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Orłowski P, Hobot J, Ruban A, Szczypiński J, Bola M. Naturalistic use of psychedelics does not modulate processing of self-related stimuli (but it might modulate attentional mechanisms): An event-related potentials study. Psychophysiology 2024:e14583. [PMID: 38584307 DOI: 10.1111/psyp.14583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 03/22/2024] [Accepted: 03/26/2024] [Indexed: 04/09/2024]
Abstract
Classic psychedelics are able to profoundly alter the state of consciousness and lead to acute experiences of ego dissolution - the blurring of the distinction between representations of self and the external world. However, whether repeated use of psychedelics is associated with more prolonged and permanent modifications to the concept of self remains to be investigated. Therefore, we conducted a preregistered, cross-sectional study in which experienced psychedelics users (15 or more lifetime experiences with psychedelics; N = 56) were compared to nonusers (N = 57) in terms of neural reactivity to a Self-name (i.e., each participant's own name) stimulus, which is known to robustly activate a representation of self. Two control stimuli were additionally used: an Other-name stimulus, as a passive control condition in which no reaction was required, and a Target-name stimulus, to which participants provided a manual response and which thus constituted an active control condition. Analysis of the amplitude of the P300 ERP component evoked by the Self- or Target-names revealed no difference between the psychedelics users and nonusers. However, psychedelic users exhibited increased P300 amplitude during perception of Other-names. In addition, in comparison to nonusers, psychedelics users exhibited a smaller increase in P300 amplitude when processing the task-relevant Target-names (in relation to both Self- and Other-names). Therefore, our data suggests that regular naturalistic use of psychedelics may not be related to long-term changes in the representation of self, but it might potentially affect the allocation of attentional resources to task-relevant stimuli.
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Affiliation(s)
- Paweł Orłowski
- Centre for Brain Research, Jagiellonian University, Kraków, Poland
- Doctoral School in the Social Sciences, Jagiellonian University, Kraków, Poland
| | - Justyna Hobot
- Consciousness Lab, Psychology Institute, Jagiellonian University, Kraków, Poland
| | - Anastasia Ruban
- Department of Psychology, SWPS University of Social Sciences and Humanities, Warsaw, Poland
| | - Jan Szczypiński
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland
| | - Michał Bola
- Centre for Brain Research, Jagiellonian University, Kraków, Poland
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Kowalski J, Szczypiński J, Aleksandrowicz A, Bagrowska P, Dąbkowska M, Pionke-Ubych R, Gawęda Ł. Assessing psychotic-like experiences using categorical and metacognitive approaches: A validation of polish self-report measures. Early Interv Psychiatry 2024. [PMID: 38318936 DOI: 10.1111/eip.13504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 11/08/2023] [Accepted: 01/24/2024] [Indexed: 02/07/2024]
Abstract
AIM Psychotic-like experiences (PLEs) are experiences in the general population that, in their extreme form, are attributed to clinical psychosis. They are correlated with general psychopathology and increased risk of developing psychosis. Previous research show a multitude of measuring tools which most often lack psychometric validation. This study aimed to examine both categorical and metacognitive measures of PLEs. METHODS Confirmatory Factor Analysis (CFA) was used in seven online studies with n's ranging from 259 to 6772 to explore factor structures of Prodromal Questionnaire 16 item (PQ-16), Revised Green et al. Paranoid Thoughts Scale (R-GPTS), Multi-Modality Unusual Sensory Experiences Questionnaire (MUSEQ), Beliefs about Paranoia Scale (BAPS) and Interpretation of Voices Inventory (IVI). Additionally, we explored measurement invariance between diagnosed with psychiatric disorders and undiagnosed individuals in PQ-16, R-GPTS and BAPS. RESULTS We confirmed the factor structures of all questionnaires except IVI. We confirmed configural, threshold and metric measurement invariance in R-GPTS and BAPS and partially PQ-16. CONCLUSIONS The current results demonstrate structural validity and measurement invariance of several categorical and metacognitive measures of PLEs.
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Affiliation(s)
- Joachim Kowalski
- Experimental Psychopathology Lab, Institute of Psychology, Polish Academy of Sciences, Warsaw, Poland
| | - Jan Szczypiński
- Laboratory of Brain Imaging, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland
| | - Adrianna Aleksandrowicz
- Experimental Psychopathology Lab, Institute of Psychology, Polish Academy of Sciences, Warsaw, Poland
| | - Paulina Bagrowska
- Experimental Psychopathology Lab, Institute of Psychology, Polish Academy of Sciences, Warsaw, Poland
| | - Małgorzata Dąbkowska
- Experimental Psychopathology Lab, Institute of Psychology, Polish Academy of Sciences, Warsaw, Poland
| | - Renata Pionke-Ubych
- Experimental Psychopathology Lab, Institute of Psychology, Polish Academy of Sciences, Warsaw, Poland
| | - Łukasz Gawęda
- Experimental Psychopathology Lab, Institute of Psychology, Polish Academy of Sciences, Warsaw, Poland
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Orłowski P, Hobot J, Ruban A, Szczypiński J, Bola M. The relation between naturalistic use of psychedelics and perception of emotional stimuli: An event-related potential study comparing non-users and experienced users of classic psychedelics. J Psychopharmacol 2024; 38:68-79. [PMID: 38069478 DOI: 10.1177/02698811231216322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
BACKGROUND Previous research has suggested that controlled administration of psychedelic substances can modulate emotional reactivity, enhancing positive and diminishing negative emotions. However, it is unclear whether similar effects are associated with using psychedelics in less-controlled naturalistic environments. AIMS This cross-sectional study investigated the neural markers associated with the perception of emotional stimuli in individuals with extensive experience of naturalistic psychedelic use (15 or more lifetime experiences), comparing them to non-users. METHODS Electroencephalography (EEG) signals were recorded from two groups: experienced psychedelics users (N = 56) and non-users (N = 55). Participants were presented with facial images depicting neutral or emotional expressions (anger, sadness, and happiness). Event-related potential (ERP) components were analyzed as indices of emotional reactivity. RESULTS Psychedelic users were characterized by significantly lower amplitudes of the N200 component in response to fearful faces, in comparison to non-users. In addition, interaction effects between Group and Emotional expression were observed on N170 and N200 amplitudes, indicating group differences in the processing of fearful faces. However, no significant between-group differences emerged in the analysis of later ERP components associated with attention and cognitive processes (P200 and P300). CONCLUSIONS The results suggest that naturalistic use of psychedelics may be linked to reduced reactivity to emotionally negative stimuli at the early and automatic processing stages. Our study contributes to a better understanding of the effects related to using psychedelics in naturalistic contexts.
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Affiliation(s)
- Paweł Orłowski
- Laboratory of Brain Imaging, Nencki Institute of Experimental Biology of Polish Academy of Sciences, Poland
| | - Justyna Hobot
- Consciousness Lab, Psychology Institute, Jagiellonian University, Kraków, Poland
| | - Anastasia Ruban
- Department of Psychology, SWPS University of Social Sciences and Humanities, Warsaw, Poland
| | - Jan Szczypiński
- Laboratory of Brain Imaging, Nencki Institute of Experimental Biology of Polish Academy of Sciences, Poland
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland
| | - Michał Bola
- Laboratory of Brain Imaging, Nencki Institute of Experimental Biology of Polish Academy of Sciences, Poland
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Orłowski P, Ruban A, Szczypiński J, Hobot J, Bielecki M, Bola M. Naturalistic use of psychedelics is related to emotional reactivity and self-consciousness: The mediating role of ego-dissolution and mystical experiences. J Psychopharmacol 2022; 36:987-1000. [PMID: 35475373 DOI: 10.1177/02698811221089034] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Psychedelics are able to acutely alter emotional reactivity and self-consciousness. However, whether the regular naturalistic use of psychedelics can be linked to more persistent trait-level changes in these domains remains an open question. AIM To test the hypotheses that (1) using psychedelics is related to higher positive and lower negative emotional reactivity; and (2) an adaptive pattern of self-consciousness, including diminished public self-consciousness and rumination, and increased reflection and self-awareness; and (3) these relations are mediated by the intensity of past ego-dissolution and mystical experiences. METHOD An online survey including questions about the history of psychoactive substance use; questionnaires measuring trait levels of emotional reactivity and self-consciousness; questionnaires for retrospective assessment of ego-dissolution and mystical experiences. Data collected from 2516 participants (1661 psychedelics users) were analyzed using robust linear regression and mediation analysis. RESULTS A higher number of lifetime uses of psychedelics predicted greater positive and lower negative emotional reactivity; also, in the domain of self-consciousness, it predicted greater reflection and internal state awareness, and reduced rumination tendency and public self-consciousness. Finally, the intensity of past mystical and ego-dissolution experiences mediated almost all the observed relationships between the lifetime number of psychedelics uses and psychological variables. CONCLUSIONS Lifetime psychedelics use predicts an adaptive pattern of trait-level emotional reactivity and self-consciousness. Ego-dissolution and mystical experiences are essential in understanding the long-lasting psychological effects of psychedelics use. Our findings might potentially explain previous observations of increased well-being in psychedelics users.
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Affiliation(s)
- Paweł Orłowski
- Laboratory of Brain Imaging, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
| | - Anastasia Ruban
- Department of Psychology, SWPS University of Social Sciences and Humanities, Warsaw, Poland
| | - Jan Szczypiński
- Laboratory of Brain Imaging, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
| | - Justyna Hobot
- Consciousness Lab, Institute of Psychology & Centre for Brain Research, Jagiellonian University, Krakow, Poland.,Center of Functionally Integrative Neuroscience, Aarhus University, Aarhus, Denmark
| | - Maksymilian Bielecki
- Department of Psychology, SWPS University of Social Sciences and Humanities, Warsaw, Poland
| | - Michał Bola
- Laboratory of Brain Imaging, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
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Szczypiński J, Wypych M, Krasowska A, Wiśniewski P, Kopera M, Suszek H, Marchewka A, Jakubczyk A, Wojnar M. Abnormal behavioral and neural responses in the right dorsolateral prefrontal cortex during emotional interference for cognitive control in pedophilic sex offenders. J Psychiatr Res 2022; 151:131-135. [PMID: 35477077 DOI: 10.1016/j.jpsychires.2022.04.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 03/17/2022] [Accepted: 04/18/2022] [Indexed: 11/16/2022]
Abstract
Studies within the last decade have reported neural and behavioral differences in cognitive control between men with the pedophilic disorder who commit (CSO+) and do not commit (CSO-) child sexual abuse. Prior studies reported a higher number of errors in Go/Nogo task and lower activity of the prefrontal cortex in NoGo trials, in CSO+ compared with CSO-. Moreover, negative mood was reported as a risk factor for child sexual abuse in pedophilic men. We aimed to examine differences in brain function and behavior between CSO+ and CSO- patients regarding emotional interference on cognitive processes and inhibition. We recruited CSO+ (n = 11) and CSO- (n = 14) patients as well as matched healthy controls (HC) (n = 17). Participants performed the affective Go/NoGo task in a block-design functional magnetic resonance imaging experiment. The task comprised the following four conditions: Negative Go, including only Go stimuli and negatively valenced pictures; Negative NoGo, including 50% of Go and 50% of NoGo trials as well as negatively valenced pictures; and two corresponding conditions with neutral pictures. Brain analysis was restricted to the dorsolateral prefrontal (DLPFC), orbitofrontal, and anterior cingulate cortices. The HC and CSO- groups, but not the CSO+ group, showed significantly slower reactions in negative blocks compared with neutral blocks. Brain analysis revealed increased activation in the right DLPFC during emotional interference contrast (Negative > Neutral) in the HC and CSO- groups; however, there was decreased activation in the CSO+ group. In the CSO+ group, negative distractors did not increase cognitive control processes, which was observed in the CSO- and HC groups at the behavioral and neural levels. These results support previous reports indicating offender status is associated with cognitive and emotional impairments.
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Affiliation(s)
- Jan Szczypiński
- Department of Psychiatry, Medical University of Warsaw, Nowowiejska 27, 00-665, Warsaw, Poland; Laboratory of Brain Imaging, Nencki Institute of Experimental Biology of Polish Academy of Sciences, Pasteur 3, 02-093, Warsaw, Poland.
| | - Marek Wypych
- Laboratory of Brain Imaging, Nencki Institute of Experimental Biology of Polish Academy of Sciences, Pasteur 3, 02-093, Warsaw, Poland
| | - Aleksandra Krasowska
- Department of Psychiatry, Medical University of Warsaw, Nowowiejska 27, 00-665, Warsaw, Poland
| | - Paweł Wiśniewski
- Department of Psychiatry, Medical University of Warsaw, Nowowiejska 27, 00-665, Warsaw, Poland
| | - Maciej Kopera
- Department of Psychiatry, Medical University of Warsaw, Nowowiejska 27, 00-665, Warsaw, Poland
| | - Hubert Suszek
- Faculty of Psychology, University of Warsaw, Stawki 5/7, 00-183, Warsaw, Poland
| | - Artur Marchewka
- Laboratory of Brain Imaging, Nencki Institute of Experimental Biology of Polish Academy of Sciences, Pasteur 3, 02-093, Warsaw, Poland
| | - Andrzej Jakubczyk
- Department of Psychiatry, Medical University of Warsaw, Nowowiejska 27, 00-665, Warsaw, Poland
| | - Marcin Wojnar
- Department of Psychiatry, Medical University of Warsaw, Nowowiejska 27, 00-665, Warsaw, Poland; Department of Psychiatry, University of Michigan, 1500 E Medical Center Dr, Ann Arbor, MI, 48109, USA.
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Szczypiński J, Jakubczyk A, Kopera M, Trucco E, Wojnar M. Impulsivity Scale-12 and its utilization in alcohol use disorder. Drug Alcohol Depend 2021; 225:108809. [PMID: 34175785 PMCID: PMC8311392 DOI: 10.1016/j.drugalcdep.2021.108809] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 03/23/2021] [Accepted: 04/13/2021] [Indexed: 12/16/2022]
Abstract
INTRODUCTION One of the core symptoms of alcohol use disorder (AUD) is impulsivity. The recently published study on the Impulsivity Scale 12 (IS-12) offers a promising tool to use in clinics working with clients with AUD due to its simplicity. IS-12 includes subscales related tocognitive impulsivity and behavioral impulsivity, which are related to different aspects of AUD symptomatology. The aim of the study was to adapt IS-12 to polish and test its utility in a sample of patients diagnosed with AUD. METHODS Using a Confirmatory Factor Analysis, we compared the two-factor model of the Polish adaptation of the BIS-11 and the IS-12 on a sample of 615 patients diagnosed with AUD. Additionally, we explored the association between the IS-12's cognitive impulsivity and behavioral impulsivity subscales and depressive symptoms, AUD severity, and suicidal ideation using Structural Equation Modeling on a subsample of 450 patients with AUD. RESULTS The IS-12 demonstrated a better model fit and good reliability compared to the BIS-11. Moreover, cognitive impulsivity predicted suicidal ideation, but not AUD severity, while behavioral impulsivity predicted AUD severity, but not suicidal ideation. Both subscales of IS-12 predicted depressive symptoms. CONCLUSION Consistent with prior work, findings indicate that the second-order factor model of the BIS-11 had reliability issues and evidenced poor model fit. In contrast, the IS-12 demonstrated a satisfactory model fit and was predictive of clinical symptomatology. Thus, utilizing an easy tool, such as IS-12, might be beneficial for researchers and clinicians working with patients with AUD.
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Affiliation(s)
- Jan Szczypiński
- Laboratory of Brain Imaging, Nencki Institute of Experimental Biology of Polish Academy of Sciences, Warsaw, Poland; Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland.
| | - Andrzej Jakubczyk
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland
| | - Maciej Kopera
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland
| | - Elisa Trucco
- Department of Psychology and the Center for Children and Families, Florida International University, Miami, FL, USA; Department of Psychiatry, University of Michigan, Ann Arbor, MI, USA
| | - Marcin Wojnar
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland; Department of Psychiatry, University of Michigan, Ann Arbor, MI, USA
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Szczypiński J, Wypych M, Michalska A, Krasowska A, Kopera M, Suszek H, Marchewka A, Jakubczyk A, Wojnar M. Pedophilic sex offender show reduced actiation in the right dlpfc during integration of emotion and cognition – preliminary results. Eur Psychiatry 2021. [PMCID: PMC9475693 DOI: 10.1192/j.eurpsy.2021.1102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Introduction The pedophilic disorder is characterized by a sexual preference for children and leads to child sexual abuse (CSA) in half of the patients. Studies showed that pedophiles with a history of CSA (CSA+) are inferior, in inhibitory control, to those without (CSA-). Objectives Inhibitory control may be influenced by negative affectivity, which was shown to be a state factor facilitating sexual abuse. Nevertheless, it is not known if distress influence CSA+ and CSA- equally. Methods We recruited three groups of participants: healthy controls (HC) CSA+ and CSA- who performed an emotional Go-NoGo block task. The task was design specifically to correspond to a situation in which an indivisual is opposed by a negative life event. In each trial, participants were presented with photographs, either of neutral or negative valence, which did not require reaction. After the photographs, a circle (Go stimuli) or a square (NoGo stimuli) was presented.![]() Results We found that HC and CSA- had slower reaction time in negative compared to neutral condition (regardless of the block type), while CSA+ did not. Consequently, HC and CSA- showed increased activation in the right dorsolateral prefrontal cortex (DLPFC) in negative compared to the neutral condition, what was not observed in CSA+.![]() Conclusions DLPFC is crucial for cognitive control, however, the activity of this region is modulated by emotional valence. Reduced engagement of dlPFC in CSA+ in negative condition (irrespectively of the task instructions), suggest that negative emotions in CSA+ disrupt also other aspects of cognitive control, rather than inhibition specifically.
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Szczypiński J, Alińska A, Waligóra M, Kopera M, Krasowska A, Michalska A, Suszek H, Jakubczyk A, Wypych M, Wojnar M, Marchewka A. Familiarity with children improves the ability to recognize children's mental states: an fMRI study using the Reading the Mind in the Eyes Task and the Nencki Children Eyes Test. Sci Rep 2020; 10:12964. [PMID: 32737383 PMCID: PMC7395771 DOI: 10.1038/s41598-020-69938-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 07/21/2020] [Indexed: 11/09/2022] Open
Abstract
Theory of mind plays a fundamental role in human social interactions. People generally better understand the mental states of members of their own race, a predisposition called the own-race bias, which can be significantly reduced by experience. It is unknown whether the ability to understand mental states can be similarly influenced by own-age bias, whether this bias can be reduced by experience and, finally, what the neuronal correlates of this processes are. We evaluate whether adults working with children (WC) have an advantage over adults not working with children (NWC) in understanding the mental states of youngsters. Participants performed fMRI tasks with Adult Mind (AM) and Child Mind (CM) conditions based on the Reading the Mind in the Eyes test and a newly developed Nencki Children Eyes test. WC had better accuracy in the CM condition than NWC. In NWC, own-age bias was associated with higher activation in the posterior superior temporal sulcus (pSTS) in AM than in CM. This effect was not observed in the WC group, which showed higher activation in the pSTS and inferior frontal gyri in CM than in AM. Therefore, activation in these regions is required for the improvement in recognition of children's mental states caused by experience.
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Affiliation(s)
- Jan Szczypiński
- Laboratory of Brain Imaging (LOBI), Nencki Institute of Experimental Biology, Polish Academy of Sciences, Pasteur 3, 02-093, Warsaw, Poland.
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland.
| | - Anna Alińska
- Laboratory of Brain Imaging (LOBI), Nencki Institute of Experimental Biology, Polish Academy of Sciences, Pasteur 3, 02-093, Warsaw, Poland
| | - Marek Waligóra
- Laboratory of Brain Imaging (LOBI), Nencki Institute of Experimental Biology, Polish Academy of Sciences, Pasteur 3, 02-093, Warsaw, Poland
- Laboratory of Neuroinformatics, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
| | - Maciej Kopera
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland
| | | | - Aneta Michalska
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland
| | - Hubert Suszek
- Faculty of Psychology, University of Warsaw, Warsaw, Poland
| | - Andrzej Jakubczyk
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland
| | - Marek Wypych
- Laboratory of Brain Imaging (LOBI), Nencki Institute of Experimental Biology, Polish Academy of Sciences, Pasteur 3, 02-093, Warsaw, Poland
| | - Marcin Wojnar
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland
- Department of Psychiatry, University of Michigan, Ann Arbor, MI, USA
| | - Artur Marchewka
- Laboratory of Brain Imaging (LOBI), Nencki Institute of Experimental Biology, Polish Academy of Sciences, Pasteur 3, 02-093, Warsaw, Poland.
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Klimkiewicz A, Jakubczyk A, Mach A, Abramowska M, Serafin P, Szczypiński J, Demkow M, Wojnar M. Psychometric Properties of the Polish version of the Drug-Use Disorders Identification Test. Eur Addict Res 2020; 26:131-140. [PMID: 32062646 DOI: 10.1159/000506156] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Accepted: 01/24/2020] [Indexed: 11/19/2022]
Abstract
BACKGROUND Substance use is a growing problem worldwide, and there is a great need to develop national policies addressing prevention and treatment of substance-use disorders (SUD). However, the lack of a commonly used, valuable diagnostic tool to assess the symptoms of SUDs precludes comparison of the prevalence of drug-use problems as well as the efficacy of policy strategies applied in different countries. This study was conducted to validate one of the commonly used scales the Drug Use Disorders Identification Test (the DUDIT) for use in Polish condition. OBJECTIVES The aims of this study were to test the reliability of the DUDIT in the Polish population, to confirm the comparative stability of the factor structure of the instrument, and to verify previously proposed DUDIT cutoff scoring. METHODS The group of drug users comprised 127 patients aged 19-40 years (mean age 30.37, SD 6.36) with a diagnosis of SUD, while the control group consisted of 533 students aged 19-25 years (mean age 20.72, SD 1.88). All participants completed the Polish version of the DUDIT. Internal consistency of the Polish version of the DUDIT was determined, and subsequently external validation was performed. RESULTS Analysis showed that the Polish version of the DUDIT was characterized by a good reliability based on Cronbach's α, with a value of 0.92. The between-group comparison revealed a significant difference between the control group and substance-dependent patients corresponding to a large effect size (Cohen's d = 3.27). The receiver-operating characteristic analysis, comparing the DUDIT score to the ICD-10 diagnosis of SUD, showed an optimal cutoff value of 7 points, with a sensitivity of 0.929 and a specificity of 0.974. CONCLUSION These results constitute preliminary evidence that the Polish version of the DUDIT may be a valid and reliable screening tool for drug-use disorders in the Polish population.
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Affiliation(s)
- Anna Klimkiewicz
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland.,Nowowiejski Psychiatric Hospital, Warsaw, Poland
| | - Andrzej Jakubczyk
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland.,Nowowiejski Psychiatric Hospital, Warsaw, Poland
| | - Anna Mach
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland, .,Nowowiejski Psychiatric Hospital, Warsaw, Poland,
| | | | | | - Jan Szczypiński
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland.,Laboratory of Brain Imaging, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
| | - Marta Demkow
- Nowowiejski Psychiatric Hospital, Warsaw, Poland
| | - Marcin Wojnar
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland.,Nowowiejski Psychiatric Hospital, Warsaw, Poland.,Department of Psychiatry, University of Michigan, Ann Arbor, Michigan, USA
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Mach A, Demkow-Jania M, Klimkiewicz A, Jakubczyk A, Abramowska M, Kuciak A, Serafin P, Szczypiński J, Wojnar M. Adaptation and Validation of the Polish Version of the 10-Item Mobile Phone Problematic Use Scale. Front Psychiatry 2020; 11:427. [PMID: 32581858 PMCID: PMC7283544 DOI: 10.3389/fpsyt.2020.00427] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 04/27/2020] [Indexed: 11/13/2022] Open
Abstract
Pathological use of smartphones may be the biggest non-drug addiction of the 21st century. Therefore, rapid screening tools designed for easy identification of people with problematic mobile phone use are needed. The main aim of the present study was to validate a short version of the Mobile Phone Problematic Use Scale (MPPUS-10) in the Polish population. The study comprised 640 university students aged 18-38 years. We used a self-report questionnaire that included questions regarding socio-demographic variables and Polish versions of the Mobile Phone Problem Use Scale (MPPUS-10), Mobile Phone Addiction Assessment Questionnaire (MPAAQ in Polish KBUTK), and Internet Addiction Test (IAT) by Kimberly Young. The analysis showed high reliability for the final Polish version of MPPUS-10 (Cronbach's α = 0.78) and confirmed a significant correlation between the MPPUS-10 and the MPAAQ, which was previously used in Poland (rho = 0.56; p < 0.001). Due to the poor correlation of item number 10 with other items, we suggest dropping this item and using the nine-item Polish version. Our result also confirmed significant correlation between the MPPUS-10 and the IAT (rho = 0.54; p < 0.001). The contribution of the study is the Polish validation and adaptation of the MPPUS-10 scale with confirmed psychometric values. It provides a quick and convenient screening tool to assess problematic mobile phone use. Our results also indicate the need for a revision of available diagnostic tools in Poland.
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Affiliation(s)
- Anna Mach
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland.,Nowowiejski Psychiatric Hospital, Warsaw, Poland
| | | | - Anna Klimkiewicz
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland.,Nowowiejski Psychiatric Hospital, Warsaw, Poland
| | - Andrzej Jakubczyk
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland.,Nowowiejski Psychiatric Hospital, Warsaw, Poland
| | | | - Anna Kuciak
- Polish Society for Prevention of Drug Abuse, Warsaw, Poland
| | | | - Jan Szczypiński
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland.,Laboratory of Brain Imaging, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
| | - Marcin Wojnar
- Department of Psychiatry, Medical University of Warsaw, Warsaw, Poland.,Nowowiejski Psychiatric Hospital, Warsaw, Poland.,Department of Psychiatry, University of Michigan, Ann Arbor, MI, United States
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Gmaj B, Majkowski J, Szczypiński J, Jędrzejczak J, Majkowska-Zwolińska B, Wojnar M, Gawłowicz J, Januszko P, Park SP, Nagańska E, Ziemka S, Wołyńczyk-Gmaj D. Validation of the Polish version of the Neurological Disorders Depression Inventory for Epilepsy (P-NDDI-E). Journal of Epileptology 2018. [DOI: 10.21307/jepil-2018-007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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12
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13
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Kokowska J, Szczypiński J, Wrocławski J. [Effect of tolazoline and papaverine on retinal blood vessels]. Klin Oczna 1987; 89:92-4. [PMID: 3657034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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14
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Szymaniak R, Szczypiński J, Sek B. [Effect of bencyclane on the visual field in glaucoma]. Klin Oczna 1987; 89:100-1. [PMID: 3309448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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15
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Szczypiński J, Cybulski S. [Surgical correction of small ptosis]. Klin Oczna 1986; 88:249-50. [PMID: 3795849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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16
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Weclewicz-Sobczyńska H, Szczypiński J, Ziemiański A. [Path of tear outflow after external naso-lacrimal anastomosis]. Klin Oczna 1985; 87:406-8. [PMID: 3831556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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17
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Ziemiański A, Szczypiński J, Weclewicz-Sobczyńska H. [Radiological examination of lacrimal passages. Technic, anatomy, indications]. Klin Oczna 1985; 87:357-8. [PMID: 3831582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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18
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Szczypiński J, Bartkowska-Orłowska M. [Retinal detachment caused by laser coagulation of the fundus oculi]. Klin Oczna 1984; 86:197-200. [PMID: 6542159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
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19
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Szczypiński J, Kawczyńska D, Rózańska J, Lyczyńska A. [Bacteriostatic effects of aqueous solutions of cocaine and tetracaine]. Klin Oczna 1983; 85:341-2. [PMID: 6420607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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20
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Szczypiński J, Kokowska J. [Comparison of corneal and corneo-scleral incisions used in cataract extraction]. Klin Oczna 1983; 85:217-9. [PMID: 6358648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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21
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Szczypiński J. [Laser coagulation of retinal vessels with light of different wavelengths]. Klin Oczna 1983; 85:193-5. [PMID: 6685792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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22
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Szczypiński J. [Closure of the large choroid blood vessels after experimental laser coagulation of the fundus oculi]. Klin Oczna 1982; 84:299-301. [PMID: 6892116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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23
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Szczypiński J, Paprzycki R, Witaszek J. [Cauter for ophthalmological surgery]. Klin Oczna 1982; 84:235. [PMID: 7154604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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24
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Szczypiński J. [Laser coagulation of the retina with light of different wavelength (author's transl)]. Klin Oczna 1981; 83:197-200. [PMID: 7198167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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25
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Plucińska H, Szczypiński J, Zachwatowicz B. [Ultrasonography A in the diagnosis of intraocular tumours (author's transl)]. Klin Oczna 1981; 83:85-7. [PMID: 7265774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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26
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Szczypiński J. [Photography of eye fundus blood vessels in monochromatic light (author's transl)]. Klin Oczna 1981; 83:67-8. [PMID: 7265771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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27
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Szczypiński J. [Factors contributing to experimental arrest of blood flow in the retinal artery achieved by means of laser beam coagluation (author's transl)]. Klin Oczna 1980; 82:127-30. [PMID: 6771459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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28
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Szczypiński J, Orłowski WJ. [Subretinal space in rhegmatogenous retinal detachment. An ultrasonographic study. (author's transl)]. Klin Oczna 1977; 47:551-2. [PMID: 609257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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29
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Szczypiński J, Smogulecka E. [Fixation of eyes in presence of macular hole without retinal detachment (author's transl)]. Klin Oczna 1977; 47:553-5. [PMID: 609258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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30
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Mondelski S, Szczypiński J, Plucińska H. [Cyanacrylate glue (histacryl) used for experimental scleral infolding (author's transl)]. Klin Oczna 1977; 47:541-4. [PMID: 564985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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31
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Kaluzny J, Szczypiński J, Szwarcowa C. [Some materials used as episcleral implants. I. Clinical observations]. Klin Oczna 1976; 46:1177-82. [PMID: 994417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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32
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Szczypiński J, Sieńkowa E. [Eyeball wall invagination in ultrasonographic picture]. Klin Oczna 1976; 46:1227-31. [PMID: 994426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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33
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Szwarcowa C, Kaluzny J, Szczypiński J. [Some materials used as episcleral implants. 3. Histological examination]. Klin Oczna 1976; 46:1189-91. [PMID: 994419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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34
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Szczypiński J, Szwarcowa C, Kaluzny J. [Some materials used as episcleral implants. II. Ultrasonographic studies]. Klin Oczna 1976; 46:1183-8. [PMID: 994418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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35
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Szczypiński J. [Macular holes]. Klin Oczna 1975; 45:1161-7. [PMID: 1186030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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36
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Szczypiński J. [Ultrasonography of the orbit by way of A-scan. 2. Diagnosis of exophthalmos]. Klin Oczna 1975; 45:601-7. [PMID: 1138117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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37
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Szczypiński J. [Ultrasonography of the obrit by use of A-scan. 1. Normal orbit]. Klin Oczna 1975; 45:595-9. [PMID: 1138116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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38
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Bartkowska-Orlowska M, Szczypiński J. [Pigment granules in the vitreous body in uncomplicated retinal detachment]. Klin Oczna 1974; 14:1043-7. [PMID: 4422102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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39
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Bernardczykowa A, Szczypiński J. [Documentation of changes in the vitreous body]. Klin Oczna 1974; 14:969-73. [PMID: 4425150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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40
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Bartkowska-Orlowska M, Szczypiński J, Pecoldowa K, Dalkowska A, Wojnerowicz-Pawlakowa E. [Effect of glycerosorbitol on some parameters of rabbit vitreous body]. Klin Oczna 1974; 14:997-1004. [PMID: 4419198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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41
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Szczypiński J, Bartkowska-Orlowska M. [Ultrasonography of the vitreous body]. Klin Oczna 1974; 14:981-9. [PMID: 4423627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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42
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Szczypiński J, Gogolkiewicz J. [Peripheral tearing of the retina and choroid following blunt trauma to the eyeball]. Klin Oczna 1974; 44:817-9. [PMID: 4410368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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43
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Szczypiński J. [Ultrasonometry in operations shortening the eyeball. II. Late studies]. Klin Oczna 1974; 44:33-6. [PMID: 4453080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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44
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Szczypiński J. [Ultrasonic ophthalmobiometry. II. Results of anatomical and functional biometry]. Klin Oczna 1973; 43:1381-4. [PMID: 4769388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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45
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Szczypiński J. [Ultrasound ophthalmobiometry. I. Technics]. Klin Oczna 1973; 43:1055-9. [PMID: 4756275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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46
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Szczypiński J, Laszczyk W. [Diagnostic difficulties in malignant melanoma of the choroid]. Klin Oczna 1968; 38:385-389. [PMID: 5669954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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