Genetics plays a part in determining lateralisation, but environmental factors have an impact too.
遗传在决定偏侧性方面起到了一定作用，但环境因素（对偏侧性）也有影响。
In some animals, lateralisation is simply a preference for a single paw or foot, while in others it appears in more general patterns of behaviour.
在一些动物中，侧化只是对单爪或单脚的偏好，而在另一些动物中，则表现为更普遍的行为模式。
In 2009, Maria Magat and Culum Brown at Macquarie University in Australia wanted to see if there was general cognitive advantage in lateralisation.
2009年，澳大利亚麦考瑞大学的玛丽亚·玛加特和库鲁姆·布朗想要了解在侧化方面是否存在普遍的认知优势。
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