PSYC 1020H Chapter Notes - Chapter 6: Taste Receptor, Subjective Constancy, Hot Chocolate

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Sensation: the detection of physical energy emitted or reflected by physical objects. Cells doing the detecting are located in the sense organs (eyes, ears, tongue, nose, skin), and these sensory processes produce immediate awareness of sound, colour, form, and other building blocks of consciousness. Perception: a set of mental operations that organizes sensory impulses into meaningful patterns. Helps make sense of the world impinging on our senses. Sensation and perception are the foundation of learning, thinking, and acting. Sensations starts with the sense receptors: cells located in the sense organs that convert physical energy in the environment or body into electrical energy. Upon detecting a stimulus (such as light), the sense receptors covert the stimulus energy into electrical impulses that travel along the brain and transmit what they learn to the sensory neurons (field officers) in the peripheral nervous system. The sensory nerves all use neural impulses to communicate.

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