Dyslexic Readers Have Disrupted Network Connections in the Brain
A new study in Biological Psychiatry maps the circuitry of dyslexia. Compared to typical readers, dyslexic readers had weaker connections between areas that process visual information and areas that control attention, suggesting that individuals with dyslexia are less able to focus on printed words.
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How the Brain Pays Attention
Picking out a face in the crowd is a complicated task: Your brain has to retrieve the memory of the face you’re seeking, then hold it in place while scanning the crowd, paying special attention to finding a match. Neuroscientists have now identified a brain circuit that's key to shifting our focus from one object to another.
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Brain’s ‘Visual Dictionary’ Enables Skilled Readers to Identify Words Faster
Skilled readers can recognize words at lightning fast speed when they read because the word has been placed in a sort of visual dictionary, say Georgetown University Medical Center (GUMC) neuroscientists. The visual dictionary idea rebuts the theory that our brain “sounds out” words each time we see them.
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Juggle for a Bigger Brain
It's no longer just a party trick. Juggling, and probably other visual skills that take time to master, increase the size of your brain. That’s the conclusion of German researchers, which throws down the gauntlet to the mainstream view that the size of the adult brain does not change at all except when it is confronted by ageing or disease.
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