lifespan notes 3

lifespan notes 3 - Model 11- chapter 8 Perceptual motor...

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Model 11- chapter 8 Perceptual motor development Sensory systems Key terms Sensation- stimulation of sensory receptor (electrical) a neural transmission of info Perception Apply meaning to info received Sensory integration Integrate both old and new info and from multiple sources Sources of sensory input? Exteroceptive = via environment Vision Audition Tactile systems Interoceptive or proprioceptive: within body: Vestibular Somato-sensory Indicate body position and info about motion itself Vision and spatial location Distorted body parts on persons left. Left side is being neglected Visual neglect syndrome (neglect one side; clock and person drawing) Damage to right side parietal damage…neglect to left (does not perceive)
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Visual perception critical to movement Depth perception Requires visual activity Binocular vision As early as 9 moths infants gain perception Figure ground separation Object focus and separation from background Sports with eye hand coordination Appears 4-6 years old mature 8-11 years Auditory perception Hearing of low frequency sounds develops first For infants check use low pitched voices For elderly check use low pitched voices also Elderly first lose hearing of high pitched sounds Somato sensory system Face and mouth over represented due to extra nerves Skin is the biggest sensory organ Sensory (develops earlier) vs. motor systems Somatosensation Interoceptive…propriocption Muscle spindles – detect rate and amount of muscle stretch Golgi tendon organs – detect tendon load Joint receptors – detect joint position (joint angle) Nerve endings – (ruffini) tactile info
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This note was uploaded on 07/17/2011 for the course ESS 3314 taught by Professor Roncesvalles during the Spring '08 term at Texas Tech.

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lifespan notes 3 - Model 11- chapter 8 Perceptual motor...

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