FST100bSoundTextureJan7

FST100bSoundTextureJan7 - FST 100B Sound Texture Why do we...

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FST 100B – Sound Texture
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Why do we do it? What do we sense? How do we sense it? How can it be measured?
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Hearing
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Auditory Apparatus Basic Structure of the Human Ear
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Auditory Apparatus Basic Structure of the Inner Ear
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Auditory Apparatus Basic Auditory Processes in Human Ear
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Hair Cells of the Auditory Apparatus Hair Cells transduce physical vibration into electro- stimulation and nerve impulses
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Hearing Cells in Action
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Human Audio Range
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Hearing is interpreted by your Brain Hearing preferences are Personal and Learned!!
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Touch
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Tactile Sensations of Touch Specific Cells transduce heat, cold pain and pressure into electro- stimulation and nerve impulses destined to separate parts of brain
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Tactile Sensations of Touch Pacinian Corpuscles are responsible for Pressure sensation Greater Pressure produces greater frequency of nerve impulses
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Tactile Sensations of Touch Size of Particles on tongue and their perception Remarkable tactile acuity micrometers
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Tactile Sensitivity on the Tongue PhD Thesis ‘A rough guide to texture : oral physiology and texture perception of semi-solids’ Amsterdam school of Dentistry Lina Engelen, Ph.D. PhD Student, Utrecht University
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Tactile Size Discrimination Suspensions of Particles of known sizes are placed on the tongues of volunteers and they score unknowns relative to standards Sensitivity requires tongue movements Large inter-individual variation in mastication and sensitivity to suspension properties
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Food Structure The structure of foods is critical to quality, safety and sensory preference Liquids Gases Crystals Amorphous Solids Foams Gels Emulsions Doughs
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Diet and Macular Degeneration Aging and deterioration of sight Does the consumption of protective nutrients (antioxidants) Allen Taylor, Ph.D. Professor, Tufts University
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Diet and Macular Degeneration Normal Macular Perfect Vision
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Diet and Macular Degeneration Degenerated Macula ImPerfect Vision
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Food Structure Glycemic index: An indicator of the
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FST100bSoundTextureJan7 - FST 100B Sound Texture Why do we...

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