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Post Publication Research   

Human brain shows weird preference for sounds from the left!

In chapters 7&8 we explored the auditory cortex and how it processed music and speech differently in the left and right hemispheres of the brain. New research suggests a strange bias in which "positive human sounds, like laughter, trigger stronger neural activity in the brain's auditory system when they are heard from the left-hand side..." Go figure! Here's the article:, and here's the research:

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Apparently there has been more than one bottleneck along the way to our current milieu. In new research reported in Popular Science, apparently 99% of the human population was wiped out 800,000 years


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