Wednesday, November 3, 2010

Zebrafish have some nerve, researchers find

Now two UC researchers in San Francisco and Berkeley — including Ehud Isacoff of the Lab's Physical Biosciences and Materials Sciences Divisions — have discovered how the nerves and brains of the boldly striped, inch-long fish can distinguish between the sight of small, quick-moving prey and larger objects looming before their eyes that might be hungry predators. And one nerve scientist leading the group likened the fish's ability to make that distinction in its nervous system to a baseball batter's instant ability to grab a hit at a pitcher's oncoming fastball. More>