Overlapping dimensional phenotypes of impulsivity and compulsivity explain co-occurrence of addictive and related behaviors

J Tiego; S Oostermeijer; L Prochazkova; L Parkes; A Dawson; G Youssef; E Oldenhof; A Carter; RA Segrave; LF Fontenelle; M Yücel

Journal article

Overlapping dimensional phenotypes of impulsivity and compulsivity explain co-occurrence of addictive and related behaviors

J Tiego, S Oostermeijer, L Prochazkova, L Parkes, A Dawson, G Youssef, E Oldenhof, A Carter, RA Segrave, LF Fontenelle, M Yücel

CNS Spectrums | CAMBRIDGE UNIV PRESS | Published : 2019

DOI: 10.1017/S1092852918001244

Abstract

Objective: Impulsivity and compulsivity have been implicated as important transdiagnostic dimensional phenotypes with potential relevance to addiction. We aimed to develop a model that conceptualizes these constructs as overlapping dimensional phenotypes and test whether different components of this model explain the co-occurrence of addictive and related behaviors. Methods: A large sample of adults (N = 487) was recruited through Amazon's Mechanical Turk and completed self-report questionnaires measuring impulsivity, intolerance of uncertainty, obsessive beliefs, and the severity of 6 addictive and related behaviors. Hierarchical clustering was used to organize addictive behaviors into homo..

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University of Melbourne Researchers

Sanne Oostermeijer Author

Grants

Awarded by National Health and Medical Research Council

Funding Acknowledgements

Jeggan Tiego was supported by National Health and Medical Research Council (NHMRC) Project Grants 1002458 and 1046054. Linden Parkes and Andrew Dawson were supported by Australian Postgraduate Awards. Adrian Carter was supported by an NHMRC Career Development Fellowship (APP1123311); Rebecca Segrave was supported by the David Winston Turner Endowment Fund; Leonardo F. Fontenelle was supported by a Scientist of Our State scholarship from the Foundation for Research Support of the State of Rio de Janeiro (FAPERJ) (E-26/103.252/2011 & E-26/201.305/2014) and a Research Productivity (PQ-2014) scholarship from the National Council for Scientific and Technological Development (CNPq) (E-26/308237/2014-5); Murat Yucel was supported by a NHMRC Principal Research Fellowship (APP1117188) and the David Winston Turner Endowment Fund. Sanne Oostermeijer, Luisa Prochazkova, George Youssef, and Erin Oldenhof have nothing to disclose.