The brain decides before we do

From Straw Dogs. Benjamin Libet has investigated what he calls the “half second delay”. Apparently it has been shown that the electrical impulse that initiates an action occurs half a second before we take the conscious decision to act.  So while we think we are making decisions in fact our brain is processing stimuli and making/preparing our decisions for us based on masses of information and patterns.


  1. 1 Not as conscious as we think « The displaced Kiwi

    […] The same clip got a mention in this week’s In Our Time on neuroscience <link>. One of the participants reported that they showed this clip to people in a FMRI, a machine which monitors brain activity. Interestingly, the people in the test didn’t “see” the bear the first time, but the brain did. It just didn’t register in the person’s consciousness. The programme also referenced the work of Liebert which I have reported on previously <link>. […]

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