随身英语 Brain training 如何训练大脑？  

Play audio file 大脑是个神奇的器官。我们如何通过训练大脑而变得更聪明呢？本期《随身英语》讲解不同的训练方法，比如使用两种语言、熟记购物清单和吃巧克力等。

课文内容 词汇: Neuroscience 神经科学

Our brain is probably the most important organ in our body. It's an incredibly complex thing that helps us think, speak, feel and move. It's no wonder we need to look after it and just like the rest of our body, we need to keep it exercised to keep it healthy.

Our brain is made up of 86 billion neurons – or nerve cells – but as we get older some of these slowly die off. In extreme cases, nerve cells in different areas of the brain become damaged and eventually die causing a condition called dementia where a person is unable to perform certain mental functions.

It's a good idea to train our brain by learning ways to increase our memory or intelligence. I like to stretch my brain by doing a crossword or a Sudoku puzzle. There's also evidence that learning a second language can boost your brainpower. Dr Catherine Loveday, who's a neuropsychologist, thinks being bilingual is a protective factor for the brain because it "involves a lot of switchings and that seems to exercise the sort of executive parts of our brain. Those parts of the brain are kind of stronger and fitter when it comes to resisting some kind of damage from a stroke."

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