These developmental processes are similar to the development of grasping movements in children as measured by optoelectronic analysis, which was shown to last until the end of first decade of life. The coordination between hand transport and grip formation especially improved in those up to 12 years of age, the oldest subjects of the sample. The Forssberg group found that the temporal and force parameters of precision grip movements continued to develop in children, adolescents and adults. Despite the ongoing development, beyond the age of 8 years difference with adults were not significant