From

<http://www.nytimes.com/2010/09/07/health/views/07mind.html>

> These findings extend well beyond math, even to aesthetic intuitive
> learning. In an experiment published last monthin the journal
> Psychology and Aging, researchers found that college students and
> adults of retirement age were better able to distinguish the
> painting styles of 12 unfamiliar artists after viewing mixed
> collections (assortments, including works from all 12) than after
> viewing a dozen works from one artist, all together, then moving on
> to the next painter.

<http://www.williams.edu/Psychology/Faculty/Kornell/Publications/Kornell.Castel.Eich.Bjork.2010.pdf
>

Something to keep in mind when trying to learn some bird ID: work in
families (or bigger chunks) not individual birds.
--
Kevin Purcell (Seattle, WA)
kevinpurcell at pobox.com
http://kevinpurcell.posterous.com
http://twitter.com/kevinpurcell