An Integrated Model for Schizophrenia Care
Michael D. Rosberg, Ph.D., for ASC Treatment Group
The essays that precede this one have argued, from a number of different angles, for a particular way of thinking about schizophrenia care. Each essay has stood on its own. This closing piece pulls the threads together and names the model they describe in aggregate.
The central claim of the collection is the one that Dr. Thomas Insel made in his 2022 book, that the central problem in American mental health care is not the absence of effective treatments but the failure to deliver them in ways that actually help people recover (Insel, 2022). The clinical science has advanced. The outcomes have not kept pace. The explanation for that gap is not, in our reading, primarily about what we treat. It is about how, where, and with what relationship to the person we treat. The collection has made that argument piece by piece. This essay names the integration.
What the evidence base already supports
Specific interventions for schizophrenia have decades of supporting evidence. Cognitive behavioral therapy for psychosis has demonstrated moderate effectiveness in reducing positive symptoms and improving functioning (Wykes et al., 2008). Supported employment, particularly the Individual Placement and Support model, consistently outperforms traditional vocational rehabilitation in helping clients gain and maintain employment, with effects that generalize across health systems and national contexts (Bond et al., 2012). Motivational interviewing and shared decision-making improve adherence by treating client autonomy as a clinical variable rather than an obstacle (Miller & Rollnick, 2013). Integrated treatment for co-occurring substance use disorders improves outcomes and reduces hospitalization (Drake et al., 2004).
These interventions are not interchangeable, and they are not additive in any simple sense. Their success depends on the conditions under which they are delivered. A well-designed CBTp protocol delivered to a person who is overwhelmed, isolated, or treated as a case to be managed rather than a person to be heard will not produce the outcomes the trials predict. The interventions work. The question this collection has tried to address is what surrounds them.
The threads the collection has traced
Four threads run through the essays. Each has been developed at length elsewhere. The integration is the point of this closing piece.
The first thread is the clinical relationship itself. Medication and psychotherapy work better when the person receiving them is an active participant in decisions about their own care. Shared decision-making in prescribing improves adherence and retention (Deegan & Drake, 2006). Motivational and self-determination approaches improve change because they treat the person as the agent of that change. Self-determination theory provides the empirical grounding: intrinsic motivation and sustained behavior change depend on meeting core human needs for autonomy, competence, and relatedness (Deci & Ryan, 2000). The relationship through which treatment is delivered is part of the treatment.
The second thread is the environment. Mental health treatment has been slow to absorb what other fields long ago accepted, that physical and social settings shape behavior, cognition, and engagement. Research on the built environment as a therapeutic intervention in mental health facilities supports this position, while also noting that the direct outcome literature for severe mental illness is still developing (Rodríguez-Labajos et al., 2024; Shepley et al., 2016). The argument is not that the science is mature. The argument is that the available evidence, drawn from inpatient psychiatry, evidence-based design, and adjacent fields, already justifies treating the environment as a clinical variable rather than an aesthetic afterthought.
The third thread is attentional capacity. People with schizophrenia work with cognitive systems that have a limited capacity to gate irrelevant stimuli and that are prone to misallocate attention toward internal rather than external content. Programs designed for this population have to compete intentionally for that limited resource, and they have to do so in ways that the affected brain can sustain. This is why the activities that work, gardens, kitchens, animal care, LEGO groups, are activities that anchor attention to predictable external tasks. They are not therapy supplements. They are interventions matched to a particular cognitive reality.
The fourth thread is meaning. Even a well-designed program, delivered in a thoughtful environment, by clinicians who respect the client’s autonomy, will fail to engage if the activities on offer do not feel personally relevant to the person they are meant to serve. The occupational therapy literature has long argued that meaningful activity sits at the intersection of the person, the environment, and the task itself (Law et al., 1996). Engagement requires fit. Disengagement, in this population, is often a sign that the services have not been made personally relevant rather than a sign that the person has failed to participate.
Why the integration is the intervention
Any one of these threads, pursued in isolation, produces modest gains. The cumulative effect, when they are pursued together, is different in kind. A program in which clinical interventions are evidence-based, decisions are made with the client rather than for them, environments are matched to cognitive and emotional capacity, and activities are personally meaningful is qualitatively different from a program that does any one of these things well.
This is the model ASC has been building. Horticulture and gardening interventions, supported by meta-analytic evidence on reductions in depression and anxiety and improvements in quality of life and sense of community (Soga et al., 2017), are not amenities. They are part of an integrated approach that respects what the affected brain can manage, what the person finds meaningful, and what the program can sustain over time. The same is true of the aviary, the kitchens, the art rooms, the structured day. None of these elements is sufficient on its own. Together they produce a setting in which the evidence-based treatments the field has spent decades developing can actually do their work.
Programs that have moved in this direction show outcomes consistent with the model. A quasi-experimental evaluation of a transitional housing program for patients with severe and persistent mental illness found significant reductions in inpatient bed days and improvements in living conditions among program participants compared with matched controls (Siskind et al., 2014). The Clubhouse model, evaluated in a systematic review, shows consistent evidence of effectiveness across quality of life, employment, service use, and social relationships (McKay et al., 2018). ASC’s own observational data, presented at the American Psychiatric Association Mental Health Services Conference, showed a 54% reduction in staff interventions and a 32% drop in PRN medication use over 18 months following environmental redesign in two residential programs serving treatment-refractory clients (Rosberg et al., 2023).
The economic implications follow. Treatment-resistant schizophrenia, which affects approximately one-third of patients, generates healthcare costs three to eleven times higher than the general schizophrenia population, driven by recurrent hospitalizations, emergency services, incarceration, and the indirect costs of lost productivity (Kennedy et al., 2014). Even modest improvements in adherence and engagement, sustained across a residential program, translate into substantial reductions in acute service utilization. The economic case for the integrated model is real, and it is downstream of the clinical case rather than separate from it.
What this collection has been arguing for
None of the elements in this model is new. The integration is not new either, though it remains uncommon. The evidence base for each component is robust. The evidence base for the integration itself is what these essays, taken together, have invited the field to develop.
If there is a single claim the collection rests on, it is that the gap between what we know how to do and what people actually receive is the central problem in serious mental illness care, and that closing the gap is a matter of implementation rather than discovery. The medications work. The therapies work. The environmental research is sufficient to act on. The clinical relationship is well understood. The meaning of recovery, in its lived form, is no mystery. What remains is the will to put these elements together in places that actually function as treatment, and to do so with fidelity, with patience, and with the recognition that the people we serve are the agents of their own care.
This is what ASC has been working to demonstrate. Putting it together is not a slogan. It is the work.
References
Bond, G. R., Drake, R. E., & Becker, D. R. (2012). Generalizability of the Individual Placement and Support (IPS) model of supported employment outside the US. World Psychiatry, 11(1), 32–39. https://doi.org/10.1016/j.wpsyc.2012.01.005
Deci, E. L., & Ryan, R. M. (2000). The “what” and “why” of goal pursuits: Human needs and the self-determination of behavior. Psychological Inquiry, 11(4), 227–268. https://doi.org/10.1207/S15327965PLI1104_01
Deegan, P. E., & Drake, R. E. (2006). Shared decision making and medication management in the recovery process. Psychiatric Services, 57(11), 1636–1639. https://doi.org/10.1176/ps.2006.57.11.1636
Drake, R. E., Mueser, K. T., Brunette, M. F., & McHugo, G. J. (2004). A review of treatments for people with severe mental illnesses and co-occurring substance use disorders. Psychiatric Rehabilitation Journal, 27(4), 360–374. https://doi.org/10.2975/27.2004.360.374
Insel, T. R. (2022). Healing: Our path from mental illness to mental health. Penguin Press.
Kennedy, J. L., Altar, C. A., Taylor, D. L., Degtiar, I., & Hornberger, J. C. (2014). The social and economic burden of treatment-resistant schizophrenia: A systematic literature review. International Clinical Psychopharmacology, 29(2), 63–76. https://doi.org/10.1097/YIC.0b013e32836508e6
Law, M., Cooper, B., Strong, S., Stewart, D., Rigby, P., & Letts, L. (1996). The person–environment–occupation model: A transactive approach to occupational performance. Canadian Journal of Occupational Therapy, 63(1), 9–23. https://doi.org/10.1177/000841749606300103
McKay, C., Nugent, K. L., Johnsen, M., Eaton, W. W., & Lidz, C. W. (2018). A systematic review of evidence for the clubhouse model of psychosocial rehabilitation. Administration and Policy in Mental Health and Mental Health Services Research, 45(1), 28–47. https://doi.org/10.1007/s10488-016-0760-3
Miller, W. R., & Rollnick, S. (2013). Motivational interviewing: Helping people change (3rd ed.). Guilford Press.
Rodríguez-Labajos, L., Kinloch, J., Grant, S., & O’Brien, G. (2024). The role of the built environment as a therapeutic intervention in mental health facilities: A systematic literature review. HERD: Health Environments Research & Design Journal, 17(2), 281–308. https://doi.org/10.1177/19375867231219031
Rosberg, H., Alcantar, J., Rosberg, M. D., & Flowers, C. (2023, October 12–14). Enhanced residential settings as an augmentation of clozapine pharmacotherapy for treatment-refractory schizophrenia patients [Poster presentation]. American Psychiatric Association Mental Health Services Conference, Washington, DC, United States.
Shepley, M. M., Watson, A., Pitts, F., Garrity, A., Spelman, E., Kelkar, J., & Fronsman, A. (2016). Mental and behavioral health environments: Critical considerations for facility design. General Hospital Psychiatry, 42, 15–21. https://doi.org/10.1016/j.genhosppsych.2016.06.003
Siskind, D., Harris, M., Kisely, S., Siskind, V., Brogan, J., Pirkis, J., Crompton, D., & Whiteford, H. (2014). A retrospective quasi-experimental study of a transitional housing program for patients with severe and persistent mental illness. Community Mental Health Journal, 50(5), 538–547. https://doi.org/10.1007/s10597-013-9654-y
Soga, M., Gaston, K. J., & Yamaura, Y. (2017). Gardening is beneficial for health: A meta-analysis. Preventive Medicine Reports, 5, 92–99. https://doi.org/10.1016/j.pmedr.2016.11.007
Wykes, T., Steel, C., Everitt, B., & Tarrier, N. (2008). Cognitive behavior therapy for schizophrenia: Effect sizes, clinical models, and methodological rigor. Schizophrenia Bulletin, 34(3), 523–537. https://doi.org/10.1093/schbul/sbm114