Varieties of Impulsivity in Opiate and Stimulant Users

Decision-making in stimulant and opiate addicts in protracted abstinence: evidence from computational modeling with pure users

W. Ahn, G. Vasilev, Sung-Ha Lee, et al.. (2014). Frontiers in Psychology. Cited 178 times. https://doi.org/10.3389/fpsyg.2014.00849

Impulsivities and addictions: a multidimensional integrative framework informing assessment and interventions for substance use disorders

J. Vassileva, P. Conrod. (2018). Philosophical Transactions of the Royal Society B. Cited 84 times. https://doi.org/10.1098/rstb.2018.0137

Utility of Machine-Learning Approaches to Identify Behavioral Markers for Substance Use Disorders: Impulsivity Dimensions as Predictors of Current Cocaine Dependence

W. Ahn, D. Ramesh, F. Moeller, et al.. (2016). Frontiers in Psychiatry. Cited 73 times. https://doi.org/10.3389/fpsyt.2016.00034

The Outcome-Representation Learning Model: A Novel Reinforcement Learning Model of the Iowa Gambling Task

Nathaniel Haines, J. Vassileva, W. Ahn. (2018). Cognitive science. Cited 57 times. https://doi.org/10.1111/cogs.12688

Machine-learning identifies substance-specific behavioral markers for opiate and stimulant dependence.

Woo-Young Ahn, J. Vassileva. (2016). Drug and alcohol dependence. Cited 52 times. https://doi.org/10.1016/j.drugalcdep.2016.02.008

Sex differences on the four‐facet model of psychopathy predict physical, verbal, and indirect aggression

N. Thomson, K. Bozgunov, Elena Psederska, et al.. (2019). Aggressive Behavior. Cited 46 times. https://doi.org/10.1002/ab.21816

Psychopathic heroin addicts are not uniformly impaired across neurocognitive domains of impulsivity.

J. Vassileva, Stefan Georgiev, E. Martin, et al.. (2010). Drug and alcohol dependence. Cited 40 times. https://doi.org/10.1016/j.drugalcdep.2010.09.021

A computational model of the Cambridge gambling task with applications to substance use disorders.

Ricardo J. Romeu, Nathaniel Haines, W. Ahn, et al.. (2019). Drug and alcohol dependence. Cited 34 times. https://doi.org/10.1016/j.drugalcdep.2019.107711

Psychopathy in Bulgaria: The cross-cultural generalizability of the Hare Psychopathy Checklist

Michael J. Wilson, C. Abramowitz, G. Vasilev, et al.. (2014). Journal of Psychopathology and Behavioral Assessment. Cited 33 times. https://doi.org/10.1007/S10862-014-9405-6

Heroin and amphetamine users display opposite relationships between trait and neurobehavioral dimensions of impulsivity.

J. Vassileva, J. Paxton, F. Moeller, et al.. (2014). Addictive behaviors. Cited 30 times. https://doi.org/10.1016/j.addbeh.2013.11.020

Neurocognitive and psychiatric dimensions of hot, but not cool, impulsivity predict HIV sexual risk behaviors among drug users in protracted abstinence

Michael J. Wilson, J. Vassileva. (2016). The American Journal of Drug and Alcohol Abuse. Cited 28 times. https://doi.org/10.3109/00952990.2015.1121269

Testing the factor structure underlying behavior using joint cognitive models: Impulsivity in delay discounting and Cambridge gambling tasks.

Peter D. Kvam, Ricardo J. Romeu, Brandon M. Turner, et al.. (2019). Psychological methods. Cited 24 times. https://doi.org/10.31234/osf.io/4hw73

Decision-Making Under Risk, but Not Under Ambiguity, Predicts Pathological Gambling in Discrete Types of Abstinent Substance Users

Michael J. Wilson, J. Vassileva. (2018). Frontiers in Psychiatry. Cited 20 times. https://doi.org/10.3389/fpsyt.2018.00239

Opioid Use in the Twenty First Century: Similarities and Differences Across National Borders

G. Vasilev, S. Milcheva, J. Vassileva. (2016). Current Treatment Options in Psychiatry. Cited 18 times. https://doi.org/10.1007/s40501-016-0089-2

Validation of the Substance Use Risk Profile Scale (SURPS) With Bulgarian Substance Dependent Individuals

E. Long, S. Milcheva, Elena Psederska, et al.. (2018). Frontiers in Psychology. Cited 15 times. https://doi.org/10.3389/fpsyg.2018.02296

Neurocognitive and psychiatric markers for addiction: Common vs. specific endophenotypes for heroin and amphetamine dependence.

E. Long, R. Kaneva, G. Vasilev, et al.. (2020). Current topics in medicinal chemistry. Cited 15 times. https://doi.org/10.2174/1568026620666200131124608

Relationships Between Alexithymia and Psychopathy in Heroin Dependent Individuals

Elena Psederska, S. Savov, N. Atanassov, et al.. (2019). Frontiers in Psychology. Cited 12 times. https://doi.org/10.3389/fpsyg.2019.02269

Validation of the Levenson Self-Report Psychopathy Scale in Bulgarian Substance-Dependent Individuals

Elena Psederska, Georgi P. Yankov, K. Bozgunov, et al.. (2020). Frontiers in Psychology. Cited 11 times. https://doi.org/10.3389/fpsyg.2020.01110

Physical Abuse Explains Sex Differences in the Link Between Psychopathy and Aggression

N. Thomson, K. Bozgunov, Elena Psederska, et al.. (2019). Journal of Interpersonal Violence. Cited 10 times. https://doi.org/10.1177/0886260519865956

Effects of Psychopathy on Neurocognitive Domains of Impulsivity in Abstinent Opiate and Stimulant Users

Elena Psederska, N. Thomson, K. Bozgunov, et al.. (2021). Frontiers in Psychiatry. Cited 10 times. https://doi.org/10.3389/fpsyt.2021.660810

Childhood Symptoms of ADHD and Impulsivity in Abstinent Heroin Users

L. Segalà, G. Vasilev, I. Raynov, et al.. (2015). Journal of Dual Diagnosis. Cited 9 times. https://doi.org/10.1080/15504263.2015.1104482

Fluid Intelligence Moderates the Link Between Psychopathy and Aggression Differently for Men and Women

N. Thomson, Salpi S. Kevorkian, K. Bozgunov, et al.. (2020). Journal of Interpersonal Violence. Cited 5 times. https://doi.org/10.1177/0886260520943718

Neurocognitive performance in drug-dependent males and females with posttraumatic stress disorder symptoms

J. Paxton, J. Vassileva, R. Gonzalez, et al.. (2012). Journal of Clinical and Experimental Neuropsychology. Cited 1 times. https://doi.org/10.1080/13803395.2012.665436