Regional Cerebral Blood Flow During Sign Language Perception

1. Regional Cerebral Blood Flow During Sign Language Perception Deaf and Hearing Subjects with Deaf Parents Compared Anica, Christiane, Katharina, Amalia

2. Overview • Introduction • Study • Subjects • Methods • Results • Conclusion

3. Introduction • Previous studies about the different uses of sign language • Difference between deaf and hearing signers • Description of the brain

4. Study • Subjects • Methods • Results

5. Subjects 6 deaf subjects – 9 hearing subjects • all had deaf parents • no psychiatric history • Swedish sign language as mother tongue • all were right-handed

6. Study • Subjects • Methods • Results

7. Methods • high resolution rCBF • Swedish novel was translated into Swedish sign language • presented by a deaf man signing • instruction: focus on story • retell story • Activation was compared during sign language and rest

8. Study • Subjects • Methods • Results

9. Results

10. Conclusion • In comparison of deaf to hearing attention should be paid to: • The different sign stimulation • Different language abilities depending on the environment