Alon Chen

Since mental health problems are estimated to affect some 10% of the world’s population, it stands to reason that if you don’t suffer from depression, anxiety or bipolar disorder yourself, you are probably close to someone who does. So you might be pleased to read about a new finding that could eventually lead to a whole new approach to treating this group of common mood disorders. The finding is that a tiny scrap of RNA – a microRNA that works in the brain – acts as a sort of mood regulator. It works something like the needle in a steam valve. Mice that had high levels of this particular…
What effect does a constant stream of engaging stimuli have on our relationships? On our social structure as a whole? What percentage of our actions is influenced by others, and how does this translate, at some point, into group behavior? Neurobiologists Prof. Alon Chen and Dr. Elad Schneidman of the Weizmann Institute and their team members have been using mice to investigate these questions. Chen and Schneidman approach the group as a network composed of the joint behavior patterns of mice that had had their fur dyed in bright, glow-in-the-dark colors. Among other things, this enables the…