由于杏仁核对我们的感觉有至关重要的作用，这一发现或许可以解释为什么很多人认为这些画作如此生动。

Since the amygdala plays a crucial role in our feelings, that finding might explain why many people find these pieces so moving.

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首先，他们解释说，如果一个给定的变量在影响幸福感方面发挥了作用，那么我们应该预期该变量的任何变化都与所观察到的幸福感变化相关。

First, they explain that if a given variable is playing a role in affecting wellbeing then we should expect any change in that variable to correlate with the observed changes in wellbeing.

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“我们的手腕可以像鞭子一样灵活移动，它可以在投掷时起到加速作用，”他解释说。

"We have a wrist that can move like a whip, that can accelerate through throwing," he explains.

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