A systematic review and meta-analysis on the clinical implications of probability discounting among individuals with Internet gaming disorder

Abstract The significance of probability discounting (PD) among individuals with Internet gaming disorder (IGD) remains unclear. Following the PRISMA guidelines, we systematically searched the PubMed, Embase, and ScienceDirect databases for English articles on Internet addiction that included compar...

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Autores principales:	Weilun Chung, Cheuk-Kwan Sun, I.-Ting Tsai, Kuo-Chuan Hung, Hsien-Jane Chiu, Ruu-Fen Tzang, Pin-Yang Yeh, Yu-Shian Cheng
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/f3d10d3b4a884a8e957c3786408697a8
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spelling	oai:doaj.org-article:f3d10d3b4a884a8e957c3786408697a82021-12-02T10:44:09ZA systematic review and meta-analysis on the clinical implications of probability discounting among individuals with Internet gaming disorder10.1038/s41598-021-82822-z2045-2322https://doaj.org/article/f3d10d3b4a884a8e957c3786408697a82021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-82822-zhttps://doaj.org/toc/2045-2322Abstract The significance of probability discounting (PD) among individuals with Internet gaming disorder (IGD) remains unclear. Following the PRISMA guidelines, we systematically searched the PubMed, Embase, and ScienceDirect databases for English articles on Internet addiction that included comparison between individuals with and without IGD as well as probabilistic discounting task as the main outcome from January 1970 to July 2020 using the appropriate keyword strings. The primary outcome was the overall difference in rate of PD, while the secondary outcomes included the difference in PD with magnitude of probabilistic reward and response time of the PD task. Effect size (ES) was calculated through dividing the group means (e.g., h value or AUC) by the pooled standard deviations of the two groups. A total of five studies with 300 participants (i.e., IGD group, n = 150, mean age = 20.27 ± 2.68; healthy controls, n = 150, mean age = 20.70 ± 2.81) were analyzed. The IGD group was more willing to take risks in probabilistic gains but performances on probabilistic losses were similar between the two groups. The IGD group also exhibited a shorter response time (Hedge’s g = − 0.51; 95%CI = − 0.87 to − 0.15). Meta-regression demonstrated a positive correlation between maximum reward magnitude and PD rate (p < 0.04). However, significant publication bias was noted among the included studies (Egger’s test, p < 0.01). In conclusion, individuals with IGD seemed more impulsive in making risky decisions, especially when the potential gains were expected. Our findings not only supported the use of PD for assessing individuals with IGD but may also provide new insights into appropriate interventions.Weilun ChungCheuk-Kwan SunI.-Ting TsaiKuo-Chuan HungHsien-Jane ChiuRuu-Fen TzangPin-Yang YehYu-Shian ChengNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Weilun Chung Cheuk-Kwan Sun I.-Ting Tsai Kuo-Chuan Hung Hsien-Jane Chiu Ruu-Fen Tzang Pin-Yang Yeh Yu-Shian Cheng A systematic review and meta-analysis on the clinical implications of probability discounting among individuals with Internet gaming disorder
description	Abstract The significance of probability discounting (PD) among individuals with Internet gaming disorder (IGD) remains unclear. Following the PRISMA guidelines, we systematically searched the PubMed, Embase, and ScienceDirect databases for English articles on Internet addiction that included comparison between individuals with and without IGD as well as probabilistic discounting task as the main outcome from January 1970 to July 2020 using the appropriate keyword strings. The primary outcome was the overall difference in rate of PD, while the secondary outcomes included the difference in PD with magnitude of probabilistic reward and response time of the PD task. Effect size (ES) was calculated through dividing the group means (e.g., h value or AUC) by the pooled standard deviations of the two groups. A total of five studies with 300 participants (i.e., IGD group, n = 150, mean age = 20.27 ± 2.68; healthy controls, n = 150, mean age = 20.70 ± 2.81) were analyzed. The IGD group was more willing to take risks in probabilistic gains but performances on probabilistic losses were similar between the two groups. The IGD group also exhibited a shorter response time (Hedge’s g = − 0.51; 95%CI = − 0.87 to − 0.15). Meta-regression demonstrated a positive correlation between maximum reward magnitude and PD rate (p < 0.04). However, significant publication bias was noted among the included studies (Egger’s test, p < 0.01). In conclusion, individuals with IGD seemed more impulsive in making risky decisions, especially when the potential gains were expected. Our findings not only supported the use of PD for assessing individuals with IGD but may also provide new insights into appropriate interventions.
format	article
author	Weilun Chung Cheuk-Kwan Sun I.-Ting Tsai Kuo-Chuan Hung Hsien-Jane Chiu Ruu-Fen Tzang Pin-Yang Yeh Yu-Shian Cheng
author_facet	Weilun Chung Cheuk-Kwan Sun I.-Ting Tsai Kuo-Chuan Hung Hsien-Jane Chiu Ruu-Fen Tzang Pin-Yang Yeh Yu-Shian Cheng
author_sort	Weilun Chung
title	A systematic review and meta-analysis on the clinical implications of probability discounting among individuals with Internet gaming disorder
title_short	A systematic review and meta-analysis on the clinical implications of probability discounting among individuals with Internet gaming disorder
title_full	A systematic review and meta-analysis on the clinical implications of probability discounting among individuals with Internet gaming disorder
title_fullStr	A systematic review and meta-analysis on the clinical implications of probability discounting among individuals with Internet gaming disorder
title_full_unstemmed	A systematic review and meta-analysis on the clinical implications of probability discounting among individuals with Internet gaming disorder
title_sort	systematic review and meta-analysis on the clinical implications of probability discounting among individuals with internet gaming disorder
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/f3d10d3b4a884a8e957c3786408697a8
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A systematic review and meta-analysis on the clinical implications of probability discounting among individuals with Internet gaming disorder

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