MCELLBI C64 Lecture Notes - Lecture 1: Nociception, Referred Pain, Tonotopy
22 Dec 2016
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Large range of physical stimuli and we detect a small part of it. Action potentials are interpreted to us to see for example, perception of red. This depends on wiring of brain (for example, some people can detect certain intensities sounds better than others) Sensory system is limit in range of stimulus we can respond to. Human sensory system can respond to extraordinary range of stimulus. Don"t need conscious perception to use sensory stimuli emotional state, etc (cid:523)don"t feel your clothes while you walk) Chemoreceptors: receptors that are activated when they detect a ligand: can see when it is really bright outside and when the room is poorly lite. Receptors for electromagnetic signals: aka light: in our eyes, receptors that get activated when light shines on them, light transfers energy to the receptor and receptor uses it to change shape and activate a g-protein.
