bioinformatic quest for the holy grail: ug gene
DESCRIPTION
Bioinformatic Quest for the Holy Grail: UG gene. Su Dong Kim Biointelligence Lab. Interdisciplinary Program in Cognitive Science, Seoul National University 2003. 2. 19. Bioinformatic Quest for the Holy Grail: UG gene. Logical necessity of UG Evolution of UG - PowerPoint PPT PresentationTRANSCRIPT
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(C) 2002, SNU Biointelligence Lab, http://bi.snu.ac.kr/
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Bioinformatic QuestBioinformatic Questfor the Holy Grail: UG genefor the Holy Grail: UG gene
Su Dong Kim
Biointelligence Lab.
Interdisciplinary Program in Cognitive Science,
Seoul National University
2003. 2. 19.
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Bioinformatic QuestBioinformatic Questfor the Holy Grail: UG genefor the Holy Grail: UG gene
Logical necessity of UG Evolution of UG Brain structure and
Language Disorders Language Disorders & UG SLI & WS FOXP2, language gene Cognitive Genetics Bioinformatic Quest
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Logical necessity of UGLogical necessity of UG
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Evolution of UGEvolution of UG
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Why Study Language Disorders?Why Study Language Disorders?
To locate language in the brain
To reveal workings of the grammar
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Brain Structure and AphasiaBrain Structure and Aphasia
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Language Disorders & UGLanguage Disorders & UG
Having language localized in a specific area of the brain predicts the following:– impaired linguistic ability with regular intelligence
– impaired general intelligence with regular linguistic ability
Specific Language Impairment (SLI) Williams’ Syndrome (WS)
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Specific Language ImpairmentSpecific Language Impairment
Has a specific genetic profile Slow rate of speech Stopped to correct themselves
5X more than normal OK with saying if words are English or not:
Problems with inflection (tense, number)
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Genetic Study Results of SLIGenetic Study Results of SLI
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Pedigree of the KE familyPedigree of the KE family
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PET & MRI Study of the KE familyPET & MRI Study of the KE family
(A) Parasaggital section (PET)(B) Coronal section (PET)(C) Transverse section (MRI)
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Identification of FOXP2 geneIdentification of FOXP2 gene
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Phylogenetic Map of FOXP2Phylogenetic Map of FOXP2
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Williams’ Syndrome (WS)Williams’ Syndrome (WS)
Genetic hallmark;– deletion on chromosome band 7q11.23.
Physical characteristics: – elfin appearance
– particular heart defects
Cognitive problems:– only rudimentary skills in reading, writing, math
– problems with spatial understanding
Normal to superior linguistic abilities;– very expressive and fluent
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Brain Cytoarchitectonic in WSBrain Cytoarchitectonic in WS
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Neurophysiological Profile of WSNeurophysiological Profile of WS
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Molecular Genetic Profile for WSMolecular Genetic Profile for WS
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Genetics and Cognitive AbilityGenetics and Cognitive Ability
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Bioinformatic QuestBioinformatic Questfor the Holy Grail: UG genefor the Holy Grail: UG gene