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1
Effects of Age on American Sign Language Sentence Repetition
In: Psychol Aging (2020)
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2
A human neurodevelopmental model for Williams syndrome.
In: Nature, vol 536, iss 7616 (2016)
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3
A human neurodevelopmental model for Williams syndrome.
In: Nature, vol 536, iss 7616 (2016)
Abstract: Williams syndrome is a genetic neurodevelopmental disorder characterized by an uncommon hypersociability and a mosaic of retained and compromised linguistic and cognitive abilities. Nearly all clinically diagnosed individuals with Williams syndrome lack precisely the same set of genes, with breakpoints in chromosome band 7q11.23 (refs 1-5). The contribution of specific genes to the neuroanatomical and functional alterations, leading to behavioural pathologies in humans, remains largely unexplored. Here we investigate neural progenitor cells and cortical neurons derived from Williams syndrome and typically developing induced pluripotent stem cells. Neural progenitor cells in Williams syndrome have an increased doubling time and apoptosis compared with typically developing neural progenitor cells. Using an individual with atypical Williams syndrome, we narrowed this cellular phenotype to a single gene candidate, frizzled 9 (FZD9). At the neuronal stage, layer V/VI cortical neurons derived from Williams syndrome were characterized by longer total dendrites, increased numbers of spines and synapses, aberrant calcium oscillation and altered network connectivity. Morphometric alterations observed in neurons from Williams syndrome were validated after Golgi staining of post-mortem layer V/VI cortical neurons. This model of human induced pluripotent stem cells fills the current knowledge gap in the cellular biology of Williams syndrome and could lead to further insights into the molecular mechanism underlying the disorder and the human social brain.
Keyword: 1.1 Normal biological development and functioning; 2.1 Biological and endogenous factors; Adolescent; Adult; Apoptosis; Brain; Brain Disorders; Calcium; Cell Differentiation; Cell Shape; Cellular Reprogramming; Cerebral Cortex; Chromosomes; Congenital Structural Anomalies; Dendrites; Female; Frizzled Receptors; General Science & Technology; Genetics; Haploinsufficiency; Human; Humans; Induced Pluripotent Stem Cells; Intellectual and Developmental Disabilities (IDD); Male; Mental Health; Models; Neural Stem Cells; Neurological; Neurons; Neurosciences; Pair 7; Pediatric; Phenotype; Rare Diseases; Regenerative Medicine; Reproducibility of Results; Stem Cell Research; Stem Cell Research - Induced Pluripotent Stem Cell; Stem Cell Research - Induced Pluripotent Stem Cell - Human; Stem Cell Research - Nonembryonic - Human; Stem Cell Research - Nonembryonic - Non-Human; Synapses; Williams Syndrome; Young Adult
URL: https://escholarship.org/uc/item/6kd0g8p5
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4
An fMRI Study of Perception and Action in Deaf Signers
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5
Neural basis of action understanding: Evidence from sign language aphasia
In: Aphasiology. - London [u.a.] : Routledge, Taylor & Francis Group 27 (2013) 9, 1147-1158
OLC Linguistik
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6
Musicality Correlates With Sociability and Emotionality in Williams Syndrome
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7
Neural Basis of Action Understanding: Evidence from Sign Language Aphasia
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8
Neural organization of language : clues from sign language aphasia
In: The handbook of psycholinguistic and cognitive processes (New York, NY, 2011), p. 687-708
MPI für Psycholinguistik
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9
Language and sociability: insights from Williams syndrome
Fishman, Inna; Yam, Anna; Bellugi, Ursula. - : Springer US, 2011
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10
Intelligence in Williams Syndrome is related to STX1A, which encodes a component of the presynaptic SNARE complex.
In: PloS one, vol 5, iss 4 (2010)
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11
The fusiform face area is enlarged in Williams syndrome
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12
Intelligence in Williams Syndrome Is Related to STX1A, Which Encodes a Component of the Presynaptic SNARE Complex
Gao, Michael C.; Bellugi, Ursula; Dai, Li. - : Public Library of Science, 2010
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13
Neural organization of linguistic short-term memory is sensory modality-dependent: evidence from signed and spoken language
In: Journal of cognitive neuroscience. - Cambridge, Mass. : MIT Press Journals 20 (2008) 12, 2198-2210
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OLC Linguistik
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14
Neural Dissociation in the Production of Lexical versus Classifier Signs in ASL: Distinct Patterns of Hemispheric Asymmetry
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15
Neural Organization of Linguistic Short-Term Memory is Sensory Modality-Dependent: Evidence from Signed and Spoken Language
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16
Patterns of paraphasic errors in a visual–gestural language
In: Brain & language. - Orlando, Fla. [u.a.] : Elsevier 103 (2007) 1-2, 238
OLC Linguistik
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17
Neural substrates for verbal working memory in deaf signers : fMRI study and lesion case report
In: Brain & language. - Orlando, Fla. [u.a.] : Elsevier 95 (2005) 2, 265-272
BLLDB
OLC Linguistik
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18
Narratives in children with Williams Syndrome : a cross-linguistic perspective
In: Perspectives on language and language development (Dordrecht, 2005), p. 303-312
MPI für Psycholinguistik
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19
Narratives in French and American children with Williams syndrome
In: Le langage et l'homme. - Louvain-la-Neuve : EME Éditions 40 (2005) 2, 111-125
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20
Mechanisms of verbal memory impairment in four neurodevelopmental disorders
In: Brain & language. - Orlando, Fla. [u.a.] : Elsevier 88 (2004) 2, 180-189
OLC Linguistik
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