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  2. Biorhythm (pseudoscience) - Wikipedia

    en.wikipedia.org/wiki/Biorhythm_(pseudoscience)

    Theories published state the equations for the cycles as: physical: ⁡ (/), emotional: ⁡ (/), intellectual: ⁡ (/), where indicates the number of days since birth. Basic arithmetic shows that the combination of the simpler 23- and 28-day cycles repeats every 644 days (or 1 3 ⁄ 4 years), while the triple combination of 23-, 28-, and 33-day cycles repeats every 21,252 days (or 58.18+ years).

  3. Phase response curve - Wikipedia

    en.wikipedia.org/wiki/Phase_response_curve

    A phase response curve (PRC) illustrates the transient change (phase response) in the cycle period of an oscillation induced by a perturbation as a function of the phase at which it is received. PRCs are used in various fields; examples of biological oscillations are the heartbeat, circadian rhythms , and the regular, repetitive firing observed ...

  4. Transtheoretical model - Wikipedia

    en.wikipedia.org/wiki/Transtheoretical_model

    The transtheoretical model is also known by the abbreviation "TTM" [2] and sometimes by the term "stages of change", [3] although this latter term is a synecdoche since the stages of change are only one part of the model along with processes of change, levels of change, etc. [1] [4] Several self-help books—Changing for Good (1994), [5 ...

  5. Behavioural change theories - Wikipedia

    en.wikipedia.org/wiki/Behavioural_change_theories

    Each behavioural change theory or model focuses on different factors in attempting to explain behaviour change. Of the many that exist, the most prevalent are learning theories, social cognitive theory, theories of reasoned action and planned behaviour, transtheoretical model of behavior change, the health action process approach, and the BJ Fogg model of behavior change.

  6. Entrainment (chronobiology) - Wikipedia

    en.wikipedia.org/wiki/Entrainment_(chronobiology)

    In the study of chronobiology, entrainment refers to the synchronization of a biological clock to an environmental cycle. An example is the interaction between circadian rhythms and environmental cues, such as light and temperature. Entrainment helps organisms adapt their bodily processes according to the timing of a changing environment. [1]

  7. A Cycle of Change... - AOL

    www.aol.com/news/2009-06-26-a-cycle-of-change.html

    Logging into Guild Wars for the weekly guild night this Tuesday saw a bit of an unwelcome surprise; the personal fallout of the latest in a very long line of skill balancing patches. As a Mesmer ...

  8. Ovulatory shift hypothesis - Wikipedia

    en.wikipedia.org/wiki/Ovulatory_shift_hypothesis

    Two meta-analyses published in 2014 reached opposing conclusions on whether the existing evidence was robust enough to support the prediction that women's mate preferences change across the cycle. [ 3 ] [ 4 ] A newer 2018 review does not show women changing the type of men they desire at different times in their fertility cycle.

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!