PSY100H1 Lecture 8: Perception
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Psy 100 - lecture 8 - brain and its strutures. Perception to post: sensation: how sense organs respond to and detect external stimulus energy and how reponses are transmitted to the brains. a. In other words, it is the ability of body to pick up the world around you and transmitting it to the brain: perception: brain"s further processing of detected signals and results in an internal representation. a. Processing of visual information occurs in a series of steps, from initial coarse processing of relatively basic features to more complex processing. Example: you would first recognize that it was a human and it would process that it was your friend. Hubel & wiesel: examined the firing rate of single cells in the primary visual cortex. Many were specialised to respond to particular features primitives . Two controlled packs of kittens: the horizontal group and the vertical group. Vertical group was raised in a world consisting entirely of vertical lines.