Kanner's account went on to describe 11 young children who presented numerous unusual and contrasting characteristics including feeding problems, exceptional memorization skills, spinning of objects, lack of social attachment, attractive appearance, temper tantrums, stereotyped movements, intense concentration, repetitive actions, healthy physical bodies, lack of functional play, verbal rituals, echolalia, unusual fears, failure to speak, obsessions with routines and objects, regression and loss of verbal skills, feeble-mindedness, phenomenal written language, verbal outbursts, advanced reading, apparent functional deafness, poor understanding of pronouns, social isolation, lack of eye contact, mechanical speech, and lack of facial expression.