After providing all the funding for The Brain from Top to Bottom for over 10 years, the CIHR Institute of Neurosciences, Mental Health and Addiction informed us that because of budget cuts, they were going to be forced to stop sponsoring us as of March 31st, 2013.

We have approached a number of organizations, all of which have recognized the value of our work. But we have not managed to find the funding we need. We must therefore ask our readers for donations so that we can continue updating and adding new content to The Brain from Top to Bottom web site and blog.

Please, rest assured that we are doing our utmost to continue our mission of providing the general public with the best possible information about the brain and neuroscience in the original spirit of the Internet: the desire to share information free of charge and with no adverstising.

Whether your support is moral, financial, or both, thank you from the bottom of our hearts!

Bruno Dubuc, Patrick Robert, Denis Paquet, and Al Daigen





Monday, 24 November 2014
Persistence of social signatures in human communication


No need to be impressed anymore by people who have 600 or 1400 “friends” on Facebook. Just like you and I, they are not really discussing their true feelings or anything else important with more than one or two dozen people at most. And for every individual, the size of this limited “hard core” of relationships seems to persist over time, even though the friends who compose it may change. These fascinating cognitive data come from a study entitled “Persistence of social signatures in human communication”, published in the journal Proceedings of the National Academy of Sciences of the United States of America in January 2014. (more…)

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