Mr perry , of ilford in essex , endured a decade of tests before the illness was diagnosed .
来自埃塞克斯州ilford的perry先生，不得不忍受了10年的各项检查，怪病才最终得以诊断。
Professor elaine fox at essex university showed more than 100 people positive and negative pictures on a computer screen , such as growling dogs and smiling children .
