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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)
Plethysmography is a method determining changes in volume within an organ or whole body (usually resulting from fluctuations in the amount of blood or air it contains). The isnstrument used are known as plethysmographs.