PhD Presentation

Rebecca Roberts-Davis Dr Alex Lau-Zhu Professor Geoff Bird Professor Robin Murphy

Understanding Anxiety Problems in Autism

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Anxiety in Autism

A recent assessment of various studies showed that approximately 20% of autistic people have a co-occurring anxiety disorder (Lai et al, 2019) It has been established that differences in the quality of autistic peoples’ lives is influenced by mental health symptoms (Oakley et al, 2021) Additionally, autistic adults reported mental health conditions and mental well-being as their number one priority for research (Cage et al, 2024)

One proposed cause for anxiety in autism is 'intolerance of uncertainty' - a negative bias affecting how someone perceives and responds to uncertainty Previous studies have looked at intolerance of uncertainty using questionnaires or tasks which do not represent the daily lives of autistic people (Jenkinson et al, 2020) Moreover, it could be that uncertainty only impacts anxiety when the situation is inherently negative, for example, going to the dentist

Study 1

• You are going to see a positive or negative image
• You will either see a description of the image or a random fact
• At three points, you will be asked to show how distressed you are

The Uncertainty in Pictures (UP) Task

Neurotypical Group

Autistic Group

Predictions

Qualitative Research can be used to gain a much more nuanced, in-depth account of how anxiety problems are experienced by an autistic individual Previous qualitative studies have only asked about 'external' causes of anxiety, for example, (Trembath et al, 2012) No work currently has explicitly asked autistic people to agree with or dispute the ideas researchers hold about anxiety

Qualitative Research

Mental Imagery

Attentional Biases

Repetitive Thinking

Intolerance of Uncertainty

Internal Causes of Anxiety

Simplified version of the UP task Higher data quality controls Large sample

Follow Up Plans

What is Autistic Adults' Internal Experience of Their Anixety?

How Different are Questionnaires of Anxiety from Questionnaires of Autism?

Study 3

Study 2

Study 1

What is the Role of Intolerance of Uncertainty?

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