Section1-1and2 - Psycho Physics Audition Pitch Loudness Timbre Changes in air pressure Pressure Vibration Mechanical movement Pressure Vibration

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1 Sensation : Perception : Both depend on biological events Detection of some energy in the physical world Interpretation of that sensation Sense Psycho Physics Audition Pitch, Loudness, Timbre Changes in air pressure Touch Pressure, Vibration Mechanical movement, Pressure, Vibration Pain/Temp Pain, hot-cold Chemicals (from injury), rate of atomic motion Gustation Taste Soluble Chemicals Olfaction Smell Volatile Chemicals Vision (shape) Shape Light reFected from objects Vision (color) Color Photon wavelength Convert Physical energy Convert Neural Activity Something the body can interpret: Neural Activity SENSATION PERCEPTION Conscious Impression Two primary modes of neural coding
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2 The role of the brain in perception: Q: When was this said? “Some people say that the heart is the organ with which we think, and that it feels pain and anxiety. But it is not so. Men ought to know that from the brain and from the brain only arise our pleasures, joys, laughter and tears. Through it, in particular, we think, see, hear and distinguish the ugly from the beautiful, the bad from the good, the pleasant from the unpleasant….To consciousness the brain is messenger.” Hippocrates-5th century BCE History : Hippocrates 460-377 The brain is key. Probably from brain damaged patients.
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This note was uploaded on 04/09/2012 for the course EXP 3202 taught by Professor Staff during the Spring '12 term at Florida State College.

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Section1-1and2 - Psycho Physics Audition Pitch Loudness Timbre Changes in air pressure Pressure Vibration Mechanical movement Pressure Vibration

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