The Biology of BDSM: A Systematic Review

The Kink Orientation Scale: Developing and Validating a Measure of Kink Desire, Practice, and Identity

Kink, often referred to as BDSM, is an important aspect of a sizable minority's sexual desires, practices, and personal relationships, yet there are few ways to assess kink engagement in a holistic manner. This study aimed to develop the Kink Orientation Scale (KOS), a novel short tool for measuring different aspects of kink sexuality. In phase one, 27 items were created and included in the initial scale based on a literature review and focus groups with kinky and non-kinky individuals. In phase two, the KOS was administered to 200 university students. Exploratory Factor Analyses (EFA) were used to determine the factor structure and dimensionality of the KOS, and we retained 18 items in the scale and identified five factors. In phase three, the 18 item KOS was administered to a kink sample of 1025 participants as a form of validation. Confirmatory Factor Analyses also identified five factors with a strong overlap to the EFA. The five factors were: kink identity; kink community; kink paraphernalia; kink practices; and sexual communication. The kink sample also provided higher scores on the KOS compared with the non-kink sample. This study shows the potential utility of the KOS in measuring kink engagement holistically.

Theories on the Etiology of Deviant Sexual Interests: A Systematic Review

Not much is known about the etiology, or development, of deviant sexual interests. The aim of this systematic review was to provide a broad overview of current theories on the etiology of sexual deviance. We conducted a systematic search of the databases PubMed and APA PsycInfo (EBSCO). Studies were included when they discussed a theory regarding the etiology or development of sexual deviance. Included studies were assessed on quality criteria for good theories. Common etiological themes were extracted using thematic analysis. We included 47 theories explaining sexual deviance in general as well as various specific deviant sexual interests, such as pedophilia and sadism/masochism. Few theories (k = 7) were of acceptable quality as suggested by our systematic assessment of quality criteria for good theories (QUACGOT). These theories indicated that deviant sexual interests may develop as the result of an interplay of various factors: excitation transfer between emotions and sexual arousal, conditioning, problems with "normative" sexuality, and social learning. Neurobiological findings could not be included as no acceptable quality neurobiological theories could be retrieved. The important roles of excitation transfer and conditioning designate that dynamic, changeable processes take part in the etiology of sexual deviance. These same processes could potentially be deployed to diminish unwanted deviant sexual interests.

An Evolutionary Psychological Approach Toward BDSM Interest and Behavior

Bondage/discipline, Dominance/submission, and Sadism/Masochism (BDSM) have gained increased attention and discussion in recent years. This prevalence is accompanied by a shift in perceptions of BDSM, including the declassification of sadomasochism as a paraphilic disorder. Evolutionary psychology offers a unique perspective of why some individuals are interested in BDSM and why some prefer certain elements of BDSM over others (e.g., dominance versus submission). In this paper, we examine BDSM from an evolutionary standpoint, examining biopsychosocial factors that underlie the BDSM interests and practice. We articulate this perspective via an exploration of: proximate processes, such as the role of childhood experiences, sexual conditioning, and physiological factors; as well as ultimate explanations for power play and pain play dimensions of BDSM, highlighting the potential adaptive advantages of each. While BDSM may not be adaptive in itself, we examine the literature of sex differences in BDSM role preferences and argue that these preferences may stem from the extreme forms of behaviors which enhance reproductive success. In the realm of pain play, we explore the intersection of pain and pleasure from both physiological and psychological perspectives, highlighting the crucial role of psychological and play partner factors in modulating the experience of pain. Finally, we encourage future research in social sciences to utilize evolutionary frameworks to further explore the subject and help alleviate the mystification surrounding BDSM. This multifaceted exploration of BDSM provides valuable insights for clinicians, kink-identified individuals, and scholars seeking to understand the evolutionary perspectives of human sexual behavior and preferences.

Tickle fetishism: pleasure beyond playfulness

Tickling is commonly perceived as juvenile play associated with laughter. However, its potential connection to adult sexual behavior has largely remained unexplored. Our online survey, primarily distributed among individuals interested in tickle fetishism, explored tickling and its association with sexual behavior. Ticklishness types, tools, preferred body parts, and partner preferences, were examined. Results revealed diverse patterns of ticklishness changes over time and distinct body-part preferences for different types of tickling. Childhood experiences and exposure to tickling content in television were found to shape individuals' affinity for tickle fetishism. A quarter of respondents reported experiencing orgasms exclusively from tickling, while around 88% expressed sexual satisfaction through tickling alone, indicating its sufficiency as a sexual stimulus among fetishists. Tickling desire decreased after orgasm, indicating an association between tickling and sexual activity. Moreover, ticklishness degree predicted preferences for being tickled rather than tickling others. Exploratory factor analysis identified three factors underlying tickling and sexual experiences: enjoyment and frequency of tickling during sexual activity; preference for intense sexual experiences; age of becoming sexually active. In conclusion, this study provides unique insights into tickling and its connections to sexual context, enhancing our understanding of diverse human sexual behavior and tickle fetishism as a distinct preference.

BDSM in North America, Europe, and Oceania: A Large-Scale International Survey Gauging BDSM Interests and Activities

BDSM bondage and discipline, dominance and submission, and sadism and masochism is a widespread and highly prevalent yet stigmatized practice of intimacy and sexuality. In recent years, international interest in BDSM research has grown, mainly resulting in prevalence studies in various countries. To date, however, no research has investigated international and intercontinental differences in the nature of BDSM interests and fantasies, BDSM roles and practicing contexts among BDSM practitioners. In order to explore international discrepancies in BDSM identity, fantasies, and activities among self-identified BDSM practitioners, a group of FetLife (a social network website for BDSM and kink interested individuals) members (N = 1,112) originating from North America (n = 458), Europe (n = 566), Oceania (n = 46), and Other (n = 42) completed the survey. Europeans reported an earlier age of onset of fantasizing about BDSM than did North Americans. More North Americans indicated practicing BDSM in a public context than did Europeans and Oceanians. These differences could in part be explained by different cultural backgrounds, higher levels of religiosity, and current stigmas toward non-traditional sexual interests. Future research should focus on clarifying whether cultural mechanisms underlie these dissimilarities.

Current biopsychosocial science on understanding kink

The field of kink (or BDSM) studies has grown significantly in recent years, with several areas of study being initiated. This paper summarizes the current state of kink research, including prevalence rates; marginalization and stigma; key biological, psychological, and social research findings; clinical issues; and recommendations for further research. Theoretical frameworks, such as minority stress, serious leisure, sexual orientation, personal growth, and sensation-seeking theories appear to be useful frameworks outside of approaches that assume psychopathology as an etiological factor. Studies find the following results: higher levels of sensation-seeking; kink activities generating states of flow and transient hypofrontality; notable levels of gender, sexual orientation, and relationship style diversity in kink samples; and higher levels of minority stress-related suicidality.