Lingual gyrus
（重定向自Gyrus lingualis）
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The lingual gyrus is a brain structure that is linked to processing vision, especially related to letters. It is thought to also play a role in analysis of logical conditions (i.e. logical order of events) and encoding visual memories. The lingual gyrus is named after the shape it most closely resembles - the tongue. Contrary to the name, the region has little to do with speech.