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Snowden RJ, Gray NS, Uzzell KS. Implicit Sexual Cognitions in Women with Ambiphilic Sexual Attractions: A Comparison to Androphilic and Gynephilic Women. ARCHIVES OF SEXUAL BEHAVIOR 2024; 53:141-152. [PMID: 37932461 PMCID: PMC10794405 DOI: 10.1007/s10508-023-02727-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 10/13/2023] [Accepted: 10/16/2023] [Indexed: 11/08/2023]
Abstract
Previous research using indirect cognitive measures (sometimes referred to as implicit measures) of sexual attraction have shown that women who are attracted to men (androphilic women) show category non-specific responses, whereas those who are attracted to women (gynephilic) show a category-specific bias to women. The purpose of the present study was to examine whether women who explicitly report approximately equal attraction to men and women (ambiphilic) would show similar non-category specific attraction at this implicit level or whether their responses would be more similar to those of gynephilic women. An implicit association task and a priming task were given to 169 women alongside measures of their self-labelled sexual orientation and an explicit measure of their sexual attraction to men and women. The results replicated previous findings of little bias towards either gender in androphilic women and of a strong bias towards females in gynephilic women. The ambiphilic women also showed a strong bias towards females. The findings clearly show that early automatic associations to sex are biased towards females in ambiphilic women and are not consistent with their explicit statements of preference.
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Affiliation(s)
- Robert J Snowden
- School of Psychology, Cardiff University, Cardiff, CF10 3AT, Wales, UK.
| | - Nicola S Gray
- Department of Psychology, Swansea University, Swansea, Wales, UK
- Swansea Bay University Health Board, Bridgend, UK
| | - Katie S Uzzell
- Department of Psychology, Swansea University, Swansea, Wales, UK
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Attard-Johnson J, Vasilev MR, Ó Ciardha C, Bindemann M, Babchishin KM. Measurement of Sexual Interests with Pupillary Responses: A Meta-Analysis. ARCHIVES OF SEXUAL BEHAVIOR 2021; 50:3385-3411. [PMID: 34557971 PMCID: PMC8604861 DOI: 10.1007/s10508-021-02137-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 08/24/2021] [Accepted: 08/25/2021] [Indexed: 05/10/2023]
Abstract
Objective measures of sexual interest are important for research on human sexuality. There has been a resurgence in research examining pupil dilation as a potential index of sexual orientation. We carried out a meta-analytic review of studies published between 1965 and 2020 (Mdn year = 2016) measuring pupil responses to visual stimuli of adult men and women to assess sexual interest. Separate meta-analyses were performed for six sexual orientation categories. In the final analysis, 15 studies were included for heterosexual men (N = 550), 5 studies for gay men (N = 65), 4 studies for bisexual men (N = 124), 13 studies for heterosexual women (N = 403), and 3 studies for lesbian women (N = 132). Only heterosexual and gay men demonstrated discrimination in pupillary responses that was clearly in line with their sexual orientation, with greater pupil dilation to female and male stimuli, respectively. Bisexual men showed greater pupil dilation to male stimuli. Although heterosexual women exhibited larger pupils to male stimuli compared to female stimuli, the magnitude of the effect was small and non-significant. Finally, lesbian women displayed greater pupil dilation to male stimuli. Three methodological moderators were identified-the sexual explicitness of stimulus materials, the measurement technique of pupillary response, and inclusion of self-report measures of sexual interest. These meta-analyses are based on a limited number of studies and are therefore preliminary. However, the results suggest that pupillary measurement of sexual interest is promising for men and that standardization is essential to gain a better understanding of the validity of this measurement technique for sexual interest.
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Affiliation(s)
- Janice Attard-Johnson
- Department of Psychology, Faculty of Science and Technology, Bournemouth University, Dorset, BH12 5BB, UK.
| | - Martin R Vasilev
- Department of Psychology, Faculty of Science and Technology, Bournemouth University, Dorset, BH12 5BB, UK
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de Winter JCF, Petermeijer SM, Kooijman L, Dodou D. Replicating five pupillometry studies of Eckhard Hess. Int J Psychophysiol 2021; 165:145-205. [PMID: 33766646 DOI: 10.1016/j.ijpsycho.2021.03.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 03/01/2021] [Accepted: 03/09/2021] [Indexed: 02/02/2023]
Abstract
Several papers by Eckhard Hess from the 1960s and 1970s report that the pupils dilate or constrict according to the interest value, arousing content, or mental demands of visual stimuli. However, Hess mostly used small sample sizes and undocumented luminance control. In a first experiment (N = 182) and a second preregistered experiment (N = 147), we replicated five studies of Hess using modern equipment. Our experiments (1) did not support the hypothesis of gender differences in pupil diameter change with respect to baseline (PC) when viewing stimuli of different interest value, (2) showed that solving more difficult multiplications yields a larger PC in the seconds before providing an answer and a larger maximum PC, but a smaller PC at a fixed time after the onset of the multiplication, (3) did not support the hypothesis that participants' PC mimics the pupil diameter in a pair of schematic eyes but not in single-eyed or three-eyed stimuli, (4) did not support the hypothesis of gender differences in PC when watching a video of a male trying to escape a mob, and (5) supported the hypothesis that arousing words yield a higher PC than non-arousing words. Although we did not observe consistent gender differences in PC, additional analyses showed gender differences in eye movements towards erogenous zones. Furthermore, PC strongly correlated with the luminance of the locations where participants looked. Overall, our replications confirm Hess's findings that pupils dilate in response to mental demands and stimuli of an arousing nature. Hess's hypotheses regarding pupil mimicry and gender differences in pupil dilation did not replicate.
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Affiliation(s)
- J C F de Winter
- Faculty of Mechanical, Maritime and Materials Engineering, Delft University of Technology, the Netherlands.
| | - S M Petermeijer
- Faculty of Mechanical, Maritime and Materials Engineering, Delft University of Technology, the Netherlands
| | - L Kooijman
- Faculty of Mechanical, Maritime and Materials Engineering, Delft University of Technology, the Netherlands
| | - D Dodou
- Faculty of Mechanical, Maritime and Materials Engineering, Delft University of Technology, the Netherlands
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Is accommodation a confounder in pupillometry research? Biol Psychol 2021; 160:108046. [PMID: 33581231 DOI: 10.1016/j.biopsycho.2021.108046] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 02/07/2021] [Accepted: 02/07/2021] [Indexed: 11/24/2022]
Abstract
Much psychological research uses pupil diameter measurements to investigate the cognitive and emotional effects of visual stimuli. A potential problem is that accommodating at a nearby point causes the pupil to constrict. This study examined to what extent accommodation is a confounder in pupillometry research. Participants solved multiplication problems at different distances (Experiment 1) and looked at line drawings with different monocular depth cues (Experiment 2) while their pupil diameter, refraction, and vergence angle were recorded using a photorefractor. Experiment 1 showed that the pupils dilated while performing the multiplications, for all presentation distances. Pupillary constriction due to accommodation was not strong enough to override pupil dilation due to cognitive load. Experiment 2 showed that monocular depth cues caused a small shift in refraction in the expected direction. We conclude that, for the young student sample we used, pupil diameter measurements are not substantially affected by accommodation.
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Snowden RJ, Fitton E, McKinnon A, Gray NS. Sexual Attraction to Both Genders in Ambiphilic Men: Evidence from Implicit Cognitions. ARCHIVES OF SEXUAL BEHAVIOR 2020; 49:503-515. [PMID: 31691075 PMCID: PMC7031175 DOI: 10.1007/s10508-019-01552-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 08/29/2019] [Accepted: 09/10/2019] [Indexed: 05/18/2023]
Abstract
Ambiphilic (or bisexual) men describe feelings of sexual attraction to both men and women. However, physiological measures of arousal have failed to show a consistent pattern of arousal to both genders. We measured men's automatic associations between the concept of sex (represented by words) and the concepts of men versus women (represented by images) via the Implicit Association Test (IAT) and a priming task. On the IAT, gynephilic men (N = 32) were faster for women-sex pairings, androphilic men (N = 18) were faster for men-sex pairings, while ambiphilic men (N = 20) showed no bias toward either gender. We then isolated the concepts of "men" and "women" by comparing them separately against neutral images. In contrast to both the gynephilic or androphilic men, ambiphilic men showed sexual associations to both men and women. On the priming task, ambiphilic men showed faster responses to sex words, but slower responses to not-sex words, when primed with pictures of either men or women compared to when primed by neutral images. The results from all the experimental tasks suggest that ambiphilic men have a pattern of sexual association that is different from both gynephilic and androphilic men and represents a sexual attraction to both men and women.
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Affiliation(s)
- Robert J Snowden
- School of Psychology, Cardiff University, Cardiff, CF10 3AT, UK.
| | - Ellen Fitton
- School of Psychology, Cardiff University, Cardiff, CF10 3AT, UK
| | - Aimee McKinnon
- School of Psychology, Cardiff University, Cardiff, CF10 3AT, UK
| | - Nicola S Gray
- Department of Psychology, Swansea University, Swansea, UK
- Abertawe Bro-Morgannwg University Health Board, Bridgend, UK
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Abstract
PURPOSE OF REVIEW We examine the state of scientific research on the assessment of paraphilic interests among women who have committed sexual offences. RECENT FINDINGS Research on the assessment of sexual interests in women using genital measures shows little evidence, overall, that women's genital responses are indicative of sexual interests. Some non-genital measures of sexual interest may be a valid indicator of age interests. Very few studies have focused on women who sexually offend. At this time, there is no validated measure that can be used to assess paraphilic interests among women who sexually offend. Much research is needed to determine if some measures (other than self-report) could validly assess a variety of sexual interests in women in general, and women who sexually offend in particular (e.g. interest in children, interest in sexual violence). This research is needed to determine if paraphilic interests are involved in women's motivation for sexual offending, and to determine if such interests are predictive of sexual recidivism.
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Affiliation(s)
| | - Heather M Moulden
- Department of Psychiatry and Behavioural Neuroscience, McMaster University, Hamilton, Canada. .,St. Joseph's Healthcare Hamilton, 100 West 5th Street, Hamilton, Ontario, L8N 3K7, Canada.
| | - Martin L Lalumière
- School of Psychology, University of Ottawa, Ottawa, Canada.,The Royal's Institute of Mental Health Research, Ottawa, Canada
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Abstract
Changes in eye-pupil size index a range of cognitive processes. However, variations in the protocols used to analyze such data exist in the psychological literature. This raises the question of whether different approaches to pupillary response data influence the outcome of the analysis. To address this question, four methods of analysis were compared, using pupillary responses to sexually appetitive visual content as example data. These methods comprised analysis of the unadjusted (raw) pupillary response data, z-scored data, percentage-change data, and data transformed by a prestimulus baseline correction. Across two experiments, these methods yielded near-identical outcomes, leading to similar conclusions. This suggests that the range of approaches that are employed in the psychological literature to analyze pupillary response data do not fundamentally influence the outcome of the analysis. However, some systematic carryover effects were observed when a prestimulus baseline correction was applied, whereby dilation effects from an arousing target on one trial still influenced pupil size on the next trial. This indicates that the appropriate application of this analysis might require additional information, such as prior knowledge of the duration of carryover effects.
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