There are many similarities between the schizotypal and schizoid personalities. The Cluster A disorders, paranoid, schizoid, and schizotypal, are broadly the most common. It also may be seen in severe depressive states and schizoid personality disorder. He was diagnosed with schizoid personality disorder. Absent-mindedness is also noticed as a common characteristic of personalities with schizoid personality disorder. People with schizoid personality disorder rarely seek treatment for their condition. Or he will be resigned and will display schizoid tendencies. During this period, Lake was first diagnosed with schizoid personality disorder. Beta blockers have also been used for the treatment of schizoid personality disorder. On the Occurrence of the Isakower Phenomenon in a Schizoid Disorder. Most, if not all, must be present to diagnose a schizoid disorder. Studies on the schizoid personality have developed along two distinct paths. Bullying is particularly common towards schizoid individuals. The unloved child attempts to avoid further emotional rebuffs by becoming increasingly "schizoid". Malcolm Jack from the same newspaper viewed it as "entertainingly schizoid".