PSY100H1 Chapter 5: Chapter 5 Summarizing This is mostly what you need to know about the chapter and they are the most important things in the chapter.

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16 Oct 2011
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PSY100H1 Full Course Notes
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PSY100H1 Full Course Notes
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Summarizing the principles of sensation, perception, and attention. Our sensory systems are tuned to adapt to constant level of stimulation and detect changes in our environment. What are the basic sensory processes: in gestation, taste buds are chemical detectors: the gustatory sense uses taste buds to respond to the chemical substances producing basic sensation of sweet, sour, salty, and bitter. The amount and concentration of taste buds vary individually: in smell, the nasal cavity gathers particles of odour: receptors in the olfactory epithelium respond to chemicals and send signals to the olfactory bulb in the brain. Neural gates in the spinal cord also control pain: in hearing, the ear is a sound-wave detector: the size and shape of sound wave activate hair cell in the inner ear. The receptors respond depending on frequency of the sound wave, timing, and the location of the activated receptors.