Seasonal variations in circadian rhythms coincide with a phase of sensitivity to short photoperiods in the European hamster

A functional analysis of circadian pacemakers in nocturnal rodents

Colin S. Pittendrigh, Serge Daan · Journal of Comparative Physiology A · 1976 · 2.1K citations · Full text

Sleep, Alertness, Neurophysiology +12

A functional analysis of circadian pacemakers in nocturnal rodents

Colin S. Pittendrigh, Serge Daan · Journal of Comparative Physiology A · 1976 · 1.6K citations

Sleep, Alertness, Neurophysiology +12

The Entrainment of Circadian Oscillations by Light and Their Role as Photoperiodic Clocks

Colin S. Pittendrigh, Dorothea H. Minis · The American Naturalist · 1964 · 746 citations

Biology, Circadian Oscillations, Light Regulation +14

Biological Rhythms and Their Central Mechanism

M Suda, O Hayaishi, H. Nakagawa · The Annual of Animal Psychology · 1979 · 385 citations · Full text

Alertness, Neurophysiology, Medicine +10

Assembling a Clock for All Seasons: Are There M and E Oscillators in the Genes?

Serge Daan, Urs Albrecht, Gijsbertus T. J. van der Horst et al. · Journal of Biological Rhythms · 2001 · 204 citations · Full text

Genetics, Homeostatic Mechanism, Cryptochrome +26