PSYC 212 Study Guide - Final Guide: Google Images, Piriform Cortex, Ventral Posteromedial Nucleus

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18 Jan 2017
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Sensation: the closest we get to the physical reality; the original imprint of the physical world. We need: intensity: how strong the stimulus is, location: where the stimulus is located, time: when the stimulus occurred, duration: how long the stimulus lasted, content: what the stimulus contained. Waves: most stimulus contents are best described as waves. Even patterns of stimuli (e. g. images of patterns on our retina) can be described as waves. We can describe any texture (visual or somatosensory) as 2-d spatial frequency patterns. Combined with changes in time, complex stimuli can be described as 3-d waves. Natural stimulation by visual, auditory, or somatosensory are effectively 3-d (space and time) stimuli. Simple properties of waves to keep in mind: >how often the wave peaks per unit of time or space. > a) because of the space covering these lines: a has more lines covering that space.

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