Intellectual Development Standards for Infants at 6 Months During the growth process of infants, intellectual development is a very important aspect. For 6-month-old babies, parents need to grasp the standards for their intellectual development and understand how to promote their babies\’ intellectual development in a timely manner. This article will elaborate on the four aspects of vision, language, cognition and movement of 6-month-old babies. Vision: At 6 months old, the baby\’s eyes are sharp and he can clearly see objects five meters away. In addition, babies can