Psychology Sensationa and Perception PDF

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Psychology In Class Lecture October 10, 2018 Sensation and Perception Light and sound waves:  Saturation  Wavelength  Amplitude  Complexity Lower pitch – greater spread Higher pitch – smaller spread Radiowaves – microwaves X rays – Gamma Frontal Lobe – SPEECH Threshold – brain decides whats important and what is not Absolute threshold just noticeable difference Signal detection theory // know when brain says it is ijportant Sensory adaptation // adapt to new smells/ cold/ heat Eye// blind spot (dead spot) Peripheral – you can’t see color from peripheral Your brain fills holes of what you think you see Dorsal – from above Ventral – from below GESTALT  Closure  Proximity  Continuation  Similarity  Figure&round Simplicity – common fate you can see where it should go so your mind creates the motion. Monocular depth cues: Linear perspectice – path in distance Texture gradient – less tecture further away Interposition Relative height – smaller people further away Binocular Disparity Perceiving Motion EAR – ossicle // outer middle inner. Hearing damage never reparis.

Aging loses high frequencies Only have low frequencies Haptic perception:  Pain  Fate control theory: brain doesn’t register the pain  Two way street  Referred pain // pain somewhere different from where injury is  Vestibular system Smell and taste hormones Taste bucks 5.000-10.000 50-100 receptors in the tastebuds themselves...