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- The visual word form area (VWFA) is a functional region of the left fusiform gyrus and surrounding cortex (right-hand side being part of the fusiform face area) that is hypothesized to be involved in identifying words and letters from lower-level shape images, prior to association with phonology or semantics. Because the alphabet is relatively new in human evolution, it is unlikely that this region developed as a result of selection pressures related to word recognition per se; however, this region may be highly specialized for certain types of shapes that occur naturally in the environment and are therefore likely to surface within written language. In addition to word recognition, the VWFA may participate in higher-level processing of word meaning. In 2003, functional imaging experiments raised doubts about whether the VWFA is an actual region. This skepticism has largely disappeared; however, there seems to be much variability in its size. An area that may fall within this mental organ in one person may fall outside it in someone else Anomalies in the activation of this region have been linked to reading disorders. If the area is subjected to a surgical lesion, the patient will suffer a clear impairment to reading ability but not to recognition of objects, names, or faces or to general language abilities. There will be some improvement over the next six months, but reading will still take twice as long as it had before surgery. Electrical brain stimulation to the VWFA causes reading-specific disruptions and can cause letter misperception. (en)
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- The visual word form area (VWFA) is a functional region of the left fusiform gyrus and surrounding cortex (right-hand side being part of the fusiform face area) that is hypothesized to be involved in identifying words and letters from lower-level shape images, prior to association with phonology or semantics. Because the alphabet is relatively new in human evolution, it is unlikely that this region developed as a result of selection pressures related to word recognition per se; however, this region may be highly specialized for certain types of shapes that occur naturally in the environment and are therefore likely to surface within written language. (en)
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- Visual word form area (en)
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