Breakfast is also associated with improved brain function, including concentration and language use.

早餐还能增强大脑功能，包括专注力和语言运用能力。

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Both hemispheres of the brain do contribute to language function.

双侧大脑半球都有助于语言功能。

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Since language is not used any longer, then tongue of human will lose the function of speech, and the brain will gradually lost the capability of thinking.

既然不使用语言了，人的舌头就失去了说话的功能，人的脑子也就慢慢地失去了思维的能力。

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Dementia is a loss of brain function and affects memory, thinking, language, judgment and behavior.

CNN: Building relationships amid memory loss