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Nieto, Rebeca Garcia; Castellanos, F. Xavier – Journal of Clinical Child and Adolescent Psychology, 2011
Despite the nosological distinction between bipolar disorder and schizophrenia, there is increasing evidence that these conditions share phenomenological characteristics. To examine the similarities in their patterns of cognitive impairment, we conducted a meta-analysis from 12 studies of Early Onset Schizophrenia (EOS) and 12 studies of Pediatric…
Descriptors: Schizophrenia, Verbal Learning, Patients, Cognitive Processes
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van Soelen, Inge L. C.; van den Berg, Stephanie M.; Dekker, Peter H.; van Leeuwen, Marieke; Peper, Jiska S.; Hulshoff Pol, Hilleke E.; Boomsma, Dorret I. – Learning and Individual Differences, 2009
We explored the genetic background of individual differences in dynamic measures of verbal learning ability in children, using a Dutch version of the Auditory Verbal Learning Test (AVLT). Nine-year-old twin pairs (N = 112 pairs) were recruited from the Netherlands Twin Register. When possible, an older sibling between 10 and 14 years old…
Descriptors: Twins, Verbal Learning, Genetics, Individual Differences
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Spilkin, Amy M.; Ballantyne, Angela O.; Trauner, Doris A. – Neuropsychologia, 2009
Visual and verbal learning in a genetic metabolic disorder (cystinosis) were examined in the following three studies. The goal of Study I was to provide a normative database and establish the reliability and validity of a new test of visual learning and memory (Visual Learning and Memory Test; VLMT) that was modeled after a widely used test of…
Descriptors: Visual Stimuli, Visual Learning, Verbal Learning, Genetics
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Hoekstra, Rosa A.; Bartels, Meike; van Leeuwen, Marieke; Boomsma, Dorret I. – Developmental Science, 2009
The etiology of individual differences in general verbal ability, verbal learning and letter and category fluency were examined in two independent samples of 9- and 18-year-old twin pairs and their siblings. In both age groups, we observed strong familial resemblance for general verbal ability and moderate familial resemblance for verbal learning,…
Descriptors: Twins, Verbal Learning, Late Adolescents, Genetics
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Sampaio, Adriana; Sousa, Nuno; Fernandez, Montse; Henriques, Margarida; Goncalves, Oscar F. – Brain and Cognition, 2008
Williams syndrome (WS) is a neurodevelopmental genetic disorder often described as being characterized by a dissociative cognitive architecture, in which profound impairments of visuo-spatial cognition contrast with relative preservation of linguistic, face recognition and auditory short-memory abilities. This asymmetric and dissociative cognition…
Descriptors: Verbal Learning, Short Term Memory, Long Term Memory, Developmental Delays