Researchers establish what the neurodivergent community would like to see prioritised in future research on disordered eating
The researchers hope that a more collaborative approach has the potential to create a greater understanding of why autistic people and people with ADHD are more vulnerable to disordered eating and how best to aid those who need support.
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New research from Birkbeck and the Institute of Psychiatry, Psychology & Neuroscience (IoPPN) at King’s College London, has worked with members of the neurodivergent community to establish what they would like to see prioritised in future research on disordered eating.
71 neurodivergent (either autistic and/or with ADHD) adults who had experienced disordered eating responded to an online survey asking about their suggestions and preferences for future research in the field. A list of recurrent themes from this survey was then taken through to an in-depth workshop with a different group of 14 neurodivergent adults who had also experienced disordered eating. Priorities were thought about from various different angles and in terms of their potential for impact.
Dr Virginia Carter Leno, Postdoctoral Fellow at Birkbeck’s School of Psychological Sciences and the study’s senior author said, “Experiencing disordered eating is related to a variety of negative health outcomes, and it’s important that services are able to meet the needs of all service users requiring treatment. Eating disorder services need to recognise that the needs of neurodivergent service users may be different to neurotypical people, and more research is needed to better understand the drivers of disordered eating in neurodivergent people.
“Our study has worked with a range of people with lived experience to help identify what they feel needs to be the highest priorities for future research in this area. We hope this list will act as a resource to ensure that future research in the field is informed by the experienced and priorities of those with lived experience.”
Priority 1: Improving clinical outcomes
Participants identified that research relating to the improvement of services was the most urgent priority.
Subtheme 1 – Improving clinical services
Clinical services for the treatment of eating disorders often aren’t set up to accommodate the needs of neurodivergent individuals, and this can make treatment and support less effective.
Despite some progress being made in this area following the development of the PEACE Pathway, there are currently no clinical guidelines that have been agreed upon, and there has been little research conducted into the effectiveness of adapted treatments in autistic populations.
Thus, many of the top ranked priorities asked about how services could be improved and identifying and minimizing potential harms caused by unsuitable treatments.
Subtheme 2 - Improving psychoeducation and preventive medicine
Another key priority was on the availability of educational resources for neurodivergent people. While participants were clear that outcomes needed to improve, they also expressed that preventative measures and information that could help people prior to developing a clinical diagnosis could also be helpful and would empower neurodivergent people to understand their own eating behaviours.
Nick, who took part in the study, said, “My diagnosis made such a difference as it allowed me to understand myself better and to know why I have struggled. I wanted to be involved in the research due to having eating issues as a child and being yelled at due to a lack of understanding. I was always classed as a fussy eater and yet was having issues with taste and texture but could not express this. I do not want any child to go through what I did so being able to take part in the study is my way of making people aware.”
Priority 2: Identifying causal mechanisms
A second priority that became apparent through the project was the participants’ desire to understand the causal mechanisms linking neurodivergence with disordered eating.
Researchers broke this priority into two further subthemes:
Subtheme 1: Identification of risk factors
Historically, it was assumed that autistic women with anorexia were motivated by weight and body shape, based on explanatory models from neurotypical people. However, this may not be true in neurodivergent people, such that many mechanisms we think (and therefore target during treatment) lead to eating disorders may not be relevant for neurodivergent people. One potential factor that often comes up in neurodivergent people is that patterns of disordered eating may represent a response to the stress of living in a neurotypical world as a neurodivergent person. Researchers suggested an avenue of research could be to test the link between stress and disordered eating in both neurodivergent and neurotypical populations to help inform the design of prevention and intervention strategies.
Subtheme 2: The role of autistic and ADHD neurocognitive profiles
Participants asked several questions based around the idea that the cognitive profiles associated with autism and ADHD could increase someone’s vulnerability to disordered eating.
Current evidence suggests that there are links between sensory sensitivities and restrictive eating, and between executive functioning and disordered eating, but whether these factors can account for the increased risk for eating disorders in autistic and ADHD populations isn’t yet clear.