“…These writers include Haas (1918), Copeland (1940), Spitz (1951), Moore (1942), Higgins (1942), Neff (1940), Lippman (1928, Bonar (1935) and Miller (1948). The manifestations of hypertonicity given by these writers include such diverse signs and symptoms as an exaggerated Moro reflex, sharp response to sudden light, vigorous crying when having a bath, tenseness, excessive crying, wakefulness, pylorospasm, vomiting, spastic constipation, diarrhoea, abdominal distension, visible peristalsis, cardiospasm, tetany, overaction of the involuntary muscles, general spasticity or rigidity, the 'ability to support the body on the legs at 6 weeks', and to 'hold the head up almost from birth', the 'ability to grasp objects in the first few days of life', unusual alertness, pruritis ani, poor weight gain and many other conditions.…”