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Rodriguez-Falces, Javier – Advances in Physiology Education, 2015
A concept of major importance in human electrophysiology studies is the process by which activation of an excitable cell results in a rapid rise and fall of the electrical membrane potential, the so-called action potential. Hodgkin and Huxley proposed a model to explain the ionic mechanisms underlying the formation of action potentials. However,…
Descriptors: Scientific Concepts, Scientific Methodology, Scientific Principles, Biofeedback
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Pingnet, B.; And Others – Physics Education, 1988
Describes two demonstration experiments. Outlines a demonstration of the general principle of positive and negative feedback and the influence of time delays in feedback circuits. Elucidates the principle of negative feedback with a model of the iris of the eye. Emphasizes the importance of feedback in biological systems. (CW)
Descriptors: Behavior, Biofeedback, Biology, Electronic Equipment