Michael S. Ritsner
Editor

2011

Phenotypic and Endophenotypic
Presentations

Schizophrenia spectrum and related disorders such as schizoaffective and mood disorders,
schizophreniform disorders, brief psychotic disorders, delusional and shared psychotic disorders, and personality (i.e., schizotypal, paranoid, and schizoid personality) disorders are the most debilitating forms of mental illness, worldwide.