44 THE GROWTH OF THE BRAIN. 



important for the best understanding of the form and 

 function of the human central nervous system, and its 

 changes during growth, presenting the wider view, and 

 showing the more general bearings of the observations 

 which have been discussed. 



Note to p. 37. In cases of " sporadic cretinism " arrested 

 bodily and mental development, associated with the atrophy of 

 the thyroid gland thyroid-feeding has produced in some instances 

 a remarkable increase in stature together with corresponding 

 mental improvement. Under such treatment a boy of nine years 

 grew four and one quarter inches in height in eight months, and 

 at the same time showed mental improvement. Similarly another 

 boy of nineteen years grew four and one half inches within a year. 

 The thyroid-feeding appears to supply some substance needed for 

 growth, but lacking in these individuals. Vide Thomson, Edin. 

 Med.Jour., May, 1893 5 Shuttle worth, The Hospital, March 30, 1895. 



