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Han C, Li X, Wang S, Hong R, Ji J, Chen J, Zhu H, Morrison ER, Lei X. The picky men: Men's preference for women's body differed among attractiveness, health, and fertility conditions. PERSONALITY AND INDIVIDUAL DIFFERENCES 2023. [DOI: 10.1016/j.paid.2022.111921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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2
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Do humans agree on which body odors are attractive, similar to the agreement observed when rating faces and voices? EVOL HUM BEHAV 2023. [DOI: 10.1016/j.evolhumbehav.2023.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
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3
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Cross-modal associations of human body odour attractiveness with facial and vocal attractiveness provide little support for the backup signals hypothesis: A systematic review and meta-analysis. EVOL HUM BEHAV 2022. [DOI: 10.1016/j.evolhumbehav.2022.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
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4
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Krumpholz C, Quigley C, Ameen K, Reuter C, Fusani L, Leder H. The Effects of Pitch Manipulation on Male Ratings of Female Speakers and Their Voices. Front Psychol 2022; 13:911854. [PMID: 35874336 PMCID: PMC9302589 DOI: 10.3389/fpsyg.2022.911854] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 06/13/2022] [Indexed: 11/17/2022] Open
Abstract
Vocal and facial cues typically co-occur in natural settings, and multisensory processing of voice and face relies on their synchronous presentation. Psychological research has examined various facial and vocal cues to attractiveness as well as to judgements of sexual dimorphism, health, and age. However, few studies have investigated the interaction of vocal and facial cues in attractiveness judgments under naturalistic conditions using dynamic, ecologically valid stimuli. Here, we used short videos or audio tracks of females speaking full sentences and used a manipulation of voice pitch to investigate cross-modal interactions of voice pitch on facial attractiveness and related ratings. Male participants had to rate attractiveness, femininity, age, and health of synchronized audio-video recordings or voices only, with either original or modified voice pitch. We expected audio stimuli with increased voice pitch to be rated as more attractive, more feminine, healthier, and younger. If auditory judgements cross-modally influence judgements of facial attributes, we additionally expected the voice pitch manipulation to affect ratings of audiovisual stimulus material. We tested 106 male participants in a within-subject design in two sessions. Analyses revealed that voice recordings with increased voice pitch were perceived to be more feminine and younger, but not more attractive or healthier. When coupled with video recordings, increased pitch lowered perceived age of faces, but did not significantly influence perceived attractiveness, femininity, or health. Our results suggest that our manipulation of voice pitch has a measurable impact on judgements of femininity and age, but does not measurably influence vocal and facial attractiveness in naturalistic conditions.
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Affiliation(s)
- Christina Krumpholz
- Department of Cognition, Emotion, and Methods in Psychology, Faculty of Psychology, University of Vienna, Vienna, Austria
- Konrad Lorenz Institute of Ethology, University of Veterinary Medicine, Vienna, Austria
- *Correspondence: Christina Krumpholz,
| | - Cliodhna Quigley
- Department of Behavioural and Cognitive Biology, University of Vienna, Vienna, Austria
- Vienna Cognitive Science Hub, University of Vienna, Vienna, Austria
| | - Karsan Ameen
- Department of Cognition, Emotion, and Methods in Psychology, Faculty of Psychology, University of Vienna, Vienna, Austria
| | - Christoph Reuter
- Vienna Cognitive Science Hub, University of Vienna, Vienna, Austria
- Department of Musicology, University of Vienna, Vienna, Austria
| | - Leonida Fusani
- Konrad Lorenz Institute of Ethology, University of Veterinary Medicine, Vienna, Austria
- Department of Behavioural and Cognitive Biology, University of Vienna, Vienna, Austria
- Vienna Cognitive Science Hub, University of Vienna, Vienna, Austria
| | - Helmut Leder
- Department of Cognition, Emotion, and Methods in Psychology, Faculty of Psychology, University of Vienna, Vienna, Austria
- Vienna Cognitive Science Hub, University of Vienna, Vienna, Austria
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5
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Hughes SM, Puts DA. Vocal modulation in human mating and competition. Philos Trans R Soc Lond B Biol Sci 2021; 376:20200388. [PMID: 34719246 DOI: 10.1098/rstb.2020.0388] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The human voice is dynamic, and people modulate their voices across different social interactions. This article presents a review of the literature examining natural vocal modulation in social contexts relevant to human mating and intrasexual competition. Altering acoustic parameters during speech, particularly pitch, in response to mating and competitive contexts can influence social perception and indicate certain qualities of the speaker. For instance, a lowered voice pitch is often used to exert dominance, display status and compete with rivals. Changes in voice can also serve as a salient medium for signalling a person's attraction to another, and there is evidence to support the notion that attraction and/or romantic interest can be distinguished through vocal tones alone. Individuals can purposely change their vocal behaviour in attempt to sound more attractive and to facilitate courtship success. Several findings also point to the effectiveness of vocal change as a mechanism for communicating relationship status. As future studies continue to explore vocal modulation in the arena of human mating, we will gain a better understanding of how and why vocal modulation varies across social contexts and its impact on receiver psychology. This article is part of the theme issue 'Voice modulation: from origin and mechanism to social impact (Part I)'.
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Affiliation(s)
- Susan M Hughes
- Psychology Department, Albright College, Reading, PA 19612, USA
| | - David A Puts
- Department of Anthropology, Pennsylvania State University, University Park, PA 16802, USA
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Roth TS, Samara I, Kret ME. Multimodal mate choice: Exploring the effects of sight, sound, and scent on partner choice in a speed-date paradigm. EVOL HUM BEHAV 2021. [DOI: 10.1016/j.evolhumbehav.2021.04.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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7
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Zhan J, Liu M, Garrod OGB, Daube C, Ince RAA, Jack RE, Schyns PG. Modeling individual preferences reveals that face beauty is not universally perceived across cultures. Curr Biol 2021; 31:2243-2252.e6. [PMID: 33798430 PMCID: PMC8162177 DOI: 10.1016/j.cub.2021.03.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 01/15/2021] [Accepted: 03/03/2021] [Indexed: 12/15/2022]
Abstract
Facial attractiveness confers considerable advantages in social interactions,1,2 with preferences likely reflecting psychobiological mechanisms shaped by natural selection. Theories of universal beauty propose that attractive faces comprise features that are closer to the population average3 while optimizing sexual dimorphism.4 However, emerging evidence questions this model as an accurate representation of facial attractiveness,5, 6, 7 including representing the diversity of beauty preferences within and across cultures.8, 9, 10, 11, 12 Here, we demonstrate that Western Europeans (WEs) and East Asians (EAs) evaluate facial beauty using culture-specific features, contradicting theories of universality. With a data-driven method, we modeled, at both the individual and group levels, the attractive face features of young females (25 years old) in two matched groups each of 40 young male WE and EA participants. Specifically, we generated a broad range of same- and other-ethnicity female faces with naturally varying shapes and complexions. Participants rated each on attractiveness. We then reverse correlated the face features that drive perception of attractiveness in each participant. From these individual face models, we reconstructed a facial attractiveness representation space that explains preference variations. We show that facial attractiveness is distinct both from averageness and from sexual dimorphism in both cultures. Finally, we disentangled attractive face features into those shared across cultures, culture specific, and specific to individual participants, thereby revealing their diversity. Our results have direct theoretical and methodological impact for representing diversity in social perception and for the design of culturally and ethnically sensitive socially interactive digital agents. We modeled individual preferences for attractive faces in two cultures Attractive face features differ from the face average and sexual dimorphism Instead, culture and individual preferences shape attractive face features Attractive face features from a culture are used to judge other-ethnicity faces
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Affiliation(s)
- Jiayu Zhan
- Institute of Neuroscience and Psychology, University of Glasgow, Glasgow, Scotland G12 8QB, UK.
| | - Meng Liu
- School of Psychology, University of Glasgow, Glasgow, Scotland G12 8QB, UK
| | - Oliver G B Garrod
- Institute of Neuroscience and Psychology, University of Glasgow, Glasgow, Scotland G12 8QB, UK
| | - Christoph Daube
- Institute of Neuroscience and Psychology, University of Glasgow, Glasgow, Scotland G12 8QB, UK
| | - Robin A A Ince
- Institute of Neuroscience and Psychology, University of Glasgow, Glasgow, Scotland G12 8QB, UK
| | - Rachael E Jack
- Institute of Neuroscience and Psychology, University of Glasgow, Glasgow, Scotland G12 8QB, UK; School of Psychology, University of Glasgow, Glasgow, Scotland G12 8QB, UK
| | - Philippe G Schyns
- Institute of Neuroscience and Psychology, University of Glasgow, Glasgow, Scotland G12 8QB, UK; School of Psychology, University of Glasgow, Glasgow, Scotland G12 8QB, UK.
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8
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Lã FMB, Polo N, Granqvist S, Cova T, Pais AC. Female Voice-Related Sexual Attractiveness to Males: Does it Vary With Different Degrees of Conception Likelihood? J Voice 2021; 37:467.e19-467.e31. [PMID: 33678535 DOI: 10.1016/j.jvoice.2021.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 02/05/2021] [Accepted: 02/05/2021] [Indexed: 11/28/2022]
Abstract
Previous investigations have found that female voice-related attractiveness to males increases when both conception likelihood (CL) and voice fundamental frequency (fo) are elevated. To test this hypothesis, we conducted a perceptual experiment where 78 heterosexual males rated sexual attractiveness of 9 female voice samples, recorded at menstrual, follicular and luteal phases of the menstrual cycle under two double-blinded randomly allocated conditions: a natural menstrual cycle (placebo condition) and when using an oral contraceptive pill (OCP condition). The voice samples yielded a total of 54 stimuli that were visually sorted and rated using Visor software. Concentrations of estrogens, progesterone and testosterone were analyzed, and measurements of speaking fundamental frequency (sfo) and its standard deviation (sfoSD), fo derivative (dfo) and fo slope were made. A multilevel ordinal logistic regression model nested in listeners and in females, and adjusted by phase and condition, was carried out to assess the association between ratings and: (1) phases and conditions; (2) sex steroid hormonal concentrations; and (3) voice parameters. A high probability of obtaining high ratings of voice sexual attractiveness was found for: (1) menstrual phase of placebo use and follicular phase of OCP use; (2) for low estradiol to progesterone ratio and testosterone concentrations; and (3) for low dfo. The latter showed a moderate statistical association with ratings of high attractiveness, as compared with the small association found for the remaining variables. It seems that the voice is a weak cue for female CL. Female sexual attraction to males may be a consequence of what females do in order to regulate their extended sexuality across the menstrual cycle rather than of estrus cues, the use of paralinguistic speech patterns being an example.
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Affiliation(s)
- Filipa M B Lã
- Faculty of Education, National University of Distance Learning, Madrid, Spain; Centre of Social Studies, University of Coimbra, Coimbra, Portugal.
| | - Nuria Polo
- Faculty of Philology, National University of Distance Learning, Madrid, Spain
| | - Svante Granqvist
- KTH Royal Institute of Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Department of Biomedical engineering and Health systems, Karolinska University Hospital, KTH Royal Institute of Technology, Huddinge, Stockholm, Sweden; Karolinska Institute, Department of Clinical Science, Intervention and Technology (CLINTEC), Division of Speech and Language Pathology, Huddinge, Stockholm, Sweden
| | - Tânia Cova
- Coimbra Chemistry Center, University of Coimbra, Coimbra, Portugal
| | - Alberto C Pais
- Coimbra Chemistry Center, University of Coimbra, Coimbra, Portugal
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Zhang J, Zheng L. Masculine Voices Predict Attachment Style and Relationship Communication Patterns in Romantic Relationships. JOURNAL OF SEX & MARITAL THERAPY 2021; 47:262-269. [PMID: 33403924 DOI: 10.1080/0092623x.2020.1869125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Humans exhibit sexually-based vocal dimorphisms, providing information about peoples' intrinsic states. Studies indicate that voice pitch predicts relationship quality; however, none have explored its effects on relationship maintenance. We explored the association between sexually dimorphic vocal properties [voice pitch, measured by fundamental frequency (F0) and F0 variation, the within-subject SD in F0 across the utterance (F0-SD)], attachment styles, and communication patterns among Chinese heterosexuals in romantic relationships. Men's F0-SD positively correlates with constructive communication pattern and negatively correlates with avoidant attachment style. No significant correlations are found for women. These findings suggest that men with masculine voices are more avoidantly attached, using avoidant communications. Furthermore, they show that voice may play a crucial role in and be an important morphological index of human mating relationships.
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Affiliation(s)
- Jing Zhang
- School of Psychology, Sichuan Normal University, Chengdu, China
| | - Lijun Zheng
- Key Laboratory of Cognition and Personality (Ministry of Education), Southwest University, Chongqing, China
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10
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Zäske R, Skuk VG, Schweinberger SR. Attractiveness and distinctiveness between speakers' voices in naturalistic speech and their faces are uncorrelated. ROYAL SOCIETY OPEN SCIENCE 2020; 7:201244. [PMID: 33489273 PMCID: PMC7813223 DOI: 10.1098/rsos.201244] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 11/20/2020] [Indexed: 05/28/2023]
Abstract
Facial attractiveness has been linked to the averageness (or typicality) of a face and, more tentatively, to a speaker's vocal attractiveness, via the 'honest signal' hypothesis, holding that attractiveness signals good genes. In four experiments, we assessed ratings for attractiveness and two common measures of distinctiveness ('distinctiveness-in-the-crowd', DITC and 'deviation-based distinctiveness', DEV) for faces and voices (simple vowels, or more naturalistic sentences) from 64 young adult speakers (32 female). Consistent and substantial negative correlations between attractiveness and DEV generally supported the averageness account of attractiveness, for both voices and faces. By contrast, and indicating that both measures of distinctiveness reflect different constructs, correlations between attractiveness and DITC were numerically positive for faces (though small and non-significant), and significant for voices in sentence stimuli. Between faces and voices, distinctiveness ratings were uncorrelated. Remarkably, and at variance with the honest signal hypothesis, vocal and facial attractiveness were also uncorrelated in all analyses involving naturalistic, i.e. sentence-based, speech. This result pattern was confirmed using a new set of stimuli and raters (experiment 5). Overall, while our findings strongly support an averageness account of attractiveness for both domains, they provide no evidence for an honest signal account of facial and vocal attractiveness in complex naturalistic speech.
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Affiliation(s)
- Romi Zäske
- Department for General Psychology and Cognitive Neuroscience & DFG Research Unit Person Perception, Institute of Psychology, Friedrich Schiller University of Jena, Am Steiger 3/1, 07743 Jena, Germany
- Department of Otorhinolaryngology, Jena University Hospital, Am Klinikum 1, 07747 Jena, Germany
| | - Verena Gabriele Skuk
- Department for General Psychology and Cognitive Neuroscience & DFG Research Unit Person Perception, Institute of Psychology, Friedrich Schiller University of Jena, Am Steiger 3/1, 07743 Jena, Germany
- Department of Otorhinolaryngology, Jena University Hospital, Am Klinikum 1, 07747 Jena, Germany
| | - Stefan R. Schweinberger
- Department for General Psychology and Cognitive Neuroscience & DFG Research Unit Person Perception, Institute of Psychology, Friedrich Schiller University of Jena, Am Steiger 3/1, 07743 Jena, Germany
- International Max Planck Research School (IMPRS) for the Science of Human History, Max Planck Institute for the Science of Human History, Kahlaische Strasse 10, 07745 Jena, Germany
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11
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Association between polymorphism in BMP15 and GDF9 genes and impairing female fecundity in diabetes type 2. MIDDLE EAST FERTILITY SOCIETY JOURNAL 2020. [DOI: 10.1186/s43043-020-00032-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Abstract
Background
A shortened reproductive period and earlier menopause have been associated with type 2 diabetes. Growth differentiation factor 9(GDF9) and bone morphogenetic protein 15 (BMP15) gene mutations have been associated with earlier menopause. Therefore, this study aimed to evaluate the association between BMP15 and GDF9 mutations with impairing female fecundity in diabetic patients. The study subjects comprised 90 female diabetic patients and 60 female healthy controls. The physio-biochemical analysis was measured using enzymatic determination. A single-strand conformation polymorphism (SSCP) protocol was utilized to assess the pattern of genetic variations.
Results
Genotyping analysis of the BMP15 gene showed a heterogeneous pattern with the presence of two genotypes: AA and AC genotypes. Five novel missense single nucleotide polymorphisms (SNPs) were identified in the BMP15 gene: four SNPs detected in both genotypes, and Met4Leu, a specific SNP, was detected only in the AC genotype. Cumulative in silico tools indicated a highly deleterious effect for the Met4Leu on the mutant protein structure, function, and stability. Diabetes patients showed a significantly higher frequency of genotype AC. The physio-biochemical analysis of fasting plasma glucose (FBG), glycosylated hemoglobin (HbA1c), and luteinizing hormone (LH) were significantly higher (P < 0.05) in AC genotype than AA genotype.
Conclusions
The current research provides the first indication regarding the tight association of BMP15 polymorphism with the impairing female fecundity in the diabetic. A pivotal role is played by the novel (Met4Leu) SNP that can be used as a predictor for the impairing female fecundity of diabetes, while no polymorphism was found in exon 4 of the GDF9 gene.
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12
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Klatt WK, Mayer B, Lobmaier JS. Content matters: Cyclic effects on women's voices depend on social context. Horm Behav 2020; 122:104762. [PMID: 32353446 DOI: 10.1016/j.yhbeh.2020.104762] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Revised: 04/16/2020] [Accepted: 04/17/2020] [Indexed: 11/24/2022]
Abstract
Women's voices reportedly sound more attractive during the fertile days compared to the non-fertile days of their menstrual cycle. Here we investigated whether the speech content modulates the cyclic changes in women's voices. We asked 72 men and women to rate how interested they were in getting to know the speaker based on her voice. Forty-two naturally cycling women were recorded once during the late follicular phase (high fertility) and once during the luteal phase (low fertility) while speaking sentences of neutral and social content. Listeners were more interested in getting to know the speakers when hearing sentences with social content. Furthermore, raters were more interested in getting to know the speakers when these were recorded in the late follicular than in the luteal phase, but only in sentences with social content. Notably, levels of reproductive hormones (EP ratio) across the cycle phases did not significantly predict the preference for late follicular voices, but echoing the perceptual ratings, there was a significant EP ratio x speech content interaction. Phonetic analyses of mean fundamental frequency (F0) revealed a main effect of menstrual cycle phase and speech content but no interaction. Employing an action-oriented task, the present study extends findings of cycle-dependent voice changes by emphasising that speech content critically modulates fertility effects.
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Zhang H, Liu M, Li W, Sommer W. Human voice attractiveness processing: Electrophysiological evidence. Biol Psychol 2019; 150:107827. [PMID: 31756365 DOI: 10.1016/j.biopsycho.2019.107827] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 11/08/2019] [Accepted: 11/17/2019] [Indexed: 11/20/2022]
Abstract
Voice attractiveness plays a significant role in social interaction and mate choice. However, how listeners perceive attractive voices and whether this process is mandatory, is poorly understood. The current study explores this question using event-related brain potentials. Participants listened to syllables spoken by male and female voices with high or low attractiveness while completing an implicit (voice un-related) tone detection task or explicitly judging voice attractiveness. In both tasks, attractive male voices elicited a larger N1 than unattractive voices. However, an effect of voice attractiveness on the late positive complex (LPC) was only seen in the explicit task but it was present to both same- and opposite-sex voices. Taken together, voice attractiveness processing during early stages appears to be rapid and mandatory and related to mate selection, whereas during later elaborated processing, voice attractiveness is strategic and aesthetics-based, requiring attentional resources.
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Affiliation(s)
- Hang Zhang
- Research Center of Brain and Cognitive Neuroscience, Liaoning Normal University, Dalian, China
| | - Meng Liu
- Research Center of Brain and Cognitive Neuroscience, Liaoning Normal University, Dalian, China
| | - Weijun Li
- Research Center of Brain and Cognitive Neuroscience, Liaoning Normal University, Dalian, China.
| | - Werner Sommer
- Institut für Psychologie, Humboldt-Universität zu Berlin, Berlin, Germany
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14
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Lassek WD, Gaulin SJ. Evidence supporting nubility and reproductive value as the key to human female physical attractiveness. EVOL HUM BEHAV 2019. [DOI: 10.1016/j.evolhumbehav.2019.05.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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15
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Pereira KJ, Varella MAC, Kleisner K, Pavlovič O, Valentova JV. Positive association between facial and vocal femininity/masculinity in women but not in men. Behav Processes 2019; 164:25-29. [PMID: 31002841 DOI: 10.1016/j.beproc.2019.04.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 03/12/2019] [Accepted: 04/15/2019] [Indexed: 12/30/2022]
Abstract
Multicomponent stimuli improve information reception. In women, perceived facial and vocal femininity-masculinity (FM) are concordant; however, mixed results are found for men. Some feminine and masculine traits are related to sex hormone action and can indicate reproductive qualities. However, most of the current research about human mate choice focuses on isolated indicators, especially visual assessment of faces. We therefore examined the cross-modal concordance hypothesis by testing correlations between perceptions of FM based on facial, vocal, and behavioral stimuli. Standardized facial pictures, vocal recordings and dance videos of 38 men and 41 women, aged 18-35 years, were rated by 21 male and 43 female students, aged 18-35 years, on 100-point scale (0 = very feminine; 100 = very masculine). All participants were Brazilian students from University of Sao Paulo. In women, facial and vocal FM correlated positively, suggesting concordant information about mate quality. Such results were not found in men, indicating multiple messages, which agree with women's multifaceted preference for male FM. In both sexes, FM of dance did not correlate with voices or faces, indicating different information and distinct process of development. We thus partially supported the cross-modal concordance hypothesis.
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Affiliation(s)
- Kamila Janaina Pereira
- Department of Experimental Psychology, Institute of Psychology, University of Sao Paulo, Sao Paulo, Brazil.
| | | | - Karel Kleisner
- Department of Philosophy and History of Science, Faculty of Science, Charles University, Prague, Czech Republic
| | - Ondřej Pavlovič
- Department of Philosophy and History of Science, Faculty of Science, Charles University, Prague, Czech Republic
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Lassek WD, Gaulin SJC. Do the Low WHRs and BMIs Judged Most Attractive Indicate Higher Fertility? EVOLUTIONARY PSYCHOLOGY 2018; 16:1474704918800063. [PMID: 30296846 PMCID: PMC10480809 DOI: 10.1177/1474704918800063] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2018] [Accepted: 08/20/2018] [Indexed: 12/30/2022] Open
Abstract
We examine the widely accepted view that very low waist-hip ratios and low body mass indices (BMIs) in women in well-nourished populations are judged attractive by men because these features reliably indicate superior fertility. In both subsistence and well-nourished populations, relevant studies of fertility do not support this view. Rather studies indicate lower fertility in women with anthropometric values associated with high attractiveness. Moreover, low maternal BMI predisposes to conditions that compromise infant survival. Consistent with these findings from the literature, new data from a large U.S. sample of women past reproductive age show that women with lower BMIs in the late teens had fewer live births, controlling for education, marital history, and race. They also had later menarche and earlier menopause compared with women with higher youth BMIs. In addition, data from the 2013 U.S. natality database show that mothers with lower prepregnancy BMIs have an increased risk of producing both low-birth-weight and preterm infants controlling for other relevant variables-conditions that would have adversely affected fitness over almost all of human evolution. Thus, a review of the relevant literature and three new tests fail to support the view that highly attractive women are more fertile.
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Affiliation(s)
- William D. Lassek
- Department of Anthropology, University of California at Santa Barbara, Santa Barbara, CA, USA
| | - Steven J. C. Gaulin
- Department of Anthropology, University of California at Santa Barbara, Santa Barbara, CA, USA
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17
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18
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Rosinger AY, Puts DA. It's Complicated: Why Raters' BMI Poorly Explained Attractiveness Ratings. Obesity (Silver Spring) 2018; 26:461-462. [PMID: 29464909 DOI: 10.1002/oby.22125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 01/04/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Asher Y Rosinger
- Department of Biobehavioral Health, Pennsylvania State University, University Park, Pennsylvania, USA
- Department of Anthropology, Pennsylvania State University, University Park, Pennsylvania, USA
| | - David A Puts
- Department of Anthropology, Pennsylvania State University, University Park, Pennsylvania, USA
- Center for Brain, Behavior, and Cognition, Pennsylvania State University, University Park, Pennsylvania, USA
- Center for Human Evolution and Diversity, Pennsylvania State University, University Park, Pennsylvania, USA
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19
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Filipino Women’s Preferences for Male Voice Pitch: Intra-Individual, Life History, and Hormonal Predictors. ADAPTIVE HUMAN BEHAVIOR AND PHYSIOLOGY 2018. [DOI: 10.1007/s40750-018-0087-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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20
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Bovet J, Barkat-Defradas M, Durand V, Faurie C, Raymond M. Women's attractiveness is linked to expected age at menopause. J Evol Biol 2017; 31:229-238. [PMID: 29178517 DOI: 10.1111/jeb.13214] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 11/20/2017] [Accepted: 11/21/2017] [Indexed: 01/02/2023]
Abstract
A great number of studies have shown that features linked to immediate fertility explain a large part of the variance in female attractiveness. This is consistent with an evolutionary perspective, as men are expected to prefer females at the age at which fertility peaks (at least for short-term relationships) in order to increase their reproductive success. However, for long-term relationships, a high residual reproductive value (the expected future reproductive output, linked to age at menopause) becomes relevant as well. In that case, young age and late menopause are expected to be preferred by men. However, the extent to which facial features provide cues to the likely age at menopause has never been investigated so far. Here, we show that expected age at menopause is linked to facial attractiveness of young women. As age at menopause is heritable, we used the mother's age at menopause as a proxy for her daughter's expected age of menopause. We found that men judged faces of women with a later expected age at menopause as more attractive than those of women with an earlier expected age at menopause. This result holds when age, cues of immediate fertility and facial ageing were controlled for. Additionally, we found that the expected age at menopause was not correlated with any of the other variables considered (including immediate fertility cues and facial ageing). Our results show the existence of a new correlate of women's facial attractiveness, expected age at menopause, which is independent of immediate fertility cues and facial ageing.
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Affiliation(s)
- J Bovet
- Institute for Advanced Study in Toulouse, Toulouse, France
| | - M Barkat-Defradas
- Institut des sciences de l'évolution de Montpellier, CNRS, UMR 5554 - IRD - EPHE- Université de Montpellier, Montpellier, France
| | - V Durand
- Institut des sciences de l'évolution de Montpellier, CNRS, UMR 5554 - IRD - EPHE- Université de Montpellier, Montpellier, France
| | - C Faurie
- Institut des sciences de l'évolution de Montpellier, CNRS, UMR 5554 - IRD - EPHE- Université de Montpellier, Montpellier, France
| | - M Raymond
- Institut des sciences de l'évolution de Montpellier, CNRS, UMR 5554 - IRD - EPHE- Université de Montpellier, Montpellier, France
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21
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Smith KM, Olkhov YM, Puts DA, Apicella CL. Hadza Men With Lower Voice Pitch Have a Better Hunting Reputation. EVOLUTIONARY PSYCHOLOGY 2017; 15:1474704917740466. [PMID: 29179581 PMCID: PMC10481060 DOI: 10.1177/1474704917740466] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Accepted: 10/03/2017] [Indexed: 12/18/2022] Open
Abstract
Previous research with hunter-gatherers has found that women perceive men with voices manipulated to be lower in pitch to be better hunters, and men perceive women with lower pitch to be better gatherers. Here, we test if actual voice pitch is associated with hunting and gathering reputations in men and women, respectively. We find that voice pitch does relate to foraging reputation in men, but not in women, with better hunters having a lower voice pitch. In addition, we find that the previously documented relationship between voice pitch and reproductive success no longer holds when controlling for hunting reputation, but hunting reputation remains a significant predictor of reproductive success when controlling for voice pitch. This raises the possibility that voice pitch is being selected for in hunter-gatherers because of the relationship between voice pitch and hunting reputation.
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Affiliation(s)
| | | | - David A. Puts
- Pennsylvania State University, University Park, PA, USA
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22
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Perceived differences in social status between speaker and listener affect the speaker's vocal characteristics. PLoS One 2017; 12:e0179407. [PMID: 28614413 PMCID: PMC5470693 DOI: 10.1371/journal.pone.0179407] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Accepted: 05/29/2017] [Indexed: 11/19/2022] Open
Abstract
Non-verbal behaviours, including voice characteristics during speech, are an important way to communicate social status. Research suggests that individuals can obtain high social status through dominance (using force and intimidation) or through prestige (by being knowledgeable and skilful). However, little is known regarding differences in the vocal behaviour of men and women in response to dominant and prestigious individuals. Here, we tested within-subject differences in vocal parameters of interviewees during simulated job interviews with dominant, prestigious, and neutral employers (targets), while responding to questions which were classified as introductory, personal, and interpersonal. We found that vocal modulations were apparent between responses to the neutral and high-status targets, with participants, especially those who perceived themselves as low in dominance, increasing fundamental frequency (F0) in response to the dominant and prestigious targets relative to the neutral target. Self-perceived prestige, however, was less related to contextual vocal modulations than self-perceived dominance. Finally, we found that differences in the context of the interview questions participants were asked to respond to (introductory, personal, interpersonal), also affected their vocal parameters, being more prominent in responses to personal and interpersonal questions. Overall, our results suggest that people adjust their vocal parameters according to the perceived social status of the listener as well as their own self-perceived social status.
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23
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Motta-Mena NV, Puts DA. Endocrinology of human female sexuality, mating, and reproductive behavior. Horm Behav 2017; 91:19-35. [PMID: 27866819 DOI: 10.1016/j.yhbeh.2016.11.012] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Revised: 11/02/2016] [Accepted: 11/12/2016] [Indexed: 10/20/2022]
Abstract
Hormones orchestrate and coordinate human female sexual development, sexuality, and reproduction in relation to three types of phenotypic changes: life history transitions such as puberty and childbirth, responses to contextual factors such as caloric intake and stress, and cyclical patterns such as the ovulatory cycle. Here, we review the endocrinology underlying women's reproductive phenotypes, including sexual orientation and gender identity, mate preferences, competition for mates, sex drive, and maternal behavior. We highlight distinctive aspects of women's sexuality such as the possession of sexual ornaments, relatively cryptic fertile windows, extended sexual behavior across the ovulatory cycle, and a period of midlife reproductive senescence-and we focus on how hormonal mechanisms were shaped by selection to produce adaptive outcomes. We conclude with suggestions for future research to elucidate how hormonal mechanisms subserve women's reproductive phenotypes.
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Affiliation(s)
- Natalie V Motta-Mena
- Department of Psychology, Pennsylvania State University, University Park, PA 16802, United States
| | - David A Puts
- Department of Anthropology, Center for Brain, Behavior, and Cognition, Center for Human Evolution and Diversity, Pennsylvania State University, University Park, PA 16802¸ United States.
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24
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Coall DA, Tickner M, McAllister LS, Sheppard P. Developmental influences on fertility decisions by women: an evolutionary perspective. Philos Trans R Soc Lond B Biol Sci 2016; 371:20150146. [PMID: 27022073 DOI: 10.1098/rstb.2015.0146] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/29/2016] [Indexed: 01/19/2023] Open
Abstract
Developmental environments are crucial for shaping our life course. Elements of the early social and biological environments have been consistently associated with reproduction in humans. To date, a strong focus has been on the relationship between early stress, earlier menarche and first child birth in women. These associations, found predominately in high-income countries, have been usefully interpreted within life-history theory frameworks. Fertility, on the other hand--a missing link between an individual's early environment, reproductive strategy and fitness--has received little attention. Here, we synthesize this literature by examining the associations between early adversity, age at menarche and fertility and fecundity in women. We examine the evidence that potential mechanisms such as birth weight, childhood body composition, risky health behaviours and developmental influences on attractiveness link the early environment and fecundity and fertility. The evidence that menarche is associated with fertility and fecundity is good. Currently, owing to the small number of correlational studies and mixed methodologies, the evidence that early adversity predicts fecundity and fertility is not conclusive. This area of research is in its infancy; studies examining early adversity and adult fertility decisions that can also examine likely biological, social and psychological pathways present opportunities for future fertility research.
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Affiliation(s)
- D A Coall
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia School of Psychiatry and Clinical Neurosciences, University of Western Australia, Crawley, Western Australia, Australia
| | - M Tickner
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia
| | - L S McAllister
- Department of Anthropology, University of California, Santa Barbara, CA 93106, USA
| | - P Sheppard
- Department of Population Health, London School of Hygiene and Tropical Medicine, London, UK
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25
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Hill AK, Cárdenas RA, Wheatley JR, Welling LLM, Burriss RP, Claes P, Apicella CL, McDaniel MA, Little AC, Shriver MD, Puts DA. Are there vocal cues to human developmental stability? Relationships between facial fluctuating asymmetry and voice attractiveness. EVOL HUM BEHAV 2016; 38:249-258. [PMID: 34629843 DOI: 10.1016/j.evolhumbehav.2016.10.008] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Fluctuating asymmetry (FA), deviation from perfect bilateral symmetry, is thought to reflect an organism's relative inability to maintain stable morphological development in the face of environmental and genetic stressors. Previous research has documented negative relationships between FA and attractiveness judgments in humans, but scant research has explored relationships between the human voice and this putative marker of genetic quality in either sex. Only one study (and in women only) has explored relationships between vocal attractiveness and asymmetry of the face, a feature-rich trait space central in prior work on human genetic quality and mate choice. We therefore examined this relationship in three studies comprising 231 men and 240 women from two Western samples as well as Hadza hunter-gatherers of Tanzania. Voice recordings were collected and rated for attractiveness, and FA was computed from two-dimensional facial images as well as, for a subset of men, three-dimensional facial scans. Through meta-analysis of our results and those of prior studies, we found a negative association between FA and vocal attractiveness that was highly robust and statistically significant whether we included effect sizes from previously published work, or only those from the present research, and regardless of the inclusion of any individual sample or method of assessing FA (e.g., facial or limb FA). Weighted mean correlations between FA and vocal attractiveness across studies were -.23 for men and -.29 for women. This research thus offers strong support for the hypothesis that voices provide cues to genetic quality in humans.
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Affiliation(s)
- Alexander K Hill
- Department of Anthropology, The Pennsylvania State University, University Park, PA 16802
| | - Rodrigo A Cárdenas
- Department of Psychology, The Pennsylvania State University, University Park, PA 16802
| | - John R Wheatley
- Department of Anthropology, The Pennsylvania State University, University Park, PA 16802
| | - Lisa L M Welling
- Department of Anthropology, The Pennsylvania State University, University Park, PA 16802
| | - Robert P Burriss
- Department of Anthropology, The Pennsylvania State University, University Park, PA 16802
| | - Peter Claes
- KU Leuven, ESAT/PSI - UZ Leuven, MIRC - iMinds, Medical IT Department, Belgium
| | - Coren L Apicella
- Department of Psychology, University of Pennsylvania, Philadelphia, PA 19104
| | - Michael A McDaniel
- Department of Management, Virginia Commonwealth University, Richmond, VA 23284
| | | | - Mark D Shriver
- Department of Anthropology, The Pennsylvania State University, University Park, PA 16802
| | - David A Puts
- Department of Anthropology, The Pennsylvania State University, University Park, PA 16802.,Center for Brain, Behavior, and Cognition, The Pennsylvania State University, University Park, PA 16802
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26
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Kelly AJ, Dubbs SL, Barlow FK. An Evolutionary Perspective on Mate Rejection. EVOLUTIONARY PSYCHOLOGY 2016; 14:1474704916678626. [PMID: 28024416 PMCID: PMC10480970 DOI: 10.1177/1474704916678626] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Accepted: 10/13/2016] [Indexed: 11/16/2022] Open
Abstract
We argue that mate rejection and ex-partner relationships are important, multifaceted topics that have been underresearched in social and evolutionary psychology. Mate rejection and relationship dissolution are ubiquitous and form integral parts of the human experience. Both also carry with them potential risks and benefits to our fitness and survival. Hence, we expect that mate rejection would have given rise to evolved behavioral and psychological adaptations. Herein, we outline some of the many unanswered questions in evolutionary psychology on these topics, at each step presenting novel hypotheses about how men and women should behave when rejecting a mate or potential mate or in response to rejection. We intend these hypotheses and suggestions for future research to be used as a basis for enriching our understanding of human mating from an evolutionary perspective.
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Affiliation(s)
- Ashleigh J. Kelly
- School of Psychology, The University of Queensland, St Lucia, Brisbane, Queensland, Australia
| | - Shelli L. Dubbs
- School of Psychology, The University of Queensland, St Lucia, Brisbane, Queensland, Australia
| | - Fiona Kate Barlow
- School of Psychology, The University of Queensland, St Lucia, Brisbane, Queensland, Australia
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27
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Bird BM, Welling LLM, Ortiz TL, Moreau BJP, Hansen S, Emond M, Goldfarb B, Bonin PL, Carré JM. Effects of exogenous testosterone and mating context on men's preferences for female facial femininity. Horm Behav 2016; 85:76-85. [PMID: 27511452 DOI: 10.1016/j.yhbeh.2016.08.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Revised: 08/02/2016] [Accepted: 08/03/2016] [Indexed: 10/21/2022]
Abstract
Correlational research suggests that men show greater attraction to feminine female faces when their testosterone (T) levels are high. Men's preferences for feminine faces also seem to vary as a function of relationship context (short versus long-term). However, the relationship between T and preferences for female facial femininity has yet to be tested experimentally. In the current paper, we report the results of two experiments examining the causal role of T in modulating preferences for facial femininity across both short and long-term mating contexts. Results of Experiment 1 (within-subject design, n=24) showed that participants significantly preferred feminized versus masculinized versions of women's faces. Further, participants showed a stronger preference for feminine faces in the short versus the long-term context after they received T, but not after they received placebo. Post-hoc analyses suggested that this effect was driven by a lower preference for feminine faces in the long-term context when on T relative to placebo, and this effect was found exclusively for men who received placebo on the first day of testing, and T on the second day of testing (i.e., Order x Drug x Mating context interaction). In Experiment 2 (between-subject design, n=93), men demonstrated a significant preference for feminized female faces in the short versus the long-term context after T, but not after placebo administration. Collectively, these findings provide the first causal evidence that T modulates men's preferences for facial femininity as a function of mating context.
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Affiliation(s)
- Brian M Bird
- Department of Psychology, Laurentian University, Sudbury, Ontario, Canada
| | - Lisa L M Welling
- Department of Psychology, Oakland University, Rochester, MI, United States
| | - Triana L Ortiz
- Department of Psychology, Nipissing University, North Bay, Ontario, Canada
| | | | - Steve Hansen
- Physical and Health Education, Nipissing University, North Bay, Ontario, Canada
| | - Michael Emond
- Department of Psychology, Laurentian University, Sudbury, Ontario, Canada
| | | | - Pierre L Bonin
- Northern Ontario School of Medicine, Sudbury, Ontario, Canada
| | - Justin M Carré
- Department of Psychology, Nipissing University, North Bay, Ontario, Canada.
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28
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Smith HMJ, Dunn AK, Baguley T, Stacey PC. Concordant Cues in Faces and Voices. EVOLUTIONARY PSYCHOLOGY 2016; 14:1474704916630317. [PMCID: PMC10481076 DOI: 10.1177/1474704916630317] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Accepted: 11/14/2015] [Indexed: 09/29/2023] Open
Abstract
Information from faces and voices combines to provide multimodal signals about a person. Faces and voices may offer redundant, overlapping (backup signals), or complementary information (multiple messages). This article reports two experiments which investigated the extent to which faces and voices deliver concordant information about dimensions of fitness and quality. In Experiment 1, participants rated faces and voices on scales for masculinity/femininity, age, health, height, and weight. The results showed that people make similar judgments from faces and voices, with particularly strong correlations for masculinity/femininity, health, and height. If, as these results suggest, faces and voices constitute backup signals for various dimensions, it is hypothetically possible that people would be able to accurately match novel faces and voices for identity. However, previous investigations into novel face–voice matching offer contradictory results. In Experiment 2, participants saw a face and heard a voice and were required to decide whether the face and voice belonged to the same person. Matching accuracy was significantly above chance level, suggesting that judgments made independently from faces and voices are sufficiently similar that people can match the two. Both sets of results were analyzed using multilevel modeling and are interpreted as being consistent with the backup signal hypothesis.
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Affiliation(s)
| | - Andrew K. Dunn
- Psychology Division, Nottingham Trent University, Nottingham, UK
| | - Thom Baguley
- Psychology Division, Nottingham Trent University, Nottingham, UK
| | - Paula C. Stacey
- Psychology Division, Nottingham Trent University, Nottingham, UK
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29
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30
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Gonzalez-Santoyo I, Wheatley JR, Welling LLM, Cárdenas RA, Jimenez-Trejo F, Dawood K, Puts DA. The face of female dominance: Women with dominant faces have lower cortisol. Horm Behav 2015; 71:16-21. [PMID: 25857930 DOI: 10.1016/j.yhbeh.2015.03.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Revised: 03/29/2015] [Accepted: 03/30/2015] [Indexed: 11/28/2022]
Abstract
The human face displays a wealth of information, including information about dominance and fecundity. Dominance and fecundity are also associated with lower concentrations of the stress hormone cortisol, suggesting that cortisol may negatively predict facial dominance and attractiveness. We digitally photographed 61 women's faces, had these images rated by men and women for dominance, attractiveness, and femininity, and explored relationships between these perceptions and women's salivary cortisol concentrations. In a first study, we found that women with more dominant-appearing, but not more attractive, faces had lower cortisol levels. These associations were not due to age, ethnicity, time since waking, testosterone, or its interaction with cortisol. In a second study, composite images of women with low cortisol were perceived as more dominant than those of women with high cortisol significantly more often than chance by two samples of viewers, with a similar but non-significant trend in a third sample. However, data on perceptions of attractiveness were mixed; low-cortisol images were viewed as more attractive by two samples of US viewers and as less attractive by a sample of Mexican viewers. Our results suggest that having a more dominant-appearing face may be associated with lower stress and hence lower cortisol in women, and provide further evidence regarding the information content of the human face.
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Affiliation(s)
- Isaac Gonzalez-Santoyo
- Department of Anthropology, Pennsylvania State University, University Park, PA 16802, USA
| | - John R Wheatley
- Department of Anthropology, Pennsylvania State University, University Park, PA 16802, USA
| | - Lisa L M Welling
- Department of Anthropology, Pennsylvania State University, University Park, PA 16802, USA
| | - Rodrigo A Cárdenas
- Department of Psychology, Pennsylvania State University, University Park, PA 16802, USA
| | - Francisco Jimenez-Trejo
- Laboratorio de Biología de la Reproducción, Instituto Nacional de Pediatría, 04530 Ciudad de México, México D.F., Mexico
| | - Khytam Dawood
- Department of Psychology, Pennsylvania State University, University Park, PA 16802, USA
| | - David A Puts
- Department of Anthropology, Pennsylvania State University, University Park, PA 16802, USA.
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31
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Physiological changes in response to hearing female voices recorded at high fertility. Physiol Behav 2015; 139:386-92. [DOI: 10.1016/j.physbeh.2014.11.028] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2014] [Revised: 07/21/2014] [Accepted: 11/07/2014] [Indexed: 11/24/2022]
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32
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Schmitt DP. The Evolution of Culturally-Variable Sex Differences: Men and Women Are Not Always Different, but When They Are…It Appears Not to Result from Patriarchy or Sex Role Socialization. THE EVOLUTION OF SEXUALITY 2015. [DOI: 10.1007/978-3-319-09384-0_11] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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