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All Outputs (26)

“Going through life on hard mode”- The experience of late diagnosis of autism and/or ADHD: a qualitative study (2024)
Journal Article
French, B., & Cassidy, S. (2024). “Going through life on hard mode”- The experience of late diagnosis of autism and/or ADHD: a qualitative study. Autism in Adulthood, https://doi.org/10.1089/aut.2024.0085

Background – In the UK, over 2.5 million adults with undiagnosed neurodevelopmental conditions, such as autism and ADHD, can face difficulties accessing diagnosis and support. Our qualitative study explores people’s experiences of receiving a diagnos... Read More about “Going through life on hard mode”- The experience of late diagnosis of autism and/or ADHD: a qualitative study.

The impacts associated with having ADHD: an umbrella review (2024)
Journal Article
French, B., Nalbant, G., Wright, H., Sayal, K., Daley, D., Groom, M. J., …Hall, C. L. (2024). The impacts associated with having ADHD: an umbrella review. Frontiers in Psychiatry, 15, Article 1343314. https://doi.org/10.3389/fpsyt.2024.1343314

Introduction: Attention Deficit Hyperactivity Disorder (ADHD) affects up to 5% of the population and is characterised by symptoms of impulsivity, hyperactivity and inattention. These symptoms are significantly impairing and carry additional risks for... Read More about The impacts associated with having ADHD: an umbrella review.

Measurement properties of tools used to assess self-harm in autistic and general population adults (2024)
Journal Article
Newell, V., Townsend, E., Richards, C., & Cassidy, S. (2024). Measurement properties of tools used to assess self-harm in autistic and general population adults. Clinical Psychology Review, 109, Article 102412. https://doi.org/10.1016/j.cpr.2024.102412

Autistic people are at increased risk of experiencing self-harm compared to the general population. However, it is unclear which tools are being used to assess self-harm in autistic people, or whether existing tools need to be adapted for this group.... Read More about Measurement properties of tools used to assess self-harm in autistic and general population adults.

Potential Mechanisms Underlying Suicidality in Autistic People with Attention Deficit/Hyperactivity Disorder: Testing Hypotheses from the Interpersonal Theory of Suicide (2024)
Journal Article
Moseley, R. L., Gregory, N. J., Smith, P., Allison, C., Cassidy, S., & Baron-Cohen, S. (2024). Potential Mechanisms Underlying Suicidality in Autistic People with Attention Deficit/Hyperactivity Disorder: Testing Hypotheses from the Interpersonal Theory of Suicide. Autism in Adulthood, 6(1), 9-24. https://doi.org/10.1089/aut.2022.0042

Background: Autistic people with co-occurring attention deficit/hyperactivity disorder (ADHD) appear to be at heightened risk of suicide. To understand why, we explored two explanatory mechanisms from the interpersonal theory of suicide: first, that... Read More about Potential Mechanisms Underlying Suicidality in Autistic People with Attention Deficit/Hyperactivity Disorder: Testing Hypotheses from the Interpersonal Theory of Suicide.

Applied Scenarios: Embedding Psychological Literacy in Assessment (2023)
Journal Article
Einav, S., Spence, A., Blackie, L. E., Cassidy, S., & Allen, H. A. (2024). Applied Scenarios: Embedding Psychological Literacy in Assessment. Psychology Learning and Teaching, 23(2), 224 - 234. https://doi.org/10.1177/14757257231209178

Psychological literacy refers to the ability of a psychology student to use psychological knowledge, rather than merely learn it, in the context of personal, social, and organizational issues. Embedding psychological literacy in assessment is a criti... Read More about Applied Scenarios: Embedding Psychological Literacy in Assessment.

Risks Associated With Undiagnosed ADHD and/or Autism: A Mixed-Method Systematic Review (2023)
Journal Article
French, B., Daley, D., Groom, M., & Cassidy, S. (2023). Risks Associated With Undiagnosed ADHD and/or Autism: A Mixed-Method Systematic Review. Journal of Attention Disorders, 27(12), 1393-1410. https://doi.org/10.1177/10870547231176862

Background: The two most prevalent neurodevelopmental disorders—Attention Deficit Hyperactivity Disorder (ADHD) and Autism (ASD)—(ASD/ADHD) strongly impact individuals’ functions. This is worsened when individuals are undiagnosed and risks such as in... Read More about Risks Associated With Undiagnosed ADHD and/or Autism: A Mixed-Method Systematic Review.

Is camouflaging autistic traits associated with defeat, entrapment, and lifetime suicidal thoughts? Expanding the Integrated Motivational Volitional Model of Suicide (2023)
Journal Article
Cassidy, S., McLaughlin, E., McGranaghan, R., Pelton, M., O'Connor, R., & Rodgers, J. (2023). Is camouflaging autistic traits associated with defeat, entrapment, and lifetime suicidal thoughts? Expanding the Integrated Motivational Volitional Model of Suicide. Suicide and Life-Threatening Behavior, 53(4), 572-585. https://doi.org/10.1111/sltb.12965

Introduction The current study explored whether camouflaging autistic traits is associated with defeat and entrapment and lifetime suicidal thoughts, as predicted by the Integrated Volitional Model of Suicide (IMV model). Methods 180 UK undergra... Read More about Is camouflaging autistic traits associated with defeat, entrapment, and lifetime suicidal thoughts? Expanding the Integrated Motivational Volitional Model of Suicide.

The role of anxiety and depression in suicidal thoughts for autistic and non-autistic people: A theory-driven network analysis (2023)
Journal Article
Pelton, M. K., Crawford, H., Bul, K., Robertson, A. E., Adams, J., de Beurs, D., …Cassidy, S. (2023). The role of anxiety and depression in suicidal thoughts for autistic and non-autistic people: A theory-driven network analysis. Suicide and Life-Threatening Behavior, 53(3), 426-442. https://doi.org/10.1111/sltb.12954

Background: Autistic adults experience more frequent suicidal thoughts and mental health difficulties than non-autistic adults, but research has yet to explain how these experiences are connected. This study explored how anxiety and depression contri... Read More about The role of anxiety and depression in suicidal thoughts for autistic and non-autistic people: A theory-driven network analysis.

A systematic review and meta-analysis of suicidality in autistic and possibly autistic people without co-occurring intellectual disability (2023)
Journal Article
Newell, V., Phillips, L., Jones, C., Townsend, E., Richards, C., & Cassidy, S. (2023). A systematic review and meta-analysis of suicidality in autistic and possibly autistic people without co-occurring intellectual disability. Molecular Autism, 14, Article 12. https://doi.org/10.1186/s13229-023-00544-7

Background: Suicidality is highly prevalent in autistic people without co-occurring intellectual disabilities, and high autistic traits are found in adults who have attempted suicide. However, prevalence rates for both autistic and possibly autistic... Read More about A systematic review and meta-analysis of suicidality in autistic and possibly autistic people without co-occurring intellectual disability.

Adapted suicide safety plans to address self-harm, suicidal ideation, and suicide behaviours in autistic adults: protocol for a pilot randomised controlled trial (2023)
Journal Article
Rodgers, J., Goodwin, J., Nielsen, E., Bhattarai, N., Heslop, P., Kharatikoopaei, E., …Cassidy, S. (2023). Adapted suicide safety plans to address self-harm, suicidal ideation, and suicide behaviours in autistic adults: protocol for a pilot randomised controlled trial. Pilot and Feasibility Studies, 9, Article 31. https://doi.org/10.1186/s40814-023-01264-8

Background: Suicide prevention is a national priority for the UK government. Autistic people are at greater risk of experiencing self-harm and suicidal thoughts and behaviours than the general population. Safety plans are widely used in suicide preve... Read More about Adapted suicide safety plans to address self-harm, suicidal ideation, and suicide behaviours in autistic adults: protocol for a pilot randomised controlled trial.

Non-suicidal self-injury and its relation to suicide through acquired capability: investigating this causal mechanism in a mainly late-diagnosed autistic sample (2022)
Journal Article
Moseley, R. L., Gregory, N. J., Smith, P., Allison, C., Cassidy, S., & Baron-Cohen, S. (2022). Non-suicidal self-injury and its relation to suicide through acquired capability: investigating this causal mechanism in a mainly late-diagnosed autistic sample. Molecular Autism, 13, Article 45. https://doi.org/10.1186/s13229-022-00522-5

Background Non-suicidal self-injury (NSSI) has been linked with a higher risk of suicide attempts in autistic and non-autistic people. In the general population, NSSI may confer acquired capability for suicide by eroding one’s fear and avoidance of... Read More about Non-suicidal self-injury and its relation to suicide through acquired capability: investigating this causal mechanism in a mainly late-diagnosed autistic sample.

Autism and autistic traits in those who died by suicide in England (2022)
Journal Article
Cassidy, S., Au-Yeung, S., Robertson, A., Cogger-Ward, H., Richards, G., Allison, C., …Baron-Cohen, S. (2022). Autism and autistic traits in those who died by suicide in England. British Journal of Psychiatry, 221(5), 683-691. https://doi.org/10.1192/bjp.2022.21

Background Autism and autistic traits are risk factors for suicidal behaviour. Aims To explore the prevalence of autism (diagnosed and undiagnosed) in those who died by suicide, and identify risk factors for suicide in this group. Method Stage 1: 372... Read More about Autism and autistic traits in those who died by suicide in England.

Advancing Our Understanding of Self-harm, Suicidal Thoughts and Behaviours in Autism (2020)
Journal Article
Cassidy, S. A., Robertson, A., Townsend, E., O’Connor, R. C., & Rodgers, J. (2020). Advancing Our Understanding of Self-harm, Suicidal Thoughts and Behaviours in Autism. Journal of Autism and Developmental Disorders, 50, 3445–3449. https://doi.org/10.1007/s10803-020-04643-9

Until recently, self-harm, suicidal thoughts and behaviours have not received extensive attention in autism research. The extant research evidence indicates high rates of selfharm and suicidality in autistic people, but little research exploring why,... Read More about Advancing Our Understanding of Self-harm, Suicidal Thoughts and Behaviours in Autism.

A Measurement Invariance Analysis of the Interpersonal Needs Questionnaire and Acquired Capability for Suicide Scale in Autistic and Non-Autistic Adults (2020)
Journal Article
Pelton, M. K., Crawford, H., Robertson, A. E., Rodgers, J., Baron-Cohen, S., & Cassidy, S. (2020). A Measurement Invariance Analysis of the Interpersonal Needs Questionnaire and Acquired Capability for Suicide Scale in Autistic and Non-Autistic Adults. Autism in Adulthood, 2(3), 193-203. https://doi.org/10.1089/aut.2019.0055

Background Autistic adults are more likely to engage in suicidal thoughts and behaviours but there is little research to explore the underlying reasons. It is unclear whether self-report suicide scales that have been designed for non-autistic peopl... Read More about A Measurement Invariance Analysis of the Interpersonal Needs Questionnaire and Acquired Capability for Suicide Scale in Autistic and Non-Autistic Adults.

Is Camouflaging Autistic Traits Associated with Suicidal Thoughts and Behaviours? Expanding the Interpersonal Psychological Theory of Suicide in an Undergraduate Student Sample (2019)
Journal Article
Cassidy, S. A., Gould, K., Townsend, E., Pelton, M., Robertson, A. E., & Rodgers, J. (2020). Is Camouflaging Autistic Traits Associated with Suicidal Thoughts and Behaviours? Expanding the Interpersonal Psychological Theory of Suicide in an Undergraduate Student Sample. Journal of Autism and Developmental Disorders, 50(10), 3638–3648. https://doi.org/10.1007/s10803-019-04323-3

The current study explored whether people who camouflage autistic traits are more likely to experience thwarted belongingness and suicidality, as predicted by the Interpersonal Psychological Theory of Suicide (IPTS). 160 undergraduate students (86.9%... Read More about Is Camouflaging Autistic Traits Associated with Suicidal Thoughts and Behaviours? Expanding the Interpersonal Psychological Theory of Suicide in an Undergraduate Student Sample.

Autistic traits in adults who have attempted suicide (2019)
Journal Article
Richards, G., Kenny, R., Griffiths, S., Allison, C., Mosse, D., Holt, R., …Baron-Cohen, S. (2019). Autistic traits in adults who have attempted suicide. Molecular Autism, 10(1), 1-10. https://doi.org/10.1186/s13229-019-0274-4

Background An emerging literature suggests that autistic adults are at increased risk of experiencing suicidal thoughts, making suicidal plans and attempts, and dying by suicide. However, few studies have investigated whether autistic traits are rel... Read More about Autistic traits in adults who have attempted suicide.

Experience of mental health diagnosis and perceived misdiagnosis in autistic, possibly autistic and non-autistic adults (2018)
Journal Article
Au-Yeung, S. K., Bradley, L., Robertson, A. E., Shaw, R., Baron-Cohen, S., & Cassidy, S. (2019). Experience of mental health diagnosis and perceived misdiagnosis in autistic, possibly autistic and non-autistic adults. Autism, 23(6), 1508-1518. https://doi.org/10.1177/1362361318818167

Previous research shows that autistic people have high levels of co-occurring mental health conditions. Yet, a number of case reports have revealed that mental health conditions are often misdiagnosed in autistic individuals. A total of 420 adults wh... Read More about Experience of mental health diagnosis and perceived misdiagnosis in autistic, possibly autistic and non-autistic adults.

"People like me don't get support": autistic adults' experiences of support and treatment for mental health difficulties, self-injury and suicidality (2018)
Journal Article
Camm-Crosbie, L., Bradley, L., Shaw, R., Baron-Cohen, S., & Cassidy, S. (2019). "People like me don't get support": autistic adults' experiences of support and treatment for mental health difficulties, self-injury and suicidality. Autism, 23(6), 1431-1441. https://doi.org/10.1177/1362361318816053

Autistic people are at high risk of mental health problems, self-injury and suicidality. However, no studies have explored autistic peoples’ experiences of treatment and support for these difficulties. In partnership with a steering group of autistic... Read More about "People like me don't get support": autistic adults' experiences of support and treatment for mental health difficulties, self-injury and suicidality.

Risk markers for suicidality in autistic adults (2018)
Journal Article
Cassidy, S., Bradley, L., Shaw, R., & Baron-Cohen, S. (2018). Risk markers for suicidality in autistic adults. Molecular Autism, 9, 1-14. https://doi.org/10.1186/s13229-018-0226-4

Background: Research has shown high rates of suicidality in Autism Spectrum Conditions (ASC), but there is lack of research into why this is the case. Many common experiences of autistic adults, such as depression or unemployment, overlap with known... Read More about Risk markers for suicidality in autistic adults.