birdwatcher (birdwatcher) wrote,
birdwatcher
birdwatcher

Фьюжн!

In evolutionary and experimental biology, the field of experimental evolution is concerned with testing hypotheses and theories of evolution by use of controlled experiments. [...] In 1993, Theodore Garland, Jr. and colleagues started a long-term experiment that involves selective breeding for high voluntary activity levels on running wheels. This experiment also continues to this day (> 65 generations). Mice from the four replicate "High Runner" lines evolved to run almost 3 times as many running-wheel revolutions per day as compared with the four unselected control lines of mice, mainly by running faster than the control mice rather than running for more minutes/day. The High Runner lines have been proposed as a model to study human attention-deficit hyperactivity disorder (ADHD), and administration of Ritalin reduces their wheel running approximately to the levels of Control mice.

(См. также Russian scientists now have a number of domesticated foxes that are fundamentally different in temperament and behavior from their wild forebearers.)
Tags: adhd
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