Interhemispheric Interaction in Language and Cognitive Processes

Kasselimis, Dimitrios; Nidos, Andreas

doi:10.1016/b978-0-08-097086-8.54039-2

Cited by 4 publications

(2 citation statements)

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“…On the basis of neuroplasticity, one should consider an alternative developmental course, which could eventually result in an extremely deviant lateralization pattern. In healthy individuals, hemispheric specialization is a gradual process and is thought to be established through inter‐hemispheric interaction, during development (for a review, see Kasselimis & Nidos, 2015). In contrast, in the case of AP, the right hemisphere developed in a rather anomalous way, resulting in hemiatrophy.…”

Section: Introductionmentioning

confidence: 99%

Preserved visuospatial abilities in absence of the right hemisphere: A case of cerebral hemiatrophy with minimal cognitive impairment

Kasselimis

Tsolakopoulos

Simos

et al. 2022

Journal of Neuropsychology

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Section: Introductionmentioning

confidence: 99%

Preserved visuospatial abilities in absence of the right hemisphere: A case of cerebral hemiatrophy with minimal cognitive impairment

Kasselimis

Tsolakopoulos

Simos

et al. 2022

Journal of Neuropsychology

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“…Callosal fibers are known to be involved in cognition, in the sense that they allow interhemispheric connections, which support bilateral information processing, especially during highly demanding tasks. A plethora of studies provides evidence in favor of the involvement of the corpus callosum in several cognitive domains, such as visuospatial attention, higher-level visual processing, and language (for a review, see Kasselimis & Nidos, 2015).…”

Section: Introductionmentioning

confidence: 99%

Evidence for Cognitive Deficits in X-Linked Charcot-Marie-Tooth Disease

Kasselimis

Karadima

Angelopoulou

et al. 2020

J Int Neuropsychol Soc

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Objective:X-linked Charcot-Marie-Tooth disease (CMTX) is an hereditary neuropathy caused by mutations in GJB1 coding for connexin-32, found in Schwann cells, but also expressed in oligodendrocytes. Reports have identified CNS involvement in CMTX, but no systematic study of cognitive function has been published.Methods:We assessed 24 CMTX patients (13 males; 9GJB1 mutations) with a comprehensive neuropsychological battery, including tests of memory, language, and executive functions.Results:No differences in cognitive performance were observed between males and females. A case-by-case investigation revealed selective deficits in individual patients. One subgroup (29%) demonstrated executive abnormalities; and a non-overlapping subgroup (29%), prominent reading (decoding) abnormalities.Conclusions:The present data provide evidence for cognitive deficits in CMTX. Emerging neuropsychological patterns are also discussed.

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Mixed language dominance: insights from a case of unexpected fluent aphasia with semantic jargon resulting from massive left perisylvian lesion

et al. 2017

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We report a right-handed patient with a massive lesion in left perisylvian language cortex, who unexpectedly presented with fluent aphasia with semantic jargon. Language deficits were assessed with a comprehensive battery of language tests. Comprehension, naming, reading, and writing were severely impaired, and verbal expression was moderately fluent with semantic jargon. Although the patient's lesion included brain areas typically essential for motor speech coordination, he was neither nonfluent nor apraxic. He exhibited strikingly unexpected aphasia with semantic jargon and prominent comprehension deficits, suggesting that this is a case of mixed dominance: the right hemisphere likely controls motor speech and basic syntactic skills, while the severely damaged left hemisphere controls semantic processing, predictably severely impaired.

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Interhemispheric Interaction in Language and Cognitive Processes

Cited by 4 publications

References 115 publications

Preserved visuospatial abilities in absence of the right hemisphere: A case of cerebral hemiatrophy with minimal cognitive impairment

Preserved visuospatial abilities in absence of the right hemisphere: A case of cerebral hemiatrophy with minimal cognitive impairment

Evidence for Cognitive Deficits in X-Linked Charcot-Marie-Tooth Disease

Mixed language dominance: insights from a case of unexpected fluent aphasia with semantic jargon resulting from massive left perisylvian lesion

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