Transcript
Andrea Goldschmidt Hi, my name is Andrea Goldschmidt and I’m a Clinical Psychologist and Associate Professor of Psychiatry at the University of Pittsburgh School of Medicine. And today, I’m going to be talking to you about mechanisms of loss of control eating. So, loss of control eating is a key construct involved in binge eating, which involves feeling unable to control what or how much one is eating. It may or may not be accompanied by the experience of ingesting large amounts of food. When both loss of control eating and overeating are present, this is referred to as binge eating.
So, I study loss of control eating in children and adolescents. Children and adolescents often report loss of control eating behaviours. It’s one of the most commonly reported disordered eating behaviours in children and adolescents, and the reason we studied the loss of control construct is because children and adolescents often engage in loss of control eating episodes that involve smaller amounts of food, and this is for many reasons. Children often don’t have complete autonomy around what food is available in their homes and are not able to ingest large amounts of food at any time, as adults might be. But they often report feeling out of control with their eating, even when they’re ingesting relatively small amounts of food.
So, much of my research has focused on understanding behavioural and cognitive mechanisms that are involved in the onset and maintenance of loss of control eating in youth. In early studies, we tried to understand how dietary restraint and negative affect might precipitate binge eating episodes in youth. And this was based on literature showing that dietary restraint, so having behaviours and attitudes designed to limit one’s food intake in support of weight maintenance or weight loss, are – as well as negative affects, so the experience of having higher levels of negative emotions, sort of, at a broad trait level, were prospective predictors of loss of control and binge eating in both adults and youth.
Much of my research is focused on how these two factors might be momentary precipitants of loss of control eating in youth. So, in the moment when an adolescent is trying to restrict their eating and/or feeling negative emotions, are they more at risk for engaging in loss of control eating episodes? And unlike in the adult literature, the findings have really been mixed. So, many children who have loss of control eating episodes seem to have developed dietary restraint as a consequence of loss of control eating, rather than a cause. And the literature shows that negative affect in the moment is not a consistent predictor of loss of control eating in youth.
This has led me to try and understand how self-regulation as a general construct may be involved in the experience of loss of control eating in the moment. And self-regulation is a more general factor that can include things like dietary restraint and negative affect. You can imagine if a child has difficulties regulating their behaviour and their cognitions, they might experience particular difficulty exper – regulating their eating behaviours when they’re experiencing negative affect. So, we have looked at one specific aspect of self-regulation, executive functioning, and this is the cognitive efforts that govern goal-directed behaviours as a specific type of trait level self-regulation factor that might predict loss of control eating in youth.
And our research started by focusing on executive functioning as a trait level correlate of loss of control eating, and it’s now evolved into trying to understand how disruptions in executive functioning in the moment might be related to the experience of loss of control eating on a day-to-day basis. So, we started this research by looking more broadly at executive functioning at a trait level and we found that children with loss of control eating did experience some deficits in executive functioning relative to their peers with higher body weight who did not have loss of control eating, as well as those with a normal weight status, specifically in the domains of working memory and planning. And we’ve now tried to translate these findings into using smartphone-based assessments to understand how executive functioning, particularly planning and working memory, might relate to loss of control eating in the moment. So, we have kids come into our lab and we send them home with a smartphone, and for typically two weeks of time, we’re prompting them with questions about their eating, their mood and their executive functioning in their day-to-day lives at various timepoints throughout the day. And we’ve integrated a working memory assessment into this ecological momentary assessment protocol. So, kids will have to do things like remember information and manipulate it in real-time, and then we can look at how their performance on that task predicts later loss of control eating in their natural environment. We’re also currently testing an inhibitory control task in relation to maladaptive eating in youth, as well, and we’re looking at how sleep might impact inhibitory control in the moment to predict subsequent eating behaviour in real-time.
So, teens may experience difficulties accessing treatment for binge eating and loss of control eating. First of all, this is a highly under-recognised problem, so it might not even be apparent to the teen themselves, or their healthcare providers, that they have disordered eating problems that they might need treatment for. There’s a lot of shame and stigma in teens, especially around disordered eating behaviours, like binge eating and loss of control eating, that might prevent them from accessing care that is available. And most teens do not live in areas where there are a plethora of providers trained to deliver evidence-based treatments for binge eating and loss of control eating. So, even if they are ready and willing to undergo treatment, they may not be able to pro – find a Therapist in their area. Which means that digital tools can be really helpful for delivering interventions to teens that might not otherwise have access. And we know that cognitive behavioural therapy is a very efficacious intervention for teens with binge eating. However, to date, it has not been available in digital format.
Another project that we’re working on, which integrates understanding of self-regulation and executive functioning, is to develop a digital intervention for adolescents to use in real-time in their natural environment that integrates aspects of self-regulation training in pras – practice into a standard cognitive behavioural therapy intervention delivered in digital format. So, we can have adolescents using the intervention on their phones or computers in real-time, and at the same time, they’ll be practising self-regulation skills to improve their adherence to the cognitive behavioural interventions that we know can be efficacious for reducing binge eating and loss of control eating in teens.
So, although teens are a subset of youth who are growing in independence, in autonomy, parents can still be really important, integral, in helping support their teens in terms of developing healthier coping skills and eating habits to support regulation of their eating and weight over time. And so, we often integrate family members into interventions for teens, as well, acting as key support people to their teens, helping the implement intervention components, such as homework assignments, helping support a healthy environment that will facilitate reduction in binge and loss of control eating episodes, and generally supporting the treatment goals of their teens. And we’ll be testing out this intervention over the next year or two.
We hope to have findings to report, especially for adolescents who might have difficulties accessing cognitive behavioural therapy in their geographic region. Accessing a digital tool can really help improve access and delivery in real-time can help a lot with supporting intervention skills in the moments and contexts they’re needed most. So, we hope to have some findings to report to you over the next couple of years. Thank you so much for listening and it’s been nice chatting with you today.