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Posts Tagged ‘brain’

Sorry if this picture is too graphic for some, but for me it was just too beautiful and fascinating not to post! I hope most of you can appreciate its beauty and complexity as much as I can 🙂 Full sized shot here.

Also thought I’d share this link which is a gif of a human heart from a donor being kept alive in a mechanical system which keeps it warm, oxygenated, with nutrient enriched blood pumping through.

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That is to ask, what does their inner voice sound like, especially those who were born 100% deaf? I just found out, and it blew my mind!

Those who were born completely deaf and only learned sign language will, not surprisingly, think in sign language.  What is surprising is those who were born completely deaf but learn to speak through vocal training will occasionally think not only in the particular sign language that they know, but also will sometimes think in the vocal language they learned, with their brains coming up with how the vocal language sounds.  Primarily though, most completely deaf people think in sign language.  Similar to how an “inner voice” of a hearing person is experienced in one’s own voice, a completely deaf person sees or, more aptly, feels themselves signing in their head as they “talk” in their heads.

Follow the link above for more on the topic. It’s pretty interesting stuff that I’d never thought about!

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This is some seriously cool neuroscience!

The left clip is a segment of the movie that the subject viewed while in the magnet. The right clip shows the reconstruction of this movie from brain activity measured using fMRI. The reconstruction was obtained using only each subject’s brain activity and a library of 18 million seconds of random YouTube video. (In brief, the algorithm processes each of the 18 million clips through the brain model, and identifies the clips that would have produced brain activity as similar to the measured brain activity as possible. The clips used to fit the model, those used to test the model and those used to reconstruct the stimulus were entirely separate.) Brain activity was sampled every one second, and each one-second section of the viewed movie was reconstructed separately.

For a related video see: http://www.youtube.com/watch?v=KMA23JJ1M1o

For more information about this work, please check our lab web site: http://gallantlab.org

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In an interview here Gary Wenk, a professor of Psychology and Neuroscience at The Ohio State University, discusses how cannabis and coffee are both beneficial for your brain and health.

I also find his insights on keep your calorie count down as being good for living a longer life. Though, in the face of the obesity epidemic it definitely makes a lot of sense considering what the average person eats each day.

 

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