Amanda Hahn
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View article: Does cleft repair restore normal visual scanning and neural processing of infant faces?
Does cleft repair restore normal visual scanning and neural processing of infant faces? Open
Infant faces are an important cue for facilitating bonding and interactions with adult caregivers. Cues of poor infant health are associated with a lower degree of parental investment and facial malformations, in particular, have been show…
View article: Impact of parity and salivary hormonal levels on motivation towards infant emotions
Impact of parity and salivary hormonal levels on motivation towards infant emotions Open
We studied 54 Finnish first-time mothers and 42 non-mothers in a pay-per-view key-press task where the participants were shown 20 infant faces with smiling and crying expressions. Participants were able to adjust the time each face was vis…
View article: Effects of cleft lip on visual scanning and neural processing of infant faces
Effects of cleft lip on visual scanning and neural processing of infant faces Open
Infant faces readily capture adult attention and elicit enhanced neural processing, likely due to their importance evolutionarily in facilitating bonds with caregivers. Facial malformations have been shown to impact early infant-caregiver …
View article: Effects of Cleft Lip on Visual Scanning and Neural Processing of Infant Faces
Effects of Cleft Lip on Visual Scanning and Neural Processing of Infant Faces Open
Infant faces readily capture adult attention and elicit enhanced neural processing, likely due to their importance evolutionarily in facilitating bonds with caregivers. Facial malformations have been shown to impact early infant-caregiver …
View article: No increased inbreeding avoidance during the ovulatory phase of the menstrual cycle
No increased inbreeding avoidance during the ovulatory phase of the menstrual cycle Open
Mate preferences and mating-related behaviors are hypothesized to change over the menstrual cycle to increase reproductive fitness. Recent large-scale studies suggest that previously reported hormone-linked behavioral changes are not robus…
View article: Actual vs. perceived exertion during active virtual reality game exercise
Actual vs. perceived exertion during active virtual reality game exercise Open
Background Virtual exercise has become more common as emerging and converging technologies make active virtual reality games (AVRGs) a viable mode of exercise for health and fitness. Our lab has previously shown that AVRGs can elicit moder…
View article: Not within spitting distance: salivary immunoassays of estradiol have subpar validity for predicting cycle phase
Not within spitting distance: salivary immunoassays of estradiol have subpar validity for predicting cycle phase Open
Salivary steroid immunoassays are widely used in psychoneuroendocrinological studies of menstrual cycle phase, puberty, and menopause. Though manufacturers advertise their assays as suitable, they have not been rigorously validated for the…
View article: To which world regions does the valence–dominance model of social perception apply?
To which world regions does the valence–dominance model of social perception apply? Open
Over the past 10 years, Oosterhof and Todorov's valence-dominance model has emerged as the most prominent account of how people evaluate faces on social dimensions. In this model, two dimensions (valence and dominance) underpin social judg…
View article: Are Sexual Desire and Sociosexual Orientation Related to Men’s Salivary Steroid Hormones?
Are Sexual Desire and Sociosexual Orientation Related to Men’s Salivary Steroid Hormones? Open
Objective Although it is widely assumed that men’s sexual desire and interest in casual sex (i.e., sociosexual orientation) are linked to steroid hormone levels, evidence for such associations is mixed. Methods We tested for both longitudi…
View article: Are sexual desire and sociosexual orientation related to men’s salivary steroid hormones?
Are sexual desire and sociosexual orientation related to men’s salivary steroid hormones? Open
Objective: Although it is widely assumed that men’s sexual desire and interest in casual sex (i.e., sociosexual orientation) are linked to steroid hormone levels, evidence for such associations is mixed. Methods: We tested for both longitu…
View article: Do more attractive women show stronger preferences for male facial masculinity?
Do more attractive women show stronger preferences for male facial masculinity? Open
Researchers have suggested that more attractive women will show stronger preferences for masculine men because such women are better placed to offset the potential costs of choosing a masculine mate. However, evidence for correlations betw…
View article: Context-specific effects of facial dominance and trustworthiness on hypothetical leadership decisions
Context-specific effects of facial dominance and trustworthiness on hypothetical leadership decisions Open
Social judgments of faces predict important social outcomes, including leadership decisions. Previous work suggests that facial cues associated with perceptions of dominance and trustworthiness have context-specific effects on leadership d…
View article: Stereotype Threat in Black College Students Across Many Operationalizations
Stereotype Threat in Black College Students Across Many Operationalizations Open
According to stereotype threat theory, the possibility of confirming a negative group stereotype evokes feelings of threat, leading people to underperform in domains where they are stereotyped as lacking ability. This theory has immense th…
View article: Is vocal attractiveness a cue of young adult women’s susceptibility to infectious illnesses?
Is vocal attractiveness a cue of young adult women’s susceptibility to infectious illnesses? Open
Although many researchers have assumed that vocal attractiveness functions as a health cue, direct tests of this assumption have been rare. Consequently, we will test possible correlations between women’s vocal attractiveness and susceptib…
View article: Do voices carry valid information about a speaker's personality?
Do voices carry valid information about a speaker's personality? Open
Research on links between peoples’ personality traits and their voices has primarily focused on other peoples’ personality judgments about a target person based on a target person’s vocal characteristics, particularly voice pitch. However,…