Given suitable conditions, this process can often result in a positive outcome, but Williams avoids the romantic notion that psychosis is always beneficial.

Even the DSM-IV-TR, says that "the term psychosis has historically received a number of definitions, none of which has achieved universal acceptance".

[3] William's definition does not match the dominant psychiatric viewpoint on psychosis, which characterizes it as primarily resulting from brain pathology.

[4] Neuroscience research has found that dopamine, serotonin, glutamate, and GABA all tend to functionally abnormally in those with schizophrenia.

The paper concluded that the care models used by clinicians represented an extension of practices recommended by professional organizations such as the American Psychiatric Association and not a qualitatively distinct approach.