NROC64H3 Lecture Notes - Tas1R2, Nasal Cavity, Mucus
17 Mar 2012
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Document Summary
Knowledge of the brain resembles earlier european"s knowledge of africa. Sensory transduction and sensory physiology for each of the sensory systems, and models of sensory processing; spinal and central mechanisms of motor control. Sensory and motor systems sensorimotor systems. Sensorimotor integration expeditions into the unchartered brain. 1 output path of 100 billion neurons i. e. 60,000 oculomotor neurons. Simple minds: having a simple brain, studying simple brains, studying subsystems of complex brains. The great end of life is not knowledge but action t. h huxeley. Animals depend on chemical senses to identify nourishment. Chemical sensation: oldest and most common sensory system. Chemical sense: gustation, olfaction, chemoreceptors (skin, digestive system, neck arteries, hormones, muscles etc) Bitter ions like k+ and mg+, quinine, caffeine. Set of receptors for poisonous substance lumped together and though. Steps to distinguish the countless unique flavours of food. Organs of taste: tongue, palate, pharynx, epiglottis. Papillae: foliate, vallate and fungiform, 100"s of them. Apical ends microvilli taste pore.
