Abstract:
PURPOSE:A realistic body representation needs to be constantly updated. In case of physiological modifications, body representations integrate information coming from different sensory sources, including the sense of touch. Previous studies described transient modifications of these representations following illusory distortions. In this single case study, we documented the changes occurred in lower-level, primary somatosensory, and higher-level representations, in a case of upper arms elongation. METHOD:We explored effects of arm lengthening on primary tactile perception (sensitivity and acuity), an implicit perceptual measure of body size (tactile distance judgement), body image (Daurat-Hmelijak test), and peri-personal space representation (audio-tactile interaction task). RESULTS:We show that patient's arm representation was changed after surgery. Specifically, we observed significant changes on tactile distance judgments, body image test and audio-tactile interaction task; also even though no changes were found on primary tactile perception a significant modification emerged in tactile acuity. CONCLUSIONS:These findings are in line with evidence of cortical reorganization after arm elongation. They also support the view that the body representation of achondroplasics are modified after body-size reconstruction, and became similar to that of healthy controls.
journal_name
Restor Neurol Neuroscijournal_title
Restorative neurology and neuroscienceauthors
Cimmino RL,Spitoni G,Serino A,Antonucci G,Catagni M,Camagni M,Haggard P,Pizzamiglio Ldoi
10.3233/RNN-120286subject
Has Abstractpub_date
2013-01-01 00:00:00pages
287-98issue
3eissn
0922-6028issn
1878-3627pii
51W701102171R155journal_volume
31pub_type
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journal_title:Restorative neurology and neuroscience
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journal_title:Restorative neurology and neuroscience
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journal_title:Restorative neurology and neuroscience
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journal_title:Restorative neurology and neuroscience
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pub_type: 杂志文章,随机对照试验
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pub_type: 杂志文章
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journal_title:Restorative neurology and neuroscience
pub_type: 杂志文章
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journal_title:Restorative neurology and neuroscience
pub_type: 杂志文章
doi:
更新日期:2007-01-01 00:00:00