Matthias Brand's research while affiliated with University of Duisburg-Essen and other places

Publications (417)

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Although consequences of sharing personal information can be negative and severe (e.g., identity theft), individuals still engage in extensive self-disclosures on social networks. One commonly applied explanatory approach is the privacy calculus. Following this, self-disclosures can be conceptualized as rational choices resulting from a weighing of...
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Using digital media has become the most popular leisure activity for children and adolescents. The effects of digital media use on the developing brain and cognitive processes of children are subject to debate. Here, we examine the effect of digital media use on attention subdomains in children aged 6 to 10 years. In total, 77 children participated...
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Background and aims: Compulsive sexual behavior disorder (CSBD) which includes problematic pornography use (PPU) is a clinically relevant syndrome that has been included in the ICD-11 as impulse control disorder. The number of studies on treatments in CSBD and PPU increased in the last years. The current preregistered systematic review aimed for i...
Preprint
Using digital media has become the most popular leisure activity for children and adolescents. The effects of digital media use on the developing brain and cognitive processes of children are subject to debate. Here, we examine the effect of digital media use on attention subdomains in children aged 6 to 10 years. In total, 77 children participated...
Preprint
Online self-disclosure is perhaps one of the last decade's most studied communication processes, thanks to the introduction of Online Social Networks (OSNs) like Facebook. Self-disclosure research has contributed significantly to the design of preventative nudges seeking to support and guide users when revealing private information in OSNs. Still,...
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Global concern about problematic usage of the internet (PUI), and its public health and societal costs, continues to grow, sharpened in focus under the privations of the COVID-19 pandemic. This narrative review reports the expert opinions of members of the largest international network of researchers on PUI in the framework of the European Cooperat...
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The paper by Sassover and Weinstein (2022) contributes to a timely and complex debate related to the classification of Compulsive Sexual Behavior Disorder (CSBD). The recent inclusion of CSBD as an impulse control disorder in the ICD-11 has generated debate since a competitive view is that CSBD should rather be classified as an addictive disorder....
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Purpose of Review Problematic pornography use (PPU) describes a pattern of behavior characterized by excessive time spent using or thinking about pornography and continued use despite negative consequences. To help advance the understanding of transdiagnostic underlying psychological and neurobiological mechanisms in PPU, we aim to review existing...
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Background: The risk for behavioral addictions is rising among women within the general population and in clinical settings. However, few studies have assessed treatment effectiveness in females. The aim of this work was to explore latent empirical classes of women with gambling disorder (GD) and buying/shopping disorder (BSD) based on the treatme...
Article
Background Beyond gaming disorder and gambling disorder, pornography-use disorder, buying-shopping disorder, and social-networks-use disorders are discussed as further disorders due to addictive behaviors. For addictive behaviors, it is assumed that the experience of gratification and the experience of compensation due to the specific behavior repr...
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Background: Gambling and gaming disorders have been included as "disorders due to addictive behaviors" in the International Classification of Diseases (ICD-11). Other problematic behaviors may be considered as "other specified disorders due to addictive behaviors (6C5Y)." Methods: Narrative review, experts' opinions. Results: We suggest the fo...
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Motherhood has been proposed as an internal facilitating factor for the recovery of women with mental disorders. However, at the same time, there are significant barriers that may be interfering with the access and adherence to treatment for these women. The present longitudinal study aimed to deepen the sociodemographic and clinical profile of wom...
Article
Problematic usage of the Internet (PUI) is an umbrella term covering a range of problematic behaviors including online addictive behaviors, such as gaming disorder, pornography-use disorder, buying–shopping disorder, and problematic social networks use. Theoretical models of PUI can not only inspire research on psychological and neurobiological mec...
Preprint
Traditional mindfulness interventions have been frequently reported to be effective in improving cognitive functions. In recent years, however, traditional programs are increasingly replaced by technology-enabled mindfulness interventions. The aim of the present systematic review (PROSPERO ID: CRD42021289480) was to evaluate the research evidence o...
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Background and aims With the inclusion of gaming disorder in the ICD-11, diagnostic criteria were introduced for this relatively new disorder. These criteria may also be applied to other potential specific Internet-use disorders, which may be classified in ICD-11 as other disorders due to addictive behaviors, such as online buying-shopping disorder...
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Background: Compulsive buying-shopping disorder (CBSD) is associated with high materialistic values endorsement and excessive purchasing of consumer goods. A subgroup of individuals with CBSD engage in socially unacceptable behaviors to continue shopping despite negative consequences. This investigation aimed at exploring possible links between eg...
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Sexual intercourse initiated through a sex dating online platform, sexually suggestive interpersonal communication via a messaging app, or flirtation with a voice assistant are examples of sexual interaction in digital contexts. In all of these cases the interaction is linked to both sexual arousal and digital technology. The digitalization of huma...
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The Corrigendum only concerns the addition of the second first author also as a corresponding author. See full paper below.
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The uncontrolled use of specific Internet applications is increasingly recognized as a mental health issue. Gaming disorder, which is one subtype of specific Internet-use disorders (sIUDs), has been included in the ICD-11 as disorder due to addictive behaviors. Addictive disorders are assumed to be accompanied by cognitive deficits as indicated by...
Chapter
The term “Internet-use disorders” covers a range of different conditions including gaming and gambling disorder and problematic use of pornography, buying-shopping, and social networks. These conditions are often viewed and treated as addictive disorders. Although Internet-use disorders have been recognized as an internationally relevant public hea...
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Purpose of Review This manuscript aims to propose an integration of desire thinking into the Interaction of Person-Affect-Cognition-Execution (I-PACE) model based on theoretical considerations within the Elaborated Intrusion Theory of Desire and Self-Regulatory Execution Function model and empirical evidence from the field of internet-use disorders...
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Purpose of Review Problematic online buying-shopping became a recent research topic, and the question arises as to whether it would be useful to differentiate between a “predominantly online” and a “predominantly offline” compulsive buying-shopping disorder (CBSD) subtype by analogy with gaming disorder and gambling disorder in the ICD-11. This nar...
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Purpose of Review The present review focuses on relationships between sexuality and religion, moral values, and ethics. Recent Findings Religious and ethical beliefs and moral values may influence sexuality including perception of pornography and its frequency of use, and engagement in sexual behaviors including pornography viewing may impact thes...
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Zusammenfassung. Zielsetzung: Der Beitrag stellt die deutsche Übersetzung der Diagnosekriterien für die Kauf-Shopping-Störung vor, die im Rahmen einer internationalen Delphi-Studie entwickelt wurden. Methodik: In einem iterativen Prozess wurden die vorgeschlagenen englischen Diagnosekriterien aus der Originalveröffentlichung ins Deutsche übersetzt...
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Background Internet Use Disorders (IUD) cover a range of online-related behavioral addictions, which are acknowledged and strengthened by the inclusion of (online) gaming disorder in the ICD-11 by the World Health Organization. Internet-based telemedicine interventions offer the possibility to reach out for individuals with IUD where the disorder e...
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Based on its prevalence, there is an urgent need to better understand the mechanisms, opportunities and risks of sexual interaction in digital contexts (SIDC) that are related with sexual arousal. While there is a growing body of literature on SIDC, there is also a lack of conceptual clarity and classification. Therefore, based on a conceptual anal...
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Background and aims An increasing number of people experience negative consequences from the excessive use of different Internet applications or sites (e.g., Instagram, League of Legends, YouTube). These consequences have been referred to as specific Internet Use Disorders (IUDs). The present study aims to examine the Fear of Missing Out (FoMO) on...
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Purpose of Review There are ongoing debates about specific features of compulsive sexual behavior disorder (CSBD) relating to classification and diagnoses. We aim to address current discussions relating to potential subtypes of CSBD, the aspect of compulsivity in CSBD, and the aspect of moral incongruence and CSBD. Recent Findings CSBD includes mu...
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The increasing relevance to adapt quickly to changes in the environment is contrasted by an inverted U-shaped curve of task-switching abilities over the lifespan. While previous studies most commonly focused on switching between rules, modalities, and attributes, the process of switching between different attentional demands is somehow neglected. T...
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In the eleventh International Classification of Diseases (ICD‐11) of the World Health Organization, gambling disorder and gaming disorder are included in the category ‘disorders due to addictive behaviours’, which can be specified further as occurring either predominantly offline or predominantly online. Other specific problematic behaviours may be...
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Aims: In this narrative position paper, we will summarize some examples of theoretical models of behavioral addictions. We will then make some suggestions for how theoretical models may inspire both research and clinical practice in the context of behavioral addictions. Results: Current theoretical models typically distinguish between general and s...
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Zusammenfassung. Fragestellung: Es existiert eine Vielzahl von Begriffen für Verhaltenssüchte, die Mängel in Operationalisierung, Bezug zum Verhalten, Kompatibilität mit internationalen Klassifikationen sowie nicht stigmatisierender Nutzung aufweisen. Daher werden einheitliche Begriffe für Verhaltenssüchte benötigt. Methode: Im Rahmen einer Leitlin...
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Background and aims: Social-networks-use disorder is discussed as a potential further type of disorders due to addictive behaviors. Theoretical models assume cue-induced craving and disadvantageous decision making to be relevant mechanisms. This study investigates if the presentation of social-networks-related cues interferes with decision making...
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Background and Aims Buying-shopping disorder (BSD) is a clinical condition in which individuals lose control over their buying behaviour and continue buying despite negative consequences such as indebtedness, loss of family and friends. BSD has been considered a behavioural addiction and first studies provide evidence for cue-reactivity and craving...
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In several studies, individuals who reported to frequently multitask with different media displayed reduced cognitive performance, for example in fluid intelligence and executive functioning. These cognitive functions are relevant for making advantageous decisions under both objective risk (requiring reflection and strategical planning) and ambiguo...
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Background and aims: Consensus in acknowledging compulsive buying-shopping disorder (CBSD) as a distinct diagnosis has been lacking. Before research in this area can be advanced, it is necessary to establish diagnostic criteria in order to facilitate field trials. Methods: The study consisted of the following phases: (1) operationalization of a...
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Problematic usage of the internet (PUI) describes maladaptive use of online resources and is recognized as a growing worldwide issue. Here, we refined the Internet Addiction Test (IAT) for use as a screening tool to measure generalized internet use problems in normative samples. Analysis of response data with parametric unidimensional item response...
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Driving in a simulator might induce stress because of the confrontation with new environments, dealing with new technologies, and experience with symptoms of simulator sickness, which, in turn, may influence individuals’ driving performance. The present study aims to provide a better understanding of the association between simulated environments a...
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The occurrence of the COVID-19-virus led to drastic short-term measures to reduce its spread and influence. Regulations such as “physical distancing,” mentioned as “social distancing,” and the closure of public facilities during the lockdown could be perceived as burdensome especially by individuals who feel a strong need for social exchange and be...
Article
Introduction Desire thinking is defined as a voluntary cognitive activity aimed at imaginatively and verbally elaborating a future scenario of performing a desired behavior. Although not problematic per se, desire thinking can become dysfunctional if it is used to regulate negative mood states and due to its ability to induce craving. This study te...
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Introduction: While identity problems and materialistic value endorsement have been described as predisposing factors for buying-shopping disorder (BSD) in the literature, little empirical data are available on the role of socially undesirable personality features that may contribute to financial misconduct and manipulative interpersonal behaviors...
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Background The tendency to strive for immediate gratification by neglecting potential negative long-term outcomes characterizes addictive behaviors, such as substance use or gaming disorder. Problematic social-network use is currently discussed as another potential addictive behavior, which is considered to result from an imbalance between affectiv...
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This special issue addresses the affective and cognitive processes and their interactions potentially reflecting mechanisms underlying the development, maintenance of, or recovery from behavioral addictions. Various specific types of behavioral addictions will be considered, including those already in ICD-11 (gambling disorder, gaming disorder), bu...
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Background Theoretical models summarize the mechanisms that are potentially involved in the development and maintenance of a psychological disorder. Regarding behavioral addictions, several models exist that are mainly based on theories explaining substance use disorders.Objective The article informs about recent theoretical assumptions considering...
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Background and aims Following the recognition of ‘internet gaming disorder’ (IGD) as a condition requiring further study by the DSM‐5, ‘gaming disorder’ (GD) was officially included as a diagnostic entity by the World Health Organization (WHO) in the eleventh revision of the International Classification of Diseases (ICD‐11). However, the proposed d...
Preprint
BACKGROUND Online social communication via instant messaging (IM) and social networking (SN) applications make up for a large part of the time smartphone users spend on their devices. Previous research indicates that the excessive use of these applications positively associates with smartphone-related addictive behaviors. In particular, image-based...
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Background Social communication via instant messaging (IM) and social networking (SN) apps makes up a large part of the time that smartphone users spend on their devices. Previous research has indicated that the excessive use of these apps is positively associated with problematic smartphone use behaviors. In particular, image-based SN apps, such a...
Article
The tendency to cancel appointments at short notice in favor of supposedly better alternatives is referred to as “social zapping”. Social zapping is positively associated with maximizing tendencies and problematic social networks use. However, empirical investigations on which additional personality characteristics predict social-zapping behavior a...
Chapter
Making decisions is an integral part of human life. Decisions can be manifold and quite diverse, ranging from rather simple to very complex ones with potentially far-reaching consequences. Accordingly, the demands on cognitive processes involved in decision making can vary greatly as a result of interactions between the decision situation, individu...
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Purpose of Review Gaming disorder (GD), meanwhile classified as a mental disorder in both DSM-5 and ICD-11, is a current public health issue. Theoretical models assume core psychological processes, such as cue reactivity, craving, reward processing, decision-making, cognitive biases, inhibitory control, and stress relief, to be crucially involved i...
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Aim: The aim of the study was to evaluate the psychometric properties of the 13-item Pathological Buying Screener (PBS, [1]) in a clinical sample. Method: The PBS was administered to a total sample of 413 treatment-seeking patients (buying-shopping disorder n=151, gambling disorder n=59, alcohol dependency n=60, other mental disorders [anxiety,...
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Social media including social-networking sites (SNS) encourage people to disclose personal information via profiles and posts. It is assumed that positive short-term effects and immediate feedback (e.g., getting Likes) have a rewarding nature and may complicate the rational weighing of possible negative long-term consequences related to self-disclo...
Article
Zusammenfassung: Einführung und Zielsetzung: Die COVID-19 Pandemie und die entsprechenden Lockdown-Maßnahmen verdeutlichen, dass besondere Strategien der Verhaltens-und Verhältnisprävention für Online-Verhaltenssüchte notwendig sind. Begründung: Die Wahr-scheinlichkeit ist hoch, dass die COVID-19 Krise und die begleitenden Maßnahmen zu deren Eindäm...
Chapter
In der Einleitung des Buches wird das Ziel des interdisziplinären Projekts ALFASY begründet und erläutert: die Entwicklung, der Aufbau und der Test altersgerechter Fahrerassistenzsysteme – speziell akustischer Mensch-Maschine-Schnittstellen, die auf die Bedürfnisse der stetig wachsenden Gruppe älterer und zahlungskräftiger Fahrerinnen und Fahrer (5...
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Purpose of Review This overview aims at summarizing studies, which investigated cognitive correlates of gaming disorder and of a problematic use of social networks by using behavioral experimental paradigms and brain imaging techniques. Recent Findings Based on theoretical models, inhibition/inhibitory control, attentional bias, executive function...
Chapter
Die Primärmobilität stellt einen der wichtigsten Faktoren zur Aufrechterhaltung von Lebensqualität und Selbstständigkeit älterer Menschen dar. Dabei werden aufgrund der zunehmenden Komplexität des Straßenverkehrs zunehmend höhere Anforderungen an die Aufmerksamkeit, Konzentration und Informationsverarbeitung aller Verkehrsteilnehmenden gestellt. De...
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Introduction Desire thinking is a voluntary cognitive process that involves the imaginal forecast of a desired activity and the verbal perseveration with plans and good reasons for engaging in it. Considering theoretical models arguing that specific decision-making processes may be involved in the development of gaming disorder, we hypothesized tha...
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RationalThe ability of conditioned stimuli to affect instrumental responding is a robust finding from animal as well as human research and is assumed as a key factor regarding the development and maintenance of addictive behaviour.Objectives While it is well known that stress is an important factor for relapse after treatment, little is known about...
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Previous studies increasingly report problems with simulator adaptation as well as dropouts. Therefore, the present study aims a better understanding of these aspects by considering individual factors, such as age and mental abilities. 414 people were tested with commonly used neuropsychological measures as well as within a driving simulator which...
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Background Buying-shopping disorder (BSD) is a severe mental disorder in which individuals lose control over their buying/shopping behavior. It is debated whether BSD shares characteristics with other behavioral addictions. The current study aimed at investigating addiction-related concepts, i.e. cue-reactivity/craving, implicit cognitions, and inh...
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In view of the growing interest regarding binge-watching (i.e., watching multiple episodes of television (TV) series in a single sitting) research, two measures were developed and validated to assess binge-watching involvement (“Binge-Watching Engagement and Symptoms Questionnaire”, BWESQ) and related motivations (“Watching TV Series Motives Questi...
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Introduction: Following the digital progress and the availability of online streaming services, binge-watching (in the literature often defined as watching >2 episodes of a TV series in one sitting) has become a popular viewing pattern. Concerns about possible negative consequences of this behaviour have arisen and its proximity to behavioural add...
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There exists ongoing debate regarding the clinical validity of single symptoms of and diagnostic criteria for gaming disorder. In particular, the potential symptom of gaming disorder that addresses coping with and escaping from negative feelings has received much attention and remains a focus of intensive discussion. We argue that it is important t...
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As a response to the COVID-19 pandemic, many governments have introduced steps such as spatial distancing and “staying at home” to curb its spread and impact. The fear resulting from the disease, the ‘lockdown’ situation, high levels of uncertainty regarding the future, and financial insecurity raise the level of stress, anxiety, and depression exp...
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Non-substance addictive behaviors may involve repetitive rewarding behaviors including gambling, gaming, sexual activities, internet-use, and buying-shopping. In addictions, there exists diminished control over participation in the behaviors and continuation of the behaviors despite experiencing negative consequences. Addictive participation in beh...
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Adolescents nowadays spend much time communicating via social networks. Recent investigations also report a noticeable proportion showing a problematic usage behavior, underlining the importance of better understanding its development and maintenance in young individuals. Theoretical views on Internet-use disorders assume that specific predispositi...
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The inclusion of gaming disorder (GD) as an official diagnosis in the ICD-11 was a significant milestone for the field. However, the optimal measurement approaches for GD are currently unclear. This comprehensive systematic review aimed to identify and evaluate all available English-language GD tools and their corresponding evidence. A search of Ps...