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We invite you to join us in Alzheimer’s research on The Longest Day!


Stall Catchers is a citizen science game, developed by the Human Computation Institute, as part of the EyesOnALZ project. We are crowdsourcing promising Alzheimer’s research data from Cornell University.  With your help, we could find a potential treatment in just a few years!

Anyone can play, from any device! (iphone or any smartphone, ipad or any tablet, PC or Mac) We have a community of over 10,000 “catchers”, from ages 6 to 88, many of which are caregivers, family members of those affected, and people living with Alzheimer’s themselves.

In the game, you look for “stalls” – clogged blood vessels where blood is no longer flowing.  Stalls are a common hallmark of Alzheimer’s, and are linked to a severe reduction in blood flow in the brain.  However, if stalls are removed in mice, they regain some of the cognitive function, and other Alzheimer’s symptoms seem to decrease.

Stall Catchers is easy enough to learn, and we help you out in the beginning with a one minute tutorial on how to play! There is no way you can mess up the research.  We know how to extract research value from all your answers, right or wrong!

Playing Stall Catchers is a great and easy way to spend The Longest Day!  Contribute to Alzheimer’s research and ask people to sponsor you for each hour you play!  For each hour you play you are contributing the equivalency of xx hours of lab work.  How cool is that?!

This year, we are joining the fight to #ENDAlz and invite you to join our team and catch stalls through the month of June and on The Longest Day, June 21st!

Click HERE to join the Stall Catchers team