As in a phase of normal developmental obstacles or abnormal, can appear the normal growth stage of form.

如在某一个阶段的正常发育过程中发生障碍或异常，则可出现该阶段正常发育形态的畸形。

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Each stage has its normal developmental missions and tasks that you can identify and work through in many different ways.

其中每个阶段都有标准的启发性任务和目标，你可以根据自己的情况多方面灵活采纳。

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Since fetuses that have developmental problems take longer to habituate than normal fetuses, these types of studies may help indicate fetuses that are at risk for certain conditions.

因为有发育问题的胎儿比正常胎儿需要更长时间去适应，这些类型研究有助于指出胎儿对某些条件是有危险的。

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And I think to a certain extent, that learning how to handle that, learning how to handle that appropriately, is a normal developmental process.

FORBES: Ferguson on Better Research, Addressing Causes of Aggression and Mental Illness and Being Involved with Children's Video Game Content