Haptic perception of object curvature in Parkinson's disease.
Identifieur interne : 001419 ( PubMed/Corpus ); précédent : 001418; suivant : 001420Haptic perception of object curvature in Parkinson's disease.
Auteurs : Jürgen Konczak ; Kuan-Yi Li ; Paul J. Tuite ; Howard PoiznerSource :
- PloS one [ 1932-6203 ] ; 2008.
English descriptors
- KwdEn :
- MESH :
- physiology : Movement, Orientation, Psychomotor Performance, Space Perception.
- physiopathology : Parkinson Disease.
- Aged, Cues, Female, Hand, Humans, Male, Middle Aged.
Abstract
The haptic perception of the curvature of an object is essential for adequate object manipulation and critical for our guidance of actions. This study investigated how the ability to perceive the curvature of an object is altered by Parkinson's disease (PD).
DOI: 10.1371/journal.pone.0002625
PubMed: 18612466
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pubmed:18612466Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Haptic perception of object curvature in Parkinson's disease.</title><author><name sortKey="Konczak, Jurgen" sort="Konczak, Jurgen" uniqKey="Konczak J" first="Jürgen" last="Konczak">Jürgen Konczak</name><affiliation><nlm:affiliation>Human Sensorimotor Control Laboratory, University of Minnesota, Minneapolis, Minnesota, United States of America. jkonczak@umn.edu</nlm:affiliation></affiliation></author><author><name sortKey="Li, Kuan Yi" sort="Li, Kuan Yi" uniqKey="Li K" first="Kuan-Yi" last="Li">Kuan-Yi Li</name></author><author><name sortKey="Tuite, Paul J" sort="Tuite, Paul J" uniqKey="Tuite P" first="Paul J" last="Tuite">Paul J. Tuite</name></author><author><name sortKey="Poizner, Howard" sort="Poizner, Howard" uniqKey="Poizner H" first="Howard" last="Poizner">Howard Poizner</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2008">2008</date><idno type="doi">10.1371/journal.pone.0002625</idno><idno type="RBID">pubmed:18612466</idno><idno type="pmid">18612466</idno><idno type="wicri:Area/PubMed/Corpus">001419</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Haptic perception of object curvature in Parkinson's disease.</title><author><name sortKey="Konczak, Jurgen" sort="Konczak, Jurgen" uniqKey="Konczak J" first="Jürgen" last="Konczak">Jürgen Konczak</name><affiliation><nlm:affiliation>Human Sensorimotor Control Laboratory, University of Minnesota, Minneapolis, Minnesota, United States of America. jkonczak@umn.edu</nlm:affiliation></affiliation></author><author><name sortKey="Li, Kuan Yi" sort="Li, Kuan Yi" uniqKey="Li K" first="Kuan-Yi" last="Li">Kuan-Yi Li</name></author><author><name sortKey="Tuite, Paul J" sort="Tuite, Paul J" uniqKey="Tuite P" first="Paul J" last="Tuite">Paul J. Tuite</name></author><author><name sortKey="Poizner, Howard" sort="Poizner, Howard" uniqKey="Poizner H" first="Howard" last="Poizner">Howard Poizner</name></author></analytic><series><title level="j">PloS one</title><idno type="eISSN">1932-6203</idno><imprint><date when="2008" type="published">2008</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Cues</term><term>Female</term><term>Hand</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Movement (physiology)</term><term>Orientation (physiology)</term><term>Parkinson Disease (physiopathology)</term><term>Psychomotor Performance (physiology)</term><term>Space Perception (physiology)</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Movement</term><term>Orientation</term><term>Psychomotor Performance</term><term>Space Perception</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Parkinson Disease</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Cues</term><term>Female</term><term>Hand</term><term>Humans</term><term>Male</term><term>Middle Aged</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The haptic perception of the curvature of an object is essential for adequate object manipulation and critical for our guidance of actions. This study investigated how the ability to perceive the curvature of an object is altered by Parkinson's disease (PD).</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">18612466</PMID><DateCreated><Year>2008</Year><Month>07</Month><Day>09</Day></DateCreated><DateCompleted><Year>2008</Year><Month>10</Month><Day>21</Day></DateCompleted><DateRevised><Year>2014</Year><Month>09</Month><Day>20</Day></DateRevised><Article PubModel="Electronic"><Journal><ISSN IssnType="Electronic">1932-6203</ISSN><JournalIssue CitedMedium="Internet"><Volume>3</Volume><Issue>7</Issue><PubDate><Year>2008</Year></PubDate></JournalIssue><Title>PloS one</Title><ISOAbbreviation>PLoS ONE</ISOAbbreviation></Journal><ArticleTitle>Haptic perception of object curvature in Parkinson's disease.</ArticleTitle><Pagination><MedlinePgn>e2625</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1371/journal.pone.0002625</ELocationID><Abstract><AbstractText Label="BACKGROUND" NlmCategory="BACKGROUND">The haptic perception of the curvature of an object is essential for adequate object manipulation and critical for our guidance of actions. This study investigated how the ability to perceive the curvature of an object is altered by Parkinson's disease (PD).</AbstractText><AbstractText Label="METHODOLOGY/PRINCIPAL FINDINGS" NlmCategory="RESULTS">Eight healthy subjects and 11 patients with mild to moderate PD had to judge, without vision, the curvature of a virtual "box" created by a robotic manipulandum. Their hands were either moved passively along a defined curved path or they actively explored the curved curvature of a virtual wall. The curvature was either concave or convex (bulging to the left or right) and was judged in two locations of the hand workspace--a left workspace location, where the curved hand path was associated with curved shoulder and elbow joint paths, and a right workspace location in which these joint paths were nearly linear. After exploring the curvature of the virtual object, subjects had to judge whether the curvature was concave or convex. Based on these data, thresholds for curvature sensitivity were established. The main findings of the study are: First, 9 out 11 PD patients (82%) showed elevated thresholds for detecting convex curvatures in at least one test condition. The respective median threshold for the PD group was increased by 343% when compared to the control group. Second, when distal hand paths became less associated with proximal joint paths (right workspace), haptic acuity was reduced substantially in both groups. Third, sensitivity to hand trajectory curvature was not improved during active exploration in either group.</AbstractText><AbstractText Label="CONCLUSION/SIGNIFICANCE" NlmCategory="CONCLUSIONS">Our data demonstrate that PD is associated with a decreased acuity of the haptic sense, which may occur already at an early stage of the disease.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Konczak</LastName><ForeName>Jürgen</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Human Sensorimotor Control Laboratory, University of Minnesota, Minneapolis, Minnesota, United States of America. jkonczak@umn.edu</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Kuan-Yi</ForeName><Initials>KY</Initials></Author><Author ValidYN="Y"><LastName>Tuite</LastName><ForeName>Paul J</ForeName><Initials>PJ</Initials></Author><Author ValidYN="Y"><LastName>Poizner</LastName><ForeName>Howard</ForeName><Initials>H</Initials></Author></AuthorList><Language>eng</Language><GrantList CompleteYN="Y"><Grant><GrantID>2 R01 NS 36449</GrantID><Acronym>NS</Acronym><Agency>NINDS NIH HHS</Agency><Country>United States</Country></Grant><Grant><GrantID>R01 NS036449</GrantID><Acronym>NS</Acronym><Agency>NINDS NIH HHS</Agency><Country>United States</Country></Grant><Grant><GrantID>R01 NS036449-09A2</GrantID><Acronym>NS</Acronym><Agency>NINDS NIH HHS</Agency><Country>United States</Country></Grant></GrantList><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D052061">Research Support, N.I.H., Extramural</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2008</Year><Month>07</Month><Day>09</Day></ArticleDate></Article><MedlineJournalInfo><Country>United 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