PSY 100: Week 4 class notes
PSY 100: Week 4 class notes PSY 100-01
UW - L
Popular in General Psychology
Popular in Psychology
This 2 page Class Notes was uploaded by Natalie Notetaker on Tuesday October 4, 2016. The Class Notes belongs to PSY 100-01 at University of Wisconsin - La Crosse taught by Staff in Fall 2016. Since its upload, it has received 2 views. For similar materials see General Psychology in Psychology at University of Wisconsin - La Crosse.
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Date Created: 10/04/16
Cutaneous Senses (touch) The skin is filled with receptors for pressure, temperature, and pain. Chemical Senses: Smell Humans have approximately 510 million olfactory cells (analogous to photoreceptors) Chemical Senses: Taste Roughly 1 million taste receptors are contained in 10,000 taste buds distributed on the tongue, inner cheeks, throat, and palates. The Vestibular System Semicircular canals: endolymph filled tubes containing hair cells that bend as endolymph flows by. Otolith organs: fluidfilled sacks containing hair cells that are stimulated by calcium rocks (otoliths) as the head moves. register head tilt and linear acceleration. Motion sickness is caused by a disconnect between signals from the visual system and the vestibular system. The Perceptual Process Our perceptions of the world are constrained by our mind’s interpretation of incoming sensations. Attention is often a necessary component for perceptual processing. Depth & Size Perception The visual system uses multiple cues to identify relative depth and size in the environment, including... Pictoral cues occlusion relative size texture gradients linear perspective Motion parallax: as one moves through the environment, nearer stationary objects move faster than further stationary objects. Perceptual Constancy Lightness constancy: the relative stability of lightness perception under differing illumination intensities. Color constancy: the relative stability of color perception under differing wavelengths. a red shirt appears red under tungsten (yellow) light bulbs, and appears to be the same shade of red in the sunlight (which contains all wavelengths i.e. white). That’s it! Thanks, and have a wonderful semester!
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