维格勒及其研究小组称，目前有关儿童饮食与学习成绩的多数研究主要着眼于吃早餐的重要性，以及饥饿和营养不良可能导致的后果。

To date, Veugelers and his team say, most research on diet and school performance has focused on the importance of eating breakfast, as well as the ill effects of hunger and malnutrition.

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学习困难儿童社会知觉水平低、社会技能缺乏、语言困难、学习成绩差、缺乏独立性、社会行为不良、注意缺陷等。

This lies in their low social perception, social skill deficits, language difficulties, low academic achievements, independence shortage, social behavior disorders, attention deficits and so on.

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