HarrisonIntro2010-Sensation

HarrisonIntro2010-Sensation - SENSATION PSYCHOPHYSICS...

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1 SENSATION PSYCHOPHYSICS Recent Nobel Prize in Olfaction Earlier Nobel to Bekesy in Audition Hubel & Wiesel in Vision
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2 GENERAL PROPERTIES OF THE SENSES TRANSDUCTION CONVERSION OF ONE FORM OF ENERGY INTO ANOTHER FORM OF ENERGY OCCURS AT THE RECEPTOR RECEPTOR CONVERTS PHYSICAL ENERGY INTO NEURAL ENERGY
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3 Sensory Receptors Are Transducers Limited Bandwidth or Capacity Audition Headphones 22 kHz Olfaction Formaldehyde Party or Lysol?
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4 ADAPTATION OCCURS AT THE RECEPTOR LEVEL
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5
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6 THRESHOLD ABSOLUTE THRESHOLD THE MINIMUM PHYSICAL ENERGY NECESSARY TO ACTIVATE A GIVEN SENSORY SYSTEM 50% OF THE TIME AFFECTED BY DEPRIVATION, HORMONES, OTHERS COMANCHE HEADS-UP DISPLAY DIFFERENCE THRESHOLD DIFFERENCE BETWEEN 2 STIMULI REQUIRED TO DISTINGUISH ONE FROM THE OTHER
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7 THE METHOD OF LIMITS ASCENDING versus DESCENDING
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8 VISION STIMULUS ELECTROMAGNETIC WAVELENGTH HUMAN RANGE 380 nm (VIOLET) TO 760 nm (RED) R O Y G B I V
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9 THE SPECTRUM OF ELECTROMAGNETIC ENERGY FROM MYERS, 1992
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This note was uploaded on 12/20/2011 for the course PSYC 2004 taught by Professor Dmharris during the Fall '06 term at Virginia Tech.

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HarrisonIntro2010-Sensation - SENSATION PSYCHOPHYSICS...

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