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    이 위키는 메일 처리를 할 수 없도록 되어 있습니다. 위키 관리자에게 연락하여 메일을 쓸 수 있도록 요청하세요.
    • Class
    • Neuroscience
    • Touch

    Touch

    차례

    1. 능동촉각/수동촉각
    2. Cutaneous Mechanoreceptors
      1. Rapid / Slow Adaptation
      2. Receptor Fields
      3. Two Point Discrimination
    3. 중추촉각계
      1. Primary Somatosensory Cortex
      2. Secondary Somatosensory Cortex
    4. 체감각영역의 손상

    능동촉각/수동촉각

    Neurological tests for passive touch

    • Detection threshold
    • Vibration sense
    • Two-point or texture Discrimination
    • Stereognosis

    Cutaneous Mechanoreceptors

    https://upload.wikimedia.org/wikipedia/commons/thumb/b/be/Blausen_0809_Skin_TactileReceptors.png/768px-Blausen_0809_Skin_TactileReceptors.png

    Rapid / Slow Adaptation

    http://humanphysiology.academy/Neurosciences 2015/Images/2/Adaptation Sensory acbrown.JPG

    좁은 수용야

    넓은 수용야

    기능

    Rapidly Adapting

    Meissner

    Pacini

    Motion, Vibration

    Slowly Adapting

    Merkel

    Ruffini

    Pressure

    Receptor Fields

    https://s3-us-west-2.amazonaws.com/courses-images-archive-read-only/wp-content/uploads/sites/167/2014/11/20063209/Nerv_12.jpg http://neuroclusterbrain.com/img/neuron/on_off_receptive_fields_005.jpg

    Two Point Discrimination

    https://ssl.cdn.ncmedical.com/items/fullsize/2009_05_13_14_18_43__14_NC12776_LG.jpg

    https://www.researchgate.net/profile/Armando_Bauleo/publication/262197325/figure/fig5/AS:202812593053710@1425365698719/Comparison-of-2-point-discrimination-2PD-for-touch-as-measured-by-Weinstein-2-by.png

    중추촉각계

    Primary Somatosensory Cortex

    • https://www.csuchico.edu/~pmccaffrey/syllabi/CMSD 320/images/Brod2.JPG

    https://youtu.be/8hDoO0wcq8Q

    width=700

    Sensory Homunculus

    https://upload.wikimedia.org/wikipedia/commons/thumb/c/c4/1421_Sensory_Homunculus.jpg/1028px-1421_Sensory_Homunculus.jpg https://images-na.ssl-images-amazon.com/images/I/41dSfJZWMzL.jpg

    Secondary Somatosensory Cortex

    https://www.getbodysmart.com/wp-content/uploads/2017/09/Secondary-Other-Somatosenory-Cortex-Areas-695x550.png

    체감각영역의 손상

    손상 부위에 따라 다른 양상이 나타남 (예시)

    손상부위

    단순 촉각테스트

    복잡 촉각 업무

    Anterior Parietal Cortex

    어려움

    어려움

    Posterier Parietal Cortex

    가능함

    어려움
    (tactile apraxia or useless hand syndrome)

    /Pain   /SensorySystem   /Touch  
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