put forward.

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