To the extent that consciousness is useful, it is useful in small quantities, and for very particular kinds of tasks. It's easy to understand why you would not want to be consciously aware of the intricacies of your muscle movement, but this can be less intuitive when applied to your perceptions, thoughts, and beliefs, which are also final products of the activity of billions of nerve cells.

From the Blog

  • Time to End the War on Drugs?
    Time to End the War on Drugs?

    To liberalise or prohibit?  I recently joined Eliot Spitzer, Julian Assange, Vicente Fox, Russell Brand, Richard Branson and several others for an online debate.

  • BrainCheck
    BrainCheck

    How can you rapidly detect whether someone has a concussion? I've just launched a new company, BrainCheck, that uses tablets and neuroscience to find out.  

  • Why public dissemination of science matters
    Why public dissemination of science matters

    Communicating science to the public can take time away from a busy research career. So why should scientists do it? I offer a manifesto of six reasons in the Journal of Neuroscience. 

  • My favorite New Yorker cartoon. Ever.
    My favorite New Yorker cartoon. Ever.

    I'm a sucker for time jokes.

Newsflashes

6 Ways the Internet Will Save Civilization

Read David's new article in Wired magazine: "Apocalyse? No. Six Ways the Internet Will Save Civilization"

Science Educator Award

David has won the Science Educator Award from the Society of Neuroscience.

NY Times Oped

Read David's Op-Ed piece in The New York Times regarding time and Obama's withdrawal plan.

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