"Glen M. Sizemore" <gmsizemore2 from yahoo.com> wrote in message
news:4617ac1f$0$22588$ed362ca5 from nr2.newsreader.com...
> Here's an experiment - you tell me what the outcome would be based on your
> fanciful notions:
>>>> This experiment involves pigeons pecking illuminated Plexiglas "keys"
> usually mounted behind a circular aperture in an aluminum wall of an
> operant chamber.
>>>> Beginning of trial: Two keys are transilluminated, both with white lights,
> and th pigeon can peck either key. Pecking the right hand key causes both
> lights to be extinguished.
Actually, I have one procedural detail wrong. When the pigeon pecks one of
the white keys, the OTHER key goes out during the t s delay. The key that is
pecked stays illuminated.