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Individual differences |
Methods | Statistics | Clinical | Educational | Industrial | Professional items | World psychology |
Biological: Behavioural genetics · Evolutionary psychology · Neuroanatomy · Neurochemistry · Neuroendocrinology · Neuroscience · Psychoneuroimmunology · Physiological Psychology · Psychopharmacology (Index, Outline)
Chronobiology is a field of science that examines periodic (cyclic) phenomena in living organisms and their adaptation to solar and lunar related rhythms. These cycles are known as biological rhythms. "Chrono" pertains to time and "biology" pertains to the study, or science, of life. The related terms chronomics and chronome have been used in some cases to describe either the molecular mechanisms involved in chronobiological phenomena or the more quantitative aspects of chronobiology, particularly where comparison of cycles between organisms is required.
- Biological life cycle
- Chronobiology disorders
- Circadian rhythm a roughly 24 hour cycle
- Circannual rhythm
- Infradian rhythms, which are long-term cycles, such as the annual migration or reproduction cycles found in certain animals or the human menstrual cycle.
- Lunar synodic cycle
- Menstrual cycle
- Neural oscillations
- Alpha wave – (8–12 Hz)
- Beta wave – (12–30 Hz)
- Delta wave – (0.1–4 Hz)
- Gamma wave
- Mu wave – (8–13 Hz)
- Theta wave – (4–7 Hz)
- Seasonal variations
- Sensorimotor rhythm
- Sleep wake cycle
- Superchiasmic nucleus
- Tidal rhythms,
- Ultradian rhythms, which are short cycles, such as the 90-minute REM cycle, the 4-hour nasal cycle, or the 3-hour cycle of growth hormone production. They have periods of less than 24 hours.