Peer-Reviewed Journal Articles

Kirkpatrick, B., Gilroy, S. P., & Leader, G. (2019). Qualitative study on parents’ perspectives of the familial impact of living with a child with autism spectrum disorder who experiences insomnia. Sleep Medicine. In Press. Link to article

Dunne, E., Santorelli, A., McGinley, B., Leader, G., O’Halloran, M., & Porter, E. (2018). Image-based Classification of Bladder State using Electrical Impedance Tomography. Physiological Medicine. In Press. Link to article

Kirkpatrick, B., Leader, G., & Louw, J. (2018). Efficacy of parent training incorporated in behavioural sleep interventions for children with Autism Spectrum Disorder and/or Intellectual Disabilities: A systematic review. Sleep Medicine, 53, 141-152. Link to article

Gilroy, S. P., McCleery, J. P., & Leader, G. (2018). A pilot community-based randomized comparison of Speech Generating Devices and the Picture Exchange Communication System for children diagnosed with Autism Spectrum Disorder. Autism Research, 11, 1701-1711. Link to article

Berenguer, C., Rosello, B., & Leader, G. (2018). A review of executive functions in autism spectrum disorder and attention deficit hyperactivity disorder. Journal of Educational and Developmental Psychology, 8(2), 107-119. Link to article

 

Leader, G., Grennan, S., Chen, J.L., & Mannion, A. (2018). An investigation of Gelotophobia in individuals with a diagnosis of high-functioning Autism Spectrum Disorder. Journal of Autism and Developmental Disorders, 48(12), 4155-4166. Link to article

Grennan, S., Mannion, A., & Leader, G. (2018). Gelotophobia and high-functioning Autism Spectrum Disorder. Review Journal of Autism and Developmental Disorders, 5(4), 349-359. Link to article

Gilroy, S.P., Kaplan, B.A., & Leader, G. (2018). A systematic review of applied behavioral economics in assessments and treatments for individuals with developmental disabilities. Review Journal of Autism and Developmental Disorders, 5(3), 247-259. Link to article

 

Dunne, E., Santorelli, A., McGinley, B., Leader, G., O’Halloran, M., & Porter, E. (2018). Supervised Learning Classifiers for Electrical Impedance-based Bladder State Detection. Scientific Reports, 8(1), 5363. Link to article

Leader, G., Francis, K., Mannion, A., & Chen, J. (2018). Toileting Problems in children and adolescents with parent reported diagnoses of autism spectrum disorder. Journal of Developmental and Physical Disabilities, 30(3), 307-327. Link to article

Clifford Simplican, S., Shivers, C., Chen, J., & Leader, G. (2018). “With a Touch of a Button”: Staff perceptions on integrating technology in an Irish service provider for people with intellectual disabilities. Journal of Applied Research in Intellectual Disabilities, 31(1), 130-139. Link to article

 

Francis, K., Mannion, A., & Leader, G. (2017). The Assessment and Treatment of Toileting Difficulties in Individuals with Autism Spectrum Disorder and Other Developmental Disabilities. Review Journal of Autism and Developmental Disorders, 4(3), 190-204. Link to article

Gilroy, S. P., McCleery, J. P., & Leader, G. (2017). Systematic Review of Methods for Teaching Social and Communicative Behavior with High-Tech Augmentative and Alternative Communication Modalities. Review Journal of Autism and Developmental Disorders, 4(4), 307-320. Link to article

Reilly, J., Gallagher, L., Chen, J. L., Leader, G., & Shen, S. (2017). Bio-collections in autism research. Molecular autism, 8(1), 34. Link to article

Mannion, A., & Leader, G. (2016). An investigation of comorbid psychological disorders, sleep problems, gastrointestinal symptoms and epilepsy in children and adolescents with autism spectrum disorder: A two year follow-up. Research in Autism Spectrum Disorders, 22, 20-33. Link to article

Kelly, M. P., Leader, G., & Reed, P. (2016). Factors producing over-selectivity in older individuals. AGE, 38(3), 1-10. Link to article

Sigurjónsson, J. G., Keane, M., Denis, O. H., Stewart, I., Leader, G. (2016). Electrophysiological activity during stimulus class formations. Journal of Behaviorology, 19(1), 3-26.

Kelly, M., Leader, G., & Reed P. (2015). Stimulus over-selectivity and extinction-induced recovery of performance as a product of intellectual impairment and autism severity.  Journal of Autism and Developmental Disorders, 45(10), 3098-3106. Link to article

 

Newman, I., Leader, G., Chen, J. L., & Mannion, A. (2015). An analysis of challenging behavior, comorbid psychopathology, and Attention-Deficit/Hyperactivity Disorder in Fragile X Syndrome. Research in Developmental Disabilities, 38, 7-17. Link to article

Williams, S., Leader, G., Mannion, A., & Chen, J. (2015). An investigation of anxiety in children and adolescents with autism spectrum disorder. Research in Autism Spectrum Disorders, 10, 30-40. Link to article

Simplican, S. C., Leader, G., Kosciulek, J., & Leahy, M. (2015). Defining social inclusion of people with intellectual and developmental disabilities: An ecological model of social networks and community participation. Research in Developmental Disabilities, 38, 18-29. Link to article

Clifford Simplican, S., & Leader, G. (2015). Counting inclusion with Chantal Mouffe: a radical democratic approach to intellectual disability research. Disability & Society, 30(5), 717-730. Link to article

 

Chen, J. L., Leader, G., Sung, C., & Leahy, M. (2015). Trends in Employment for Individuals with Autism Spectrum Disorder: a Review of the Research Literature. Review Journal of Autism and Developmental Disorders, 2(2), 115-127. Link to article

Foody, C., James, J. E., & Leader, G. (2015). Parenting Stress, Salivary Biomarkers, and Ambulatory Blood Pressure: A Comparison Between Mothers and Fathers of Children with Autism Spectrum Disorders. Journal of Autism and Developmental Disorders, 45(4), 1084-1095. Link to article

Mannion, A., Brahm, M., & Leader, G. (2014). Comorbid psychopathology in autism spectrum disorder. Review Journal of Autism and Developmental Disorders, 1(2), 124-134. Link to article

 

Mannion, A., & Leader, G. (2014). Epilepsy in autism spectrum disorder. Research in Autism Spectrum Disorders, 8(4), 354-361. Link to article

Mannion, A., & Leader, G. (2014). Gastrointestinal symptoms in Autism Spectrum Disorder: A literature review. Review Journal of Autism and Developmental Disorders, 1(1), 11-17. Link to article

Mannion, A., & Leader, G. (2014). Attention-deficit/hyperactivity disorder (AD/HD) in autism spectrum disorder. Research in Autism Spectrum Disorders, 8(4), 432-439. Link to article

Mannion, A., & Leader, G. (2014). Sleep Problems in Autism Spectrum Disorder: A literature review. Review Journal of Autism and Developmental Disorders, 1(2), 101-109. Link to article

Foody, C., James, J. E., & Leader, G. (2014). Parenting stress, salivary biomarkers, and ambulatory blood pressure in mothers of children with Autism Spectrum Disorders. Research in Autism Spectrum Disorders, 8(2), 99-110. Link to article

Healy, O., Brett, D., & Leader, G. (2013). A comparison of experimental functional analysis and the Questions About Behavioral Function (QABF) in the assessment of challenging behavior of individuals with autism. Research in Autism Spectrum Disorders, 7(1), 66-81. Link to article

Mannion, A. & Leader, G. (2013). An analysis of the predictors of comorbid psychopathology, gastrointestinal symptoms and epilepsy in children and adolescents with autism spectrum disorder. Research in Autism Spectrum Disorders, 7(12), 1663-1671. Link to article

Mannion, A., & Leader, G. (2013). Comorbidity in autism spectrum disorder: A literature review. Research in Autism Spectrum Disorders, 7(12),1595-1616. Link to article 

 

Mannion, A., Leader, G., & Healy, O. (2013). An investigation of comorbid psychological disorders, sleep problems, gastrointestinal symptoms and epilepsy in children and adolescents with Autism Spectrum Disorder. Research in Autism Spectrum Disorders, 7(1), 35-42. Link to article

 

Healy, O., Hughes, B. M., Leader, G., & Devlin, S. (2011). Response re: "Comparison of Behavioral Intervention and Sensory-Integration Therapy in the Treatment of Challenging Behavior". Journal of Autism and Developmental Disorders, 41, 1439-1441. Link to article

Devlin, S., Healy, O., Leader, G., & Hughes, B. M. (2011). Comparison of behavioral intervention and sensory-integration therapy in the treatment of challenging behavior. Journal of Autism and Developmental Disorders, 41, 1303-1310. Link to article

 

Lydon, H., Healy, O., & Leader, G. (2011). A comparison of video modeling and pivotal response training to teach pretend play skills to children with autism spectrum disorder. Research in Autism Spectrum Disorders, 5(2), 872-884. Link to article

 

McTiernan, A., Leader, G., Healy, O., & Mannion, A. (2011). Analysis of risk factors and early predictors of challenging behavior for children with autism spectrum disorder. Research in Autism Spectrum Disorders, 5(3), 1215-1222. Link to article

 

Grey I., Healy O., Leader, G., & Hayes, D (2009). Using a TIME TIMER® to increase appropriate waiting behavior in a child with developmental disabilities. Research in Developmental Disabilities, 31, 359-366. Link to article

 

Leader, G., Loughnane, A., McMoreland, C., & Reed, P. (2009). The effect of stimulus salience on over-selectivity. Journal of Autism and Developmental Disorders, 39(2), 330-338. Link to article

Devlin, S., Leader, G., & Healy, O. (2009). Comparison of behavioral intervention and sensory-integration therapy in the treatment of self-injurious behavior.  Research in Autism Spectrum Disorders, 3(1), 223-231. Link to article

McGarrell, M., Healy, O., Leader, G., O’Connor, J., & Kenny, N. (2009). Six reports of children with autism spectrum disorder following intensive behavioral intervention using the Preschool Inventory of Repertoires for Kindergarten (PIRK®). Research in Autism Spectrum Disorders, 3(3), 767-782. Link to article

Murphy, O., Healy, O., & Leader, G., (2009). Risk factors for challenging behaviour for 157 children with autism spectrum disorder in Ireland. Research in Autism Spectrum Disorders, 3, 474-482. Link to article

Reed, P., Broomfield, L., McHugh, L., McCausland, A. & Leader, G (2009). Extinction of over-selected stimuli causes emergence of under-selected cues in higher- functioning children with Autistic Spectrum Disorders. Journal of Autism and Developmental Disorders, 39, 290-298. Link to article

Devlin, S., Healy, O., Leader, G., & Reed, P. (2008). The analysis and treatment of problem behavior evoked by auditory stimulation. Research in Autism Spectrum Disorders, 2(4), 671-680. Link to article

Healy, O., O'Connor, J., Leader, G., & Kenny, N. (2008). Three Years of Intensive Applied Behavior Analysis: A Case Study. Journal of Early and Intensive Behavior Intervention, 5(1), 4-22. Link to article

Lydon, H., Healy, O., Leader, G., & Keohane, D. D. (2008). The effects of intensive tact instruction on three verbal operants in non-instructional settings by two children with autism. The Journal of Speech and Language Pathology and Applied Behavior Analysis, 30, 34-46. Link to article

 

Healy, O., Leader, G., Honan, R., Leslie, J. & Cullinan, V. (2007). Statistical Outcomes and Best Practice: A Reply. The Irish Psychologist, 34, 58-59.

 

Barnes-Holmes, D., Barnes-Holmes, Y., Smeets, P. M., Cullinan, V., & Leader, G. (2004). Relational frame theory and stimulus equivalence: Conceptual and procedural issues. International Journal of Psychology and Psychological Therapy, 4, 181-214. Link to article

Leader, G., & Barnes-Holmes, D. (2001). Establishing fraction-decimal equivalence using a respondent-type training procedure. The Psychological Record, 51(1), 151-165. Link to article

 

Leader, G., & Barnes-Holmes, D. (2001). Matching-to-sample and respondent-type training as methods for producing equivalence relations: Isolating the critical variable. The Psychological Record, 51, 429-444.  Link to article

 

Leader, G., & Barnes-Holmes, D. (2000). Establishing equivalence relations using a respondent type training procedure III. The Psychological Record, 50, 63-78. Link to article

 

Smeets, P. M., Leader, G., & Barnes, D. (1997). Establishing stimulus classes in adults and children using a respondent-type training procedure: A follow-up study. The Psychological Record, 47(2), 285-308. Link to article

Leader, G., Barnes, D., & Smeets. P. M. (1996). Establishing equivalence relations using a respondent-type training procedure. The Psychological Record, 46(4), 685-706. Link to article

 

Peer-Reviewed Book Chapters

 

Mannion, A., White, K., Porter, E., Louw, J., Kirkpatrick, B., Gilroy, S., & Leader, G. (2019). Psychosis. Handbook of Intellectual Disabilities: Integrating Theory, Research and Practice. New York: Springer. In Press.

 

Leader, G., & Mannion, A. (2016). Challenging Behaviors. In J.L. Matson (Ed.), Handbook of Assessment and Diagnosis of Autism Spectrum Disorder (pp.209-232). Switzerland: Springer. Link to chapter

Leader, G., & Mannion, A. (2015). Gastrointestinal disorders.  In J, L. Matson (Ed.), Comorbid conditions among children with autism spectrum disorders (pp. 145-170). New York: Springer. Link to chapter

Healy, O. & Leader, G. (2010). Assessment of rituals and stereotypy. In J. L. Matson, & P. Sturmey (Eds.), International handbook of autism and pervasive developmental disorders (pp.345-366). New York: Springer. Link to chapter

Healy, O., Leader, G., & Reed, P. (2009). Applied behavior analysis and the treatment of autism spectrum disorders in the republic of Ireland. In Leon V. Berhardt (Ed.). Advances in medicine and biology (pp. 66-81). Nova Science Publishers, Inc.

Leader, G. & Healy, O., & O’ Connor, J. (2008).  Early intensive behavioural intervention in the treatment of autism.  In P. Reed & Osbourne. L. (Eds.). Behavioral theories and Interventions for autism. (pp. 250-275). Arnold: London.

Barnes, D., Smeets, P. M., & Leader, G. (1996). New Procedures for establishing emergent matching performances in children and adults: Implications for stimulus equivalence. Stimulus class formation in humans and animals. (pp.151-173). North-Holland: Elsevier. Link to chapter

PUBLICATIONS

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Irish Centre for Autism &
Neurodevelopmental Research (ICAN),
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