2226 Influence of alcohol use disorder and comorbid psychopathology on discounting of delayed rewards
OBJECTIVES/SPECIFIC AIMS: Alcohol use disorder (AUD) has been associated with greater discounting of delayed rewards relative to healthy controls. The relationship, however, has been inconsistent, likely because previous studies had relatively small sample sizes and inadequately controlled for comor...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Julia Swan [verfasserIn] Joshua L. Gowin [verfasserIn] Matthew E. Sloan [verfasserIn] Reza Momenan [verfasserIn] Vijay A. Ramchandani [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2018 |
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| Übergeordnetes Werk: |
In: Journal of Clinical and Translational Science - Cambridge University Press, 2019, 2(2018), Seite 43-43 |
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| Übergeordnetes Werk: |
volume:2 ; year:2018 ; pages:43-43 |
| Links: |
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| DOI / URN: |
10.1017/cts.2018.169 |
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| Katalog-ID: |
DOAJ088130711 |
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| 520 | |a OBJECTIVES/SPECIFIC AIMS: Alcohol use disorder (AUD) has been associated with greater discounting of delayed rewards relative to healthy controls. The relationship, however, has been inconsistent, likely because previous studies had relatively small sample sizes and inadequately controlled for comorbid psychopathology and substance use. In the present study, we analyzed one of the largest clinical research samples to date to assess the influence of alcohol use on delay discounting, and examine the influence of confounding variables including substance use disorder. METHODS/STUDY POPULATION: In total, 801 participants completed a delay discounting task where they chose between smaller, immediately available monetary amounts ($0–$90) and $100 available after a delay of 7–30 days. Delay discounting behavior was summarized as the natural log of k, a constant derived from a hyperbolic discounting equation. Participants also completed Structured Clinical Interviews for DSM-IV disorders, 90-day Timeline Followback interviews, and the Fagerström Test for Nicotine Dependence. Participants were divided into 4 groups: healthy controls (n=298), past AUD (n=69), and current AUD with (n=224) and without (n=210) comorbid psychopathology or substance use disorder. Kruskal-Wallis test was used to examine the effect of group on delay discounting. RESULTS/ANTICIPATED RESULTS: There were significant differences in the distribution of delay discounting scores by group (H=80.195, p<0.001). Healthy controls and past AUD showed lower levels of delay discounting than current AUD and current AUD+comorbidity groups with medium effect sizes (Cohen’s d=−0.635 and Cohen’s d=−0.614, respectively). There were nearly no differences between current AUD with and without comorbid psychopathology groups (Cohen’s d=−0.024). The past AUD group showed almost no difference relative to the healthy control group (Cohen’s d=0.007). DISCUSSION/SIGNIFICANCE OF IMPACT: Individuals with current AUD were shown to discount rewards greater than those without current AUD, although comorbid psychopathology did not significantly affect discounting. Surprisingly, individuals with past AUD were more similar to controls than to those with current AUD. Our findings suggest that current problematic alcohol use is related to greater discounting of delayed rewards, but comorbid diagnoses do not significantly impact this relationship. However, once problematic patterns of alcohol use cease, delay discounting appears to return to levels comparable to healthy controls. | ||
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10.1017/cts.2018.169 doi (DE-627)DOAJ088130711 (DE-599)DOAJ8e737604134c4e7395229eda8cc114ad DE-627 ger DE-627 rakwb eng Julia Swan verfasserin aut 2226 Influence of alcohol use disorder and comorbid psychopathology on discounting of delayed rewards 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier OBJECTIVES/SPECIFIC AIMS: Alcohol use disorder (AUD) has been associated with greater discounting of delayed rewards relative to healthy controls. The relationship, however, has been inconsistent, likely because previous studies had relatively small sample sizes and inadequately controlled for comorbid psychopathology and substance use. In the present study, we analyzed one of the largest clinical research samples to date to assess the influence of alcohol use on delay discounting, and examine the influence of confounding variables including substance use disorder. METHODS/STUDY POPULATION: In total, 801 participants completed a delay discounting task where they chose between smaller, immediately available monetary amounts ($0–$90) and $100 available after a delay of 7–30 days. Delay discounting behavior was summarized as the natural log of k, a constant derived from a hyperbolic discounting equation. Participants also completed Structured Clinical Interviews for DSM-IV disorders, 90-day Timeline Followback interviews, and the Fagerström Test for Nicotine Dependence. Participants were divided into 4 groups: healthy controls (n=298), past AUD (n=69), and current AUD with (n=224) and without (n=210) comorbid psychopathology or substance use disorder. Kruskal-Wallis test was used to examine the effect of group on delay discounting. RESULTS/ANTICIPATED RESULTS: There were significant differences in the distribution of delay discounting scores by group (H=80.195, p<0.001). Healthy controls and past AUD showed lower levels of delay discounting than current AUD and current AUD+comorbidity groups with medium effect sizes (Cohen’s d=−0.635 and Cohen’s d=−0.614, respectively). There were nearly no differences between current AUD with and without comorbid psychopathology groups (Cohen’s d=−0.024). The past AUD group showed almost no difference relative to the healthy control group (Cohen’s d=0.007). DISCUSSION/SIGNIFICANCE OF IMPACT: Individuals with current AUD were shown to discount rewards greater than those without current AUD, although comorbid psychopathology did not significantly affect discounting. Surprisingly, individuals with past AUD were more similar to controls than to those with current AUD. Our findings suggest that current problematic alcohol use is related to greater discounting of delayed rewards, but comorbid diagnoses do not significantly impact this relationship. However, once problematic patterns of alcohol use cease, delay discounting appears to return to levels comparable to healthy controls. Medicine R Joshua L. Gowin verfasserin aut Matthew E. Sloan verfasserin aut Reza Momenan verfasserin aut Vijay A. Ramchandani verfasserin aut In Journal of Clinical and Translational Science Cambridge University Press, 2019 2(2018), Seite 43-43 (DE-627)891016082 (DE-600)2898186-8 20598661 nnns volume:2 year:2018 pages:43-43 https://doi.org/10.1017/cts.2018.169 kostenfrei https://doaj.org/article/8e737604134c4e7395229eda8cc114ad kostenfrei https://www.cambridge.org/core/product/identifier/S2059866118001693/type/journal_article kostenfrei https://doaj.org/toc/2059-8661 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2110 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2 2018 43-43 |
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10.1017/cts.2018.169 doi (DE-627)DOAJ088130711 (DE-599)DOAJ8e737604134c4e7395229eda8cc114ad DE-627 ger DE-627 rakwb eng Julia Swan verfasserin aut 2226 Influence of alcohol use disorder and comorbid psychopathology on discounting of delayed rewards 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier OBJECTIVES/SPECIFIC AIMS: Alcohol use disorder (AUD) has been associated with greater discounting of delayed rewards relative to healthy controls. The relationship, however, has been inconsistent, likely because previous studies had relatively small sample sizes and inadequately controlled for comorbid psychopathology and substance use. In the present study, we analyzed one of the largest clinical research samples to date to assess the influence of alcohol use on delay discounting, and examine the influence of confounding variables including substance use disorder. METHODS/STUDY POPULATION: In total, 801 participants completed a delay discounting task where they chose between smaller, immediately available monetary amounts ($0–$90) and $100 available after a delay of 7–30 days. Delay discounting behavior was summarized as the natural log of k, a constant derived from a hyperbolic discounting equation. Participants also completed Structured Clinical Interviews for DSM-IV disorders, 90-day Timeline Followback interviews, and the Fagerström Test for Nicotine Dependence. Participants were divided into 4 groups: healthy controls (n=298), past AUD (n=69), and current AUD with (n=224) and without (n=210) comorbid psychopathology or substance use disorder. Kruskal-Wallis test was used to examine the effect of group on delay discounting. RESULTS/ANTICIPATED RESULTS: There were significant differences in the distribution of delay discounting scores by group (H=80.195, p<0.001). Healthy controls and past AUD showed lower levels of delay discounting than current AUD and current AUD+comorbidity groups with medium effect sizes (Cohen’s d=−0.635 and Cohen’s d=−0.614, respectively). There were nearly no differences between current AUD with and without comorbid psychopathology groups (Cohen’s d=−0.024). The past AUD group showed almost no difference relative to the healthy control group (Cohen’s d=0.007). DISCUSSION/SIGNIFICANCE OF IMPACT: Individuals with current AUD were shown to discount rewards greater than those without current AUD, although comorbid psychopathology did not significantly affect discounting. Surprisingly, individuals with past AUD were more similar to controls than to those with current AUD. Our findings suggest that current problematic alcohol use is related to greater discounting of delayed rewards, but comorbid diagnoses do not significantly impact this relationship. However, once problematic patterns of alcohol use cease, delay discounting appears to return to levels comparable to healthy controls. Medicine R Joshua L. Gowin verfasserin aut Matthew E. Sloan verfasserin aut Reza Momenan verfasserin aut Vijay A. Ramchandani verfasserin aut In Journal of Clinical and Translational Science Cambridge University Press, 2019 2(2018), Seite 43-43 (DE-627)891016082 (DE-600)2898186-8 20598661 nnns volume:2 year:2018 pages:43-43 https://doi.org/10.1017/cts.2018.169 kostenfrei https://doaj.org/article/8e737604134c4e7395229eda8cc114ad kostenfrei https://www.cambridge.org/core/product/identifier/S2059866118001693/type/journal_article kostenfrei https://doaj.org/toc/2059-8661 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2110 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2 2018 43-43 |
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10.1017/cts.2018.169 doi (DE-627)DOAJ088130711 (DE-599)DOAJ8e737604134c4e7395229eda8cc114ad DE-627 ger DE-627 rakwb eng Julia Swan verfasserin aut 2226 Influence of alcohol use disorder and comorbid psychopathology on discounting of delayed rewards 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier OBJECTIVES/SPECIFIC AIMS: Alcohol use disorder (AUD) has been associated with greater discounting of delayed rewards relative to healthy controls. The relationship, however, has been inconsistent, likely because previous studies had relatively small sample sizes and inadequately controlled for comorbid psychopathology and substance use. In the present study, we analyzed one of the largest clinical research samples to date to assess the influence of alcohol use on delay discounting, and examine the influence of confounding variables including substance use disorder. METHODS/STUDY POPULATION: In total, 801 participants completed a delay discounting task where they chose between smaller, immediately available monetary amounts ($0–$90) and $100 available after a delay of 7–30 days. Delay discounting behavior was summarized as the natural log of k, a constant derived from a hyperbolic discounting equation. Participants also completed Structured Clinical Interviews for DSM-IV disorders, 90-day Timeline Followback interviews, and the Fagerström Test for Nicotine Dependence. Participants were divided into 4 groups: healthy controls (n=298), past AUD (n=69), and current AUD with (n=224) and without (n=210) comorbid psychopathology or substance use disorder. Kruskal-Wallis test was used to examine the effect of group on delay discounting. RESULTS/ANTICIPATED RESULTS: There were significant differences in the distribution of delay discounting scores by group (H=80.195, p<0.001). Healthy controls and past AUD showed lower levels of delay discounting than current AUD and current AUD+comorbidity groups with medium effect sizes (Cohen’s d=−0.635 and Cohen’s d=−0.614, respectively). There were nearly no differences between current AUD with and without comorbid psychopathology groups (Cohen’s d=−0.024). The past AUD group showed almost no difference relative to the healthy control group (Cohen’s d=0.007). DISCUSSION/SIGNIFICANCE OF IMPACT: Individuals with current AUD were shown to discount rewards greater than those without current AUD, although comorbid psychopathology did not significantly affect discounting. Surprisingly, individuals with past AUD were more similar to controls than to those with current AUD. Our findings suggest that current problematic alcohol use is related to greater discounting of delayed rewards, but comorbid diagnoses do not significantly impact this relationship. However, once problematic patterns of alcohol use cease, delay discounting appears to return to levels comparable to healthy controls. Medicine R Joshua L. Gowin verfasserin aut Matthew E. Sloan verfasserin aut Reza Momenan verfasserin aut Vijay A. Ramchandani verfasserin aut In Journal of Clinical and Translational Science Cambridge University Press, 2019 2(2018), Seite 43-43 (DE-627)891016082 (DE-600)2898186-8 20598661 nnns volume:2 year:2018 pages:43-43 https://doi.org/10.1017/cts.2018.169 kostenfrei https://doaj.org/article/8e737604134c4e7395229eda8cc114ad kostenfrei https://www.cambridge.org/core/product/identifier/S2059866118001693/type/journal_article kostenfrei https://doaj.org/toc/2059-8661 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2110 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2 2018 43-43 |
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10.1017/cts.2018.169 doi (DE-627)DOAJ088130711 (DE-599)DOAJ8e737604134c4e7395229eda8cc114ad DE-627 ger DE-627 rakwb eng Julia Swan verfasserin aut 2226 Influence of alcohol use disorder and comorbid psychopathology on discounting of delayed rewards 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier OBJECTIVES/SPECIFIC AIMS: Alcohol use disorder (AUD) has been associated with greater discounting of delayed rewards relative to healthy controls. The relationship, however, has been inconsistent, likely because previous studies had relatively small sample sizes and inadequately controlled for comorbid psychopathology and substance use. In the present study, we analyzed one of the largest clinical research samples to date to assess the influence of alcohol use on delay discounting, and examine the influence of confounding variables including substance use disorder. METHODS/STUDY POPULATION: In total, 801 participants completed a delay discounting task where they chose between smaller, immediately available monetary amounts ($0–$90) and $100 available after a delay of 7–30 days. Delay discounting behavior was summarized as the natural log of k, a constant derived from a hyperbolic discounting equation. Participants also completed Structured Clinical Interviews for DSM-IV disorders, 90-day Timeline Followback interviews, and the Fagerström Test for Nicotine Dependence. Participants were divided into 4 groups: healthy controls (n=298), past AUD (n=69), and current AUD with (n=224) and without (n=210) comorbid psychopathology or substance use disorder. Kruskal-Wallis test was used to examine the effect of group on delay discounting. RESULTS/ANTICIPATED RESULTS: There were significant differences in the distribution of delay discounting scores by group (H=80.195, p<0.001). Healthy controls and past AUD showed lower levels of delay discounting than current AUD and current AUD+comorbidity groups with medium effect sizes (Cohen’s d=−0.635 and Cohen’s d=−0.614, respectively). There were nearly no differences between current AUD with and without comorbid psychopathology groups (Cohen’s d=−0.024). The past AUD group showed almost no difference relative to the healthy control group (Cohen’s d=0.007). DISCUSSION/SIGNIFICANCE OF IMPACT: Individuals with current AUD were shown to discount rewards greater than those without current AUD, although comorbid psychopathology did not significantly affect discounting. Surprisingly, individuals with past AUD were more similar to controls than to those with current AUD. Our findings suggest that current problematic alcohol use is related to greater discounting of delayed rewards, but comorbid diagnoses do not significantly impact this relationship. However, once problematic patterns of alcohol use cease, delay discounting appears to return to levels comparable to healthy controls. Medicine R Joshua L. Gowin verfasserin aut Matthew E. Sloan verfasserin aut Reza Momenan verfasserin aut Vijay A. Ramchandani verfasserin aut In Journal of Clinical and Translational Science Cambridge University Press, 2019 2(2018), Seite 43-43 (DE-627)891016082 (DE-600)2898186-8 20598661 nnns volume:2 year:2018 pages:43-43 https://doi.org/10.1017/cts.2018.169 kostenfrei https://doaj.org/article/8e737604134c4e7395229eda8cc114ad kostenfrei https://www.cambridge.org/core/product/identifier/S2059866118001693/type/journal_article kostenfrei https://doaj.org/toc/2059-8661 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2110 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2 2018 43-43 |
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OBJECTIVES/SPECIFIC AIMS: Alcohol use disorder (AUD) has been associated with greater discounting of delayed rewards relative to healthy controls. The relationship, however, has been inconsistent, likely because previous studies had relatively small sample sizes and inadequately controlled for comorbid psychopathology and substance use. In the present study, we analyzed one of the largest clinical research samples to date to assess the influence of alcohol use on delay discounting, and examine the influence of confounding variables including substance use disorder. METHODS/STUDY POPULATION: In total, 801 participants completed a delay discounting task where they chose between smaller, immediately available monetary amounts ($0–$90) and $100 available after a delay of 7–30 days. Delay discounting behavior was summarized as the natural log of k, a constant derived from a hyperbolic discounting equation. Participants also completed Structured Clinical Interviews for DSM-IV disorders, 90-day Timeline Followback interviews, and the Fagerström Test for Nicotine Dependence. Participants were divided into 4 groups: healthy controls (n=298), past AUD (n=69), and current AUD with (n=224) and without (n=210) comorbid psychopathology or substance use disorder. Kruskal-Wallis test was used to examine the effect of group on delay discounting. RESULTS/ANTICIPATED RESULTS: There were significant differences in the distribution of delay discounting scores by group (H=80.195, p<0.001). Healthy controls and past AUD showed lower levels of delay discounting than current AUD and current AUD+comorbidity groups with medium effect sizes (Cohen’s d=−0.635 and Cohen’s d=−0.614, respectively). There were nearly no differences between current AUD with and without comorbid psychopathology groups (Cohen’s d=−0.024). The past AUD group showed almost no difference relative to the healthy control group (Cohen’s d=0.007). DISCUSSION/SIGNIFICANCE OF IMPACT: Individuals with current AUD were shown to discount rewards greater than those without current AUD, although comorbid psychopathology did not significantly affect discounting. Surprisingly, individuals with past AUD were more similar to controls than to those with current AUD. Our findings suggest that current problematic alcohol use is related to greater discounting of delayed rewards, but comorbid diagnoses do not significantly impact this relationship. However, once problematic patterns of alcohol use cease, delay discounting appears to return to levels comparable to healthy controls. |
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OBJECTIVES/SPECIFIC AIMS: Alcohol use disorder (AUD) has been associated with greater discounting of delayed rewards relative to healthy controls. The relationship, however, has been inconsistent, likely because previous studies had relatively small sample sizes and inadequately controlled for comorbid psychopathology and substance use. In the present study, we analyzed one of the largest clinical research samples to date to assess the influence of alcohol use on delay discounting, and examine the influence of confounding variables including substance use disorder. METHODS/STUDY POPULATION: In total, 801 participants completed a delay discounting task where they chose between smaller, immediately available monetary amounts ($0–$90) and $100 available after a delay of 7–30 days. Delay discounting behavior was summarized as the natural log of k, a constant derived from a hyperbolic discounting equation. Participants also completed Structured Clinical Interviews for DSM-IV disorders, 90-day Timeline Followback interviews, and the Fagerström Test for Nicotine Dependence. Participants were divided into 4 groups: healthy controls (n=298), past AUD (n=69), and current AUD with (n=224) and without (n=210) comorbid psychopathology or substance use disorder. Kruskal-Wallis test was used to examine the effect of group on delay discounting. RESULTS/ANTICIPATED RESULTS: There were significant differences in the distribution of delay discounting scores by group (H=80.195, p<0.001). Healthy controls and past AUD showed lower levels of delay discounting than current AUD and current AUD+comorbidity groups with medium effect sizes (Cohen’s d=−0.635 and Cohen’s d=−0.614, respectively). There were nearly no differences between current AUD with and without comorbid psychopathology groups (Cohen’s d=−0.024). The past AUD group showed almost no difference relative to the healthy control group (Cohen’s d=0.007). DISCUSSION/SIGNIFICANCE OF IMPACT: Individuals with current AUD were shown to discount rewards greater than those without current AUD, although comorbid psychopathology did not significantly affect discounting. Surprisingly, individuals with past AUD were more similar to controls than to those with current AUD. Our findings suggest that current problematic alcohol use is related to greater discounting of delayed rewards, but comorbid diagnoses do not significantly impact this relationship. However, once problematic patterns of alcohol use cease, delay discounting appears to return to levels comparable to healthy controls. |
| abstract_unstemmed |
OBJECTIVES/SPECIFIC AIMS: Alcohol use disorder (AUD) has been associated with greater discounting of delayed rewards relative to healthy controls. The relationship, however, has been inconsistent, likely because previous studies had relatively small sample sizes and inadequately controlled for comorbid psychopathology and substance use. In the present study, we analyzed one of the largest clinical research samples to date to assess the influence of alcohol use on delay discounting, and examine the influence of confounding variables including substance use disorder. METHODS/STUDY POPULATION: In total, 801 participants completed a delay discounting task where they chose between smaller, immediately available monetary amounts ($0–$90) and $100 available after a delay of 7–30 days. Delay discounting behavior was summarized as the natural log of k, a constant derived from a hyperbolic discounting equation. Participants also completed Structured Clinical Interviews for DSM-IV disorders, 90-day Timeline Followback interviews, and the Fagerström Test for Nicotine Dependence. Participants were divided into 4 groups: healthy controls (n=298), past AUD (n=69), and current AUD with (n=224) and without (n=210) comorbid psychopathology or substance use disorder. Kruskal-Wallis test was used to examine the effect of group on delay discounting. RESULTS/ANTICIPATED RESULTS: There were significant differences in the distribution of delay discounting scores by group (H=80.195, p<0.001). Healthy controls and past AUD showed lower levels of delay discounting than current AUD and current AUD+comorbidity groups with medium effect sizes (Cohen’s d=−0.635 and Cohen’s d=−0.614, respectively). There were nearly no differences between current AUD with and without comorbid psychopathology groups (Cohen’s d=−0.024). The past AUD group showed almost no difference relative to the healthy control group (Cohen’s d=0.007). DISCUSSION/SIGNIFICANCE OF IMPACT: Individuals with current AUD were shown to discount rewards greater than those without current AUD, although comorbid psychopathology did not significantly affect discounting. Surprisingly, individuals with past AUD were more similar to controls than to those with current AUD. Our findings suggest that current problematic alcohol use is related to greater discounting of delayed rewards, but comorbid diagnoses do not significantly impact this relationship. However, once problematic patterns of alcohol use cease, delay discounting appears to return to levels comparable to healthy controls. |
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2226 Influence of alcohol use disorder and comorbid psychopathology on discounting of delayed rewards |
| url |
https://doi.org/10.1017/cts.2018.169 https://doaj.org/article/8e737604134c4e7395229eda8cc114ad https://www.cambridge.org/core/product/identifier/S2059866118001693/type/journal_article https://doaj.org/toc/2059-8661 |
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Joshua L. Gowin Matthew E. Sloan Reza Momenan Vijay A. Ramchandani |
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