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BACKGROUND: Hypoactive Sexual Desire Disorder (HSDD) is a frequent sex-related problem in women; however, a specific tool to characterize HSDD subtypes based on sexual inhibitory and excitatory factors is still lacking. AIM: (1) To find a cutoff value in Sexual Inhibition Scale (SIS)/Sexual Excitation Scale (SES) scores predicting a diagnosis of HSDD in women consulting for sexual symptoms, (2) to explore the sexual inhibitory and excitatory profiles in women referred to a clinic for female sexual dysfunction by stratifying the sample according to the newfound cutoffs, and (3) to identify biopsychosocial factors significantly associated with the 2 profiles. METHODS: An overall 133 women consulting for sexual symptoms were retrospectively evaluated for clinical, biochemical, and psychosexologic data collected at the first visit. A subgroup of 55 women treated with transdermal testosterone was retrospectively analyzed at baseline and the 6-month visit. OUTCOMES: Patients underwent physical and laboratory examinations and completed the SIS/SES, Female Sexual Function Index, Female Sexual Distress Scale-Revised, Emotional Eating Scale, and Middlesex Hospital Questionnaire. RESULTS: Specific cutoffs for SIS1 (≥32.5; indicating threat of performance failure) and SES (≤46.5) predicted HSDD diagnosis with an accuracy of 66.4% (P = .002) and 68.7% (P < .0001), respectively. Patients with impaired SIS1 scores showed higher distress and psychopathologic symptoms, while those with impaired SES scores demonstrated lower desire and arousal and a negative association with some metabolic and hormonal parameters. SES score also showed a significant predictive value on testosterone treatment efficacy for HSDD. CLINICAL TRANSLATION: A better characterization of HSDD would enable individualized treatment based on the main underlying etiologies. STRENGTHS AND LIMITATIONS: Limitations of the study include the small sample size and cross-sectional retrospective design, with the choice of treatment for HSDD limited to transdermal testosterone. Strengths comprise the thorough and multifactorial evaluation of every aspect potentially affecting inhibitory and excitatory components of sexual desire. CONCLUSION: Validated cutoffs of SIS/SES scores could allow deep characterization of women diagnosed with HSDD, thus ensuring better tailoring of therapy and prediction of the probability of response to specific treatments.

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The present study sought to investigate sex and sexual orientation differences in several traits related to sexuality and sexual behavior. Examining sexual orientation differences alongside basic sex differences to help identify correlates of sexual orientation diversity, and whether individuals with varying degrees of same-sex attraction show concurrent sex-atypical shifts in other domains. Males tend to score higher than females in the Dark Triad (DT) traits of sub-clinical narcissism, psychopathy, and Machiavellianism. Similarly, females tend to be more cautious than males in their attitudes and desires toward casual sex activity (i.e., sociosexuality). These sex differences may be related to the propensity for individuals to become easily sexually excited, which is higher in males, or to instead inhibit sexual arousal, which is higher in females. In a large undergraduate sample (N = 2047), we replicated expected sex differences in DT traits, sociosexuality, and sexual excitation/inhibition. We found that non-heterosexual females were "male-shifted" in some of these traits, but these shifts tended to be strongest among mostly heterosexual and bisexual individuals. Furthermore, we found that within-sex variation in sociosexuality, sexual excitation, and sexual inhibition was not related to sexual orientation in a linear fashion. Instead, sociosexuality and sexual excitation were related to sexual orientation in a curvilinear (inverted-U) fashion, especially among females. The fact that traits correlated with bisexuality and homosexuality were somewhat distinct is consistent with the idea that different developmental pathways may lead to these discrete sexual attraction patterns.

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Background/objective: The Multidimensional Model of the Subjective Orgasm Experience (MMSOE) has been validated in the context of heterosexual relationships, with no evidence in the context of same-sex relationships. This study aims to examine the association of its dimensions (Affective, Intimacy, Sensory, and Rewards) with the propensity for sexual excitation, rating of sexual arousal, rating of genital sensations, and genital response. Method: Sixty-eight young adults (34 males and 34 females) who were sexually active with people of the same sex participated in a laboratory task in which they viewed content-neutral and sexually explicit gay films. Regression models were conducted to explain the dimensions of MMSOE from measures of sexual arousal. Results: In males, the rating of sexual arousal explained the Sensory dimension, while the genital response explained the Affective dimension, with sexual arousal as a state gaining more prominence. In females, however, the propensity for sexual excitation explained the Sensory dimension, with more salience of sexual arousal as a trait. Conclusions: The MMSOE is shown to be a valid theoretical framework for the study of orgasmic experience in the context of same-sex relationships, with clear implications for clinical practice.

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Background: As outlined by the dual control model (DCM), individual differences in the regulation of sexual arousal following sexual stimulation depend on two distinct neurophysiological processes: sexual excitation (SE) and sexual inhibition (SI). Although associations with sexual function, behavior, and cue processing have been demonstrated in previous research, underlying neural correlates remain insufficiently explored. Moreover, interactive effects of SE/SI as proposed by the DCM, as well as factors impacting SE/SI properties, such as the use of oral contraceptives (OCs), have not received adequate attention in existing research. Methods: 90 healthy, sexually active women (n = 51 using OCs, n = 39 naturally cycling) completed an Emotional-Picture-Stroop-Paradigm (EPSP) while a 64-channel EEG was recorded. LPP amplitudes toward erotic and neutral stimuli were consecutively computed as a marker of motivational salience and approach motivation. Additionally, women provided self-reports of SE/SI and sexual function. Moderation analyses were performed to assess interactive effects of SE/SI in predicting LPP amplitudes and sexual function. Results: Sexual function was negatively associated with SI levels but unrelated to SE. Higher SI was associated with reduced LPP amplitudes in response to erotic stimuli. This negative association was, however, attenuated for women high in SE, suggesting interactive effects of SE/SI. Furthermore, women using OCs reported lower SE compared to naturally cycling women. Conclusion: The observed findings provide additional psychophysiological evidence supporting the DCM and underscore the relevance of interactive SE/SI effects in stimulus processing and approach motivation. They also highlight the possible impact of OCs on psychosexual variables that warrants further research.

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Gray et al.'s (2003) Sexual Fantasy Questionnaire (SFQ) is becoming an increasingly used self-report measure of sexual fantasy use. The current study analyzed the factorial structure and construct validity of the behavioral items of the SFQ using a nomological network of other sexuality-related measures in a large German-speaking sample (N = 846). Participants' (27.7% females) mean age was 30.8 years (SD = 11.0). Exploratory factor analysis revealed a 65-item scale comprising five-factors, which were termed: normophilic sexual fantasies, sexualized aggression, sexualized submission, submissive courtship, and bodily functions. This German version of the SFQ was found to have high construct validity indicated by its association with other related constructs. Based on these results, we argue that the SFQ is a valid self-report measure that can be used in both research and clinical practice (foremost the factors sexualized aggression and sexualized submission). Suggestions for future research are discussed in light of the results and the study's limitations.

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Background: The Sexual Inhibition/Sexual Excitation Scales-Short Form (SIS/SES-SF) is a brief instrument for assessing the propensity for sexual excitement and inhibition in men and women. The aim of the present study was to provide evidence for the validity and reliability of the Spanish version of the SIS/SES-SF scores by examining invariance, reliability (information function and internal consistency), the relationship between the scores and sexual functioning, and presenting its standard scores. Method: A total of 2,223 Spanish heterosexuals (43.41% men and 56.59% women) aged 18 to 83 years (M = 39.94, SD = 11.95), distributed across age groups (18-34, 35-49, ≥ 50 years old) participated. Results: The three-factor structure of the Spanish version of SIS/SES-SF showed weak measurement invariance by sex and strict measurement invariance by age. The scores explained the dimensions of sexual functioning, especially sexual arousal and erection/lubrication. In addition, men and women without difficulties in sexual functioning demonstrated more propensity for sexual excitation and less sexual inhibition. The standard scores are presented by sex and age group. Conclusions: The study provides evidence of the validity and reliability of the SIS/SES-SF measures, confirming its usefulness for assessing propensity to sexual excitation and inhibition.(AU)

Antecedentes: Las Sexual Inhibition/Sexual Excitation Scales-Short Form (SIS/SES-SF) son un instrumento breve que evalúa, en hombres y mujeres, la propensión hacia la excitación e inhibición sexual. El objetivo fue aportar evidencias de validez y fiabilidad a las puntuaciones de la versión española de SIS/SES-SF, examinando la invarianza, la fiabilidad (función de información y consistencia interna), la relación de sus puntuaciones con el funcionamiento sexual, y presentar sus puntuaciones estandarizadas. Método: Participaron 2.223 españoles heterosexuales (43,41% hombres y 56,59% mujeres) de 18 a 83 años (M = 39,94; DT = 11,95), distribuidos en tres grupos de edad (18-34, 35-49, ≥ 50 años). Resultados: La estructura trifactorial de la versión española de SIS/SES-SF mostró nivel de invarianza débil por sexo y estricto por edad. Sus puntuaciones explicaron las dimensiones del funcionamiento sexual, especialmente excitación sexual y erección/lubricación. Además, hombres y mujeres sin dificultades en el funcionamiento sexual mostraron más propensión a la excitación sexual y menor inhibición sexual. Se presentan baremos de sus puntuaciones por sexo y grupos de edad. Conclusiones: Se aportan adecuadas evidencias de validez y fiabilidad a las medidas de SIS/SES-SF, lo que confirma la utilidad de este instrumento para evaluar la propensión a la excitación e inhibición sexual.(AU)

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BACKGROUND: Previous studies linking compulsive sexual behavior disorder (CSBD) and sexual health have shown mixed results, which could be due to the fact that different CSBD facets may have differential relationships with sexual functioning. AIM: As CSBD is a multidimensional disorder, we wanted to investigate whether distinct CSBD domains are differentially related to sexual health. METHODS: Two online studies were conducted-the first on a convenience sample (812 Polish participants; mean [SD] age, 22.07 [5.91] years) and a replication study on a representative sample of Polish adults (n = 1526; 43.02 [14.37]). Hierarchical regression was employed with sexual functioning as a predicted variable and CSBD symptoms as predictors. OUTCOMES: The Compulsive Sexual Behavior Disorder Scale was used to assess CSBD symptoms, and the Arizona Sexual Experience Scale was used to measure sexual dysfunction. RESULTS: In study 1, CSBD salience (ß = -.20, P < .001) predicted hyperfunction (ie, stronger sex drive, easier sexual arousal, easier vaginal lubrication/penile erection, easier ability to reach an orgasm, and more satisfying orgasms). Yet, CSBD negative consequences (ß = .15, P = .001) and dissatisfaction (ß = .22, P < .001) predicted hypofunction (ie, weaker sex drive, more difficulties in sexual arousal, greater difficulties in vaginal lubrication/penile erection, less ability to reach an orgasm, and less satisfying orgasms). Similar results were found in study 2: salience (ß = -.26, P < .001) and relapse (ß = -.11, P = .004) predicted hyperfunction, while negative consequences (ß = .12, P < .001) and dissatisfaction (ß = .12, P < .001) predicted hypofunction. CLINICAL IMPLICATIONS: Our results stress the importance of assessing the severity of each group of symptoms in patients with CSBD to better understand possible difficulties in their sexual functioning. STRENGTHS AND LIMITATIONS: Our studies are the first to evaluate the effects of each CSBD domain on sexual health. We also replicated results obtained from a convenience sample on a representative sample. The cross-sectional design of the current studies does not allow causal relations to be tested, so future longitudinal research should be carried out. We also gathered data from a general population-thus, it is important to replicate these results on patients diagnosed with CSBD. CONCLUSION: Our research points out the differential impact of CSBD domains on sexual health: salience and relapse are related to sexual hyperfunction, while negative consequences and dissatisfaction to hypofunction.

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BACKGROUND: A younger age at sexual intercourse has frequently been linked to adverse sexual health outcomes. Yet, little is known about its associations with healthy sexual function, and less still about the timing of pre-coital sexual debuts and adult sexual health. AIM: We examined associations between an earlier sexual debut and subsequent sexual health, using broad operationalizations of each that capture pre-coital experiences and positive outcomes. Connections to sexual health risk and healthy sexual function were assessed through the lens of the dual-control model of sexual response. METHODS: Data on age at first sexual intercourse, first sexual contact, first sexual stimulation, and first orgasm, as well as sexual health risk and healthy sexual function were gathered from 3,139 adults. OUTCOMES: Adverse sexual events (reproductive illness, infection, or injury affecting sexual activity; pregnancy termination and/or loss; non-volitional sex) and current sexual difficulties (Female [FSFI] and/or Male Sexual Function Index [MSFI] scores; Sexual Excitation and/or Sexual Inhibition Inventory for Women and Men [SESII-W/M] scores). RESULTS: When defined narrowly as first sexual intercourse, earlier sexual debut was associated with adverse sexual events, including non-volitional sex, pregnancy termination and/or loss, and reproductive illness, infection, or injury affecting sexual activity. However, it was also related to healthier sexual function, including less pain during vaginal penetration, better orgasmic functioning, and lower sexual inhibition. When sexual debut was broadened to include pre-coital experiences, earlier sexual contact, like earlier sexual intercourse, was associated with non-volitional sex. However, earlier sexual stimulation and orgasm were unrelated to adverse outcomes. Rather, these related to fewer sexual desire difficulties, and greater sexual excitation. Exploratory mediation analyses revealed later sexual intercourse and orgasm were connected to sexual difficulties through higher sexual inhibition and lower sexual excitation, respectively. CLINICAL IMPLICATIONS: When sexual functioning is impaired, delay of both coital and noncoital debuts may warrant assessment, and sexual excitation and inhibition may be targets for intervention. To facilitate healthy sexual development of young people, non-coital debuts with and without a partner may warrant inclusion in risk management and health promotion strategies, respectively. STRENGTHS & LIMITATIONS: Although this research operationalized sexual debut and sexual health broadly, and examined associations between them, it is limited by its cross-sectional retrospective design and non-clinical convenience sample. CONCLUSION: From a risk-based perspective, earlier sexual intercourse is adversely related to sexual health. Yet, it is also associated with healthy sexual function. Indeed, earlier sexual initiation may confer more benefits than risks when sexual debuts beyond intercourse are considered. Peragine DE, Skorska MN, Maxwell JA, et al. The Risks and Benefits of Being "Early to Bed": Toward a Broader Understanding of Age at Sexual Debut and Sexual Health in Adulthood. J Sex Med 2022;19:1343-1358.

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BACKGROUND: Maintaining sexual life in older women might be perceived as a measure of healthy and successful aging. This study aimed to establish the prevalence of female sexual dysfunction (FSD) based on the DSM-5 criteria and predictors of sexual performance in older women. METHODS: A total of 185 women between 55 and 79 years old were included in the study. Validated scales were used to assess sexual function (Changes in Sexual Function Questionnaire (CSFQ)), the propensity for sexual excitation/inhibition (Sexual Excitation/Sexual Inhibition Inventory for Women), and sexual anxiety/avoidance (Body Exposure during Sexual Activity Questionnaire (BESAQ)). Multiple regression was used to assess the factors affecting sexual function and the prevalence of FDS. RESULTS: Sexual distress was diagnosed in 14.1% of women, and FSD in 16.2% (n = 53), whereas sexual problems (CSFQ) were diagnosed in 33.3% of women, and distressing sexual concerns in 35.1%. Women with a lower number of male sexual partners (ß = -0.22), a better attitude toward sex (ß = 0.25), higher importance of sex (ß = 0.31), a higher level of sexual excitation (ß = 0.34), and that were sexually active (ß = 0.39) had better sexual function, as evaluated by CSFQ. CONCLUSIONS: Most older women remain sexually active. The diversity of sexual activity in later life should be affirmed to encourage women to be sexually active and to strengthen the response to sexual stimuli.

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Survivors of unwanted sexual contact have an increased likelihood of using substances in sexual situations, which puts them at heightened risk for intoxication-related harms. Separately, research has indicated that women may intentionally use substances in sexual situations to either enhance pleasure (i.e., increase sexual excitation) and/or reduce sexual anxiety or shame (i.e., reduce sexual inhibition), a phenomenon termed sex-linked substance use (SLSU). A predominant assumption in the literature is that women with unwanted sex histories are more likely to disengage during sex, suggesting greater inhibition-related SLSU; however, there is little prior research directly examining if women who have unwanted sex histories primarily engage in SLSU to increase sexual excitation or decrease inhibitions. We conducted exploratory analyses of an online survey in a convenience sample of 516 undergraduate women including data on their history of unwanted sex, SLSU, and sexual excitation/inhibition. Sexual excitation mediated the association between a history of unwanted sexual contact and SLSU, suggesting that women with unwanted sexual histories reported higher levels of sexual excitation, which in turn was associated with a higher likelihood of using substances to increase pleasure during sexual activity. Specifically, arousability, partner characteristics, and power dynamics subfactors were significant mediators. Sexual inhibition did not mediate the relationship between a history of unwanted sexual contact and SLSU, suggesting that women with unwanted sex histories may have been less likely to use substances to reduce sexual inhibitions. If replicated, these findings suggest that sexual excitation may be a useful target of intervention surrounding SLSU, particularly in women with histories of unwanted sexual contact. Specifically, treatments targeting cognitive and affective tendencies associated with sexual excitation may help women who engage in SLSU to have safe, pleasurable sexual activity, without increasing the risk of intoxication-related harms.

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The ability to control sexual urges and impulses is essential to achieve individual and social harmony. Failing to regulate sexual behavior can lead to the interference with daily life goals, sexual diseases transmission and moral violations, among others. The dual control model of sexual response proposes that an imbalance between sexual excitation and sexual inhibition mechanisms may lead to sexual dysregulation, thereby explaining problematic sexual behavior. Interindividual differences in self-control and testosterone levels are likely to modulate sexual regulation mechanisms, but these individual features have scarcely been studied in the context of compulsive sexual behavior. This study investigated the role of sexual excitation and inhibition, self-control and testosterone levels in predicting individuals' proneness to display compulsive sexual behavior. Seventy healthy young males provided a saliva sample for testosterone measurements and filled in questionnaires on self-control, sexual excitation, sexual inhibition, sexual compulsivity and sexual behavior. High testosterone levels and low self-control were associated with higher sexual compulsivity scores. Additionally, testosterone levels and sexual inhibition negatively predicted the frequency of sexual behavior with a partner. The results of our study highlight the joint role of psychological traits and testosterone levels in compulsive sexual behavior proneness, providing implications regarding the prevention and treatment of this condition in young males.

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The Sexual Inhibition Scales and Sexual Excitation Scales (Janssen et al., 2002a), based on the dual control model by Bancroft and Janssen (2000), are part of a 45-item self-report questionnaire evaluating individual tendencies to sexual inhibition or excitation according to three factors: two inhibition factors, SIS1, threat of performance failure, and SIS2, threat of performance consequences, and one excitation factor, SES. In this paper, we aimed to validate and explore psychometric properties of the SIS/SES in a sample of 2260 Italian men and women aged 18 to 75 years. Confirmatory factor analyses showed that the three-factor structure proposed in the original version of the scales fit with our sample. Moreover, our data confirmed the results of the original validation sample: Women scored higher on the SIS and lower on the SES than men did, but no significant differences appeared in the factor scores by age group, except for a gender × age interaction, where younger women had higher SIS2 scores. The SIS/SES appeared to be an effective, appropriate cross-cultural measurement of human sexuality in Italian samples, also shedding light on sexual arousal differences in women and men in our country. We also discuss clinical and therapeutic aspects.

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The present study aimed to develop a Polish version of the Sexual Inhibition/Sexual Excitation Scale (SIS/SES-PL) and explore its psychometric validity in a sample of 498 men aged between 18 and 55 years. We used exploratory and confirmatory factor analyses to obtain the best model fit. Out of the 45 items in the original scale, 32 items with eight subscales and three higher-order factors: (sexual excitation [SES], sexual inhibition due to performance failure [SIS1], and sexual inhibition due to performance consequences [SIS2]) were included in the SIS/SES-PL. The SIS/SES-PL was found to have a good and satisfactory fit (comparative fit index = .87; Tucker-Lewis Index = .85; root mean square error of approximation = .054; χ2 = 1108.7; p < .001; test-retest reliability Cronbach's alpha = .93). A small correlation between age and the SIS1 and SIS2 scores was detected. However, forward multiple regression analysis revealed a significant correlation only between age and SIS1 [ß = .23, p < .001, R2 for model = .05; F(1, 494) = 27.52, p < .001]. Furthermore, a moderate correlation between SIS1 and SES2, as well as SIS1 and general inhibition properties (measured using the Behavioral Inhibition Scale), was noted. In the case of SIS2, only small effects were observed, with the highest values for engaging in risky sexual behavior. Out of the total number of 42 variables, a moderate correlation between SES and the following was described: importance of sex, hypersexual behaviors, frequency of masturbation, frequency of sexual activities per month, sexual risk-taking, high promiscuity (measured using the Sociosexual Orientation Inventory Revised-Drive), general activation properties (measured using the Behavioral Activation Scale), neuroticism, and erotophilic tendencies (measured using the Sexual Opinion Survey-Short Form). The results of the study allowed us to conclude that the SIS/SES-PL might be a useful tool for tailoring therapy for men with sexual problems, as well as in the field of clinical research on sexual inhibition and excitation. Furthermore, it is a reliable and useful tool for measuring propensities for sexual excitement and inhibition.

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The Dual Control Model of sexual response has been mostly tested with men. As such, there is a lack of evidence on how such model applies to women's experience of sexual arousal, particularly when they face a threatening situation such as the threat of sexual performance failure. The aim of the current study was to test whether the Dual Control Model dimensions predict women's sexual responses to a bogus negative feedback about their sexual performance. In addition, 22 women were exposed to a sexually explicit film clip, while their genital arousal was being measured. During this presentation, a bogus negative feedback, aimed at increasing women's anxiety about their sexual performance, was provided. Vaginal photopletismography and self-report questions were used as means to evaluate women's genital and subjective sexual arousal, respectively. The Sexual Excitation/Sexual Inhibition Inventory for Women was further used to capture women's sexual dynamics. Regression analysis on the high-order factors revealed that sexual excitation proneness was the only predictor of the subjective sexual responses, while none of the factors has predicted genital arousal. "Arousability" and "Concerns about sexual function" dimensions predicted subjective sexual arousal. Sexual arousability may prevent women of lowering their subjective sexual responses in a sexually demanding situation, while "Concerns about sexual function" may have the opposite role, thus being a target of clinical interest. This work provides new data on the Dual Control Model of sexual response, and particularly on its role in women's sexual functioning.

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BACKGROUND: Orgasmic difficulties are one of the most common sexual complaints among women. Although models of sexual dysfunction propose that cognitive-affective factors are involved in the development and maintenance of sexual difficulties, there is a need to further examine how these factors are associated with orgasmic difficulties specifically. AIM: To analyze differences between women who reported orgasm difficulties and controls in regard to sexual inhibition, sexual excitation, sexual beliefs, as well as negative automatic thoughts and affect during sexual activity. METHODS: A total of 500 women, aged 18 to 72 years, completed a Web survey focused on cognitive-affective factors and sexual health. Two hundred fifty women reported orgasm difficulties and were compared with 250 age-matched women who reported no sexual difficulties. OUTCOMES: Differences between groups regarding sexual inhibition and sexual excitation (Sexual Inhibition/Sexual Excitation Scales-Short Form), sexual beliefs (Sexual Dysfunctional Beliefs Questionnaire), negative automatic thoughts (Automatic Thoughts Subscale of the Sexual Modes Questionnaire), and affect (Positive and Negative Affect Schedule) during sexual activity. RESULTS: Women with orgasm difficulties scored higher on sexual inhibition than controls. They also reported more negative automatic thoughts during sexual activity (concerning failure and disengagement, sexual abuse, lack of affection from partner, passivity, body image) and less erotic thoughts. Women with orgasm difficulties reported experiencing higher negative affect and lower positive affect during sexual activity than women who reported no sexual difficulties. No significant differences were found regarding sexual excitation and endorsement of sexual beliefs. CLINICAL IMPLICATIONS: Helping women shift their focus from non-erotic, negative thoughts to erotic stimuli, as well as addressing sexual inhibition, can be relevant targets of interventions aimed at women's orgasm difficulties. STRENGTHS & LIMITATIONS: Strengths of the study include the use of a large sample of women who reported orgasm difficulties, offering new insights into the clinical importance of these psychological processes. Limitations include the reliance on self-report measures and a relatively homogeneous sample regarding sexual orientation, education, and age. CONCLUSION: Results highlight the role of cognitive-affective factors on women's orgasm difficulties and emphasize the potential benefit of cognitive-behavioral and/or mindfulness interventions for orgasm difficulties. Moura CV, Tavares IM, Nobre PJ. Cognitive-Affective Factors and Female Orgasm: A Comparative Study on Women With and Without Orgasm Difficulties. J Sex Med 2020;17:2220-2228.

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Chinese women in Western nations frequently report less engagement with sexuality, such as lower sexual response and behaviors, and more restrictive sexual attitudes, than their Euro-Caucasian peers. This difference is likely related to sexual conservatism within traditional Chinese culture, though the mechanisms underlying how culture influences sexual responding are not well understood. The current study investigated if these differences were consistent with the dual control model, a well-established model for understanding regulation of sexual response. Chinese and Euro-Caucasian women (N = 471; age M = 20.7 years, SD = 3.3) residing in Canada from a university sample completed self-report questionnaires on sexual excitation and inhibition, sexual attitudes, and various sexual response and behavior measures. Sexual excitation was significantly lower in Chinese than Euro-Caucasian women and was significantly associated with sexual response in both groups. Structural equation modeling showed that sexual response variables were associated with a latent sexual excitation factor and that sexual attitudes partially mediated the relationship between this latent factor and ethnicity. The findings showed that sexual excitation and sexual attitudes contribute to cross-cultural differences in women's sexual responding. Theoretical and clinical considerations are discussed.

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The dual control model of human sexual behavior proposes that sexual responses involve an interaction between sexual excitatory and sexual inhibitory systems. The Sexual Inhibition/Sexual Excitation Scales (SIS/SES; Janssen, Vorst, Finn, & Bancroft, 2002) as well as its short form (SIS/SES-SF; Carpenter, Janssen, Graham, Vorst, & Wicherts, 2011) assess individual propensities to become sexually excited and sexually inhibited. The present study utilized a dataset of 2221 German-speaking adults (n = 1214 women and n = 987 men) to examine the psychometric properties of the German version of the SIS/SES-SF. The results of the confirmatory factor analysis indicated that the three factors suggested in the original version can be generally replicated within the current study. Analyses of measurement invariance for gender revealed that the general three-factor structure as well as factor loadings can be regarded as equal for men and women. However, scalar invariance could not be fully obtained, indicating that the intercepts of some items were different for men and women. Taken together, the results of the presents study provide further evidence for the psychometric properties of the German version of the SIS/SES-SF.

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Adults with an Autism Spectrum Disorder (ASD) are characterized by impairments in social interaction and communication, repetitive and stereotyped interests and behaviours as well as hyper- and/or hyposensitivities. These disorder specific symptoms could be associated with the development of sexual disorders. The Dual Control Model of Sexual Response presents one approach that is frequently used to explain the emergence of sexual dysfunctions. The aim of the present study was to assess the extent of symptoms of sexual dysfunctions in men and women with ASD and to evaluate their association with the individual propensity of sexual excitation and inhibition as defined by the Dual Control Model. Both men and women with ASD were more likely to report about sexual dysfunctions than individuals from the control group. In men with ASD, sexual inhibition was significantly correlated with the emergence of sexual dysfunctions, while there was no association between sexual functioning and sexual excitation. In women, the opposite pattern was found. Especially the peculiarities in sensitive perception could be responsible for the observed problems with sexual functioning in individuals with ASD. The present findings highlight the great need for specialized treatment programs addressing the frequently observed sexuality-related problems in individuals with ASD. However, up to now such treatment programs are lacking.

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The dual control model of sexual response proposes two factors, sexual excitation (SE) and sexual inhibition (SI), that aim to predict sexual behavior and response. While SE and SI are described as stable traits that influence sexuality-related outcomes such as sexual function or sexual risk taking, only a few studies have presented data on the stability of these factors. The aim of this study was to evaluate the temporal stability of SE and SI, and to investigate whether changes in sexual function or partnership status influence SE and SI in a longitudinal sample of women. To address these research questions, the Sexual Excitation/Sexual Inhibition Inventory for Women (SESII-W) was administered five times over the course of 4 years. The SESII-W includes two main scales of SE and SI which consist of five (Arousability, Partner characteristics, Sexual power dynamics, Smell, and Setting) and three subscales (Concerns about sexual function, Arousal contingency, Relationship importance), respectively. Data from 553 women (Mage = 31.38 years, SD = 10.25, range = 18-67) who participated in at least two assessment points were included in this study. Bivariate correlations between baseline and the fifth follow-up assessment indicated a high temporal stability of SE and SI in women (.47 < r < .71). A series of generalized linear models were conducted to investigate the impact of time, changes in sexual function, partnership status, and changes in partnership status on SE and SI. Partner characteristics (SE) that showed small increases over time. Across different subscales, improvements in sexual function were associated with higher SE and lower SI. Changes in partnership status and partnership status itself were predictors of one SE- and three SI-related scales. This study suggests a relatively high temporal stability of SE and SI in women and supports the dual control model's assertion that both factors are stable individual traits. Certain life events such as a new partnership or sexual difficulties may, however, impact time stability of both factors.

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Many models of human behavior work in an interaction of a dual system. While one system usually represents controlled and reflective behavioral responses, the other system reflects automatic and impulsive actions. In the impulsive system, positive stimuli initiate approach reactions and negative cues avoidance reactions. Besides stimulus valence, the behavioral response triggered by the impulsive system is influenced by personality (e.g., the propensity to react with approach or avoidance biases in a specific situation). The present study applied a computerized Approach-Avoidance Task (AAT; Rinck & Becker, 2007) to assess automatic behavioral approach and avoidance biases toward sexual and neutral stimuli in heterosexual men (N = 40). Individual AAT-performance was furthermore related to sexual excitation (SES) and the two sexual inhibition factors (SIS1 and SIS2) as proposed by the Dual Control Model of sexual response (Bancroft & Janssen, 2000). Against our hypotheses, participants did not show a stronger approach bias toward sexually preferred (i.e., images of women) than sexually not preferred stimuli (i.e., images of men or children). However, stronger approach biases toward images of women were positively associated with sexual excitation and negatively correlated with sexual inhibition due to a threat of performance failure (SIS1) even after controlling for potential confounds (i.e., general behavioral activation and inhibition). The results support the importance of the influence of dispositional traits measured with the Dual Control Model of sexual response on approach and avoidance biases toward sexually preferred stimuli in heterosexual men.

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