Gabriëlle Mercera

Dr. Gabriëlle Mercera

orcid

Research Focus & Metrics

Academic Career Length

4Years (2023-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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11 October 2023 in Trauma, Violence, & Abuse
Verified
Journal Article
Closed access
Gabriëlle MerceraGabriëlle Mercera
Gabriëlle Mercera
RKRoel Kooijmans
Roel Kooijmans
SLSophie Leijdesdorff
Sophie Leijdesdorff
EHEvelyn Heynen
Evelyn Heynen
TAThérèse van Amelsvoort
Thérèse van Amelsvoort
Youth are at elevated risk of becoming victims of sexual exploitation, which has a detrimental impact on their physical and psychological well-being. Understanding factors associated with sexual exploitation is key for prevention efforts and adequate and timely treatment. This systematic review sheds more light on this by providing an overview of both risk and protective factors for sexual exploitation in male and female youth from a cross-cultural perspective. In all, 65 studies were selected meeting the inclusion criteria: qualitative or quantitative peer-reviewed studies in English, Dutch, or German with findings on risk and protective factors associated with sexual exploitation in youth aged up to 24 years. Results show that there are common risk factors in male and female youth worldwide (e.g., adverse childhood experiences, lack of a social network, substance use, and running away). Positive and supportive relationships are an important protective factor in mitigating the risk of sexual exploitation. Geographic differences were found. In non-Western continents, more environmental factors (e.g., economic vulnerabilities, residential instability) were cited. Research in countries outside the United States is limited and protective factors and males are underexamined. To fully understand vulnerabilities in youth, their interactions, and possible gender differences and to address the needs of diverse populations, more insight should be gained into the broader range of risk and protective factors worldwide. This systematic review has made a valuable contribution to this by providing practice, policy, and research guidance in the establishment of more targeted prevention efforts, adequate treatment, and areas to address in future research.

20 July 2025 in Journal of Intellectual & Developmental Disability
Verified
Journal Article
Open access
Jessica Vervoort-SchelJessica Vervoort-Schel
Jessica Vervoort-Schel
Gabriëlle MerceraGabriëlle Mercera
Gabriëlle Mercera
IWInge Wissink
Inge Wissink
TSTessel Sterenborg
Tessel Sterenborg
MNMaroesjka van Nieuwenhuijzen
Maroesjka van Nieuwenhuijzen
XMXavier Moonen
Xavier Moonen
Families with intellectual disabilities are overrepresented in child protection systems. However, little is known about how adverse experiences co-occur in this population. This study examined the prevalence and interrelations of original and extended adverse childhood experiences (ACEs) and contextual child and family variables in families with intellectual disabilities under family supervision orders (FSOs). We conducted an exploratory cross-sectional analysis of 128 Dutch case files concerning children aged 0-17 under an FSO, using structured codebooks. Children were exposed to M = 4.4 original ACEs (SD = 2.0); 66.4% experienced four or more. Extended ACEs (e.g., out-of-home placement) and family risk factors (e.g., parental mental health problems, limited social support) were common. Several significant interrelations emerged across child, parent, and resource domains. Findings highlight the need to address co-occurring adversities across family contexts when developing ACE-informed strategies in child protection settings.

8 June 2025 in Disabilities
Verified
Journal Article
Open access
PDF file
Jessica Vervoort-SchelJessica Vervoort-Schel
Jessica Vervoort-Schel
Gabriëlle MerceraGabriëlle Mercera
Gabriëlle Mercera
IWInge Wissink
Inge Wissink
JSJanneke Staaks
Janneke Staaks
PHPeer van der Helm
Peer van der Helm
XMXavier Moonen
Xavier Moonen
Children with intellectual disabilities experience unique developmental, social, and environmental challenges that intersect with adverse childhood experiences (ACEs) and positive childhood experiences (PCEs), shaping their psychosocial outcomes. While prior research has mainly examined single adversities or protective elements, the frameworks of ACEs and PCEs provide a broader understanding of their cumulative and interactive effects. However, these constructs remain underexplored in children with intellectual disabilities. This scoping review maps the range, conceptualization, and impact of ACEs, PCEs, and related concepts on psychosocial outcomes. Following the Joanna Briggs Institute (JBI) methodology, a search of PsycInfo, MEDLINE, CINAHL, Web of Science, and Google Scholar identified studies until October 2024. Two reviewers screened and extracted data using standardized criteria. Findings reveal variability in how ACEs and PCEs are defined and measured. ACE exposure, particularly the cumulative impact of multiple ACEs (polyvictimization), links to adverse psychosocial outcomes, including emotional (e.g., anxiety, depression, Post-Traumatic Stress Disorder), behavioral (e.g., aggression, conduct problems), and developmental (e.g., social and adaptive skill deficits) difficulties. PCEs—such as positive parent–child relationships, teacher–student support, and peer acceptance—mitigate risks, though impact varies by context. Intellectual disabilities severity and socioeconomic adversity shape associations. Further research is needed to inform the adaptation of ACE–PCE frameworks for children with intellectual disabilities.

10 July 2024 in Advances in Neurodevelopmental Disorders
Verified
Journal Article
Open access
PDF file
Gabriëlle MerceraGabriëlle Mercera
Gabriëlle Mercera
TKThomas Kalis
Thomas Kalis
Jessica Vervoort-SchelJessica Vervoort-Schel
Jessica Vervoort-Schel
XMXavier Moonen
Xavier Moonen
Objectives: In mental healthcare, there is a growing emphasis on one’s strengths and context instead of focusing primarily on individual deficiencies, pathologies, risks, and negative emotions. Using the visual and tactile Yucel method, this study gains insight into strengths, burdens, and desires of neurodivergent children in residential care and their parents from different perspectives. Methods: In this qualitative study, a total of 45 interviews with the Yucel method were conducted with nine neurodivergent children, their parents, and involved professionals. All built a constellation of the child and family’s strengths, burdens, and desires using the Yucel method. To explore if by applying this visual and tactile method additional information is provided to that gathered in the standard diagnostic process, the information of the Yucel method was compared to the information found in the multidisciplinary reports of the children. Results: Thematic analysis showed that besides common mentioned strengths (e.g., mother, sports and activities) and burdens (mental health problems), differences in the informants' perspectives were found. Parents mentioned strengths and burdens that were not addressed by other informants and a diversity in needs was found. The comparison of the results from the interviews with the Yucel method with the information in the multidisciplinary reports showed that the Yucel method provided additional information. Conclusions: The Yucel method brought more strengths and perspectives into view than diagnostics as usual in the first three months of residential care. This study contributes to the knowledge regarding personal, strength-based, and family-oriented diagnostics in mental healthcare of neurodivergent children and their families.

17 April 2024 in Child Abuse & Neglect
Verified
Journal Article
Open access
Gabriëlle MerceraGabriëlle Mercera
Gabriëlle Mercera
FNFrank Noteboom
Frank Noteboom
CTChantal Timmermans
Chantal Timmermans
SLSophie Leijdesdorff
Sophie Leijdesdorff
EHEvelyn Heynen
Evelyn Heynen
TATherese van amelsvoort
Therese van amelsvoort
Background: Sexually exploited young men are prevalent, yet underrepresented in clinical practice, policy and research. There are multiple barriers that often prevent young men to disclose and to seek or receive support, such as gender norms, limited awareness of victimization and feelings of guilt and shame. Objective: By gaining more insight into the background characteristics of young men who experienced sexual exploitation and their needs, this study aims to raise awareness and to better inform policymakers, care- and educational professionals on adequate prevention and intervention efforts. Methods: Twenty-six young men (age 14-32) who experienced sexual exploitation or other forms of sexual violence in their youth or were at high-risk, participated in this qualitative study that was conducted in The Netherlands. By means of semi-structured interviews and case-file analyses, data was collected to identify risk and protective factors in their life-course and support needs. Results: Several vulnerabilities (e.g. previous experiences of abuse and neglect, household dysfunction, social rejection, running away, substance use) and a lack of positive and supportive relationships led young men into high-risk situations. Among these were involvement in pay dates, criminality and having to survive from day to day, which contributed to victimization. Prevailing gender norms and experiences of stigmatization were often a barrier to express vulnerabilities and to disclose victimization. There was a wide variety in support needs, including peer-to-peer support, therapy, support with day-to-day practices and anonymous support. Conclusions: These results will contribute to adequate prevention and trauma-informed intervention strategies that meet the unique needs of young men at risk for, or victim of sexual exploitation.

8 February 2024 in Journal of Child & Adolescent Trauma
Verified
Journal Article
Open access
PDF file
Gabriëlle MerceraGabriëlle Mercera
Gabriëlle Mercera
Jessica Vervoort-SchelJessica Vervoort-Schel
Jessica Vervoort-Schel
EOEvelyne Catharina Petronella Offerman
Evelyne Catharina Petronella Offerman
SPSanne Pronk
Sanne Pronk
IWInge Wissink
Inge Wissink
RLRamon J.L.L. Lindauer
Ramon J.L.L. Lindauer
To date, Adverse Childhood Experiences (ACEs) in adolescents with special educational and care needs have received little attention as an important risk factor for their behavioral, emotional, and learning problems. This study provides insight into ACE prevalence and family risk factors in three Dutch special educational and care settings for vulnerable school-aged youth. 268 adolescents (10–18 years old) with severe and persistent problems at individual and family level, from a special educational setting (setting 1; n = 59), a residential care setting (setting 2; n = 86) and an alternative educational setting (setting 3; n = 123) were included. A retrospective cross-sectional study design was used. Data were collected between 2016 and 2019 through structured case-file analysis. A substantial proportion of the adolescents in all settings experienced at least one ACE, with 69.5% in setting 1, 84.9% in setting 2 and 95.1% in setting 3. Family risk factors were relatively common, among which a limited social network in all settings (20–50%) and debts in setting 2 and 3 (25–40%). The substantial ACE prevalence underlines the need for early ACE awareness. Trauma-informed care and education are needed to adequately understand trauma-related behaviors, prevent retraumatization, and enhance learning and healthy development. Given that ACEs regarding household dysfunction and family risk factors seem to be common in adolescents with special educational and care needs, family centered approaches should be implemented as well in the interest of lifelong health and well-being for both adolescents and their families.