ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] After a change in the light regime from LD 12 :12 (50 lux) to DD, with light off at the normal time, the period of the first cycle in DD is about 24 h (mean?24.1 h, s.d.=0.6 h, n=42). The rhythm then seems to free-run with a period of between 22.5 and 23 h. When the final light period is prolonged ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/245384a0