Mammalian-like features of sleep structure in zebra finches
| Autor: | Daniel Margoliash, Sylvan S. Shank, Terrence J. Sejnowski, Philip S. Low |
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| Jazyk: | angličtina |
| Rok vydání: | 2008 |
| Předmět: |
Mammals
Sleep Stages Multidisciplinary High amplitude Ecology musculoskeletal neural and ocular physiology Eye movement Electroencephalography Biology Biological Sciences Sleep in non-human animals Evolutionary biology mental disorders Animals Finches psychological phenomena and processes Slow-wave sleep |
| Popis: | A suite of complex electroencephalographic patterns of sleep occurs in mammals. In sleeping zebra finches, we observed slow wave sleep (SWS), rapid eye movement (REM) sleep, an intermediate sleep (IS) stage commonly occurring in, but not limited to, transitions between other stages, and high amplitude transients reminiscent of K-complexes. SWS density decreased whereas REM density increased throughout the night, with late-night characterized by substantially more REM than SWS, and relatively long bouts of REM. Birds share many features of sleep in common with mammals, but this collective suite of characteristics had not been known in any one species outside of mammals. We hypothesize that shared, ancestral characteristics of sleep in amniotes evolved under selective pressures common to songbirds and mammals, resulting in convergent characteristics of sleep. |
| Databáze: | OpenAIRE |
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