Biological Rhythms 0.0 / 5 ? PsychologyBiopsychologyA2/A-levelAQA Created by: ellenwest99Created on: 15-11-16 16:24 Cyclical changes in the way biological systems behave Biological Rhythm 1 of 20 Cycle that lasts for 24 hours Circadian 2 of 20 Circadian rhythms are set and reset by: Light 3 of 20 Example of circadian rhythm Sleep wake cycle 4 of 20 Master circadian pacemaker Suprachiasmatic nuclei 5 of 20 Process that sets the body clock Photoentrainment 6 of 20 internal circadian 'clock' described as free running 7 of 20 Hormone released from pineal gland that encourages feelings of sleep Melatonin 8 of 20 Example of study into circadian rhythms Man in the cave 9 of 20 Strength of circadian rhythms Application of pharmacokinetics 10 of 20 Weakness of circadian rhythms Poor control in studies 11 of 20 Cycle lasts for less than 24 hours Ultradian 12 of 20 Example of ultradian rhythms BRAC 13 of 20 Psychologists associated with BRAC Kleitman 14 of 20 Cycle that lasts longer than 24 hours Infradian 15 of 20 Example of a monthly infradian rhythm Menstrual cycle 16 of 20 Example of a yearly infradian rhythm SAD 17 of 20 Strength of Ultradian rhythms Violinists 18 of 20 Strength of Infradian rhythms mate choices 19 of 20 Weakness of Infradian rhythms Lunar rhythms 20 of 20
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