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Andrea Bickerdike

3 papers in the library · 16 citations · publishing 2020-2022

Papers

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Latent inhibition, aberrant salience, and schizotypy traits in cannabis users

Schizophrenia Research: Cognition January 5, 2022 Christopher Dawes, Declan Quinn, Andrea Bickerdike et al.

Aberrant salience processing may underlie the link between cannabis and psychosis, as posited in individuals with schizophrenia or high schizotypy. We investigated the relative effects of cannabis use, schizotypy status, and self-reported aberrant salience experiences on salience processing, measured using a latent inhibition (LI) task (Granger et al., 2016), in a non-clinical population. A...

Cannabis Use, Schizotypy and Kamin Blocking Performance

Frontiers in Psychiatry November 23, 2021 Christopher Dawes, Andrea Bickerdike, Cian O’Neill et al. 3 citations

Cannabis use has been associated with increased risk for a first episode of psychosis and inappropriate assignment of salience to extraneous stimuli has been proposed as a mechanism underlying this association. Psychosis-prone (especially schizotypal) personality traits are associated with deficits in associative learning tasks that measure salience allocation. The aim of this study was to...

DOI: 10.3389/fpsyt.2021.633476 (opens in new tab) Cannabis Schizotypy Psychosis Salience neuroscience +5

Does cannabis use predict psychometric schizotypy via aberrant salience?

Schizophrenia Research April 6, 2020 Colm O’Tuathaigh, Christopher Dawes, Andrea Bickerdike et al. 13 citations

Cannabis can induce acute psychotic symptoms in healthy individuals and exacerbate pre-existing psychotic symptoms in patients with schizophrenia. Inappropriate salience allocation is hypothesised to be central to the association between dopamine dysregulation and psychotic symptoms. This study examined whether cannabis use is associated with self-reported salience dysfunction and schizotypal...

DOI: 10.1016/j.schres.2020.03.021 (opens in new tab) Cannabis Schizotypy Schizotypal personality disorder Clinical psychology +6