#acl +All:read
#format wiki
#language ko
#pragma description 촉각;

= Touch =

<<TableOfContents(3)>>

== 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||width=600}}

=== Rapid / Slow Adaptation ===
{{http://humanphysiology.academy/Neurosciences%202015/Images/2/Adaptation%20Sensory%20acbrown.JPG||width=400}}
|| || 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||width=400}}
{{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%20320/images/Brod2.JPG}}

[[https://youtu.be/8hDoO0wcq8Q|{{https://image.slidesharecdn.com/brodmannsareas312-160425150844/95/brodmanns-areas-3-1-2-8-638.jpg?cb=1461597465}}]]

{{http://rstb.royalsocietypublishing.org/content/royptb/370/1677/20140209/F2.large.jpg?width=800&height=600&carousel=1|width=700}}

==== Sensory Homunculus ====
{{https://upload.wikimedia.org/wikipedia/commons/thumb/c/c4/1421_Sensory_Homunculus.jpg/1028px-1421_Sensory_Homunculus.jpg||height=380}}
{{https://images-na.ssl-images-amazon.com/images/I/41dSfJZWMzL.jpg||height=380}}

=== 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<<BR>>(tactile apraxia or useless hand syndrome) ||

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