6 Ability to identify visual symbols within experience Beginning understanding of language and abstract Tactile differentiation of miniature objects. 5 Ability to discriminate dissimilar and similar pictures Understanding of 25 words Tactile differentiation of medium size objects. 4 Ability to converge eyes, simply depth perception Consistent ability to understand 2 words Tactile ability to discriminate the third dimension. Volitional prehensile grasp 2 Non-aberrated cross pattern crawling Consistent vital crying in response to threatening sounds or events Ability to release object grasped. 1 Random motion of arms and legs.
Birth cry present.
Reflex ability to grasp object. Used with permission 2000. Taken from Doman, Robert Jr. Guide to Child Development and Education. Parent Education series. An organized brain makes a world of difference, even infants.