There are some parallels that make sense, but a lot of the idealism seems a bit far fetched. His theories range from possible to borderline delusional themselves. While he had some excellent possible thought lines for child development, they do not convey into a rational mental illness concept. Genetics and upbringing make more sense and have more supporting evidence that the subconscious thought line theory. Mental illness is very apparent in family lines. Some of the more interesting individuals stem from families that have a history of mental illness. That is possible from either upbringing or a life experience.
The hormones that affect behavior have been studied and developed into an industry. Adrenaline, serotonin, Norepinephrine are amongst the few chemicals that affect the mental state of a person and can affect the mood and actions of others by extension. The production, in excess or absence, of these chemicals in the human body are affected by either genetics or incident, more often than not genetics. Incidents can include childbirth and other bodily functions and occurrence that change how the body produces its