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Moretta T, Franceschini C, Musetti A. Loneliness and problematic social networking sites use in young adults with poor vs. good sleep quality: The moderating role of gender. Addict Behav 2023; 142:107687. [PMID: 36917895 DOI: 10.1016/j.addbeh.2023.107687] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 02/23/2023] [Accepted: 03/04/2023] [Indexed: 03/09/2023]
Abstract
Despite the evidence of a relationship between loneliness, problematic social networking sites use (PSNSU), and sleep quality, associations between specific PSNSU symptoms and loneliness in individuals with poor vs. good sleep quality and possible gender differences have yet to be understood. We examined the relationships between loneliness and PSNSU symptoms (i.e., preference for online social interaction - POSI, mood regulation, deficient self-regulation, and negative outcomes), and possible moderating effects of gender for individuals with poor vs. good sleep quality. Seven hundred and sixty-three young adults completed an online survey including self-report measures of sleep quality, loneliness, and PSNSU symptoms. Individuals with poor sleep quality reported higher levels of loneliness and greater scores on all PSNSU domains than those with good sleep quality. Slope analyses revealed that in men vs. women with poor sleep quality, greater deficient self-regulation of social networking sites use was associated with lower levels of loneliness. Conversely, in men vs. women with good sleep quality, greater POSI was associated with higher levels of loneliness. Our findings showed that individuals with poor sleep quality are characterized by higher levels of loneliness and more severe PSNSU symptoms that may be the result of sleep disturbance-related metabolic, neural, and hormonal processes. Moreover, our results highlight gender differences for individuals with poor vs. good sleep quality which may help clarify the nature of the association between loneliness and PSNSU.
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Affiliation(s)
- Tania Moretta
- Department of General Psychology, University of Padova, Via Venezia 8, 35131 Padova, Italy.
| | - Christian Franceschini
- Department of Medicine and Surgery, University of Parma, Via Gramsci 14, 43126 Parma, Italy.
| | - Alessandro Musetti
- Department of Humanities, Social Sciences and Cultural Industries, University of Parma, Borgo Carissimi 10, 43121 Parma, Italy.
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2
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Moretta T, Messerotti Benvenuti S. Familial risk for depression is associated with reduced P300 and late positive potential to affective stimuli and prolonged cardiac deceleration to unpleasant stimuli. Sci Rep 2023; 13:6432. [PMID: 37081143 PMCID: PMC10119159 DOI: 10.1038/s41598-023-33534-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 04/14/2023] [Indexed: 04/22/2023] Open
Abstract
Despite evidence of abnormal affective processing as a key correlate of depression, specific attentional mechanisms underlying processing of emotions in familial risk for depression have yet to be investigated in a single study. To this end, the amplitude of the P300 and late positive potential (LPP) complex and cardiac deceleration were assessed during the passive viewing of affective pictures in 32 individuals who had family history of depression (without depressive symptoms) and in 30 controls (without depressive symptoms and family history of depression). Individuals with familial risk for depression revealed reduced P300-LPP amplitudes in response to pleasant and unpleasant stimuli relative to controls, and comparable P300-LPP amplitudes in response to pleasant and neutral stimuli. Controls, but not individuals with familial risk for depression, reported cardiac deceleration during the viewing of pleasant vs. neutral and unpleasant stimuli in the 0-3 s time window. Also, only individuals with familial risk for depression showed a prolonged cardiac deceleration in response to unpleasant vs. neutral stimuli. Overall, the present study provides new insights into the characterization of emotion-related attentional processes in familial risk for depression as potential vulnerability factors for the development of the disorder.
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Affiliation(s)
- Tania Moretta
- Department of General Psychology, University of Padua, Via Venezia, 8, 35131, Padua, Italy.
| | - Simone Messerotti Benvenuti
- Department of General Psychology, University of Padua, Via Venezia, 8, 35131, Padua, Italy
- Padova Neuroscience Center (PNC), University of Padua, Padua, Italy
- Hospital Psychology Unit, Padua University Hospital, Padua, Italy
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Moretta T, Kaess M, Koenig J. A comparative evaluation of resting state proxies of sympathetic and parasympathetic nervous system activity in adolescent major depression. J Neural Transm (Vienna) 2023; 130:135-144. [PMID: 36629967 DOI: 10.1007/s00702-022-02577-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 12/17/2022] [Indexed: 01/12/2023]
Abstract
Major depressive disorder (MDD) is associated with autonomic nervous system (ANS) dysfunction, characterized by decreased parasympathetic (PNS) and increased sympathetic (SNS) activity. Although findings on reduced PNS activity in adult MDD have been replicated in adolescents, comprehensive studies assessing PNS and SNS proxies in underage patients with MDD are scarce. Proxies of resting PNS (heart rate variability (HRV) and SNS activity (skin conductance response [SCR] and salivary alpha amylase [sAA], as well as mixed activity (heart rate [HR]) were collected in adolescents with MDD (n = 29) and non-depressed controls (n = 29). Primary analyses addressed differences between groups and correlations with depression severity. Patients with MDD showed significantly decreased HRV (g = - 0.87; 95% CI [- 1.39; - 0.35]) and increased HR (g = 0.66; 95% CI [0.14; 1.18]). Proxies of pure SNS activity showed no significant differences between groups. HR (positive) and HRV (negative) were significantly correlated with self- and clinician-rated depression severity. Alterations of ANS activity are evident in adolescent MDD, but characterized by decreased PNS activity only. We found no evidence for altered SNS activity. Findings suggest that ANS dysfunction early in the course of MDD might be predominantly driven by decreased PNS activity.
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Affiliation(s)
- Tania Moretta
- Department of General Psychology, University of Padua, Padua, Italy
| | - Michael Kaess
- Clinic for Child and Adolescent Psychiatry, Centre for Psychosocial Medicine, University of Heidelberg, Heidelberg, Germany.,University Hospital of Child and Adolescent Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland
| | - Julian Koenig
- University Hospital of Child and Adolescent Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland. .,Faculty of Medicine and University Hospital Cologne, Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University of Cologne, Köln, Germany.
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Moretta T, Buodo G, Santucci VG, Chen S, Potenza MN. Problematic social media use is statistically predicted by using social media for coping motives and by positive reinforcement processes in individuals with high COVID-19-related stress levels. J Psychiatr Res 2023; 158:104-113. [PMID: 36580866 DOI: 10.1016/j.jpsychires.2022.12.036] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [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: 06/14/2022] [Revised: 11/23/2022] [Accepted: 12/20/2022] [Indexed: 12/26/2022]
Abstract
It is important to understand the relationship between stress and problematic use of social media (PUSM). However, no study to our knowledge has yet investigated the longitudinal relationship between perceived stress and PUSM via positive and negative reinforcement processes. The present study investigated relationships between COVID-19-pandemic-related stress and PUSM and possible moderating effects of motives for using social media (positive and/or negative reinforcement) during and following a COVID-19-pandemic-related lockdown. Six-hundred-and-sixty participants initially completed a survey including self-report measures of PUSM, COVID-19-pandemic-related stress, and motives for using social media (i.e., for negative reinforcement involving coping and conformity or positive reinforcements involving enhancement and social motives). During the COVID-19 outbreak recovery period, 117 participants again completed the survey. Bayesian analyses revealed that PUSM was associated with higher COVID-19-pandemic-related stress levels and use of social media for coping, conformity, and enhancement purposes. Longitudinally, PUSM symptom worsening was associated with increased use of social media for coping motives regardless of levels of perceived stress. Use of social media for conformity and enhancement purposes moderated relationships between stress levels during lockdown and PUSM symptoms worsening after lockdown. Our findings corroborate the hypothesis that negative reinforcement processes may be key factors in PUSM symptom worsening regardless of perceived stress. Concurrently, high levels of stress may worsen PUSM through positive reinforcement processes.
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Affiliation(s)
- Tania Moretta
- Department of General Psychology, University of Padova, Padova, Italy.
| | - Giulia Buodo
- Department of General Psychology, University of Padova, Padova, Italy.
| | - Vieri Giuliano Santucci
- Istituto di Scienze e Tecnologie della Cognizione (ISTC), Consiglio Nazionale delle Ricerce (CNR), Rome, Italy.
| | - Shubao Chen
- Department of Psychiatry, and National Clinical Research Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China.
| | - Marc N Potenza
- Department of Psychiatry, Yale School of Medicine, New Haven, CT, USA; Connecticut Council on Problem Gambling, Wethersfield, CT, USA; Connecticut Mental Health Center, New Haven, CT, USA; Child Study Center, Yale School of Medicine, New Haven, CT, USA; Department of Neuroscience, Yale School of Medicine, New Haven, CT, USA; Wu Tsai Institute, Yale University, New Haven, CT, USA.
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Buodo G, Moretta T, Santucci VG, Chen S, Potenza MN. Using Social Media for Social Motives Moderates the Relationship between Post-Traumatic Symptoms during a COVID-19-Related Lockdown and Improvement of Distress after Lockdown. Behav Sci (Basel) 2023; 13:bs13010053. [PMID: 36661625 PMCID: PMC9855109 DOI: 10.3390/bs13010053] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/29/2022] [Accepted: 01/02/2023] [Indexed: 01/11/2023] Open
Abstract
Previous research reported inconsistent results on the relationship between social media (SM) use and psychological well-being, suggesting the importance of assessing possible moderators, e.g., motives for SM use. However, no longitudinal study has yet investigated whether, among people who use SM, specific motives for using SM may represent protective/risk factors for the development of psychological distress, especially after a stressful event. Our longitudinal study aimed at assessing the moderating role of motives for using SM (i.e., coping, conformity, enhancement, social motives) in the relationship between COVID-19 pandemic-related post-traumatic stress symptoms during the lockdown and changes in general distress after lockdown. At Time 1 (during the first lockdown in Italy), 660 participants responded to an online survey, reporting their post-traumatic symptoms, motives for using SM, and general distress (i.e., anxiety, depression, and stress symptoms). At Time 2 (three months later, following lockdown), 117 participants volunteered to continue with the follow-up survey assessing general distress symptoms again. Results showed that among those who had experienced more severe post-traumatic symptoms at Time 1, using SM for social motives was associated with more improvement of general distress symptoms. No evidence was found of moderating effects of other motives for SM use. The findings suggest that social connections may have helped to cope with stress during forced confinement, and that SM use may be beneficial for mental health when motivated by maintaining social interactions.
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Affiliation(s)
- Giulia Buodo
- Department of General Psychology, University of Padova, 35131 Padova, Italy
- Correspondence: ; Tel.: +39-049-8277476
| | - Tania Moretta
- Department of General Psychology, University of Padova, 35131 Padova, Italy
| | - Vieri Giuliano Santucci
- Institute of Cognitive Science and Technologies (ISTC), National Research Council (CNR), 00185 Rome, Italy
| | - Shubao Chen
- Department of Psychiatry, and National Clinical Research Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha 410011, China
| | - Marc N. Potenza
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT 06510, USA
- Department of Neuroscience, Yale University School of Medicine, New Haven, CT 06510, USA
- Department of Child Study Center, Yale University School of Medicine, New Haven, CT 06510, USA
- Connecticut Mental Health Center, New Haven, CT 06510, USA
- Connecticut Council on Problem Gambling, Wethersfield, CT 06109, USA
- Wu Tsai Institute, Yale University, New Haven, CT 06510, USA
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Chirico I, Volpato E, Landi G, Bassi G, Mancinelli E, Gagliardini G, Gemignani M, Gizzi G, Manari T, Moretta T, Rellini E, Saltarelli B, Mariani R, Musetti A. Maladaptive Daydreaming and Its Relationship with Psychopathological Symptoms, Emotion Regulation, and Problematic Social Networking Sites Use: a Network Analysis Approach. Int J Ment Health Addict 2022. [DOI: 10.1007/s11469-022-00938-3] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
AbstractThe present
study investigated the patterns of mutual associations between maladaptive daydreaming-related variables (MD, i.e., interference with life and somatosensory retreat), psychopathological symptoms (i.e., depression, anxiety, somatization, obsessive–compulsive, interpersonal sensitivity, psychoticism), emotion regulation strategies (i.e., cognitive reappraisal and expressive suppression), and problematic social networking sites use (PSNSU). A total of 531 young adults completed self-report measures through an online survey shared on social network groups. Two network models were performed on 297 young adults with probable MD (MDers) (Mage = 23.2, SD = 2.7) vs. 234 non-MDers (Mage = 23.4, SD = 2.6). Results showed that, compared to non-MDers, MDers showed significantly higher scores in all the study variables, except for cognitive reappraisal. Moreover, in the MDers network, the following patterns were identified: (i) no connections between the cluster of psychopathological symptoms, and neither cognitive reappraisal nor expressive suppression; (ii) a connection, through obsessive–compulsive (OC) symptoms, between the cluster of psychopathological symptoms and MD-interference with life; and (iii) a connection between PSNSU and MD-interference with life. Accordingly, the Network Comparison Test evidenced that the network structures of MDers vs. non-MDers were significantly different (M = .24; p = .01). Overall, higher scores on psychopathological symptoms in MDers provide support to the assumption that MD is a clinical condition, in which OC symptoms may play a critical role. Additionally, the association of PSNSU and MD-interference with life suggests that MDers might rely on PSNSU as a maladaptive emotion regulation strategy. Under this scenario, MD may be regarded as a potential vulnerability factor for PSNSU.
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Dell'Acqua C, Dal Bò E, Moretta T, Palomba D, Messerotti Benvenuti S. EEG time-frequency analysis reveals blunted tendency to approach and increased processing of unpleasant stimuli in dysphoria. Sci Rep 2022; 12:8161. [PMID: 35581359 PMCID: PMC9113991 DOI: 10.1038/s41598-022-12263-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 05/06/2022] [Indexed: 12/02/2022] Open
Abstract
To date, affective and cognitive processing of emotional information in individuals with depressive symptoms have been examined through peripheral psychophysiological measures, event-related potentials, and time–frequency analysis of oscillatory activity. However, electrocortical correlates of emotional and cognitive processing of affective content in depression have not been fully understood. Time–frequency analysis of electroencephalographic activity allows disentangling the brain's parallel processing of information. The present study employed a time–frequency approach to simultaneously examine affective disposition and cognitive processing during the viewing of emotional stimuli in dysphoria. Time–frequency event-related changes were examined during the viewing of pleasant, neutral and unpleasant pictures in 24 individuals with dysphoria and 24 controls. Affective disposition was indexed by delta and alpha power, while theta power was employed as a correlate of cognitive elaboration of the stimuli. Cluster-based statistics revealed a centro-parietal reduction in delta power for pleasant stimuli in individuals with dysphoria relative to controls. Also, dysphoria was characterized by an early fronto-central increase in theta power for unpleasant stimuli relative to neutral and pleasant ones. Comparatively, controls were characterized by a late fronto-central and occipital reduction in theta power for unpleasant stimuli relative to neutral and pleasant. The present study granted novel insights on the interrelated facets of affective elaboration in dysphoria, mainly characterized by a hypoactivation of the approach-related motivational system and a sustained facilitated cognitive processing of unpleasant stimuli.
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Affiliation(s)
- Carola Dell'Acqua
- Department of General Psychology, University of Padua, Via Venezia 8, 35131, Padua, Italy. .,Padova Neuroscience Center (PNC), University of Padua, Via Orus 2/B, 35131, Padua, Italy.
| | - Elisa Dal Bò
- Department of General Psychology, University of Padua, Via Venezia 8, 35131, Padua, Italy.,Padova Neuroscience Center (PNC), University of Padua, Via Orus 2/B, 35131, Padua, Italy
| | - Tania Moretta
- Department of General Psychology, University of Padua, Via Venezia 8, 35131, Padua, Italy
| | - Daniela Palomba
- Department of General Psychology, University of Padua, Via Venezia 8, 35131, Padua, Italy.,Padova Neuroscience Center (PNC), University of Padua, Via Orus 2/B, 35131, Padua, Italy
| | - Simone Messerotti Benvenuti
- Department of General Psychology, University of Padua, Via Venezia 8, 35131, Padua, Italy.,Padova Neuroscience Center (PNC), University of Padua, Via Orus 2/B, 35131, Padua, Italy
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8
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Moretta T, Buodo G, Demetrovics Z, Potenza MN. Tracing 20 years of research on problematic use of the internet and social media: Theoretical models, assessment tools, and an agenda for future work. Compr Psychiatry 2022; 112:152286. [PMID: 34749058 DOI: 10.1016/j.comppsych.2021.152286] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [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: 07/23/2021] [Revised: 10/20/2021] [Accepted: 10/29/2021] [Indexed: 12/24/2022] Open
Abstract
Over the past two decades, there has been increasing interest in the impact of internet use and growing concern about whether problematic use of the internet (PUI) constitutes an addiction. Despite the growing number of studies investigating PUI and PUI subtypes, its conceptualization and inclusion in a classification system have not been possible yet. Several models aimed at inspiring clinical research and practice have proposed possible mechanisms involved in PUI and problematic use of social media, and multiple self-report instruments have been consequentially developed. The diversity of theoretical models and instruments currently hinders standardized assessment procedures across studies and, in turn, their comparability. The purpose of the present overview is to highlight the current conceptualization and assessment of both PUI and problematic use of social media, in order to critically discuss the existing fragmentation in the field and the need to achieve conceptual convergence. Two suggestions for future directions are also provided, i.e., define diagnostic criteria by bottom-up and top-down processes and develop a psychobiological hypothesis including the description of higher-order mechanisms involved in PUI and not other psychopathological conditions (e.g., the multiple available internet-related cues and outcomes that may lead to parallel forms of associative learning; probabilities of obtaining internet-related reinforcements; and intrinsic motivation processes).
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Affiliation(s)
- Tania Moretta
- Department of General Psychology, University of Padova, Padova, Italy.
| | - Giulia Buodo
- Department of General Psychology, University of Padova, Padova, Italy
| | - Zsolt Demetrovics
- Centre of Excellence in Responsible Gaming, University of Gibraltar, Gibraltar, Gibraltar; Institute of Psychology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Marc N Potenza
- Department of Psychiatry, Yale School of Medicine, New Haven, CT, USA; Connecticut Council on Problem Gambling, Wethersfield, CT, USA; Connecticut Mental Health Center, New Haven, CT, USA; Child Study Center, Yale School of Medicine, New Haven, CT, USA; Department of Neuroscience, Yale School of Medicine, New Haven, CT, USA
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Moretta T, Dal Bò E, Dell'Acqua C, Messerotti Benvenuti S, Palomba D. Disentangling emotional processing in dysphoria: An ERP and cardiac deceleration study. Behav Res Ther 2021; 147:103985. [PMID: 34628258 DOI: 10.1016/j.brat.2021.103985] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 07/13/2021] [Accepted: 10/04/2021] [Indexed: 01/13/2023]
Abstract
The present study aimed to investigate emotional processing in dysphoria. To this end, the amplitude of the Late Positive Potential (LPP) and cardiac deceleration were assessed during the passive viewing of affective (pleasant, neutral, and unpleasant) pictures in 26 individuals with dysphoria and in 25 non-depressed controls. The group with dysphoria revealed a smaller LPP amplitude than the group without dysphoria in response to pleasant and neutral, but not unpleasant, stimuli at centro-parieto-occipital sites. Interestingly, whereas both groups showed cardiac deceleration when viewing pleasant compared to neutral pictures (3-6 s time window), only individuals with dysphoria showed a prolonged cardiac deceleration in response to unpleasant stimuli as compared with neutral ones. This study suggests that dysphoria is characterized by reduced motivated attentional allocation to positive information and by sustained intake of unpleasant information. Overall, the present findings provide novel insights into the characterization of valence-specific attentional processes in dysphoria as potential vulnerability factors for clinically significant depression.
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Affiliation(s)
- Tania Moretta
- Department of General Psychology, University of Padua, Via Venezia 8, 35131, Padua, Italy.
| | - Elisa Dal Bò
- Department of General Psychology, University of Padua, Via Venezia 8, 35131, Padua, Italy; Padova Neuroscience Center (PNC), University of Padua, Via Orus 2/B, 35131, Padua, Italy
| | - Carola Dell'Acqua
- Department of General Psychology, University of Padua, Via Venezia 8, 35131, Padua, Italy; Padova Neuroscience Center (PNC), University of Padua, Via Orus 2/B, 35131, Padua, Italy
| | - Simone Messerotti Benvenuti
- Department of General Psychology, University of Padua, Via Venezia 8, 35131, Padua, Italy; Padova Neuroscience Center (PNC), University of Padua, Via Orus 2/B, 35131, Padua, Italy
| | - Daniela Palomba
- Department of General Psychology, University of Padua, Via Venezia 8, 35131, Padua, Italy; Padova Neuroscience Center (PNC), University of Padua, Via Orus 2/B, 35131, Padua, Italy
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Moretta T, Buodo G. The Relationship Between Affective and Obsessive-Compulsive Symptoms in Internet Use Disorder. Front Psychol 2021; 12:700518. [PMID: 34456816 PMCID: PMC8387798 DOI: 10.3389/fpsyg.2021.700518] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 07/20/2021] [Indexed: 11/20/2022] Open
Abstract
We investigated the relationships and diagnostic power of symptoms associated with affective disorders, obsessive-compulsive disorder, and drug addictions on Internet use disorder. Moreover, we tested whether Internet use disorder is characterized by a specific network of symptoms. One-hundred-and-four young adults (78 women) were assessed in laboratory using self-report measures of Internet addiction, alcohol use disorder, cannabis abuse, depression, anxiety, and stress symptoms, impulsiveness, and obsessive-compulsive symptoms. Only hoarding, obsessing, and depression symptoms were positively linked to Internet use disorder severity, with hoarding having greater power and accuracy than other obsessive-compulsive and affective symptoms. Only individuals with mild-moderate Internet use disorder were characterized by a network of strong and positive associations of affective and obsessive-compulsive symptoms. These findings may encourage future longitudinal studies aimed at identifying potential clinical criteria for the diagnosis of Internet use disorder and treatment targets.
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Affiliation(s)
- Tania Moretta
- Department of General Psychology, University of Padova, Padova, Italy
| | - Giulia Buodo
- Department of General Psychology, University of Padova, Padova, Italy
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11
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Abstract
Given the current literature debate on whether or not Problematic Social Network Sites Use (PSNSU) can be considered a behavioral addiction, the present study was designed to test whether, similarly to addictive behaviors, PSNSU is characterized by a deficit in inhibitory control in emotional and addiction-related contexts. Twenty-two problematic Facebook users and 23 nonproblematic users were recruited based on their score on the Problematic Facebook Use Scale. The event-related potentials were recorded during an emotional Go/Nogo Task, including Facebook-related, unpleasant, pleasant, and neutral pictures. The amplitudes of the Nogo-N2 and the Nogo-P3 were computed as measures of the detection of response conflict and response inhibition, respectively. Reaction times and accuracy also were measured. The results showed that problematic users were less accurate on both Go and Nogo trials than nonproblematic users, irrespective of picture content. For problematic users only, the Nogo-P3 amplitude was lower to Facebook-related, pleasant, and neutral than to unpleasant stimuli, suggesting less efficient inhibition with natural and Facebook-related rewards. Of note, all participants were slower to respond to Facebook-related and pleasant Go trials compared with unpleasant and neutral pictures. Consistently, the Nogo-N2 amplitude was larger to Facebook-related than all other picture contents in both groups. Overall, the findings suggest that PSNSU is associated with reduced inhibitory control. These results should be considered in the debate about the neural correlates of PSNSU, suggesting more similarities than differences between PSNSU and addictive behaviors.
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Affiliation(s)
- Tania Moretta
- Department of General Psychology, University of Padova, Via Venezia, 12, 35131, Padova, Italy.
| | - Giulia Buodo
- Department of General Psychology, University of Padova, Via Venezia, 12, 35131, Padova, Italy
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12
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Moretta T, Buodo G. Motivated attention to stimuli related to social networking sites: A cue-reactivity study. J Behav Addict 2021; 10:314-326. [PMID: 34152997 PMCID: PMC8996799 DOI: 10.1556/2006.2021.00040] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 03/30/2021] [Accepted: 05/27/2021] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND AND AIMS It has been argued that similar to addictive behaviors, problematic Social Network sites use (PSNSU) is characterized by sensitized reward processing and cue-reactivity. However, no study to our knowledge has yet investigated cue-reactivity in PSNSU. The present study aims at investigating cue-reactivity to Social Network sites (i.e., Facebook)-related visual cues in individuals identified as problematic vs. non-problematic Facebook users by the Problematic Facebook Use Scale. METHODS The Event-Related Potentials (ERPs) were recorded during the passive viewing of Facebook-related, pleasant, unpleasant, and neutral pictures in 27 problematic and 26 non-problematic users. Moreover, craving for Facebook usage was collected using a Likert scale. RESULTS Despite problematic users were more likely to endorse higher craving than non-problematic ones, Facebook-related cues elicited larger ERP positivity (400-600 ms) than neutral, and comparable to unpleasant stimuli, in all Facebook users. Only in problematic users we found larger positivity (600-800 ms) to pleasant than unpleasant cues and higher craving to be related with lower later positivity (800-1,000 ms) to pleasant and unpleasant cues. DISCUSSION Regardless of whether Facebook usage is problematic or non-problematic, Facebook-related cues seem to be motivationally relevant stimuli that capture attentional resources in the earlier stages of "motivated" attentional allocation. Moreover, our results support the view that in higher-craving problematic users, reduced abilities to experience emotions would be the result of defective emotion regulation processes that allow craving states to capture more motivational/attentional resources at the expense of other emotional states.
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Affiliation(s)
- Tania Moretta
- Department of General Psychology, University of Padova, Padova, Italy,Corresponding author. Tel.: +39 049 827 6957. E-mail:
| | - Giulia Buodo
- Department of General Psychology, University of Padova, Padova, Italy
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Canale N, Moretta T, Pancani L, Buodo G, Vieno A, Dalmaso M, Billieux J. A test of the pathway model of problematic smartphone use. J Behav Addict 2021; 10:181-193. [PMID: 33475526 PMCID: PMC8969864 DOI: 10.1556/2006.2020.00103] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 12/05/2020] [Accepted: 12/06/2020] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND AND AIMS Problematic smartphone use (PSU) has been described as a growing public health issue. In the current study, we aimed to provide a unique and comprehensive test of the pathway model of PSU. This model posits three distinct developmental pathways leading to PSU: (1) the excessive reassurance pathway, (2) the impulsive pathway and (3) the extraversion pathway. METHODS Undergraduate students (n = 795, 69.8% female, mean age = 23.80 years, sd = 3.02) completed online self-report measures of PSU (addictive use, antisocial use and dangerous use) and the psychological features (personality traits and psychopathological symptoms) underlying the three pathways. RESULTS Bayesian analyses revealed that addictive use is mainly driven by the excessive reassurance pathway and the impulsive pathway, for which candidate etiopathological factors include heightened negative urgency, a hyperactive behavioural inhibition system and symptoms of social anxiety. Dangerous and antisocial use are mainly driven by the impulsive pathway and the extraversion pathway, for which candidate etiopathological factors include specific impulsivity components (lack of premeditation and sensation seeking) and primary psychopathy (inclination to lie, lack of remorse, callousness and manipulativeness). DISCUSSION AND CONCLUSIONS The present study constitutes the first comprehensive test of the pathway model of PSU. We provide robust and original results regarding the psychological dimensions associated with each of the postulated pathways of PSU, which should be taken into account when considering regulation of smartphone use or tailoring prevention protocols to reduce problematic usage patterns.
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Affiliation(s)
- Natale Canale
- Department of Developmental and Social
Psychology, University of Padova, Padova,
Italy
| | - Tania Moretta
- Department of General Psychology, University
of Padova, Padova, Italy
| | - Luca Pancani
- Department of Psychology, University of
Milano-Bicocca, Milan, Italy
| | - Giulia Buodo
- Department of General Psychology, University
of Padova, Padova, Italy
| | - Alessio Vieno
- Department of Developmental and Social
Psychology, University of Padova, Padova,
Italy
| | - Mario Dalmaso
- Department of Developmental and Social
Psychology, University of Padova, Padova,
Italy
| | - Joël Billieux
- Institute of Psychology, University of
Lausanne, Lausanne,
Switzerland
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Moretta T, Chen S, Potenza MN. Mobile and non-mobile Internet Use Disorder: Specific risks and possible shared Pavlovian conditioning processes. •. J Behav Addict 2020; 9:938-941. [PMID: 33141113 PMCID: PMC8969727 DOI: 10.1556/2006.2020.00077] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/21/2020] [Accepted: 09/21/2020] [Indexed: 12/22/2022] Open
Abstract
This commentary addresses a recent article by Montag et al. (2019) about the relevance of distinguishing between mobile and non-mobile Internet Use Disorder (IUD). In response to the review, we reflect on the clinical relevance of this distinction and, in parallel, we propose some Pavlovian conditioning processes as possible mechanisms underlying different IUDs. We believe that, from a clinical point of view, it is of fundamental importance assessing both specific "forms" of IUDs and the underlying mechanisms that would be shared across different IUDs, like multiple and parallel classes of Pavlovian responses and the influences of Internet cues on Internet-related addictive behaviors that may be influenced by the probability of obtaining Internet rewards.
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Affiliation(s)
- Tania Moretta
- Department of General Psychology, University of Padova, Padova, Italy,Corresponding authors.
| | - Shubao Chen
- Department of Psychiatry, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Marc N. Potenza
- Department of Psychiatry the Child Study Center, Yale School of Medicine, New Haven, CT, USA,Connecticut Mental Health Center, New Haven, CT, USA,Connecticut Council on Problem Gambling, Wethersfield, CT, USA,Department of Neuroscience, Yale University, New Haven, CT, USA,Corresponding authors.
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Sperati V, Özcan B, Romano L, Moretta T, Scaffaro S, Faedda N, Turturo G, Fioriello F, Pelosi S, Giovannone F, Sogos C, Guidetti V, Baldassarre G. Acceptability of the Transitional Wearable Companion "+ me" in Children With Autism Spectrum Disorder: A Comparative Pilot Study. Front Psychol 2020; 11:951. [PMID: 32547445 PMCID: PMC7270338 DOI: 10.3389/fpsyg.2020.00951] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 04/17/2020] [Indexed: 12/27/2022] Open
Abstract
+me is an experimental interactive soft toy, looking like a panda, developed for young children. When touched on the paws or head (inputs), the toy can emit attractive responses such as colored lights and amusing sounds (outputs). +me is wirelessly connected to a control tablet through which an adult caregiver can modify its input-output contingencies so as to produce different, rewarding response patterns using the same device. Given these features, we propose +me as a potential novel tool to support the therapy of Autism Spectrum Disorder (ASD). The allure of the device could be exploited to capture the attention and encourage the social interaction of toddlers during play activities with therapists. In this pilot study, +me was tested on two small groups of children aged 30–48 months, one group diagnosed with ASD and the second with Communication Disorder, a condition that often presents—especially at an early age—overlapping symptoms with ASD. The proposed play activities aimed to foster simple imitative behaviors and stimulate the engagement of the children. The results were compared with those of a previous test run on Typically Developed children. Preliminary observations, based on the analysis of video recordings, suggest that, on average, +me is able to encourage a positive engagement and that different groups tend to manifest some different behaviors.
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Affiliation(s)
- Valerio Sperati
- Institute of Cognitive Sciences and Technologies, ISTC-CNR, Rome, Italy
| | - Beste Özcan
- Institute of Cognitive Sciences and Technologies, ISTC-CNR, Rome, Italy
| | - Laura Romano
- Institute of Cognitive Sciences and Technologies, ISTC-CNR, Rome, Italy
| | - Tania Moretta
- Department of General Psychology, University of Padua, Padua, Italy
| | - Simone Scaffaro
- Italian Neurotraumatological Institute, INI-Villa Dante Division, Rome, Italy
| | - Noemi Faedda
- Section of Child and Adolescent Neuropsychiatry, Department of Human Neuroscience, University of Rome Sapienza, Rome, Italy
| | - Giada Turturo
- Section of Child and Adolescent Neuropsychiatry, Department of Human Neuroscience, University of Rome Sapienza, Rome, Italy
| | - Francesca Fioriello
- Section of Child and Adolescent Neuropsychiatry, Department of Human Neuroscience, University of Rome Sapienza, Rome, Italy
| | - Simone Pelosi
- Section of Child and Adolescent Neuropsychiatry, Department of Human Neuroscience, University of Rome Sapienza, Rome, Italy
| | - Federica Giovannone
- Section of Child and Adolescent Neuropsychiatry, Department of Human Neuroscience, University of Rome Sapienza, Rome, Italy
| | - Carla Sogos
- Section of Child and Adolescent Neuropsychiatry, Department of Human Neuroscience, University of Rome Sapienza, Rome, Italy
| | - Vincenzo Guidetti
- Section of Child and Adolescent Neuropsychiatry, Department of Human Neuroscience, University of Rome Sapienza, Rome, Italy
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17
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Gavriel-Fried B, Moretta T, Potenza MN. Associations between recovery capital, spirituality, and DSM–5 symptom improvement in gambling disorder. Psychology of Addictive Behaviors 2020; 34:209-217. [DOI: 10.1037/adb0000492] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Abstract
BACKGROUND Understanding gender-related differences is important in recovery processes. Previous studies have investigated gender-related differences in factors associated with gambling disorder (GD), but none to date have considered both positive and negative resources related to recovery. Using a recovery capital (RC) framework that considers multiple resources available during recovery, this study examined gender-related similarities and differences in associations between positive resources (RC, spirituality) and negative experiences and states (stressful life events, depression, and anxiety) and GD symptom improvement. METHOD One hundred and forty individuals with lifetime GD (101 men) were assessed using DSM-5 diagnostic criteria for GD (past-year and lifetime prior to past-year), the Brief Assessment of RC, the Intrinsic Spirituality Scale, the Stressful Life-events Scale, the Generalized Anxiety Disorder Scale, and the Patient Health Questionnaire 9 for depression. Multiple linear regression and Bayesian statistical analyses were conducted. RESULTS RC was positively and significantly associated with GD symptom improvement in women and men. Stressful life events were negatively associated with GD symptom improvement only in men. CONCLUSIONS RC is an important positive resource for men and women recovering from GD and should be considered in treating both women and men. Understanding specific RC factors across gender groups and stressors, particularly in men, may aid in developing improved interventions for GD.
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Affiliation(s)
- Belle Gavriel-Fried
- The Bob Shapell School of Social Work, Tel Aviv University, Tel Aviv, Israel,Corresponding author: Belle Gavriel-Fried; The Bob Shapell School of Social Work, Tel Aviv University, Ramat Aviv, Tel Aviv 69978, Israel; Phone: +971 3 640 9151; Fax: +972 3 640 9563; E-mail:
| | - Tania Moretta
- Department of General Psychology, University of Padova, Padova Italy
| | - Marc N. Potenza
- School of Medicine, Department of Psychiatry, Yale University, New Haven, CT, USA
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Moretta T, Sarlo M, Buodo G. Problematic Internet Use: The Relationship Between Resting Heart Rate Variability and Emotional Modulation of Inhibitory Control. Cyberpsychol Behav Soc Netw 2019; 22:500-507. [PMID: 31295029 DOI: 10.1089/cyber.2019.0059] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A growing literature suggests that problematic Internet use (PIU) is associated with defective inhibitory control. In this study, we sought to investigate the ability to inhibit prepotent motor responses in an emotional context in individuals with PIU, and to examine the relationship between inhibitory control and resting heart rate variability (HRV), which is regarded as a measure of self-regulation and adaptability. Problematic users (PU, n = 20) and nonproblematic users (non-PU, n = 20) completed an emotional Go/NoGo task, involving the presentation of unpleasant, pleasant, and neutral pictures. The electrocardiogram was recorded at rest for a 3-minute period. PU showed lower resting HRV, relative to non-PU. Although reaction times (RTs) to Go task stimuli were not faster in PU, relative to non-PU, accuracy rates were significantly lower among PU, irrespective of pictures' emotional content. Only among PU did lower resting HRV predict lower response accuracy in pleasant and unpleasant Go trials and less efficient task performance (combining RTs to Go trials and accuracy to NoGo trials) upon presentation of unpleasant stimuli. Our findings suggest that reduced HRV is a potential indicator of defective inhibitory control in an emotional context in PIU.
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Affiliation(s)
- Tania Moretta
- 1 Department of General Psychology, University of Padova, Padova, Italy.,2 Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut
| | - Michela Sarlo
- 1 Department of General Psychology, University of Padova, Padova, Italy
| | - Giulia Buodo
- 1 Department of General Psychology, University of Padova, Padova, Italy
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Sperati V, Özcan B, Romano L, Scaffaro S, Moretta T, Turturo G, Aliberti MN, Guidetti V, Baldassarre G. Acceptability of the Transitional Wearable Companion "+me" in Typical Children: A Pilot Study. Front Psychol 2019; 10:125. [PMID: 30800083 PMCID: PMC6375895 DOI: 10.3389/fpsyg.2019.00125] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Accepted: 01/14/2019] [Indexed: 01/18/2023] Open
Abstract
This work presents the results of the first experimentation of +me-the first prototype of Transitional Wearable Companion–run on 15 typically developed (TD) children with ages between 8 and 34 months. +me is an interactive device that looks like a teddy bear that can be worn around the neck, has touch sensors, can emit appealing lights and sounds, and has input-output contingencies that can be regulated with a tablet via Bluetooth. The participants were engaged in social play activities involving both the device and an adult experimenter. +me was designed with the objective of exploiting its intrinsic allure as an attractive toy to stimulate social interactions (e.g., eye contact, turn taking, imitation, social smiles), an aspect potentially helpful in the therapy of Autism Spectrum Disorders (ASD) and other Pervasive Developmental Disorders (PDD). The main purpose of this preliminary study is to evaluate the general acceptability of the toy by TD children, observing the elicited behaviors in preparation for future experiments involving children with ASD and other PDD. First observations, based on video recording and scoring, show that +me stimulates good social engagement in TD children, especially when their age is higher than 24 months.
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Affiliation(s)
- Valerio Sperati
- Istituto di Scienze e Tecnologie della Cognizione, Consiglio Nazionale delle Ricerche (ISTC-CNR), Rome, Italy
| | - Beste Özcan
- Istituto di Scienze e Tecnologie della Cognizione, Consiglio Nazionale delle Ricerche (ISTC-CNR), Rome, Italy
| | - Laura Romano
- Istituto di Scienze e Tecnologie della Cognizione, Consiglio Nazionale delle Ricerche (ISTC-CNR), Rome, Italy
| | - Simone Scaffaro
- INI-Villa Dante Division, Italian Neurotraumatological Institute, Rome, Italy
| | - Tania Moretta
- Department of General Psychology, University of Padua, Padua, Italy
| | - Giada Turturo
- Section of Child and Adolescent Neuropsychiatry, Department of Human Neuroscience, Sapienza University of Rome, Rome, Italy
| | | | - Vincenzo Guidetti
- Section of Child and Adolescent Neuropsychiatry, Department of Human Neuroscience, Sapienza University of Rome, Rome, Italy
| | - Gianluca Baldassarre
- Istituto di Scienze e Tecnologie della Cognizione, Consiglio Nazionale delle Ricerche (ISTC-CNR), Rome, Italy
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Moretta T, Buodo G. Modeling Problematic Facebook Use: Highlighting the role of mood regulation and preference for online social interaction. Addict Behav 2018; 87:214-221. [PMID: 30056306 DOI: 10.1016/j.addbeh.2018.07.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 07/12/2018] [Accepted: 07/18/2018] [Indexed: 12/31/2022]
Abstract
A validated theoretical model of Problematic Facebook Use (PFU) is currently lacking in the literature. The cognitive-behavioral model of generalized Problematic Internet Use (PIU) proposed by Caplan (2010) may provide a conceptual basis for understanding the problematic use of Social Networking Sites. The present study aimed at contributing to the discussion on the conceptualization of PFU by testing the feasibility of the model of generalized PIU in the context of PFU. The Italian version of the Problematic Facebook Use Scale (PFUS; including five subscales, i.e., preference for online social interaction - POSI, mood regulation, cognitive preoccupation, compulsive use, and negative outcomes) was administered to 815 young Italian adults. A Structural Equation Modeling analysis was used to test the theoretical model. POSI resulted to be a positive predictor of Facebook use for mood regulation and of deficient self-regulation; using Facebook for mood regulation was a positive predictor of deficient self-regulation; and deficient self-regulation was a positive predictor of negative outcomes of Facebook use. Of note, difficulties in self-regulating Facebook use was related more strongly to using Facebook for mood regulation than to preference for online social interaction. Similarly, using Facebook for mood regulation appears to have a greater impact than preference for online social interaction on negative outcomes of PFU. The obtained results support the feasibility of the model of generalized PIU in the context of PFU and suggest that mood regulation abilities may be a potential target for prevention and treatment of PFU.
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Abstract
The link between autonomic stress reactivity and subjective urge/craving has been less systematically examined in behavioral addictions (i.e. problematic Internet use) than in substance use disorders. The present study investigated whether problematic Internet users (PU) show enhanced autonomic stress reactivity than non-PU, indexed by lower Heart Rate Variability (HRV) and higher Skin Conductance Level (SCL) reactivity during the Trier Social Stress Test (TSST), whether greater reactivity is related to stronger Internet craving, and whether problematic Internet usage is associated with some dysfunctional psychological features. Based on their Internet Addiction Test scores, participants were divided into PU (N = 24) and non-PU (N = 21). Their heart rate and skin conductance were continuously recorded during baseline, social stressors, and recovery. Craving for Internet usage were collected using a Likert scale before and after the TSST. The SDNN, an overall measure of HRV, was significantly lower in PU than non-PU during baseline, but not during and after stressful task. Furthermore, only among PU a significant negative correlation emerged between SDNN during recovery and craving ratings after the test. No group differences emerged for SCL. Lastly, PU endorsed more mood, obsessive-compulsive, and alcohol-related problems. Our findings suggest that problems in controlling one’s use of the Internet may be related to reduced autonomic balance at rest. Moreover, our results provide new insights into the characterization of craving in PIU, indicating the existence of a relationship between craving for Internet usage and reduced autonomic flexibility.
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Affiliation(s)
- Tania Moretta
- Department of General Psychology, University of Padova, Padova, Italy
- * E-mail:
| | - Giulia Buodo
- Department of General Psychology, University of Padova, Padova, Italy
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Cartoni E, Moretta T, Puglisi-Allegra S, Cabib S, Baldassarre G. The Relationship Between Specific Pavlovian Instrumental Transfer and Instrumental Reward Probability. Front Psychol 2015; 6:1697. [PMID: 26635645 PMCID: PMC4648073 DOI: 10.3389/fpsyg.2015.01697] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Accepted: 10/21/2015] [Indexed: 11/21/2022] Open
Abstract
Goal-directed behavior is influenced by environmental cues: in particular, cues associated with a reward can bias action choice toward actions directed to that same reward. This effect is studied experimentally as specific Pavlovian-instrumental transfer (specific PIT). We have investigated the hypothesis that cues associated to an outcome elicit specific PIT by rising the estimates of reward probability of actions associated to that same outcome. In other words, cues reduce the uncertainty on the efficacy of instrumental actions. We used a human PIT experimental paradigm to test the effects of two different instrumental contingencies: one group of participants had a 33% chance of being rewarded for each button press, while another had a 100% chance. The group trained with 33% reward probability showed a stronger PIT effect than the 100% group, in line with the hypothesis that Pavlovian cues linked to an outcome work by reducing the uncertainty of receiving it. The 100% group also showed a significant specific PIT effect, highlighting additional factors that could contribute to specific PIT beyond the instrumental training contingency. We hypothesize that the uncertainty about reward delivery due to testing in extinction might be one of these factors. These results add knowledge on how goal-directed behavior is influenced by the presence of environmental cues associated with a reward: such influence depends on the probability that we have to reach a reward, namely when there is less chance of getting a reward we are more influenced by cues associated with it, and vice versa.
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Affiliation(s)
- Emilio Cartoni
- Laboratory of Computational Embodied Neuroscience, Institute of Cognitive Sciences and Technologies, National Research Council of Italy Rome, Italy ; Dipartimento di Psicologia, Sapienza - Università di Roma Rome, Italy
| | - Tania Moretta
- Laboratory of Computational Embodied Neuroscience, Institute of Cognitive Sciences and Technologies, National Research Council of Italy Rome, Italy ; Dipartimento di Psicologia Generale, Università di Padova Padua, Italy
| | - Stefano Puglisi-Allegra
- Dipartimento di Psicologia and Centro Daniel Bovet, Sapienza - Università di Roma Rome, Italy ; Fondazione Santa Lucia, Istituto di Ricovero e Cura a Carattere Scientifico Rome, Italy
| | - Simona Cabib
- Dipartimento di Psicologia and Centro Daniel Bovet, Sapienza - Università di Roma Rome, Italy ; Fondazione Santa Lucia, Istituto di Ricovero e Cura a Carattere Scientifico Rome, Italy
| | - Gianluca Baldassarre
- Laboratory of Computational Embodied Neuroscience, Institute of Cognitive Sciences and Technologies, National Research Council of Italy Rome, Italy
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