Tony Morrison, DClinPsy

Back in July, John Read, PhD, Tony Morrison, DClinPsy, and Rachel Waddingham, wrote the article 

Traumas, Adversities, and Psychosis: Investigating Practical Implications

. In this video, they expand on and discuss the topics of trauma and psychosis. 

is a psychologist and mental health researcher from England. He is professor of clinical psychology in the University of East London's School of Psychology. 

is a Professor of Clinical Psychology at the University of Manchester and is also Associate Director for Clinical Research at Greater Manchester West Mental Health Foundation Trust. 

is a freelance trainer and consultant, a writer, a practitioner, a researcher, speaker, PhD student at

Nottingham Trent University, and Chair for the

Videos

Joining together to discuss psychosis, 3 British experts discuss various ways to respond to and help people who have experienced both trauma and psychosis.

A Dialogue on Psychosis and Trauma

The goal of this activity is to understand that childhood adversities can play a causal role in the development of psychosis and that psycho-social interventions can be helpful when this is the case, including Cognitive Behavioral Therapy for Psychosis and Hearing Voices Groups.

After engaging with the content of this CME activity, you should be better prepared to:

1. Develop a basic understanding of the research literature regarding the relationship between childhood adversities and psychosis.

2. Be aware of the need for trauma-informed services and to ask about abuse and other adversities.

3. Consider the basic principles of cognitive behavioral therapy for psychosis.

4. Recognize the existence of Hearing Voices Groups in the US and around the world, and their basic tenets.

This continuing medical education (CME) activity is intended for psychiatrists, psychologists, primary care physicians, physician assistants, nurse practitioners, and other health care professionals who seek to improve their care for patients with mental health disorders.

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The notion that bad things happen that can drive us “crazy” has been with us for centuries. The first meta-analysis of research on the topic did not appear, however, until 2012.

 It involved the 41 most robust studies at the time, including 18 comparisons of patients with psychosis and control participants without psychiatric disorders, 10 prospective studies, and 8 general population surveys. The researchers found that psychosis was 2.8 times more likely to develop in people who had suffered one or more childhood adversities. The odds ratios for 6 specific adversities were: sexual abuse, 2.4; physical abuse, 2.9; emotional abuse, 3.4; neglect, 2.9; bullying, 2.4; parental death, 1.7. Dose response was seen in 9 of the 10 studies that tested for it. For example, a survey of 8580 people found that those subjected to one form of adversity were 1.7 times more likely to have a diagnosis of a psychotic disorder, compared with 18 times more likely for 3 adversities, and 193 times for 5.

The biological, social, and psychological mediators of the relationship have been explored.

The content of hallucinations and delusions is often related, directly or metaphorically, to childhood traumas (

 The range of childhood adversities that have been found to play a causal role includes sexual abuse, incest, physical abuse, neglect, poverty, loss (eg, of parents), bullying, being fostered/adopted, or a combination of any of these.

Relationships between specific traumas or adversities and specific psychosis symptoms have been investigated.

 The Traumagenic Neurodevelopmental Model of psychosis maps the similarities between the brains of traumatized children and adults diagnosed with schizophrenia.

, one of the UK’s leading psychosis researchers, acknowledged:

In the last 2 decades, it has become obvious that child abuse, urbanization, migration, and adverse life events contribute to the etiology of schizophrenia and other psychoses. This has been a big shift for me! My preconceptions had made me blind to the influence of the social environment.

A recent online survey explored the causal beliefs of 701 people, from 30 countries, taking antipsychotics.

 On a scale from 1 (purely biological) to 5 (purely social), the mean score was 4.2. The most common theme emanating from a thematic analysis was “social” (50%), followed by “psychological” (12%). The words 

were used by 214 people (30%), abuse or neglect were reported by 146 (21%), and loss by 46 (7%). 

A report from a large epidemiological study concluded: “Adverse childhood experiences among people with psychosis are common. . . . Mental health professionals should routinely enquire about all types of adversities in this group and provide effective service responses.”

 Unfortunately, recent findings indicate that most internation users of mental health services are never asked about trauma or abuse, that services often fail to respond therapeutically to disclosures thereof, and that people with psychosis fare particularly badly on both counts

Contrary to some claims, patients who have a diagnosis of schizophrenia or other psychotic disorders are no more likely to falsely allege abuse than anyone else.

 Another belief masking the relationship is the backwards/circular logic notion that once trauma is identified in the life of someone experiencing psychosis, the diagnosis should change to posttraumatic stress disorder.

Ideally, what is required is a trauma-informed approach, a strategy pioneered in the US.

 The key components are recognition by all clinical staff that most mental health problems (including psychosis) can be conceptualized and treated through a trauma and/or adversity lens, and understanding that re-traumatization via force and compulsion is to be avoided. For many mental health professionals, the first step is learning when and how to ask about events like childhood abuse and neglect, and how to respond therapeutically to disclosures.

 presents the principles underpinning how to effectively elicit information about abuse and therapeutic responses to disclosures, whether spontaneous or as a result of asking a patient.

A range of treatment models are well suited to address trauma and psychosis, including psychodynamic psychotherapy, open dialogue, family therapy, acceptance and commitment therapy, and, of course, trauma therapy, which was pioneered in the US by Judith Herman, MD.

 There are 2 other approaches, both of which are particularly well established in the UK.

Cognitive behavioral therapy for psychosis

CBT for psychosis (CBTp) is a collaborative and problem-orientated approach, working toward goals identified by the patient.

 Given the prevalence of adversity and childhood/adult trauma, it is unsurprising that a significant proportion of the work involves trauma-focused interventions. There is a recognition that CBTp should address traumatic experiences and should acknowledge and validate the influence such experiences have on current mental health.

CBTp must be delivered in the context of a good therapeutic relationship, and the interpersonal effectiveness of the therapist is important. CBTp emphasizes the normalization of psychotic experiences. It provides information regarding prevalence and causation to help people understand that experiences such as hearing voices and paranoid thoughts may be more common than people expect and can be understandable responses to life events such as interpersonal trauma, bereavement and loss, and substance use. This approach helps to reduce distress and internalized stigma as well as promote empowerment.

CBTp often involves the development of new coping strategies to reduce distress and increase functioning. These include trauma-focused approaches such as grounding techniques to manage trauma sequalae (eg, flashbacks, unwanted memories) and dissociative experiences. CBTp helps people explore the meaning of traumatic events, with an emphasis on reduction of self-blame, guilt, and shame by re-evaluation, evidential analysis, and development of alternative narrative accounts. It can include contextualization of unprocessed trauma memories using reliving approaches. Clinicians are often reluctant to treat people with psychosis with exposure to trauma memories, as they fear it might make the psychotic symptoms worse or lead to destabilization. However, recent studies have shown that such trauma-focused approaches can be integrated within CBTp and be safe and helpful.

 Another important aspect of CBTp is the emphasis on active participation by use of behavioral experiments to evaluate safety and current sense of threat, testing beliefs by changing behavior in the real world. In addition, engagement in tasks between sessions is important in relation to achieving the best outcomes.

There are more than 50 clinical trials of CBTp, with recent meta-analyses finding small to moderate effect sizes. These findings have led to it being recommended as a treatment for people who meet criteria for a diagnosis of schizophrenia and other psychoses in international guidelines.

 Specific to trauma-focused CBTp, systematic reviews conclude that it can be safe and effective in patients who have a diagnosis of psychosis and schizophrenia.

 Recent reviews and individual studies have also concluded that there is little evidence to suggest that trauma-focused CBTp leads to symptom exacerbations or adverse events; indeed, one study found a reduction in re-victimization compared with a waiting list condition

Hearing Voices Groups are peer support groups for people who hear voices, see visions, or have other unusual sensory experiences. The groups are a survivor-led initiative that aims to create a safe space to talk about difficult experiences without fear of judgement or stigmatization. They originated in the Netherlands during the late 1980s as a result of the work of Professor Marius Romme, MD, PhD, (social psychiatrist), Sandra Escher, PhD, (journalist/researcher), and Patsy Hague (voice-hearer). There are now national networks of groups in 34 countries including the US (www.hearingvoicesusa.org), England, Serbia, Brazil, Japan, Italy, and Australia. Groups are in inpatient wards, forensic units, prisons, immigration and removal centers, child and adolescent mental health centers, and the general community. National networks are connected through the International Hearing Voices Movement supported by the UK-registered charity Intervoice (

). This organization includes online networking and an annual International Hearing Voices Congress for voice hearers, their loved ones, clinicians, and academics.

Rather than provide treatment, Hearing Voices Groups prioritize connection and exploration.

 The role of the facilitators, therefore, is to “lead by listening,” supporting the group’s safety and development by encouraging collaborative decision-making and an ethos of mutual support.

 Facilitators often have personal experience of hearing voices but also include mental health professionals and other allies. A key tenet of is a commitment to respect people’s right to understand their experiences in their own way.

 This can be difficult for clinicians who feel that unusual or delusional explanations should be challenged, especially in acute psychosis. However, given both the denial of trauma many survivors fear, and the way trauma and adversity can relate to themes within psychosis, rejecting fragmentary or confusing narratives risks also rejecting the person’s truths.

 Just as collective sharing of trauma narratives can create “a common bond of humanity when we understand that we come to the table of dialogue with different kinds of trauma, all of which are important,”

 the explicit pluralism of Hearing Voices Groups may provide a safe structure for members to hear and be heard. According to a survey of members of English Hearing Voices Groups, although 95% were mental health service users, the strongest results included members feeling that groups provide a safe and confidential space to discuss difficult things, and support that is unavailable elsewhere.

Not considered an intervention in itself, the research around Hearing Voices Groups remains limited.

 However, the small-scale research paints a consistent picture. The groups provide

increased ability to talk about the voices

increased understanding of one’s experience

an increased engagement with coping strategies

These potential benefits complement the phased approach to recovery from trauma: safety, exploration, and (re)connection.

Hearing Voices Groups are not a panacea. Like all approaches, they are not universally helpful, with a small minority of participants finding that they experience “small negative shifts” after attending group meetings and feeling certain topics can be marginalized.

 Although 35% of the respondents to the English Hearing Voices Groups survey found groups distressing at times, the extent of the benefits endorsed in the survey suggest that groups can be helpful despite the challenges of discussing difficult material.

 Because the discussion in the groups is often difficult (eg, trauma, adversity) and such challenges are an inherent aspect of these groups it differentiates them from other social gatherings.

 For those who wish to attend them, Hearing Voices Groups can support people with a diagnosis indicative of psychosis and can have particular benefits for those with experience of trauma.

We trust this brief introduction noting how traumas and adversities can contribute to psychosis as well as the challenging but rewarding nature of person-centered responses is helpful. For readers wishing to learn more, there are several worthy books to consider. Similarly, the International Society for Psychological and Social Approaches to Psychosis may also be of interest.

Recently, the Hearing Voices Network—England, published the article, “COVID-19: How Can We Support Each Other (and Ourselves),” which offers sources of support and information for people who hear voices.

 Much of the information contained therein is relevant for the rest of us, including health care professionals.

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2. Shevlin M, Houston J, Dorahy M, et al. Cumulative traumas and psychosis: an analysis of the National Comorbidity Survey and the British Psychiatric Morbidity Survey. 

3. Alameda L, Rodriguez V, Ewan C, et al. A systematic review on psychological and biological mediators between adversity and psychosis: potential targets for treatment. medRXiv. 2020.

4. Read J, Fosse R, Moskowitz A, et al. The traumagenic neurodevelopmental model of psychosis revisited. 

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, 2nd ed. London: Routledge; 2013: 249-275.

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12. Murray R. Mistakes I have made in my research career. 

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16. Read J, Harper D, Tucker I, et al. A. How do mental health services respond when child abuse or neglect become known? A literature review. 

17. Gayer-Anderson C, Reininghaus U, Paetzold I, et al. A comparison between self-report and interviewer-rated retrospective reports of childhood abuse among individuals with first-episode psychosis and population-based controls. 

18. Substance Abuse and Mental Health Services Administration. Trauma-Informed Care and Alternatives to Seclusion and Restraint. Washington, DC; 2014.

19. Read J, Hammersley P, Rudegeair T. Why, when and how to ask about child abuse. 

20. Bloomfield M, Yusuf F, Srinivasan R, et al. Trauma-informed care for adult survivors of developmental trauma with psychotic and dissociative symptoms: a systematic review of intervention studies. 

A Casebook of Cognitive Therapy for Psychosis

24. Brabban A, Byrne R, Longden E, et al. The importance of human relationships, ethics and recovery-orientated values in the delivery of CBT for people with psychosis. Psychosis. 2016;9:157-166.

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30. Hearing Voices Network USA. HVN-USA Charter. 

http://www.hearingvoicesusa.org/hvn-usa-charter

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http://www.hearing-voices.org/about-us/hvn-values/

33. Hardy A, Fowler D, Freeman D, et al. Trauma and hallucinatory experience in psychosis. 

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Articles

Childhood adversities can play a causal role in the development of psychosis and psycho-social interventions can be helpful.