Personality disorders are deeply ingrained, rigid ways of thinking and behaving that result in impaired relationships with others and often cause distress for the individual who experiences them.

Paranoid personality disorder (PPD) is a mental health condition that causes a pattern of suspicion and mistrust of other people, even without enough evidence to support that belief. This ...

The essential feature of a delusional disorder is ... or visual hallucinations. Symptoms must be present for a least 1 month. When symptoms arise late in life, basic personality features are ...

What are the different personality disorders? The DSM-5 classifies the 10 main personality disorders into three clusters. Cluster A includes paranoid personality disorder, schizoid personality ...

On cross-section, the presence of delusions, paranoid ideation, or suspiciousness alone does not differentiate between psychotic symptoms indicative of a psychiatric disorder and those signifying ...