Risk-taking and fairness among cocaine-dependent patients in dual diagnoses: Schizophrenia and Anti-Social Personality Disorder.

Gerardo Sabater-Grande, Gonzalo Haro, Aurora García-Gallego, Nikolaos Georgantzís, Noemí Herranz-Zarzoso, Abel Baquero

Scientific reports 2020 Jun 22

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This study reports experimental results from a clinical sample of patients with a cocaine-related disorder and dual diagnosis: Schizophrenia and Anti-Social Personality Disorder. Both types of patients as well as a non-clinical group of students performed two incentivized decision-making tasks. In the first part of the experiment, they performed a lottery-choice task in order to elicit their degree of risk aversion. In the second part, they decided in two modified dictator games aimed at eliciting their aversion to advantageous and disadvantageous inequality. It is found that the Anti-Social Personality Disorder group exhibits no significant differences from the non-clinical sample in either task. However, compared with the students' sample, subjects from the group with schizophrenia show more risk aversion and exhibit more aversion towards disadvantageous inequality.

Citation

Gerardo Sabater-Grande, Gonzalo Haro, Aurora García-Gallego, Nikolaos Georgantzís, Noemí Herranz-Zarzoso, Abel Baquero. Risk-taking and fairness among cocaine-dependent patients in dual diagnoses: Schizophrenia and Anti-Social Personality Disorder. Scientific reports. 2020 Jun 22;10(1):10120