The impact of sexual dimorphism on facial attractiveness has been controversial owing to contradictory results, particularly in studies on female preferences. Given that sexually dimorphic facial features, especially more masculine ones, have been previously related to the perception of anger, we investigated the bi-directional influence of emotional expressions and facial masculinity and explored their impact on women\'s preferences for facial masculinity. We confirmed the effect of facial sexual dimorphism on the perception of emotional cues (happiness and anger) and explored whether smiling or angry expressions influence women\'s perception of masculinity in male faces. Additionally, we examined women\'s preferences for emotionally expressive male faces altered along a continuum of masculinity. The results showed that masculinised faces are perceived as angrier, while feminised faces are perceived as happier (Experiment 1), and that angry faces are perceived as more masculine when compared with happy faces (Experiment 2). It is noteworthy that our Experiment 3 uncovered a pivotal finding: women prefer reduced feminisation in happy faces compared with neutral/angry faces. This suggests that the avoidance response observed towards masculinity is attenuated by a smiling expression. The current study introduces a new perspective to be considered when exploring the role of facial masculinity in women\'s attractiveness preferences.

The attractiveness of a person, a complex, and socially relevant type of information, is transmitted in many ways, not least through face and voice. However, it is unclear how the stimulus domains carrying attractiveness information interact. The present study explored the audiovisual perception of attractiveness in a Stroop-like paradigm using event-related potentials (ERPs). Participants were presented with face-voice pairs carrying congruent or incongruent attractiveness information and, in turn, judged the attractiveness level of each domain while ignoring the other. Voice attractiveness judgments were influenced by unattended face attractiveness, in terms of both, early perceptual encoding (N170, P200) as well as later evaluative stages (N400, LPC). In contrast, effects of unattended voice attractiveness on face attractiveness judgments were confined to early perceptual encoding (N170). These results demonstrate not only the interaction of multiple domains in human attractiveness perception at different processing stages but also a relative dominance of face over voice attractiveness.

Individuals appear to infer others\' psychological characteristics according to facial attractiveness and these psychological characteristics can be classified into two categories in social cognition, that is, warmth and competence. However, which category of psychological characteristic is more associated with face attractiveness and its neural mechanisms have not been explored. To address this, participants were asked to judge others\' warmth and competence traits based on face attractiveness, while their brains were scanned using functional magnetic resonance imaging (fMRI). They also assessed the attractiveness of faces after scanning. Behavioral results showed that the correlation between face attractiveness and warmth ratings was significantly higher than that with competence ratings. fMRI results demonstrated that the dorsomedial prefrontal cortex (dmPFC), temporoparietal junction (TPJ), lateral prefrontal cortex, and lateral temporal lobe were more involved in the warmth task. Moreover, attractiveness ratings were negatively correlated with activation of the dmPFC and TPJ only in the warmth task. Furthermore, the attractiveness ratings were negatively correlated with the defined dmPFC, region related to attractiveness judgment, only in the warmth task. In conclusion, people are more inclined to infer others\' warmth than competence characteristics from face attractiveness, that is, face attractiveness is more associated with warmth than with competence.

Beauty filters, while often employed for retouching photos to appear more attractive on social media, when used in excess cause images to give a distorted impression. The neural mechanisms underlying this change in facial attractiveness according to beauty retouching level remain unknown. The present study used functional magnetic resonance imaging in women as they viewed photos of their own face or unknown faces that had been retouched at three levels: no, mild, and extreme. The activity in the nucleus accumbens (NA) exhibited a positive correlation with facial attractiveness, whereas amygdala activity showed a negative correlation with attractiveness. Even though the participants rated others\' faces as more attractive than their own, the NA showed increased activity only for their mildly retouched own face and the amygdala exhibited greater activation in the others\' faces condition than the own face condition. Moreover, amygdala activity was greater for extremely retouched faces than for unretouched or mildly retouched faces for both conditions. Frontotemporal and cortical midline areas showed greater activation for one\'s own than others\' faces, but such self-related activation was absent when extremely retouched. These results suggest that neural activity dynamically switches between the NA and amygdala according to perceived attractiveness of one\'s face.

Empathy for pain is at the basis of altruistic behaviors and is known to be modulated by variables such as group membership, pleasantness or unpleasantness of situations and social relationships. Also, face attractiveness and aesthetic judgment might play a role when observing a person in painful conditions, by increasing individuals\' empathic responsiveness. Indeed, physical attractiveness can modify both the perception of the face itself and its reception in a social context. In the present study, we aimed to assess cortical activity when attention is focused on the aesthetic features of an individual showing painful feelings. Brain activity (optical imaging: functional near-infrared spectroscopy, fNIRS), considered in its hemodynamic components (oxygenated [oxy-Hb] and deoxygenated hemoglobin [deoxy-Hb]) was monitored when 22 subjects (Mage = 24.9; SD = 3.6) observed faces (attractive; unattractive) that received painful stimulations (pain; no pain) and were asked to judge the attractiveness and pain condition of the face. Specifically, we targeted the left and right inferior frontal gyrus (IFG), sensory cortex, and temporo-parietal junction (TPJ). Analyses revealed significant lower oxy-Hb levels in left IFG compared to right hemispheric channels when asking participants to rate faces attractiveness independently from the stimulus features. Besides, lower levels of deoxy-Hb were detected in the right TPJ for unattractive faces compared to attractive faces. Overall, present findings highlighted that the formulation of an aesthetic judgment and face attractiveness plays a relevant role in empathic concerns and this seems to be able to overlay painful appraisal.

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Young women posting their edited face photographs on social networking sites have become a popular phenomenon, but an excessively retouched face image sometimes gives a strange impression to its viewers. This study investigates what personal characteristics facilitate a bias toward an excessively edited face image. Thirty young Asian women evaluated the attractiveness and naturalness of their face images, which were edited in eight different levels-from mild to excessive-by expanding their eyes and thinning their chin. The mildly retouched face was evaluated as more attractive than the original face, but the excessively retouched face was evaluated as unattractive and unnatural in comparison with the original face. The preferred face edit level was higher for one\'s own face than for others. Moreover, participants with higher autism-spectrum quotient (AQ) scores were found to regard excessively edited face images as more attractive. The attention to detail subscale of the AQ showed a significant positive correlation with the preferred face edit level. The imagination subscale, on the contrary, showed a significant negative correlation with the preferred face edit level. The pupil response for self-face images was significantly larger than those for others\' face images, but this difference decreased with higher AQ scores. This study suggests that an increased attractiveness in their mildly retouched face promotes this behavior of retouching one\'s own face, but autistic traits, which are insensitive to the creepiness of the excessively retouched face, might pose a potential risk to inducing retouch dependence.

Face attractiveness can influence memory for previously seen faces. This effect has been shown to differ for young and older perceivers. Two parallel studies examined the moderation of both the age of the face and the age of the perceiver on the relationship between facial attractiveness and face memory. Study 1 comprised 29 young and 31 older participants; Study 2 comprised 25 young and 24 older participants. In both studies, participants completed an incidental face encoding and a surprise old/new recognition test with young and older faces that varied in face attractiveness. Face attractiveness affected memory for young but not older faces. In addition, young but not older perceivers showed a linear effect of facial attractiveness on memory for young faces, while both young and older perceivers showed a quadratic effect on memory for young faces. These findings extend previous work by demonstrating that the effect of facial attractiveness on face memory is a function of both the age of the perceiver and the age of the face. Factors that could account for such moderations of face and perceiver age on the associations between face attractiveness and face memory are discussed (e.g. age differences in social goals and face similarity/distinctiveness).

It has been well demonstrated that shared multisensory experiences between the self and others can influence the social perception of out-group members. Previous research has shown that the illusion of ownership over a dark-skinned rubber hand or full virtual body generated less negative implicit bias against people with dark skin. However, less is known about how perceived attractiveness difference between self and other affects social perception toward those others after shared multisensory experience. The present study assessed whether shared multisensory experience between the self and attractive others would affect the implicit evaluation of goodness of others. Seventy-three women participated in the study. After the visuotactile multisensory stimulation procedure, participants were administered the Single Category Implicit Association Test (SC-IAT), which presents two attributes (good and bad) and one concept (other). Results showed that the more attractive the faces are, the more positive their implicit evaluation becomes after the synchronous tactile stimulation. This result suggests that shared multisensory experience makes people feel more positive toward others who have positive attribute. This finding suggests that self-other blurring in social contexts might be a compelling factor in evaluating other people positively.

Evolutionary theories suggest that fundamental mating-related motives might exert specific effects on human cognition and behaviors. Based on the evolutionary perspective, our prior research illustrated that the activation of mating-related motives leads to a study-time allocation bias toward highly attractive female faces. While study-time allocation is one of the aspects of the self-regulated learning process, it is unclear whether mating motives affect study decision behaviors (as measured by item-selection orders) during the learning process. Therefore, the present study followed the logic of previous research and aimed to examine the effects of mating-related motives on item-selection orders for face-name associations among faces with varying attractiveness. In two experiments, after an imagery procedure, participants in mating-related priming conditions (Experiment 1: mate search, Experiment 2: mate guarding) or control conditions performed an item-selection task. Participants were shown 16 female faces with varying attractiveness on a computer screen and were instructed to decide the order for studying the faces and corresponding names. Experiment 1 showed that activating mate-search motives led male participants to prioritize the choice of highly attractive rather than less attractive faces for studying. In Experiment 2, compared to the participants in the control condition, female participants in the mate-guarding priming condition were more likely to prioritize the choice of highly attractive rather than less attractive faces for studying. The present findings clarify that mating-related motives affect the item-selection prioritization of faces with varying attractiveness.