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Guy T’sjoen

Biographic Data

ID4369529
NAMEGuy T’sjoen
GIVEN NAMESGuy
FAMILY NAMET’sjoen
SIGNATURET’SJOEN G
AFFILIATIONSGhent University Hospital
ORCID0000-0003-0457-9673
VERIFIEDYes
TOTAL WORKS19
TOTAL CITATIONS56
AUTHOR COUNT19
EDITOR COUNT0
FIRST PUBLICATION YEAR2005
LATEST PUBLICATION YEAR2026
H-INDEX4
  • Gender-Affirming Care: A 21st Century Bibliometric Perspective

    Open Access•Jeroen Vervalcke, Konstantina Barouti et al.•ARTICLE•International Journal of Sexual…•2026

    Introduction Health of transgender people is a globally relevant issue, and research on the topic has expanded rapidly in the 21st century, warranting a bibliometric approach. We aim to characterize the transgender health-related publication landscape and describe the current state of research.Methods A bibliometric analysis was conducted in Medline, restricted to publications indexed after December 31, 1999. The search string contained keywords …

  • Social rejection in minority groups and its impact on current and future mental health: A study in transgender people

    Open Access•Meltem Kiyar, Jens Allaert et al.•ARTICLE•BMC Psychology•2025

    The findings indicate heightened attention to feedback in trans people as well as heightened attention to the evaluator in CW during a social evaluation task. Lastly, gaze duration is linked with mental health outcomes more than half year later for TM, TW, and CW

  • Daily Sexual Behavior, Sexual Esteem, and Body Image in Transgender and Cisgender Individuals

    Open Access•Mathilde Kennis, Felix Duecker et al.•ARTICLE•The Journal of Sex Research•2022•Cited by: 1•References: 3

    Multiple surveys have suggested that transgender individuals show lower sexual well-being than cisgender individuals. Most studies, however, are limited in terms of ecological validity and memory bias and cross-sectional in nature. These issues are less prevalent in diary studies monitoring responses over time at home. For three weeks, 47 transgender ( M age = 29.00, SD = 11.62) and 52 cisgender individuals ( M age = 32.90, SD = 11.44) reported d…

  • Sexual Self-Concept Discrepancies Mediate the Relation between Gender Dysphoria Sexual Esteem and Sexual Attitudes in Binary Transgender Individuals

    Open Access•Mathilde Kennis, Felix Duecker et al.•ARTICLE•The Journal of Sex Research•2021•Cited by: 2•References: 11

    Sexual responding in transgender people has typically been investigated from a medical and functional perspective. Aligning with the biopsychosocial model, it is however equally important to consider psychological aspects of sexuality in this population. We propose that the Sexual Self-Concept (SSC) theory offers a valuable framework to understand (sexual) wellbeing in transgender people, while Self-Concept Discrepancy (SCD) theory could offer an…

  • Sexual health, transition-related risk behavior and need for health care among transgender sex workers

    Judith Van Schuylenbergh, Joz Motmans et al.•ARTICLE•International Journal of…•2019•Cited by: 3•References: 8

    Background: Research has shown that sexual risk behavior, as well as transition-related risk behavior, such as uncontrolled hormone use, auto-medication, and silicone injections, may lead to several adverse health outcomes for transgender persons. Transgender sex workers are a vulnerable group within the transgender population, who are at increased risk for these health risk behaviors. However, European research into this topic and risk populatio…

  • Variation of meningioma in response to cyproterone acetate in a trans woman

    Mirra Boer, Loes Moernaut et al.•ARTICLE•International Journal of…•2018

    Background: Meningiomas express estrogen and progesterone receptors, suggestive of hormonal responsiveness. So far, eight cases of trans women with a meningioma have been reported in the literature.Methods: Detailed report of the symptoms, treatment, and follow-up of an individual transgender patient with a meningioma.Results: A trans woman treated long-term with gender affirming hormone therapy, including cyproterone acetate, a synthetic progest…

  • Non-binary or genderqueer genders

    Christina Richards, Walter Pierre Bouman et al.•ARTICLE•International Review of Psychiatry•2016

    Some people have a gender which is neither male nor female and may identify as both male and female at one time, as different genders at different times, as no gender at all, or dispute the very idea of only two genders. The umbrella terms for such genders are 'genderqueer' or 'non-binary' genders. Such gender identities outside of the binary of female and male are increasingly being recognized in legal, medical and psychological systems and diag…

  • Prevalence of Gender Nonconformity in Flanders, Belgium

    Open Access•Eva Van Caenegem, Katrien Wierckx et al.•ARTICLE•Archives of Sexual Behavior•2015•Cited by: 5•References: 15

  • Cycle-Related Changes in Mood, Sexual Desire, and Sexual Activity in Oral Contraception-Using and Nonhormonal-Contraception-Using Couples

    Els Elaut, Ann Buysse et al.•ARTICLE•The Journal of Sex Research•2014•Cited by: 3•References: 5

    Findings on women's sexuality across the menstrual cycle are inconsistent. One relatively consistent finding is a midcycle and premenstrual peak in sexual desire in freely cycling women. Results on the cycle-related effects on sexual behavior are less clear. Large proportions of reproductive-aged women use combined oral contraception (COC), but studies on potential cycle-related shifts in sexual desire and behavior are sparse. A prospective diary…

  • Asexuality: A Multidimensional Approach

    Ellen Van Houdenhove, Luk Gijs et al.•ARTICLE•The Journal of Sex Research•2014•Cited by: 25•References: 6

    While lack of sexual attraction, lack of sexual behavior, and self-identification as asexual have been used as criteria to define asexuality, it is not known how much they overlap in describing the same group of people. This study aimed to assess how many individuals could be identified as asexual based on each of these criteria and on combinations of these criteria. Participants were recruited through the Asexuality Visibility and Education Netw…

  • Bilateral Non-arteritic Ischemic Optic Neuropathy in a Transsexual Woman Using Excessive Estrogen Dosage

    Open Access•Katrien Wierckx, Julie De Zaeytijd et al.•ARTICLE•Archives of Sexual Behavior•2014•References: 17

  • Social Science Theories on Adolescent Risk-Taking: The Relevance of Behavioral Inhibition and Activation

    Open Access•Hans Vermeersch, Guy T’sjoen et al.•ARTICLE•Youth & Society•2013•References: 34

    The major social science theories on adolescent risk-taking-strain, social control, and differential association theories-have received substantial empirical support. The relationships between variables central to these theories and individual differences in temperament related to risk-taking, however, have not been adequately studied. In a sample of adolescents, this study examines how behavioral inhibition and activation relate to variables cen…

  • Sperm Freezing in Transsexual Women

    Open Access•Katrien Wierckx, Isabelle Stuyver et al.•ARTICLE•Archives of Sexual Behavior•2012•References: 18

  • Male Gender Identity in Complete Androgen Insensitivity Syndrome

    Open Access•Guy T’sjoen, Griet De Cuypere et al.•ARTICLE•Archives of Sexual Behavior•2011•Cited by: 4•References: 21

  • Gender Ideology, Same-Sex Peer Group Affiliation and the Relationship Between Testosterone and Dominance in Adolescent Boys and Girls

    Open Access•Hans Vermeersch, Guy T’sjoen et al.•ARTICLE•Journal of Biosocial Science•2010

    Although the role of testosterone in the aetiology of social dominance is often suggested, surprisingly few studies have addressed the relationship between sex steroid hormones and dominance as a personality trait. In this paper, the relationship between testosterone and dominance is studied in a sample of adolescent boys and girls, taking into account the moderating role of gender ideology and same-sex peer group orientation. A direct associatio…

  • The Experience of Daily Hassles, Cardiovascular Reactivity and Adolescent Risk Taking and Self-Esteem

    Hans Vermeersch, Guy T’sjoen et al.•ARTICLE•Social Forces•2010

    Based on Boyce and Ellis' model on context and biological sensitivity to the context, this article analyzes the interaction between the experience of daily hassles and experimentally induced cardiovascular reactivity as an indicator of stress reactivity, in explaining risk taking and self-esteem. This study found, in a sample of 599 adolescents, that (1. daily hassles were more strongly related to risk taking in boys and girls with high vs. low l…

  • Gender, Parental Control, and Adolescent Risk-Taking

    Hans Vermeersch, Guy T''Sjoen et al.•ARTICLE•Deviant Behavior•2008•Cited by: 4•References: 76

    This study examines the relationship between gender, control, and adolescent risk-taking in a sample of 599 adolescents and explores the relation of paternal and maternal direct and indirect control with adolescent risk-taking, controlling for potentially confounding effect of family-related stressors and differential association. Gender differences in levels and effects of direct and indirect control, in levels and effects of family-related stra…

  • Impact of Voice in Transsexuals

    Guy T’sjoen, Mieke Moerman et al.•ARTICLE•International Journal of…•2006

    Transsexualism implies that an anatomically normal individual feels that he or she is actually a member of the opposite sex. Treatment usually includes real-life experience along with hormone therapy and sex reassignment surgery. Voice modification surgery may be necessary, as pass ability in general is still in a large extent dependent on the aspects of voice in transsexual people. Often male-to-female patients report being addressed in telephon…

  • Sexual and Physical Health After Sex Reassignment Surgery

    Open Access•Griet De Cuypere, Guy T’sjoen et al.•ARTICLE•Archives of Sexual Behavior•2005•Cited by: 9•References: 33

  • Asexuality: A Multidimensional Approach

    Ellen Van Houdenhove, Luk Gijs et al.•ARTICLE•The Journal of Sex Research•2014•Cited by: 25•References: 6

    While lack of sexual attraction, lack of sexual behavior, and self-identification as asexual have been used as criteria to define asexuality, it is not known how much they overlap in describing the same group of people. This study aimed to assess how many individuals could be identified as asexual based on each of these criteria and on combinations of these criteria. Participants were recruited through the Asexuality Visibility and Education Netw…

  • Sexual and Physical Health After Sex Reassignment Surgery

    Open Access•Griet De Cuypere, Guy T’sjoen et al.•ARTICLE•Archives of Sexual Behavior•2005•Cited by: 9•References: 33

  • Prevalence of Gender Nonconformity in Flanders, Belgium

    Open Access•Eva Van Caenegem, Katrien Wierckx et al.•ARTICLE•Archives of Sexual Behavior•2015•Cited by: 5•References: 15

  • Male Gender Identity in Complete Androgen Insensitivity Syndrome

    Open Access•Guy T’sjoen, Griet De Cuypere et al.•ARTICLE•Archives of Sexual Behavior•2011•Cited by: 4•References: 21

  • Gender, Parental Control, and Adolescent Risk-Taking

    Hans Vermeersch, Guy T''Sjoen et al.•ARTICLE•Deviant Behavior•2008•Cited by: 4•References: 76

    This study examines the relationship between gender, control, and adolescent risk-taking in a sample of 599 adolescents and explores the relation of paternal and maternal direct and indirect control with adolescent risk-taking, controlling for potentially confounding effect of family-related stressors and differential association. Gender differences in levels and effects of direct and indirect control, in levels and effects of family-related stra…

  • Sexual health, transition-related risk behavior and need for health care among transgender sex workers

    Judith Van Schuylenbergh, Joz Motmans et al.•ARTICLE•International Journal of…•2019•Cited by: 3•References: 8

    Background: Research has shown that sexual risk behavior, as well as transition-related risk behavior, such as uncontrolled hormone use, auto-medication, and silicone injections, may lead to several adverse health outcomes for transgender persons. Transgender sex workers are a vulnerable group within the transgender population, who are at increased risk for these health risk behaviors. However, European research into this topic and risk populatio…

  • Cycle-Related Changes in Mood, Sexual Desire, and Sexual Activity in Oral Contraception-Using and Nonhormonal-Contraception-Using Couples

    Els Elaut, Ann Buysse et al.•ARTICLE•The Journal of Sex Research•2014•Cited by: 3•References: 5

    Findings on women's sexuality across the menstrual cycle are inconsistent. One relatively consistent finding is a midcycle and premenstrual peak in sexual desire in freely cycling women. Results on the cycle-related effects on sexual behavior are less clear. Large proportions of reproductive-aged women use combined oral contraception (COC), but studies on potential cycle-related shifts in sexual desire and behavior are sparse. A prospective diary…

  • Sexual Self-Concept Discrepancies Mediate the Relation between Gender Dysphoria Sexual Esteem and Sexual Attitudes in Binary Transgender Individuals

    Open Access•Mathilde Kennis, Felix Duecker et al.•ARTICLE•The Journal of Sex Research•2021•Cited by: 2•References: 11

    Sexual responding in transgender people has typically been investigated from a medical and functional perspective. Aligning with the biopsychosocial model, it is however equally important to consider psychological aspects of sexuality in this population. We propose that the Sexual Self-Concept (SSC) theory offers a valuable framework to understand (sexual) wellbeing in transgender people, while Self-Concept Discrepancy (SCD) theory could offer an…

  • Daily Sexual Behavior, Sexual Esteem, and Body Image in Transgender and Cisgender Individuals

    Open Access•Mathilde Kennis, Felix Duecker et al.•ARTICLE•The Journal of Sex Research•2022•Cited by: 1•References: 3

    Multiple surveys have suggested that transgender individuals show lower sexual well-being than cisgender individuals. Most studies, however, are limited in terms of ecological validity and memory bias and cross-sectional in nature. These issues are less prevalent in diary studies monitoring responses over time at home. For three weeks, 47 transgender ( M age = 29.00, SD = 11.62) and 52 cisgender individuals ( M age = 32.90, SD = 11.44) reported d…

  • Sexual and Physical Health After Sex Reassignment Surgery

    Open Access•Griet De Cuypere, Guy T’sjoen et al.•ARTICLE•Archives of Sexual Behavior•2005•Cited by: 9•References: 33

  • Impact of Voice in Transsexuals

    Guy T’sjoen, Mieke Moerman et al.•ARTICLE•International Journal of…•2006

    Transsexualism implies that an anatomically normal individual feels that he or she is actually a member of the opposite sex. Treatment usually includes real-life experience along with hormone therapy and sex reassignment surgery. Voice modification surgery may be necessary, as pass ability in general is still in a large extent dependent on the aspects of voice in transsexual people. Often male-to-female patients report being addressed in telephon…

  • Gender, Parental Control, and Adolescent Risk-Taking

    Hans Vermeersch, Guy T''Sjoen et al.•ARTICLE•Deviant Behavior•2008•Cited by: 4•References: 76

    This study examines the relationship between gender, control, and adolescent risk-taking in a sample of 599 adolescents and explores the relation of paternal and maternal direct and indirect control with adolescent risk-taking, controlling for potentially confounding effect of family-related stressors and differential association. Gender differences in levels and effects of direct and indirect control, in levels and effects of family-related stra…

  • Gender Ideology, Same-Sex Peer Group Affiliation and the Relationship Between Testosterone and Dominance in Adolescent Boys and Girls

    Open Access•Hans Vermeersch, Guy T’sjoen et al.•ARTICLE•Journal of Biosocial Science•2010

    Although the role of testosterone in the aetiology of social dominance is often suggested, surprisingly few studies have addressed the relationship between sex steroid hormones and dominance as a personality trait. In this paper, the relationship between testosterone and dominance is studied in a sample of adolescent boys and girls, taking into account the moderating role of gender ideology and same-sex peer group orientation. A direct associatio…

  • The Experience of Daily Hassles, Cardiovascular Reactivity and Adolescent Risk Taking and Self-Esteem

    Hans Vermeersch, Guy T’sjoen et al.•ARTICLE•Social Forces•2010

    Based on Boyce and Ellis' model on context and biological sensitivity to the context, this article analyzes the interaction between the experience of daily hassles and experimentally induced cardiovascular reactivity as an indicator of stress reactivity, in explaining risk taking and self-esteem. This study found, in a sample of 599 adolescents, that (1. daily hassles were more strongly related to risk taking in boys and girls with high vs. low l…

  • Male Gender Identity in Complete Androgen Insensitivity Syndrome

    Open Access•Guy T’sjoen, Griet De Cuypere et al.•ARTICLE•Archives of Sexual Behavior•2011•Cited by: 4•References: 21

  • Sperm Freezing in Transsexual Women

    Open Access•Katrien Wierckx, Isabelle Stuyver et al.•ARTICLE•Archives of Sexual Behavior•2012•References: 18

  • Social Science Theories on Adolescent Risk-Taking: The Relevance of Behavioral Inhibition and Activation

    Open Access•Hans Vermeersch, Guy T’sjoen et al.•ARTICLE•Youth & Society•2013•References: 34

    The major social science theories on adolescent risk-taking-strain, social control, and differential association theories-have received substantial empirical support. The relationships between variables central to these theories and individual differences in temperament related to risk-taking, however, have not been adequately studied. In a sample of adolescents, this study examines how behavioral inhibition and activation relate to variables cen…

  • Cycle-Related Changes in Mood, Sexual Desire, and Sexual Activity in Oral Contraception-Using and Nonhormonal-Contraception-Using Couples

    Els Elaut, Ann Buysse et al.•ARTICLE•The Journal of Sex Research•2014•Cited by: 3•References: 5

    Findings on women's sexuality across the menstrual cycle are inconsistent. One relatively consistent finding is a midcycle and premenstrual peak in sexual desire in freely cycling women. Results on the cycle-related effects on sexual behavior are less clear. Large proportions of reproductive-aged women use combined oral contraception (COC), but studies on potential cycle-related shifts in sexual desire and behavior are sparse. A prospective diary…

  • Asexuality: A Multidimensional Approach

    Ellen Van Houdenhove, Luk Gijs et al.•ARTICLE•The Journal of Sex Research•2014•Cited by: 25•References: 6

    While lack of sexual attraction, lack of sexual behavior, and self-identification as asexual have been used as criteria to define asexuality, it is not known how much they overlap in describing the same group of people. This study aimed to assess how many individuals could be identified as asexual based on each of these criteria and on combinations of these criteria. Participants were recruited through the Asexuality Visibility and Education Netw…

  • Bilateral Non-arteritic Ischemic Optic Neuropathy in a Transsexual Woman Using Excessive Estrogen Dosage

    Open Access•Katrien Wierckx, Julie De Zaeytijd et al.•ARTICLE•Archives of Sexual Behavior•2014•References: 17

  • Prevalence of Gender Nonconformity in Flanders, Belgium

    Open Access•Eva Van Caenegem, Katrien Wierckx et al.•ARTICLE•Archives of Sexual Behavior•2015•Cited by: 5•References: 15

  • Non-binary or genderqueer genders

    Christina Richards, Walter Pierre Bouman et al.•ARTICLE•International Review of Psychiatry•2016

    Some people have a gender which is neither male nor female and may identify as both male and female at one time, as different genders at different times, as no gender at all, or dispute the very idea of only two genders. The umbrella terms for such genders are 'genderqueer' or 'non-binary' genders. Such gender identities outside of the binary of female and male are increasingly being recognized in legal, medical and psychological systems and diag…

  • Variation of meningioma in response to cyproterone acetate in a trans woman

    Mirra Boer, Loes Moernaut et al.•ARTICLE•International Journal of…•2018

    Background: Meningiomas express estrogen and progesterone receptors, suggestive of hormonal responsiveness. So far, eight cases of trans women with a meningioma have been reported in the literature.Methods: Detailed report of the symptoms, treatment, and follow-up of an individual transgender patient with a meningioma.Results: A trans woman treated long-term with gender affirming hormone therapy, including cyproterone acetate, a synthetic progest…

  • Sexual health, transition-related risk behavior and need for health care among transgender sex workers

    Judith Van Schuylenbergh, Joz Motmans et al.•ARTICLE•International Journal of…•2019•Cited by: 3•References: 8

    Background: Research has shown that sexual risk behavior, as well as transition-related risk behavior, such as uncontrolled hormone use, auto-medication, and silicone injections, may lead to several adverse health outcomes for transgender persons. Transgender sex workers are a vulnerable group within the transgender population, who are at increased risk for these health risk behaviors. However, European research into this topic and risk populatio…

  • Sexual Self-Concept Discrepancies Mediate the Relation between Gender Dysphoria Sexual Esteem and Sexual Attitudes in Binary Transgender Individuals

    Open Access•Mathilde Kennis, Felix Duecker et al.•ARTICLE•The Journal of Sex Research•2021•Cited by: 2•References: 11

    Sexual responding in transgender people has typically been investigated from a medical and functional perspective. Aligning with the biopsychosocial model, it is however equally important to consider psychological aspects of sexuality in this population. We propose that the Sexual Self-Concept (SSC) theory offers a valuable framework to understand (sexual) wellbeing in transgender people, while Self-Concept Discrepancy (SCD) theory could offer an…

  • Daily Sexual Behavior, Sexual Esteem, and Body Image in Transgender and Cisgender Individuals

    Open Access•Mathilde Kennis, Felix Duecker et al.•ARTICLE•The Journal of Sex Research•2022•Cited by: 1•References: 3

    Multiple surveys have suggested that transgender individuals show lower sexual well-being than cisgender individuals. Most studies, however, are limited in terms of ecological validity and memory bias and cross-sectional in nature. These issues are less prevalent in diary studies monitoring responses over time at home. For three weeks, 47 transgender ( M age = 29.00, SD = 11.62) and 52 cisgender individuals ( M age = 32.90, SD = 11.44) reported d…

  • Social rejection in minority groups and its impact on current and future mental health: A study in transgender people

    Open Access•Meltem Kiyar, Jens Allaert et al.•ARTICLE•BMC Psychology•2025

    The findings indicate heightened attention to feedback in trans people as well as heightened attention to the evaluator in CW during a social evaluation task. Lastly, gaze duration is linked with mental health outcomes more than half year later for TM, TW, and CW

  • Gender-Affirming Care: A 21st Century Bibliometric Perspective

    Open Access•Jeroen Vervalcke, Konstantina Barouti et al.•ARTICLE•International Journal of Sexual…•2026

    Introduction Health of transgender people is a globally relevant issue, and research on the topic has expanded rapidly in the 21st century, warranting a bibliometric approach. We aim to characterize the transgender health-related publication landscape and describe the current state of research.Methods A bibliometric analysis was conducted in Medline, restricted to publications indexed after December 31, 1999. The search string contained keywords …

Psychology (16 works) · Medicine (12 works) · Social Psychology (11 works) · Clinical Psychology (10 works) · LGBTQ Health, Identity, and Policy (9 works) · Transgender (9 works) · Developmental psychology (8 works) · Sexuality, Behavior, and Technology (7 works) · Clinical Psychology (6 works) · Gender Studies (6 works)

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