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| Titel: |
Mirror imaging phase response curves obtained for the circadian rhythm of a bat with single steps of light and darkness |
| Auteur: |
Subbaraj, R. Chandrashekaran, M. K. |
| Verschenen in: |
Biological rhythm research |
| Paginering: | Jaargang 12 (1981) nr. 4 pagina's 305-312 |
| Jaar: |
1981-12 |
| Inhoud: |
The circadian rhythm in the flight activity of a tropical microchiropteran bat Taphozous melanopogon responds at all phases with delay phase shifts to single light-on steps (DD/LL transfers). The circadian rhythm responds at all phases with advance phase shifts to single light-off steps (LL/DD transfers). Phase shifts were measured from the delays or advances of the onsets of flight activity on days following DD/LL and LL/DD transfers relative to the temporal course of the onsets of activity in controls. The magnitude of the phase shifts was a function of the phases in which the transfers were made. The On-PRC and Off-PRC plotted from such data are mirror-images in their time-course and wave-form. The phase shifts of the circadian rhythm in either direction were accompanied by changes in period (for the duration of our recordings after die transfer). The period lengthened following a delay shift and it shortened following an advance shift. The phase shifts are abrupt and discernible in the first cycle after perturbation. There are no transients. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 5 van 8 gevonden artikelen
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