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| Titel: |
Crossed aphasia and visuo-spatial neglect following a right thalamic stroke: A case study and review of the literature |
| Auteur: |
De Witte, Lieve Verhoeven, Jo Engelborghs, Sebastiaan De Deyn, Peter P. Mariën, Peter |
| Verschenen in: |
Behavioural neurology |
| Paginering: | Jaargang 19 (2008) nr. 4 pagina's 177-194 |
| Jaar: |
2008-12-18 |
| Inhoud: |
Crossed aphasia in dextrals (CAD) following pure subcortical lesions is rare. This study describes a right-handed patient with an ischemic lesion in the right thalamus. In the post-acute phase of the stroke, a unique combination of 'crossed thalamic aphasia' was found with left visuo-spatial neglect and constructional apraxia. On the basis of the criteria used in Mariën et al. [67], this case-report is the first reliable representative of vascular CAD following an isolated lesion in the right thalamus. Furthermore, this paper presents a detailed analysis of linguistic and cognitive impairments of 'possible' and 'reliable' subcortical CAD-cases published since 1975. Out of 25 patients with a pure subcortical lesion, nine cases were considered as 'possibly reliable or reliable'. A review of these cases reveals that: 1) demographic data are consistent with the general findings for the entire group of vascular CAD, 2) the neurolinguistic findings do not support the data in the general CAD-population with regard to a) the high prevalence of transcortical aphasia and b) the tendency towards a copresence of an oral versus written language dissociation and a 'mirror-image' lesion-aphasia profile, 3) subcortical CAD is not a transient phenomenon, 4) the lesion-aphasia correlations are not congruent with the high incidence of anomalous cases in the general CAD-population, 5) neuropsychological impairments may accompany subcortical CAD. |
| Uitgever: |
IOS Press |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 1 van 5 gevonden artikelen
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