Chapter 1 Origins: A Brief Account of the Ancestry of Circadian Biology

Chapter 2 Interpreting Circadian Rhythms

Chapter 3 Basic Principles Underlying Biological Oscillations and Their Entrainment

Chapter 4 Circadian Waveform and Its Significance for Clock Organization and Plasticity

Chapter 5 On the Origin and Implications of Circadian Timekeeping: An Evolutionary Perspective

Chapter 6 The Drosophila Clock System

Chapter 7 The Fish Circadian Timing System: The Illuminating Case of Light-Responsive Peripheral Clocks

Chapter 8 Molecular Genetic and Genomic Analyses of Zebrafish Circadian Rhythmicity

Chapter 9 The Amphibian Clock System

Chapter 10 The Reptilian Clock System: Circadian Clock, Extraretinal Photoreception, and Clock-Dependent Celestial Compass Orientation Mechanisms in Reptiles

Chapter 11 Avian Circadian Organization

Chapter 12 The Mammalian Neural Circadian System: From Molecules to Behaviour

Chapter 13 Circadian Rhythms Versus Daily Patterns in Human Physiology and Behavior

Chapter 14 Light Resetting and Entrainment of Human Circadian Rhythms

Chapter 15 Delayed Sleep Phase Disorder: Mechanisms and Treatment Approaches

Chapter 16 Interaction Between Central and Peripheral Clocks in Mammals

Chapter 17 Circadian Photoentrainment Mechanism in Mammals

Chapter 18 Mechanisms of Non-photic Entrainment

Chapter 19 Temperature Input for Rhythmic Behaviours in Flies: The Role of Temperature-Sensitive Ion Channels

Chapter 20 Circadian Clocks, Metabolism, and Food-Entrained Rhythms

Chapter 21 Circadian Regulation of Metabolism in Health and Diseases

Chapter 22 Circadian Clocks and Immune Functions

Chapter 23 Clock Genes and Cancer

Chapter 24 The Timezyme and Melatonin: Essential Elements of Vertebrate Timekeeping

Chapter 25 Pineal Gland, Melatonin, and Timekeeping in Nonmammalian Vertebrates: Avian Perspective

Chapter 26 Circannual Rhythms Anticipate the Earth’s Annual Periodicity

Chapter 27 Seasonal Changes in Brain and Behavior

Chapter 28 Molecular Mechanism Regulating Seasonality

Chapter 30 Insights into the Regulation of Spring Migration in Songbirds

Chapter 31 Orientation in Migrating Animals: Role of Biological Clocks