Psychology 1000 Chapter Notes - Chapter 3: Psychoneuroimmunology, Radiography, Central Nervous System
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PSYCH 1000 Full Course Notes
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Evolution of central control, peripheral & central (cns) systems. Descartes was first to seriously propose that humans be studied as one would study any machine. His views are still with us today as we employ metaphorical comparisons between the human mind and computers. To descartes all action was as a response to some external event. Stimulation of a sense relay to brain interpretation via the soul relayed to muscle for action. Thus energy is taken in and reflected back out. Note: use of the soul provides a means to account for inconsistency of responses. We agree with descartes that the bulk of human behavior is reflexive. This necessitates a tripartite system: reception via the senses, reaction via the muscles & glands, integration mediator between reception & reaction via conduction. The external event is called the stimulus as it stimulates the receptors (transducing nerves) The receptors convert the energy and channel it to bundles of nerves call.