by Deliy Lenzi
Almost 150 years ago Carl Wernicke first described a vertical large flat bundle of nerve fibres connecting sub-regions of the visual system. It appeared again in the 1918 edition of Gray’s Anatomy, but eventually fell into obscurity and disappeared from textbooks. Yeatman and collegues have identified again the vertical occipital fasciculus (VOF) in vivo using diffusion-weighted imaging and tractography, and have found that this bundle can be found in every hemisphere. The researchers speculate that the VOF likely plays an important role in perceptual processes such as reading and recognising faces.
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