Re‐entrainment, phase‐response and range of entrainment of circadian rhythms in Owl Monkeys (Aotus lemurinus g.) of different age
作者： Irene Rappold , Hans G. Erkert
DOI: 10.1080/09291019409360282
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摘要: Abstract To evaluate whether there are age‐related differences in the characteristics of circadian system owl monkeys (Aotus lemurinus griseimembra) experiments analysing resynchronization behaviour, phase response to 3 h‐light pulses (LP), and range entrainment were carried out with 4 young (2–6 years), 5 middle‐aged (10–20 old (>20 years) animals. Following an 8 h‐delay shift entraining light‐dark cycle (LD 12:12; 100/230 lx : 0.2 lx) monkeys’ locomotor activity rhythm re‐entrained significantly faster than after h‐advance shift. While no age‐associated time needed for re‐entrainment (tr) could be detected following delay‐shift, a difference appeared advance‐shift older In second experiment, phase‐shifting effects 100 230 lx, respectively, applied at various phases free‐running constant dim light (LL) lx...
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