Toe graphaesthesia as a discriminator of brain impairment: the outstanding feet for neuropsychology.
Identifieur interne : 009496 ( Main/Curation ); précédent : 009495; suivant : 009497Toe graphaesthesia as a discriminator of brain impairment: the outstanding feet for neuropsychology.
Auteurs : P. Richards [Canada] ; M A PersingerSource :
- Perceptual and motor skills [ 0031-5125 ] ; 1992.
English descriptors
- KwdEn :
- Adult, Afferent Pathways (physiopathology), Agnosia (physiopathology), Corpus Callosum (physiopathology), Dominance, Cerebral (physiology), Female, Fingers (innervation), Head Injuries, Closed (physiopathology), Humans, Male, Neurologic Examination, Neuropsychological Tests, Parietal Lobe (physiopathology), Toes (innervation), Touch (physiology).
- MESH :
- innervation : Fingers, Toes.
- physiology : Dominance, Cerebral, Touch.
- physiopathology : Afferent Pathways, Agnosia, Corpus Callosum, Head Injuries, Closed, Parietal Lobe.
- Adult, Female, Humans, Male, Neurologic Examination, Neuropsychological Tests.
Abstract
Because of the vulnerability of the medial surfaces of the cerebral hemispheres to the consequences of shear forces, we hypothesized that quantitative sensori-motor deficits for the feet would be strong indicators of general brain dysfunction. On the basis of the Halstead-Reitan Impairment Index, 28 adults who had received closed head injuries were assigned to perfectly normal, normal, or (mildly to severely) impaired groups. Foot tap and finger tap as well as agnosia and graphaesthesia for the fingers and toes were measured. Deficits in toe graphaesthesia were the most powerful group discriminator. Potential usefulness of haptic/motor, finger/toe comparisons for recording the progress of degenerative diseases, such as AIDS, is also suggested.
DOI: 10.2466/pms.1992.74.3c.1027
PubMed: 1501964
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pubmed:1501964Le document en format XML
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<author><name sortKey="Richards, P" sort="Richards, P" uniqKey="Richards P" first="P" last="Richards">P. Richards</name>
<affiliation wicri:level="1"><nlm:affiliation>Department of Psychology, Laurentian University, Sudbury, Ontario, Canada.</nlm:affiliation>
<country xml:lang="fr">Canada</country>
<wicri:regionArea>Department of Psychology, Laurentian University, Sudbury, Ontario</wicri:regionArea>
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<author><name sortKey="Persinger, M A" sort="Persinger, M A" uniqKey="Persinger M" first="M A" last="Persinger">M A Persinger</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Toe graphaesthesia as a discriminator of brain impairment: the outstanding feet for neuropsychology.</title>
<author><name sortKey="Richards, P" sort="Richards, P" uniqKey="Richards P" first="P" last="Richards">P. Richards</name>
<affiliation wicri:level="1"><nlm:affiliation>Department of Psychology, Laurentian University, Sudbury, Ontario, Canada.</nlm:affiliation>
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<series><title level="j">Perceptual and motor skills</title>
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<imprint><date when="1992" type="published">1992</date>
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<term>Corpus Callosum (physiopathology)</term>
<term>Dominance, Cerebral (physiology)</term>
<term>Female</term>
<term>Fingers (innervation)</term>
<term>Head Injuries, Closed (physiopathology)</term>
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<term>Neurologic Examination</term>
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<term>Toes (innervation)</term>
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<term>Touch</term>
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<keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Afferent Pathways</term>
<term>Agnosia</term>
<term>Corpus Callosum</term>
<term>Head Injuries, Closed</term>
<term>Parietal Lobe</term>
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<keywords scheme="MESH" xml:lang="en"><term>Adult</term>
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<front><div type="abstract" xml:lang="en">Because of the vulnerability of the medial surfaces of the cerebral hemispheres to the consequences of shear forces, we hypothesized that quantitative sensori-motor deficits for the feet would be strong indicators of general brain dysfunction. On the basis of the Halstead-Reitan Impairment Index, 28 adults who had received closed head injuries were assigned to perfectly normal, normal, or (mildly to severely) impaired groups. Foot tap and finger tap as well as agnosia and graphaesthesia for the fingers and toes were measured. Deficits in toe graphaesthesia were the most powerful group discriminator. Potential usefulness of haptic/motor, finger/toe comparisons for recording the progress of degenerative diseases, such as AIDS, is also suggested.</div>
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