But Dr Elizabeth Isaacs, who led the team from Great Ormond Street Hospital, London, told medical journal Brain they cannot yet diagnose which children will have difficulty.

• 不过，领导该项研究的伦敦格雷特-奥蒙大街医院的伊莉莎白博士说，现在还不能断定那些小孩会在计算上存在困难。