The patient showed typical signs of isolation and was diagnosed as schizoid.

schizoid 是由希腊词根 schizo-（分裂）和后缀 -oid（类似...的）组成的形容词，字面意思是"类似分裂的"。在心理学中特指"分裂样人格障碍"，表现为情感淡漠、社交回避等特征。