Hemispheric specialization in spontaneous gesticulation in a patient with callosal disconnection
Identifieur interne : 000015 ( Main/Exploration ); précédent : 000014; suivant : 000016Hemispheric specialization in spontaneous gesticulation in a patient with callosal disconnection
Auteurs : Hedda Lausberg [Allemagne] ; Martha Davis [États-Unis] ; Angela Rothenh Usler [Allemagne, États-Unis]Source :
- Neuropsychologia [ 0028-3932 ] ; 2000.
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Abstract
This is an investigation of spontaneous gesticulation in a left-handed patient with a callosal disconnection syndrome due to infarction of the total length of the corpus callosum. After callosal infarction, the patient gesticulated predominantly unilaterally with the left hand despite left apraxia. Bilateral gesticulation occurred later on and was presumably achieved by an increase in ipsilateral proximal control. Movement analysis further indicated that the two hemispheres are specialized for certain gesture types. Gestures with emotional connotation and batons (emphasizing prosody) were generated predominantly in the right hemisphere whereas physiographics which picture the linguistic content concretely and deictics (pointing) were of left-hemispheric origin.
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DOI: 10.1016/S0028-3932(00)00071-3
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After callosal infarction, the patient gesticulated predominantly unilaterally with the left hand despite left apraxia. Bilateral gesticulation occurred later on and was presumably achieved by an increase in ipsilateral proximal control. Movement analysis further indicated that the two hemispheres are specialized for certain gesture types. Gestures with emotional connotation and batons (emphasizing prosody) were generated predominantly in the right hemisphere whereas physiographics which picture the linguistic content concretely and deictics (pointing) were of left-hemispheric origin. </div></front></TEI><affiliations><list><country><li>Allemagne</li><li>États-Unis</li></country><region><li>Berlin</li><li>État de New York</li></region><settlement><li>Berlin</li></settlement></list><tree><country name="Allemagne"><region name="Berlin"><name sortKey="Lausberg, Hedda" sort="Lausberg, Hedda" uniqKey="Lausberg H" first="Hedda" last="Lausberg">Hedda Lausberg</name></region><name sortKey="Lausberg, Hedda" sort="Lausberg, Hedda" uniqKey="Lausberg H" first="Hedda" last="Lausberg">Hedda Lausberg</name><name sortKey="Rothenh Usler, Angela" sort="Rothenh Usler, Angela" uniqKey="Rothenh Usler A" first="Angela" last="Rothenh Usler">Angela Rothenh Usler</name></country><country name="États-Unis"><region name="État de New York"><name sortKey="Davis, Martha" sort="Davis, Martha" uniqKey="Davis M" first="Martha" last="Davis">Martha Davis</name></region><name sortKey="Rothenh Usler, Angela" sort="Rothenh Usler, Angela" uniqKey="Rothenh Usler A" first="Angela" last="Rothenh Usler">Angela Rothenh Usler</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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