Can distorted body image be contributing to symptoms? Moseley GL, Parsons TJ, Spence C. Visual distortion of a limb modulates the pain and swelling evoked by movement. Curr Biol. 2008;18:R1047-R1048

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Could distorted body
image be contributing
to symptoms?

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Design
10 patients with CRPS of one hand
Random allocation
Control Clear Magnified Minified

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Moseley, Parsons & Spence 2008 Current Biology 18, 1047-8

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Control
40
Change in
pain
(100 mm
VAS)
M R
0
0 10 20
Trial time (minutes)

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Copyright GL Moseley 2009
Control Clear
40
Change in
pain
(100 mm
VAS)
M R
0
0 10 20
Trial time (minutes)

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Copyright GL Moseley 2009
Control Clear Magnified
40
Change in
pain
(100 mm
VAS)
M R
0
0 10 20
Trial time (minutes)

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Copyright GL Moseley 2009
Control Clear Magnified Minified
40
Change in
pain
(100 mm
VAS)
M R
0
0 10 20
Trial time (minutes)
Moseley, Parsons & Spence 2008 Current Biology 18; 1047-8

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A Copyright GL Moseley 2009
100 * ** 1.2
B
*
Peak pain Post-task Mag.
(100 mm swelling *
*
VAS) (aff/unaff) Clear
Ctrl
0 Ctrl Clear Mag. 0.8 0 20
Recovery time (minutes)
Control Clear Magnified
Moseley, Parsons & Spence 2008 Current Biology 18, 1047-8

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A Copyright GL Moseley 2009
B
100 * 1.2 Min. *
*
Peak pain * Post- Mag.
(100 mm task *
VAS) swelling Clear
(aff/unaff)
Ctrl
0 Ctrl Clear Mag. Min. 0.8 0 20
Recovery time (minutes)
Control Clear Magnified Minified
Moseley, Parsons & Spence 2008 Current Biology 18; 1047-8