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This Concept Map, created with IHMC CmapTools, has information related to: V11. 7th ed. Deafness, GJB2 encodes for Connexin 26, Not associated with oher problems including Cognitive defects, 1/4 of deafness associated with other problems like CHARGE, GJB2 phenotype Not associated with oher problems, 11. (7th ed.) NON-SYNDROMIC DEAFNESS caused from Defects in neurologic, 11. (7th ed.) NON-SYNDROMIC DEAFNESS caused from Defects in conductive apparatus, DFNA3 note Important to distinguish type of deafness, 11. (7th ed.) NON-SYNDROMIC DEAFNESS etiology 3/4 are Deafness alone, 11. (7th ed.) NON-SYNDROMIC DEAFNESS detected by Otoacoustic emissions, 11. (7th ed.) NON-SYNDROMIC DEAFNESS etiology 1/4 of deafness associated with other problems, DFNB1 (a form of deafness) note Important to distinguish type of deafness, GJB2 phenotype Mild to profound, GJB2 diseases DFNB1 (a form of deafness), 11. (7th ed.) NON-SYNDROMIC DEAFNESS etiology 1/3 to 1/2 of all deafness genetic, Allow passage of electrical currents between cells thus, defect is Not neurological, GJB2 diseases DFNA3, Autosomal Recessive usually Congenital, 11. (7th ed.) NON-SYNDROMIC DEAFNESS etiology 1 out of 500 to 1 per 1000 have hearing loss, Formation of Gap Junctions which Allow passage of electrical currents between cells, 3/4 are Deafness alone most common mutation GJB2