The human brain is made up of around 86 billion neurons, linked by trillions of connections. For decades, scientists have believed that we need to map this intricate connectivity in detail to understand how the structured patterns of activity defining our thoughts, feelings and behavior emerge.
Our new study, published in Nature, challenges this view. We have discovered that patterns of activity in our neurons are more influenced by the shape of the brain – its grooves, contours, and folds – than by its complex interconnections.
Have we got the brain all wrong? A new study shows its shape is more important than its wiring
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