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The responses to this survey indicate that the majority of AAA and AAMP members are using or have used a variety of RTV silicones, pigments, and colorants in the quest to provide the best possible facial prosthetic service. Further research is needed to further refine and improve extraoral maxillofacial materials/techniques based on the results of this study.

In order to formulate a hypothesis regarding the etiology of toe walking, the sensory processing abilities of 17 mentally retarded children who toe walk were examined. A galvanic skin response was used to compare reactions of the mentally retarded children and a group of normal children to a variety of sensory stimuli. Galvanic skin response testing did not reveal significant differences between the two groups in processing sensory input. Scores of the mentally retarded children from a postrotary nystagmus test were compared to values for normal children of the same age, and the results indicated that vestibular dysfunction was present in all of the subjects. We hypothesize that children may toe walk to increase somatosensory input to the lateral vestibular nucleus (Deiter's) and the lateral vestibulospinal tract to facilitate support tone in the lower extremities during walking.

Three groups of trainable mentally retarded children participated in three different motor programs for an eight-month period. Children receiving sensory integrative therapy showed the greatest gains on test batteries for reflex integration and gross and fine motor skills. Children in a developmental physical education program demonstrated greater improvement on the same test batteries than a third group of children who participated in a recreational, adaptive physical education program and an "arts and crafts" oriented therapy program. Results of data analysis indicate that neuromotor development may be enhanced more effectively by activities which facilitate improved postural responses rather than by practice of specific motor skills.

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