No impaired integration in psychopathy: Evidence from an illusory conjunction paradigm
Date
2023
Authors
Gunschera, L.J.
Verschuere, B.
Murphy, R.A.
Temple-McCune, A.
Dutton, K.
Fox, E.
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Journal Title
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Journal article
Citation
Personality Disorders: Theory, Research, and Treatment, 2023; 14(5):479-489
Statement of Responsibility
Lukas J. Gunschera, Bruno Verschuere, Robin A. Murphy, Alexander Temple-McCune
Conference Name
Abstract
Progress in psychopathy research has been hampered by ongoing contention about its fundamental cause. The Impaired Integration theory of psychopathy provides an attention-based account of information integration abnormalities. We set out to evaluate the suggested mechanism via an innovative application of the well-established illusory conjunction paradigm. Two hundred participants were recruited by utilizing a psychopathic-trait-maximization technique, sampling individuals from an ex-prisoner and a population sample. We found no support for information integration deficits in psychopathic individuals (BF₁₀ = 0.156), and the absence of a relationship between psychopathic traits and illusory conjunctions remained when accounting for confounding variables. These findings question the mechanism proposed by the Impaired Integration theory and pave the way for future research to advance our understanding of psychopathic trait etiology by assessing specific and falsifiable mechanisms thought to bring about the observed cognitive and behavioral deficits. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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This article was published Online First May 11, 2023
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© 2023 American Psychological Association