Facial shapes in Frankfurt Horizontal and natural head positions: a methodological study.

Background: Head orientation during photography can distort facial shape, but this is rarely considered in cross-population studies focusing on facial morphology and its perception.

Aim: To assess how head positioning (Frankfurt Horizontal [FH] vs. natural position [NP]) affects facial shape and trait perception across two ethnic populations.

Cross-cultural perception of strength, attractiveness, aggressiveness and helpfulness of Maasai male faces calibrated to handgrip strength.

Previous research has demonstrated that Maasai and Europeans tend to align in their ratings of the physical strength and aggressiveness of Maasai male faces, calibrated to hand grip strength (HGS). However, perceptions of attractiveness of these faces differed among populations. In this study, three morphs of young Maasai men created by means of geometric morphometrics, and depicting the average sample and two extrema (± 4 SD of HGS), were assessed by men and women from Tanzania, Czech Republic, Russia, Pakistan, China, and Mexico (total sample = 1540).

Facial cues to physical strength are not always associated with facial masculinity: Comparative study of Europeans and Southern Siberians.

Objectives: The aim of our study was to compare morphometric patterns of facial sexual dimorphism with strength-face relationship in members of two distinct populations of European and Central Asian origin: Russians and Tuvans.

Methods: Handgrip strength (HGS) measures and facial photographs were collected from Russian (n = 233) and Tuvan (n = 187) men and women. We digitized 70 landmarks and semilandmarks on full-face and 54 landmarks and semilandmarks on profile photos.

Patient-Reported Outcome Measures in Liver and Gastrointestinal Cancer Randomized Controlled Trials.

Objective: For many years, outcomes such as mortality and morbidity were the standard for evaluating oncological treatment effectiveness. With the introduction of patient-reported outcome measures (PROMs), the focus shifted from a mere extension of a patient's life or release from disease to the improvement of a multilayered concept of health, decisively affecting life satisfaction. In this study, we deal with the topic of PROMs in liver and gastrointestinal randomized controlled trials.

Effects of sex and sex-related facial traits on trust and trustworthiness: An experimental study.

The ability to trust others, including strangers, is a prerequisite for human cooperation. Economically it is not rational to trust strangers, as trust can be easily exploited. Still, generally, the level of trust toward strangers is relatively high.