PSYB51H3 Chapter Notes - Chapter 13: Nerve, Axon, Sensory Neuron

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Pain serves as a sophisticated warning system that tells us when something might be internally wrong or when an external stimulus might be dangerous, enabling us to defend our bodies as quickly as possible. The human sense of touch is mostly housed in the largest and heaviest of the sense organs . The skin: touch receptors are embedded all over the body, in both hairless and hairy skin, they"re also found within our mouths and our muscles, tendons, and joints. Processing subsystems that each contribute to the overall sense of touch. Each type of receptor can be characterized by three attributes: type of stimulation to which the receptor responds, size of the receptive field. Receptors are activated when stimulation is applied to a particular area of the body, which constitutes the receptors" receptive field: rate of adaptation (fast vs. slow)

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