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Šta je novo u DSM-5?

Šta je novo u DSM-5?

Author(s): Sabina Alispahić / Language(s): Bosnian Issue: 4/2017

The fifth edition of the Diagnostic and Statistical Manual of psychological disorders (DSM-5) was published in May, 2013 with a series of changes in the classification and description of psychological disorders. The aim of this paper is to present the main changes in the diagnosis and classification of psychological disorders according to DSM-5. The first and most obvious change in the new version is that the Roman number V is replaced by the Arabic number 5, which reflects the future intention of the American Psychiatric Association for manual to be as responsive to supplements of the information based on the results of new research (revisions would be called DSM 5.1., DSM 5.2., etc.), until the release of a new version of the manual. Axle system (axes I, II, III, IV, and V) from previous editions are replaced by organising DSM-5 by lifelong development, so that the disorders with occurrence in childhood are placed at the beginning of manual, while disorders typical for older age are placed at the end of the manual. Some of the major changes in the DSM-5 are: the integration of the results of the latest research on the genetic and neuropsychological factors related to psychological disorders; integration of autistic disorder, asperger’s disorder and pervasive developmental disorder in one category “autistic spectrum disorder”; separation of anxiety and depressive disorders in the new diagnostic categories; categories supstance use and addictions have been replaced by the term “substance use disorder”. Categorical approach to personality disorders remained unchanged, but alternative, dimensional model is offered too, which separates the assessment of interpersonal functioning and expression of pathological personality traits for the six specific disorders. DSM-5 has also introduced a new category of disorders such as disturbances disruptive mood dysregulation, trichotillomania, excoriation and premenstrual dysphoric disorder. It can be concluded that the new changes in the diagnosis and classification of psychological disorders will have a significant impact on researchers, clinicians, the pharmaceutical industry, legal systems, and the general public.

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PROBLEM ODNIESIENIA OBRAZÓW HALUCYNACYJNYCH POJAWIAJĄCYCH SIĘ W KONTEKŚCIE DOSWIADCZEŃ DUCHOWYCH

PROBLEM ODNIESIENIA OBRAZÓW HALUCYNACYJNYCH POJAWIAJĄCYCH SIĘ W KONTEKŚCIE DOSWIADCZEŃ DUCHOWYCH

Author(s): Szymon Nowak / Language(s): Polish Issue: 35B/2016

The goal of this article is to discuss a theory of reference for hallucinatory experiences. Firstly, my paper will be concerned with the theory of perception underlying common definition of hallucination. Secondly, I will present three main theories of reference for experiences given in different kinds of altered states of consciousness. These three theories are: neuroscientific, supranaturalistic and psychoanalytical. Consecutively I will present arguments for maintaining that classical theories are examples of semiotic reductionism. In the main part of this paper I will present an anti-reductionist framework for a reference of hallucinatory experience, based on a phenomenological analysis of particular kind of experience not caused by external stimulus, that is, mystical experience. This anti-reductionistic theory will claim that a proper reference of certain kinds of altered states of consciousness is a true symbol.

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Zmiany percepcji w wyniku oddziaływania nowych mediów i nowych modeli odbioru dzieła flmowego

Zmiany percepcji w wyniku oddziaływania nowych mediów i nowych modeli odbioru dzieła flmowego

Author(s): Karolina Mroziewicz / Language(s): Polish Issue: 22/2013

Medialized way of perceiving and continual stuffing of reality with moving images have substantial impact on viewer’s perception, and thus on the interpretation of cinematic work. We cannot create contemporary cinema without understanding changes that the film and audiovisual audiences currently undergo. Contemporary audience has become nomadic more now than ever, and the spectator takes part in a grand spectacle that shapes their identity.

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ADVERTISING EMAILS OPTIMISATION BY EYTRACKING
TECHNOLOGY

ADVERTISING EMAILS OPTIMISATION BY EYTRACKING TECHNOLOGY

Author(s): Radovan Madleňák,Eva Kianičková / Language(s): English Issue: 1/2/2016

Today’s marketing image is more dynamic and many times more interesting design-wise than it was in the past. Internet and new information-communication technologies have radically changed the original marketing image. We encounter implementation of marketing activities on a daily basis in various forms, e.g. when browsing webpages and opening own email inbox. Scientific studies in the field of neuromarketing show that the consumer doesn’t perceive exactly the same values the vendors are offering them and they sell using marketing activities. The human brain evaluates how the offer and communication corresponds with their existing expectations. Neuroscience offers an ever improving idea on how the human brain works during the buying process. By mapping active areas of the brain it is possible to discover what will convince the buyer to buy. This article deals with using the neuromarketing method of eye tracking for optimization of ad e-mails. Based on experimental testing the article characterizes the drives of the recipients for opening ad emails and subsequently identifies partial segments of the ad email as well as proposals for their optimisation.

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Wejdź w sferę snu
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Wejdź w sferę snu

Author(s): Zdzisław Łapiński / Language(s): Polish Issue: 5/2016

Łapiński compares Freudian and psychobiological approaches to dreams from the point of view of literary studies.

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W pończosze istota jest… Rozmowa z Karoliną Wiktor
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W pończosze istota jest… Rozmowa z Karoliną Wiktor

Author(s): Klaudia Muca,Karolina Wiktor / Language(s): Polish Issue: 5/2016

This interview touches on the life and work of visual artist Karolina Wiktor and her exploration of her personal experience of aphasia. Wiktor describes aphasia as ‘an explosion of the brain’ or a ‘disfunction of the intellect’. This explosion results in an inability to communicate, to recall memories or to express emotions through language. The author Wołgą przez Afazję [Down the Volga through Aphasia] has successfully recovered the ability to express herself and her experience. In her work she uses a variety of artistic media, creating visual poetry as well as artistic installation. She has also produced what she calls an alphabet of the missing font – a new type of font whose form expresses an aspect of her experience of aphasia.

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Does Cognitive Science of Religion Undermine Religious Belief?

Does Cognitive Science of Religion Undermine Religious Belief?

Author(s): Paul Rezkalla / Language(s): English Issue: 14/2015

In this paper, I discuss what Cognitive Science of Religion is and what its implications are for theism and the veracity of religious belief. Findings in CSR and its counterpart Evolutionary Psychology aim to explain the origin of religious belief. Some critics of religion, however, brandish the findings of CSR in support of their agenda. Their arguments attempt to either argue against the truth of religion or the justification for religious belief. I will argue that neither of these two kinds of arguments accomplishes its goal. Using CSR to falsify religious belief commits the genetic fallacy. The evolutionary debunking argument for undermining justification for religious belief is a more sophisticated approach, but it fails on account of making too many unjustified assumptions. I outline three brief responses to the challenge of unjustified religious belief.

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Mózg a wiara. Neuronalne korelaty przekonań religijnych

Mózg a wiara. Neuronalne korelaty przekonań religijnych

Author(s): Magdalena Senderecka / Language(s): Polish Issue: 61/2016

Are there brain differences between believers and nonbelievers? In order to investigate the effect of religious beliefs on cognitive control, Michael Inzlicht and his collaborators measured the neural correlates of performance monitoring and affective responses to errors, specifically, the error-related negativity (ERN). ERN is a neurophysiological marker occurring within 100 ms of error commission, and generated in the anterior cingulate cortex (ACC). The researchers observed that religious conviction is marked by reduced reactivity in the ACC, a cortical system that is involved in the experience of anxiety and is important for self-regulation. Thus, they claimed that these results offer a mechanism for the finding that religion is linked to positive mental health and low rates of mortality.

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The Development of the Problematic Series Watching Scale (PSWS)

The Development of the Problematic Series Watching Scale (PSWS)

Author(s): Gábor Orosz,Beáta Böthe / Language(s): English Issue: 1/2016

The goal of the present study was to create a short Problematic Series Watching Scale (PSWS). Methods: On the basis of the six components model of Griffiths (2005), six items were identified covering all components of problematic series watching. Confirmatory factor analyses were carried out on two independent samples (N1 = 366, N2 = 752). Results: The PSWS has appropriate factor structure and reliability. The amount of free time was not, but the series watching time was associated with PSWS scores. Women had higher scores than men. Discussion: Before PSWS, no prior scale has been created to measure problematic series watching. Further research is needed to properly assess its validity and reliability; and for examining whether extensive series watching can lead to health-related and psychosocial problems. Conclusions: In the increasingly digitalized world there are many motivational forces which encourage people watching online series. In the light of these changes, research on problematic series watching will be progressively relevant.

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Book Reviews

Book Reviews

Author(s): Virág Márta,Tamás Kollár / Language(s): English Issue: 1/2016

The review of: -„Cognitive Neuroscience: The biology of the mind (International student edition) (4th ed.)“ by Michael S. Gazzaniga, Richard B. Ivry and George R. Mangun; New York, NY: W. W. Norton & Company, 2013, 752 pp. ISBN: 978-0-3939-2228-8 -„The Neurobiology of Addiction“ by Trevor W. Robbins, Barry J. Everitt and David J. Nutt; Oxford, UK: Oxford University Press, 2010, 318 pp. ISBN: 978-0-1995-6215-2

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Феномен тональності у контексті взаємопроникнення засобів виразності європейської музики та живопису: ХІХ–ХХ століття

Author(s): Natalia Valeriyivna Liva / Language(s): Ukrainian Issue: 2/2013

Central place in the article occupies phenomenon of tonality and tonal semantics as a result of a long and gradual process of specific interchange in the sphere of expressive means in European music and painting of the 19– 20th centuries. The article contains examples from the history of European mu-sic and painting which represent different ways of correlation between colors and sounds and shows gradual deepening of their intercommunication. Sound and color – basic expressive means of music and painting – are things of great difference. Sound is comparatively more active. Historically it is a signal for us that warns, puts us on our guard, and compels to act. In subconscious perception of people music is always the art of action. Color has more static character. In spite of this difference a certain concealed tie exists between the two phenomena. This secret connection makes explorers find variants of their synthesis. Musical composition always has visual potential. In particular it finds its way in widespread manner to "decorate" description of music with terms and expressions from painting sphere. Contrary tendencies take place, too: certain specifically musical terms are at use in painting. And, at last, the third category exits which includes those terms and expressions which are equally useful both for mu-sic and painting. For the author’s opinion, tonality as an ambivalent term belongs to this third category. In the stream of European music and painting’s development we can watch different forms of sound and color connection. For example in 16th century Italian artist Giuseppe Arcimboldo (1527–593) invented so called "color harpsichord". That was device maid for the purpose of optimum concordance of music and painting. Sounds of this "color harpsichord" corresponded to concrete color on the special color scale. In the age of Enlightenment a French monk Louis Bertrand Castel (1688–1757) invented similar device. His "color clavicorn" had been planned as an instrument with the help of which deaf people could feel music and "see" musical sound in color. But this invention could not provoke great enthusiasm because of its main defect: people considered that composition of the color scale was subject of individual business. The article shows how tonal semantics gradually formed. Important role in this long process have played baroque and romantic epochs. Thus, baroque epoch had its own tonal semantics. For ex-ample, D major and A major symbolized joy. J. S. Bach used them in his hymnal "Cum sancto spiritu", solemn "Et resurrexit", radiant "Sanctus". Tonality of the High mass, h minor associated with black color and had tragic character. E minor had been considered as "dark" tonality, too. In these tonalities were composed such parts of the High mass as "Kyrie eleison", "Qui tollis", "Crusifixus". However, baroque epoch gives several semantic variants of the same tonality. For example, h minor compositions, written for the flute-traverso, sounded softly and brilliantly. Differences in the interpretation de-pended of the instruments for which musical composition was written. Romantic epoch can be considered as the age when tonality was comprehended as a bearer of concrete semantics. The word "tonality" can be no more specifically musical term. It begins to acquire sense of color in painting. In romantic epoch comes also complete comprehending of color hearing as a really existing phenomenon. Next "explosion" of music and color alliance was musical impressionism which is practically echo of impressionism in painting. "Palette" of sounds and tonalities corresponded combinations of colors, actual for artists. In the course of time these synthetic tendencies only intensify. Retracing evolution of sound and color correlation, it’s necessary to pay attention on the next appropriateness: we can feel the tie between sound and color not in the process of their immediate perception, but only on the mediated level of impressions and moods. Processes of the same nature we can watch in the level of musical and paint image. The article also contains examples that include results non-musical explorations such as neurophysiologic and psychological experiments. Thus, considerable attention has been paid to the re-searches of tonal semantics made by Mykola Jukhnovsky who worked in the State pedagogical university in Vinnitsa and investigated peculiarities of physiologic influence of tonality on human organism. In general different interpretations of tonal semantics have been divided by the author in two groups – so called physiologic and associative conceptions. To the first group (physiologic) belong those which regard tonal semantics as absolute quantity. The second group considers constant sense of tonality as a product of subjective impression which depends of individual peculiarities of concrete person. Tonality has been considered in the article as a term which functions with equal intensiveness both in music and painting spheres and has similar meaning. The Author interprets phenomenon of tonality in music as an analogue of color in painting.

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A Preliminary Study of DBH (Encoding Dopamine Beta-Hydroxylase) Genetic Variation and Neural Correlates of Emotional and Motivational Processing in Individuals with and without Pathological Gambling

A Preliminary Study of DBH (Encoding Dopamine Beta-Hydroxylase) Genetic Variation and Neural Correlates of Emotional and Motivational Processing in Individuals with and without Pathological Gambling

Author(s): Bao-Zhu Yang,Iris M. Balodis,Cheryl M. Lacadie,Jiansong Xu,Marc N. Potenza / Language(s): English Issue: 2/2016

Corticostriatal-limbic neurocircuitry, emotional and motivational processing, dopaminergic and noradrenergic systems and genetic factors have all been implicated in pathological gambling (PG). However, allelic variants of genes influencing dopaminergic and noradrenergic neurotransmitters have not been investigated with respect to the neural correlates of emotional and motivational states in PG. Dopamine beta-hydroxylase (DBH) converts dopamine to norepinephrine; the T allele of a functional single-nucleotide polymorphism rs1611115 (C-1021T) in the DBH gene is associated with less DBH activity and has been linked to emotional processes and addiction. Here, we investigate the influence of rs1611115 on the neural correlates of emotional and motivational processing in PG and healthy comparison (HC) participants. Methods: While undergoing functional magnetic resonance imaging, 18 PG and 25 HC participants, all European Americans, viewed gambling-, sad-, and cocaine-related videotapes. Analyses focused on brain activation differences related to DBH genotype (CC/T-carrier [i.e., CT and TT]) and condition (sad/gambling/cocaine). Results: CC participants demonstrated greater recruitment of corticostriatal-limbic regions, relative to T-carriers. DBH variants were also associated with altered corticostriatal-limbic activations across the different videotape conditions, and this association appeared to be driven by greater activation in CC participants relative to T-carriers during the sad condition. CC relative to T-carrier subjects also reported greater subjective sadness to the sad videotapes. Conclusions: Individual differences in genetic composition linked to aminergic function contribute significantly to emotional regulation across diagnostic groups and warrant further investigation in PG.

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Physiological Markers of Biased Decision-Making in Problematic Internet Users

Physiological Markers of Biased Decision-Making in Problematic Internet Users

Author(s): Maria Nikolaidou,Danaë Stanton Fraser,Neal Hinvest / Language(s): English Issue: 3/2016

Addiction has been reliably associated with biased emotional reactions to risky choices. Problematic Internet use (PIU) is a relatively new concept and its classification as an addiction is debated. Implicit emotional responses were measured in individuals expressing nonproblematic and problematic Internet behaviors while they made risky/ambiguous decisions to explore whether they showed similar responses to those found in agreed-upon addictions. Methods: The design of the study was cross sectional. Participants were adult Internet users (N = 72). All testing took place in the Psychophysics Laboratory at the University of Bath, UK. Participants were given the Iowa Gambling Task (IGT) which provides an index of an individual’s ability to process and learn probabilities of reward and loss. Integration of emotions into current decision-making frameworks is vital for optimal performance on the IGT and thus, skin conductance responses (SCRs) to reward, punishment, and in anticipation of both were measured to assess emotional function. Results: Performance on the IGT did not differ between the groups of Internet users. However, problematic Internet users expressed increased sensitivity to punishment as revealed by stronger SCRs to trials with higher punishment magnitude. Discussion and conclusions: PIU seems to differ on behavioral and physiological levels with other addictions. However, our data imply that problematic Internet users were more risk-sensitive, which is a suggestion that needs to be incorporated into in any measure and, potentially, any intervention for PIU.

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The Possible Role of the Insula in the Epilepsy and the Gambling Disorder of Fyodor Dostoyevsky

The Possible Role of the Insula in the Epilepsy and the Gambling Disorder of Fyodor Dostoyevsky

Author(s): Dalma Tényi,Csilla Gyimesi,Norbert Kovács,Tamás Tényi,József Janszky / Language(s): English Issue: 3/2016

The retrospective diagnosis of Fyodor Mikhailovich Dostoyevsky’s (1821–1881) neurological and psychiatric disease proves to be particularly interesting. Recent neurobiological data suggest a solution to the questions regarding the writer’s retrospective diagnosis, claiming the insular cortex to be the origin of the rare ecstatic seizures. Regarding Dostoyevsky’s pathological gambling, this hypothesis is consistent with another finding from recent neuroscience, namely that the malfunction of the insula could be an important underlying pathology in gambling disorder. Case study: Literary and scientific overview (1928–2015) on the subjects of Dostoyevsky’s epilepsy and gambling disorder. Discussion and conclusion: Taking Dostoyevsky’s neurological (ecstatic seizures) and psychiatric (pathological gambling) disease and the crossroads into consideration, these two disciplines make regarding the underlying pathology, we would like to suggest a speculative theory that these two disorders have a common insular pathomechanism, namely, the malfunctioning of the risk prediction–risk prediction error coding system. Furthermore, based on Dostoyevsky’s case, regarding gambling disorder in general, we would like to hypothesize that the three common gambling-related cognitive distortions (near-miss effect, gambler’s fallacy, and the illusion of control) can be all attributed to the impairment of the anterior insular risk prediction–risk prediction error coding system.

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Addiction in Extreme Sports: An Exploration of Withdrawal States in Rock Climbers

Addiction in Extreme Sports: An Exploration of Withdrawal States in Rock Climbers

Author(s): Robert M. Heirene,David Shearer,Gareth Roderique-Davies,Stephen D. Mellalieu / Language(s): English Issue: 2/2016

Extreme sports athletes are often labeled “adrenaline junkies” by the media, implying they are addicted to their sport. Research suggests during abstinence these athletes may experience withdrawal states characteristic of individuals with an addiction (Celsi, Rose, & Leigh, 1993; Franken, Zijlstra, & Muris, 2006; Willig, 2008). Despite this notion, no research has directly explored withdrawal experiences of extreme sports athletes. Methods: Using semi-structured interviews, we explored withdrawal experiences of high (n = 4) and average-ability (n = 4) male rock climbers during periods of abstinence. We investigated the psychological and behavioral aspects of withdrawal, including craving, anhedonia, and negative affect; and differences in the frequency and intensity of these states between groups. Results: Deductive content analysis indicated support for each of the three categories of anhedonia, craving, and negative affect. Consistent with existing substance addiction literature, high-ability climbers recalled more frequent and intense craving states and negative affect during abstinence compared with average-ability climbers. No differences in anhedonic symptoms between high and average-ability participants were found. Conclusions: Rock climbing athletes appear to experience withdrawal symptoms when abstinent from their sport comparable to individuals with substance and behavioral addictions. The implications of these findings and suggestions for future research are discussed.

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The Relationship Between Study Addiction and Work Addiction: A Cross-Cultural Longitudinal Study

The Relationship Between Study Addiction and Work Addiction: A Cross-Cultural Longitudinal Study

Author(s): Paweł Atroszko,Cecilie Schou Andreassen,Mark D. Griffiths,Ståle Pallesen / Language(s): English Issue: 4/2016

Recent empirical studies investigating “study addiction” have conceptualized it as a behavioral addiction, defined within the framework of work addiction. This study is the first attempt to examine the longitudinal relationship between study addiction and work addiction. Methods: The Bergen Study Addiction Scale (BStAS), the Bergen Work Addiction Scale (BWAS), and the Ten-Item Personality Inventory were administered online together with questions concerning demographics and study-related variables in two waves. In Wave 1, a total of 2,559 students in Norway and 2,177 students in Poland participated. A year later, in Wave 2, 379 Norwegians and 401 Polish who began to work professionally completed the survey. Results: The intraclass correlation between BStAS and BWAS revealed that the scores were somewhat related; however, the relationship was slightly weaker than the temporal stability of both constructs. In the Norwegian sample, scoring higher on neuroticism and lower on learning time outside educational classes in Wave 1 was positively related to work addiction in Wave 2, whereas gender was unrelated to work addiction in Wave 2 when controlling for other studied variables in either samples. Conclusion: Study addiction and work addiction appear to be closely related suggesting that the former may be a precursor for (or an early form of) the latter.

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Relationship of Smartphone Use Severity with Sleep Quality, Depression, and Anxiety In University Students

Relationship of Smartphone Use Severity with Sleep Quality, Depression, and Anxiety In University Students

Author(s): Kadír Demír,Mehmet Akgönül,Abdullah Akpinar / Language(s): English Issue: 2/2015

The usage of smartphones has increased rapidly in recent years, and this has brought about addiction. The aim of the current study was to investigate the relationship between smartphone use severity and sleep quality, depression, and anxiety in university students. Methods: In total, 319 university students (203 females and 116 males; mean age = 20.5 ± 2.45) were included in the study. Participants were divided into the following three groups: a smartphone non-user group (n = 71, 22.3%), a low smartphone use group (n = 121, 37.9%), and a high smartphone use group (n = 127, 39.8%). All participants were evaluated using the Pittsburgh Sleep Quality Index, Beck Depression Inventory, Beck Anxiety Inventory; moreover, participants other than those in the smartphone non-user group were also assessed with the Smartphone Addiction Scale. Results: The findings revealed that the Smartphone Addiction Scale scores of females were significantly higher than those of males. Depression, anxiety, and daytime dysfunction scores were higher in the high smartphone use group than in the low smartphone use group. Positive correlations were found between the Smartphone Addiction Scale scores and depression levels, anxiety levels, and some sleep quality scores. Conclusion: The results indicate that depression, anxiety, and sleep quality may be associated with smartphone overuse. Such overuse may lead to depression and/or anxiety, which can in turn result in sleep problems. University students with high depression and anxiety scores should be carefully monitored for smartphone addiction.

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Bipolar Spectrum Disorders in a Clinical Sample of Patients With Internet Addiction: Hidden Comorbidity or Differential Diagnosis?

Bipolar Spectrum Disorders in a Clinical Sample of Patients With Internet Addiction: Hidden Comorbidity or Differential Diagnosis?

Author(s): Klaus Wölfling,Manfred E. Beutel,Michael Dreier,Kai W. Müller / Language(s): English Issue: 2/2015

Behavioral addictions and bipolar disorders have a certain probability of co-occurrence. While the presence of a manic episode has been defined as an exclusion criterion for gambling disorder, no such exclusion has been formulated for Internet addiction. Methods: A clinical sample of 368 treatment seekers presenting with excessive to addictive Internet use was screened for bipolar spectrum disorders using the Mood Disorder Questionnaire. Psychopathology was assessed by the Symptom Checklist 90R and a clinical interview was administered to screen for comorbid disorders. Results: Comorbid bipolar disorders were more frequent in patients meeting criteria for Internet addiction (30.9%) than among the excessive users (5.6%). This subgroup showed heightened psychopathological symptoms, including substance use disorders, affective disorders and personality disorders. Further differences were found regarding frequency of Internet use regarding social networking sites and online-pornography. Discussion: Patients with Internet addiction have a heightened probability for meeting criteria of bipolar disorders. It is not possible to draw conclusions regarding the direction of this association but it is recommended to implement screening for bipolar disorders in patients presenting with Internet addiction. Conclusion: Similar to gambling disorder, it might prove necessary to subsume bipolar disorders as an exclusion criterion for the future criteria of Internet addiction.

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Commentary on: Are we overpathologizing everyday life? A tenable blueprint for behavioral addiction research. On the slippery slopes: The case of gambling addiction

Commentary on: Are we overpathologizing everyday life? A tenable blueprint for behavioral addiction research. On the slippery slopes: The case of gambling addiction

Author(s): Luke Clark / Language(s): English Issue: 3/2015

Billieux et al. (2015) propose that the recent proliferation of behavioral addictions has been driven by deficiencies in the underlying research strategy. This commentary considers how pathological gambling (now termed gambling disorder) traversed these challenges to become the first recognized behavioral addiction in the DSM-5. Ironically, many similar issues continue to exist in research on gambling disorder, including question-marks over the validity of tolerance, heterogeneity in gambling motives, and the under-specification of neuroimaging biomarkers. Nevertheless, I contend that the case for gambling disorder as a behavioral addiction has been bolstered by the existence of clear and consistent functional impairment (primarily in the form of debt), coupled with the development of a public health approach that has given emphasis to product features (i.e. the structural characteristics of gambling forms) as much as individual dispositions (the ‘addictive personality’).

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‘Wanting’ and ‘liking’ skin picking: A validation of the Skin Picking Reward Scale

‘Wanting’ and ‘liking’ skin picking: A validation of the Skin Picking Reward Scale

Author(s): Ivar Snorrason,Ragnar P. Olafsson,David C. Houghton,Douglas W. Woods,Han-Joo Lee / Language(s): English Issue: 4/2015

Excoriation (skin-picking) disorder (SPD) is often conceptualized as a behavioral addiction in which aberrant reward processing may play an important role. The current study sought to develop a self-report instrument – the Skin Picking Reward Scale (SPRS) – that measures how strongly skin picking is ‘liked’ (i.e., the degree of pleasurable feelings while receiving the reward) and ‘wanted’ (i.e., the degree of the motivation to seek the reward). Methods: We administered the SPRS to individuals who endorsed excessive skin picking in online surveys and examined the scale’s factor structure (Studies 1 and 2). We then asked individuals with documented pathological skin picking to complete the SPRS and other relevant questionnaires on two occasions one week apart (Study 3). Results: Exploratory (Study 1; n = 330) and confirmatory (Study 2; n = 144) factor analyses consistently supported a two-factor structure reflecting the ‘liking’ and ‘wanting’ constructs. Results from Study 3 (N = 36) indicated that the Wanting and the Liking scales had adequate internal consistency and test–retest reliability. Additionally, consistent with predictions, the Wanting scale, but not the Liking scale, was associated with picking urges the following week, greater cue-reactivity, and more picking-related routines/habits. Discussion: These initial findings suggest that SPRS is a psychometrically sound measure of ‘wanting’ and ‘liking’ in pathological skin picking. The SPRS may facilitate research on reward processing anomalies in SPD and serve as a useful clinical instrument (e.g., to identify those at risk for cue-induced relapse).

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