The Neuropsychological Syndrome of Agenesis of the Corpus Callosum.
Agenesis of the corpus callosum
Corpus callosum
Journal
Journal of the International Neuropsychological Society : JINS
ISSN: 1469-7661
Titre abrégé: J Int Neuropsychol Soc
Pays: England
ID NLM: 9503760
Informations de publication
Date de publication:
03 2019
03 2019
Historique:
pubmed:
30
1
2019
medline:
28
7
2020
entrez:
30
1
2019
Statut:
ppublish
Résumé
Agenesis of the corpus callosum (AgCC) involves congenital absence of all or part of the corpus callosum. Because the disorder can only be firmly diagnosed via neuroradiology, it has a short research history, and only recently has the cognitive syndrome become clear. Our purpose is to review the primary deficits in AgCC that constitute the core syndrome. The cores syndrome includes: (1) reduced interhemispheric transfer of sensory-motor information; (2) reduced cognitive processing speed; and (3) deficits in complex reasoning and novel problem-solving. These domains do not appear to reflect different neuroanatomical abnormalities, but rather different domains of expression of reduced interhemispheric communication from callosal absence. These core deficits are expressed across various domains of cognitive, behavioral, and social functioning. The impact of these deficits varies across development and may be moderated by individual factors such as co-occurrence of other neurodevelopmental conditions, general intellectual capacity, and environmental support. (JINS, 2019, 25, 324-330).
Sections du résumé
BACKGROUND
Agenesis of the corpus callosum (AgCC) involves congenital absence of all or part of the corpus callosum. Because the disorder can only be firmly diagnosed via neuroradiology, it has a short research history, and only recently has the cognitive syndrome become clear.
PURPOSE
Our purpose is to review the primary deficits in AgCC that constitute the core syndrome.
CONCLUSIONS
The cores syndrome includes: (1) reduced interhemispheric transfer of sensory-motor information; (2) reduced cognitive processing speed; and (3) deficits in complex reasoning and novel problem-solving. These domains do not appear to reflect different neuroanatomical abnormalities, but rather different domains of expression of reduced interhemispheric communication from callosal absence.
IMPLICATIONS
These core deficits are expressed across various domains of cognitive, behavioral, and social functioning. The impact of these deficits varies across development and may be moderated by individual factors such as co-occurrence of other neurodevelopmental conditions, general intellectual capacity, and environmental support. (JINS, 2019, 25, 324-330).
Identifiants
pubmed: 30691545
pii: S135561771800111X
doi: 10.1017/S135561771800111X
pmc: PMC7989584
mid: NIHMS1678983
doi:
Types de publication
Journal Article
Review
Langues
eng
Sous-ensembles de citation
IM
Pagination
324-330Subventions
Organisme : NICHD NIH HHS
ID : R01 HD092430
Pays : United States
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