Regional Cerebral Blood Flow Miranda, Sarah, Tabea, Kirsten.

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Presentation transcript:

Regional Cerebral Blood Flow Miranda, Sarah, Tabea, Kirsten

Overview Intro Intro Mainpart Mainpart - Aim - Aim - Techniques - Techniques Conclusion Conclusion - Results - Results

Introduction cerebral activation cerebral activation deaf and hearing subjects deaf and hearing subjects with deaf parents with deaf parents deaf group depended more on spatial components deaf group depended more on spatial components

Mainparts Aim: compare sign language lateralization and localization between hearing and deaf children of deaf parents Aim: compare sign language lateralization and localization between hearing and deaf children of deaf parents Techniques: high resolution rCBF system with 254 stationary detectors and 133 xenon inhalation used to measure Techniques: high resolution rCBF system with 254 stationary detectors and 133 xenon inhalation used to measure

Conclusion Results: deafness is the factor that explains differences in cortical activation Results: deafness is the factor that explains differences in cortical activation The enhanced right hemisphere parieto-occipital activation is an effect of a lack of auditory stimulation and of early learning of a visual- spatial language The enhanced right hemisphere parieto-occipital activation is an effect of a lack of auditory stimulation and of early learning of a visual- spatial language This combination creates a different organization of language systems in the brain This combination creates a different organization of language systems in the brain

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