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Science News for July 5, 1999


Weizmann Institute scientists develop a potential future treatment for myasthenia gravis

Researchers at the Weizmann Institute have developed a new treatment for a myasthenia gravis-like disease in rats by administering genetically engineered receptor fragments through the nose. The approach may serve as a basis for treating this autoimmune disease in humans, where symptoms can be life-threatening.

SourceAmerican Committee for the Weizmann Institute of Science·JournalProceedings of the National Academy of Sciences·DateJul 5, 1999

The lie of the tiger

Researchers at USC and UC Irvine have discovered two independent brain pathways that process visual information, highlighting the importance of integrating color and motion. The 'Third Order' system is found to be critical for detecting pure color motion, allowing humans to perceive movement in 'isoluminant' images.

SourceUniversity of Southern California·JournalProceedings of the National Academy of Sciences·DateJul 5, 1999