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

  • Brain Time
    Brain Time

    The days of thinking of time as a river—evenly flowing, always advancing—are over. Time perception, just like vision, is a construction of the brain.

  • New Scientist time story
    New Scientist time story

    New Scientist magazine recently featured my time perception research as their cover story. 

  • Silicon Immortality: Downloading Consciousness into Computers
    Silicon Immortality: Downloading Consciousness into Computers

    Well before we understand how brains work, we may find ourselves able to digitally copy the brain's structure and able to download the conscious mind into a computer. What are the possibilities and challenges?

  • Why I am a Possibilian
    Why I am a Possibilian

    Our ignorance of the cosmos is too vast to commit to atheism, and yet we know too much to commit to a particular religion. A third position, agnosticism, is often an uninteresting stance in which a person simply questions whether his traditional religious story is true or not true. I call myself a possibilian. Find out why.

Newsflashes

Barnes and Noble Best Book

Barnes and Noble selected SUM as one of the Best Books of the Year.

Emily Blunt reads for the Sum audio book

Hear the actress Emily Blunt (Young Victoria, Devil Wears Prada) read "The Cast" from Sum. She is one of the dozens of terrific actors who read for the audio book.

Why the Net Matters on BBC Today

Listen to an interview on BBC's Today Programme regarding the new iPad book Why the Net Matters.

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