{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T23:53:00Z","timestamp":1777420380544,"version":"3.51.4"},"reference-count":48,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2019,6,17]],"date-time":"2019-06-17T00:00:00Z","timestamp":1560729600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100002347","name":"Bundesministerium f\u00fcr Bildung und Forschung","doi-asserted-by":"publisher","award":["01GQ1401"],"award-info":[{"award-number":["01GQ1401"]}],"id":[{"id":"10.13039\/501100002347","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["bpspsychub.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Neuropsychology"],"published-print":{"date-parts":[[2020,6]]},"abstract":"<jats:p>\n                    While visuospatial deficits are well\u2010characterized cognitive sequelae of right hemisphere (\n                    <jats:styled-content style=\"fixed-case\">RH<\/jats:styled-content>\n                    ) stroke, apraxic deficits in\n                    <jats:styled-content style=\"fixed-case\">RH<\/jats:styled-content>\n                    stroke remain poorly understood. Likewise, very little is known about the association between apraxic and visuospatial deficits in\n                    <jats:styled-content style=\"fixed-case\">RH<\/jats:styled-content>\n                    stroke or about the putative common or differential pathophysiology underlying these deficits. Therefore, we examined the behavioural and lesion patterns of apraxic deficits (pantomime of object use and bucco\u2010facial imitation) and visuospatial deficits (line bisection and letter cancellation tasks) in 50 sub\u2010acute\n                    <jats:styled-content style=\"fixed-case\">RH<\/jats:styled-content>\n                    stroke patients. Using principal component analysis (\n                    <jats:styled-content style=\"fixed-case\">PCA<\/jats:styled-content>\n                    ), we characterized the relationship between the two deficits. We hypothesized that any interaction of these neuropsychological measures may be influenced by the demands of ego\u2010centric\/space\u2010based and\/or allo\u2010centric\/object\u2010based processing. Contralesional visuospatial deficits were common in our clinically representative patient sample, affecting more than half of\n                    <jats:styled-content style=\"fixed-case\">RH<\/jats:styled-content>\n                    stroke patients. Furthermore, about one\u2010third of all patients demonstrated apraxic deficits.\n                    <jats:styled-content style=\"fixed-case\">PCA<\/jats:styled-content>\n                    revealed that pantomiming and the imitation of bucco\u2010facial gestures loaded clearly on a first component (\n                    <jats:styled-content style=\"fixed-case\">PCA<\/jats:styled-content>\n                    1), while letter cancellation loaded heavily on a second component (\n                    <jats:styled-content style=\"fixed-case\">PCA<\/jats:styled-content>\n                    2). For line bisection, overall mean deviation loaded on\n                    <jats:styled-content style=\"fixed-case\">PCA<\/jats:styled-content>\n                    1, while the difference between the mean deviations in contra\u2010 versus ipsilesional space loaded on\n                    <jats:styled-content style=\"fixed-case\">PCA<\/jats:styled-content>\n                    2. These results suggest that\n                    <jats:styled-content style=\"fixed-case\">PCA<\/jats:styled-content>\n                    1 represents allo\u2010centric\/object\u2010based processing and\n                    <jats:styled-content style=\"fixed-case\">PCA<\/jats:styled-content>\n                    2 ego\u2010centric\/space\u2010based processing. This interpretation was corroborated by the statistical lesion analyses with the component scores. Data suggest that disturbed allo\u2010centric\/object\u2010based processing contributes to apraxic pantomime and imitation deficits in (sub\u2010acute)\n                    <jats:styled-content style=\"fixed-case\">RH<\/jats:styled-content>\n                    stroke.\n                  <\/jats:p>","DOI":"10.1111\/jnp.12191","type":"journal-article","created":{"date-parts":[[2019,6,17]],"date-time":"2019-06-17T13:19:41Z","timestamp":1560777581000},"page":"242-259","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Deficient allo\u2010centric visuospatial processing contributes to apraxic deficits in sub\u2010acute right hemisphere stroke"],"prefix":"10.1111","volume":"14","author":[{"given":"Simon D.","family":"Ubben","sequence":"first","affiliation":[{"name":"Cognitive Neuroscience Institute of Neuroscience and Medicine (INM\u20103) Research Centre J\u00fclich J\u00fclich 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