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| OCAMPO-GARCÉS,ADRIÁN; MENA,WILSON; HERNÁNDEZ,FELIPE; CORTÉS,NELSON; PALACIOS,ADRIÁN G. |
| Rest activity pattern was studied in wild-captured males of Octodon degus (n=9), Octodon bridgesi (n=3), and Spalacopus cyanus (n=6) (Rodentia: Octodontidae). Ten-minute resolution actograms were constructed from data obtained by an automated acquisition system. After two months of habituation to a stable light-dark schedule, recordings were performed in isolation chambers under a 12: 12 Light Dark schedule. A free-running period (constant darkness) was recorded for O. bridgesi and S. cyanus. O. degus displayed a crepuscular pattern of rest activity rhythm. Entrained O. bridgesi and S. cyanus displayed nocturnal preference, with rest anticipating light phase and without crepuscular activity bouts. Under constant darkness, active phase occurred at... |
| Tipo: Journal article |
Palavras-chave: Circadian rhythms; Chronotype; Octodon; Octodontids; Spalacopus cyanus. |
| Ano: 2006 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602006000200003 |
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