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Mbiydzenyuy NE, Joanna Hemmings SM, Shabangu TW, Qulu-Appiah L. Exploring the influence of stress on aggressive behavior and sexual function: Role of neuromodulator pathways and epigenetics. Heliyon 2024; 10:e27501. [PMID: 38486749 PMCID: PMC10937706 DOI: 10.1016/j.heliyon.2024.e27501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 02/29/2024] [Accepted: 02/29/2024] [Indexed: 03/17/2024] Open
Abstract
Stress is a complex and multifaceted phenomenon that can significantly influence both aggressive behavior and sexual function. This review explores the intricate relationship between stress, neuromodulator pathways, and epigenetics, shedding light on the various mechanisms that underlie these connections. While the role of stress in both aggression and sexual behavior is well-documented, the mechanisms through which it exerts its effects are multifarious and not yet fully understood. The review begins by delving into the potential influence of stress on the Hypothalamic-Pituitary-Adrenal (HPA) axis, glucocorticoids, and the neuromodulators involved in the stress response. The intricate interplay between these systems, which encompasses the regulation of stress hormones, is central to understanding how stress may contribute to aggressive behavior and sexual function. Several neuromodulator pathways are implicated in both stress and behavior regulation. We explore the roles of norepinephrine, serotonin, oxytocin, and androgens in mediating the effects of stress on aggression and sexual function. It is important to distinguish between general sexual behavior, sexual motivation, and the distinct category of "sexual aggression" as separate constructs, each necessitating specific examination. Additionally, epigenetic mechanisms emerge as crucial factors that link stress to changes in gene expression patterns and, subsequently, to behavior. We then discuss how epigenetic modifications can occur in response to stress exposure, altering the regulation of genes associated with stress, aggression, and sexual function. While numerous studies support the association between epigenetic changes and stress-induced behavior, more research is necessary to establish definitive links. Throughout this exploration, it becomes increasingly clear that the relationship between stress, neuromodulator pathways, and epigenetics is intricate and multifaceted. The review emphasizes the need for further research, particularly in the context of human studies, to provide clinical significance and to validate the existing findings from animal models. By better understanding how stress influences aggressive behavior and sexual function through neuromodulator pathways and epigenetic modifications, this research aims to contribute to the development of innovative protocols of precision medicine and more effective strategies for managing the consequences of stress on human behavior. This may also pave way for further research into risk factors and underlying mechanisms that may associate stress with sexual aggression which finds application not only in neuroscience, but also law, ethics, and the humanities in general.
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Affiliation(s)
- Ngala Elvis Mbiydzenyuy
- Basic Science Department, School of Medicine, Copperbelt University, P.O Box 71191, Ndola, Zambia
- Division of Medical Physiology, Biomedical Science Research Institute, Stellenbosch University, Private Bag X1, Matieland, 7602, Cape Town South Africa
| | - Sian Megan Joanna Hemmings
- Division of Molecular Biology & Human Genetics, Biomedical Science Research Institute, Stellenbosch University, Private Bag X1, Matieland, 7602, Cape Town South Africa
| | - Thando W. Shabangu
- Division of Medical Physiology, Biomedical Science Research Institute, Stellenbosch University, Private Bag X1, Matieland, 7602, Cape Town South Africa
| | - Lihle Qulu-Appiah
- Division of Medical Physiology, Biomedical Science Research Institute, Stellenbosch University, Private Bag X1, Matieland, 7602, Cape Town South Africa
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Pinto-Cortez C, Peñaloza-Díaz G, Martínez N, Díaz S, Valdovino N, Zavala M, Muzatto-Negrón P, Zapata-Sepúlveda P. Adverse childhood experiences and psychopathology in adolescents from northern Chile: the moderating role of the attachment style. PSICOLOGIA-REFLEXAO E CRITICA 2023; 36:37. [PMID: 38015372 PMCID: PMC10684444 DOI: 10.1186/s41155-023-00273-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 09/28/2023] [Indexed: 11/29/2023] Open
Abstract
BACKGROUND Identifying the underlying mechanisms through which adverse childhood experiences affect (ACEs) the mental health of adolescents is of paramount importance for disease prevention in later stages of life. OBJECTIVE The present study examines the relationship between ACEs and psychopathology in adolescents from northern Chile and how attachment style (abandonment anxiety and intimacy avoidance) may moderate this relationship. A total of 154 schooled adolescents aged 12 to 17 (M = 15.08, SD = 1.64) completed a series of self-report questionnaires including the Adverse Childhood Experience Questionnaire (ACEs), Experiences in Close Relationships- Relationship Structures (ECR-RS), and Youth Self Report (YSR-18). RESULTS The data analysis was carried out using SPSS version 25, which included descriptive analysis, one-way ANOVA, and Spearman correlation analysis. To address moderation analysis, the PROCESS macro extension version 4.1 was employed. In this process, the bootstrap method was applied to construct confidence intervals, and the pick-a-point approach was used to define the levels of the moderating variable. According to the results, 80.3% of the sample experienced one or more ACEs, and 16.4% reported experiencing at least three. Furthermore, the variables under study exhibited significant correlations with each other, except for intimacy avoidance, which showed no correlation with ACEs (rho = -0.10; p = 0.273). When considering abandonment anxiety as a moderating variable, the direct effect of ACEs on externalizing symptoms showed statistically significant changes (β = 0.60, p = 0.03). No other moderating effects were found according to the proposed models. CONCLUSION In childhood, the accumulation of ACEs is associated with the development of psychopathology in adolescents from northern Chile, specifically with the presence of internalizing and externalizing symptoms. These findings suggest that lower levels of abandonment anxiety could mitigate the effects of ACEs on adolescent psychopathology, while higher levels of abandonment anxiety could exacerbate these effects on psychopathology.
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Affiliation(s)
| | - Gabriel Peñaloza-Díaz
- Universidad de Tarapacá, Arica, Chile.
- Programa de Doctorado en Psicología, Universidad de Tarapacá, Universidad Católica del Norte, Arica, Chile.
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Allahvirdie Rezaieh S, Ghorbani N, Farahani H. Mediating role of splitting in relation to attachment styles and shopping addiction. Front Psychol 2023; 14:1249591. [PMID: 37854143 PMCID: PMC10581345 DOI: 10.3389/fpsyg.2023.1249591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 09/07/2023] [Indexed: 10/20/2023] Open
Abstract
Introduction Shopping can provide a sense of satisfaction and pleasure; however, if a person's excessive involvement in this behavior starts to negatively impact other aspects of their life, similar to other addictive behaviors like excessive internet use, gaming, and gambling, it may be classified as pathological. Given the lack of agreement regarding the classification of excessive shopping tendencies as a separate mental health condition or addictive behavior, taking a socio-emotional approach to explore the psychological factors that precede this behavior, may offer a better comprehension of it. Methods The purpose of this study was to examine the relationship between attachment styles and excessive shopping behavior, as well as to investigate the potential mediating effect of defense mechanisms like splitting on this relationship. Using convenience sampling, a group of 457 stock market employees (116 female, 341 male) between the ages of 24 and 60 were recruited. The researchers utilized a set of validated psychological questionnaires to assess the employees attachment styles, shopping addiction, and splitting tendencies. Results The results obtained from both the mediation model and path analysis suggest that attachment styles do not have a direct relationship with shopping addiction. Nonetheless, the study supports the impact of insecure anxious and avoidan attachment styles on splitting. Furthermore, the findings confirm that splitting has a mediating effect on the relationship between attachment styles and splitting. Discussion The present study enhanced our comprehension of the subconscious mechanisms underlying shopping tendencies. Specifically, the findings suggest that excessive tendencies towards shopping can be considered a maladaptive response resulting from insecure attachment styles and the unconscious utilization of the splitting defense mechanism.
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Affiliation(s)
| | - Nima Ghorbani
- Department of Clinical Psychology, University of Tehran, Tehran, Iran
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Rossi R, Jannini TB, Ciocca G, Cipriani C, Socci V, Pacitti F, Di Lorenzo G. Attachment and resilience as mediators or moderators in the relationship between trauma and psychotic-like experiences. Schizophr Res 2023; 258:36-44. [PMID: 37473666 DOI: 10.1016/j.schres.2023.07.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 04/14/2023] [Accepted: 07/10/2023] [Indexed: 07/22/2023]
Abstract
BACKGROUND A large body of evidence has established a tight relation between traumatic experiences (TEs) and psychotic-like experiences (PLEs). Nevertheless, more comprehensive models involving multiple interactions of serial or parallel mediations and moderations still need to be elucidated. Among the many potential mediators or moderators, insecure attachment and resilience play a key role in the association of stress with PLEs. Hence, we aim to explore the complex pathways that lead from different types of TEs to PLEs, involving attachment and resilience modeled as mediators or moderators. METHODS One thousand ten high school students completed the International Trauma Exposure Measure (ITEM), the 11-item Resilience Scale for Adults (RSA-11), the 16-item Prodromal Questionnaire (iPQ-16), and the Relationship Questionnaire (RQ). A path analysis was conducted to assess mediation and moderation. RESULTS The final model showed that the impact of childhood TEs on PLEs was mediated by a pathway through anxious-insecure attachment styles (i.e., fearful and preoccupied, respectively, 8.75 % and 8.53 % of the total effect) and personal resilience resources. Conversely, the avoidant-insecure attachment was associated with lower interpersonal resilience (b = 0.14 [0.08, 0.20]), which in turn moderated the impact of recent TEs on PLEs (interaction term b = 0.34 [0.21, 0.47]). CONCLUSIONS Our model examines a complex model that includes factors buffering the effect of traumatic experiences on PLEs. Our results highlight the importance of insecure-anxious attachment to personal resilience resources and of insecure-avoidant attachment to interpersonal resilience as potential targets for clinical practice.
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Affiliation(s)
- Rodolfo Rossi
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Tommaso B Jannini
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy.
| | - Giacomo Ciocca
- Department of Dynamic and Clinical Psychology, and Health Studies, Sapienza University of Rome, Rome, Italy
| | - Chiara Cipriani
- Department of Neuroscience and Mental Health, Sapienza University, Rome, Italy
| | - Valentina Socci
- Department of Applied Clinical Sciences and Biotechnologies, University of L'Aquila, L'Aquila, Italy
| | - Francesca Pacitti
- Department of Applied Clinical Sciences and Biotechnologies, University of L'Aquila, L'Aquila, Italy
| | - Giorgio Di Lorenzo
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy; IRCSS Fondazione Santa Lucia, Rome, Italy
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Ensink K, Bégin M, Martin-Gagnon G, Biberdzic M, Berthelot N, Normandin L, Fonagy P, Bernazzani O, Borelli JL. Post-traumatic-stress in the context of childhood maltreatment: pathways from attachment through mentalizing during the transition to parenthood. Front Psychol 2023; 14:919736. [PMID: 37359870 PMCID: PMC10289889 DOI: 10.3389/fpsyg.2023.919736] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 05/17/2023] [Indexed: 06/28/2023] Open
Abstract
Introduction This study aimed to clarify the role of mentalizing in pathways from attachment to Post Traumatic Stress Symptoms (PTSS) in survivors of childhood maltreatment (CM). We focused on the transition to parenting, a critical period for reworking parenting representations to reduce intergenerational maltreatment cycles. Method Study participants included 100 pregnant CM survivors. We assessed PTSS with the SCID and attachment and mentalizing with the Adult Attachment Interview (AAI), which was rated for Attachment and Reflective Functioning (RF). Results Regarding Re-experiencing trauma symptoms, the results of the path analysis were consistent with mediation. CM survivors' mentalizing about their early relationships with their parents (RF-Other) directly impacted Re-experiencing trauma symptoms, and attachment had an effect on Re-experiencing trauma symptoms through mentalizing (RF-Other). Regarding Arousal/Reactivity symptoms, the results of the pathways analysis were consistent with partial mediation by mentalizing about early relationships with parents (RF-Other). In addition to the pathway from attachment via mentalizing (RF-Other) to Arousal/Reactivity, the pathway between attachment and Arousal/Reactivity also remained significant. Discussion This study provides new evidence of a mentalizing and attachment model of PTSS in CM survivors. The findings indicate that increased mentalizing about early relationships with parents is an important process associated with lower PTSS. Finally, we discuss the implications of developing interventions for CM survivors to reduce PTSS. Scaffolding the development of mentalizing regarding attachment relationships in which CM occurred may help CM survivors reduce the intrusion of traumatic memories and decrease trauma-related arousal and reactivity symptoms. Interventions to help CM survivors mentalize regarding parents and attachment relationships in which trauma occurred may be particularly important during the transition to parenting when activation of representations of parenting can trigger PTSS.
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Affiliation(s)
- Karin Ensink
- École de Psychologie, Université Laval, Québec, QC, Canada
| | - Michaël Bégin
- Département de Psychologie, Université de Sherbrooke, Québec, QC, Canada
| | | | - Marko Biberdzic
- Department of Psychology, University of Wollongong, Wollongong, NSW, Australia
| | - Nicolas Berthelot
- Department of Nursing, Université du Québec à Trois-Rivières, Québec, QC, Canada
| | - Lina Normandin
- École de Psychologie, Université Laval, Québec, QC, Canada
| | - Peter Fonagy
- Division of Psychology and Language Sciences, University College London, London, United Kingdom
| | - Odette Bernazzani
- Department of Psychiatry, Université de Montréal, Québec, QC, Canada
| | - Jessica L. Borelli
- Department of Psychological Science, University of California, Irvine, Irvine, CA, United States
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The Relationship between Attachment Styles and Compulsive Online Shopping: The Mediating Roles of Family Functioning Patterns. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19138162. [PMID: 35805821 PMCID: PMC9266044 DOI: 10.3390/ijerph19138162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 06/29/2022] [Accepted: 07/01/2022] [Indexed: 12/10/2022]
Abstract
The rapid expansion of e-commerce has made the buying experience faster, potentially anonymous, and without limits of space and time. While this may produce benefits, for some individuals, online shopping can become an addiction. Therefore, the present study aimed to explore the psychological factors that may be associated with Compulsive Online Shopping, with a specific focus on the role of Attachment Styles and Family Functioning patterns as risk or protective factors. The study involved a sample of 306 participants (Mage = 31.86 years, SD = 11.925) who filled out an online survey consisting of the Compulsive Online Shopping Scale, Relationship Questionnaire, Family Adaptability and Cohesion Evaluation Scales-IV, as well as a demographic questionnaire. The results showed two significant parallel mediation models. In the first one, Secure Attachment was negatively and significantly related to Compulsive Online Shopping, with the mediation of Cohesion and Enmeshed Family Functioning. In the second one, Fearful Attachment was positively and significantly related to Compulsive Online Shopping, with the mediation of Cohesion and Enmeshed Family Functioning. Important implications for preventive activity and tailored interventions may emerge from these data.
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Waters RC, Gould E. Early Life Adversity and Neuropsychiatric Disease: Differential Outcomes and Translational Relevance of Rodent Models. Front Syst Neurosci 2022; 16:860847. [PMID: 35813268 PMCID: PMC9259886 DOI: 10.3389/fnsys.2022.860847] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Accepted: 04/19/2022] [Indexed: 12/02/2022] Open
Abstract
It is now well-established that early life adversity (ELA) predisposes individuals to develop several neuropsychiatric conditions, including anxiety disorders, and major depressive disorder. However, ELA is a very broad term, encompassing multiple types of negative childhood experiences, including physical, sexual and emotional abuse, physical and emotional neglect, as well as trauma associated with chronic illness, family separation, natural disasters, accidents, and witnessing a violent crime. Emerging literature suggests that in humans, different types of adverse experiences are more or less likely to produce susceptibilities to certain conditions that involve affective dysfunction. To investigate the driving mechanisms underlying the connection between experience and subsequent disease, neuroscientists have developed several rodent models of ELA, including pain exposure, maternal deprivation, and limited resources. These studies have also shown that different types of ELA paradigms produce different but somewhat overlapping behavioral phenotypes. In this review, we first investigate the types of ELA that may be driving different neuropsychiatric outcomes and brain changes in humans. We next evaluate whether rodent models of ELA can provide translationally relevant information regarding links between specific types of experience and changes in neural circuits underlying dysfunction.
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Wekerle C, Kim K, Wong N. Child Sexual Abuse Victimization: Focus on Self-Compassion. Front Psychiatry 2022; 13:818774. [PMID: 35308875 PMCID: PMC8924043 DOI: 10.3389/fpsyt.2022.818774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Accepted: 02/07/2022] [Indexed: 11/17/2022] Open
Affiliation(s)
| | - Katherine Kim
- Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Nikki Wong
- Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
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