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Sensation seeking as a common factor in opioid dependent subjects and high risk sport practicing subjects. A cross
P Franques1, M Auriacombe, E Piquemal
1Groupe d'études des Addictions, Laboratoire de Psychopathologie et d'Epidémiologie Psychiatrique (JE2358), IFR de Santé Publique (INSERM-IFR no 99), Université Victor Ségalen Bordeaux 2, Bordeaux, France.
Objective:
Animal research has outlined a vulnerability trait to drug dependence like behavior. The behavioral characteristic of this vulnerability is hyperactivity in response to a novel environment of which sensation seeking (SS) has been suggested as a possible equivalent in humans. If this is the case, SS should be more frequent in drug dependent and risky sports practicing subjects then controls. The objective of this study was to determine if opioid dependent subjects (ODS) and regular paragliders (RP) would be more SS then normal controls.
Design:
Cross sectional study.
Participants:
Three groups of 34 individuals (total 102) matched for age and sex were selected from ODS seeking treatment, a paragliding club, and a college staff.
Main Outcome Measures:
Global and sub-scores of the Zuckerman sensation seeking scale (SSS).
Results:
Non parametric statistics (Kruskal Wallis and Wilcoxon 2-Sample Tests) were used given the non-normal distribution of SSS scores in the ODS and RP groups. Significant differences were found across the three groups for the Thrill and Adventure Seeking (TAS) (P = 0.001), dishinibition (Dis) (P = 0.0003) and total score (P = 0.001). ODS and RP scored significantly higher than controls on two (Dis and the TAS scales). RP also scored significantly higher on the Boredom Susceptibility (BS) scale (P = 0.04).
Conclusion:
Our results show that RP and ODS differ from controls and have some similarities based on the SSS. In this study, the ODS and the RP could express different forms of a general tendency to seek intense and abrupt sensations through various behaviors. Our results in humans are in favor of the hypothesis that the behavioral trait of vulnerability to drug dependence behavior is expressed through SS.