Biological Rhythms Flashcards 0.0 / 5 ? PsychologyExogenous & Endogenous PacemakersA2/A-levelAQA Created by: ClaireCreated on: 16-10-13 21:06 Definition of Endogenous Pacemaker? Control of the rhythm is exerted from within 1 of 6 Definition of Exogenous Zeitgebers? Control of the rhythm is exerted from outside 2 of 6 Two examples of Endogenous Pacemakers? The Pineal Gland and Melatonin & SCN 3 of 6 Evaluative Points of Endogenous Pacemakers? Role of SCN - Demonstrated in Animal Studies - Morgan - Mutant Hamsters 4 of 6 Two examples of Exogenous Zeitgebers? Light (Campbell and Murphy) & Temperature (Lopez-Olmeda) 5 of 6 Evaluative Points of Exogenous Pacemakers? Dim Lighting - Negative Consequences (Stevens) Exposure to Lighting Disrupts Circadian Rhythm 6 of 6
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