Facial width to height ratio

Ratio of the width of the face to the height of the upper face

Facial Width-to-Height Ratio

The facial width-to-height ratio (fWHR) is a measure used in anthropometry to assess the proportion of the width of the face relative to its height. This metric is often used in studies of human behavior, psychology, and evolutionary biology to explore associations between facial structure and various social and biological traits.

Study of human face proportions by Paulus Pontius

Measurement

The fWHR is calculated by measuring the distance between the left and right zygomatic arches (the widest part of the face) and dividing it by the distance from the upper lip to the highest point of the eyebrows. This ratio provides a standardized way to compare facial dimensions across individuals.

Applications

The fWHR has been studied in various contexts, including:

Aggression and Dominance

Research has suggested that a higher fWHR is associated with increased levels of aggression and dominance in both men and women. This has been linked to testosterone levels, which are thought to influence facial development during puberty.

Perceptions of Trustworthiness

Individuals with a higher fWHR are often perceived as less trustworthy. This perception may be due to evolutionary biases where facial cues are used to assess potential threats or allies.

Leadership and Success

Some studies have found that leaders with a higher fWHR are more likely to be successful in competitive environments. This may be due to the association of wider faces with assertiveness and confidence.

Biological Basis

The development of facial features, including the fWHR, is influenced by genetic and hormonal factors. Testosterone plays a significant role in shaping facial structure during puberty, which may explain some of the behavioral associations observed with fWHR.

Criticism and Controversy

While the fWHR has been linked to various traits, some researchers caution against overgeneralizing these findings. The relationship between facial structure and behavior is complex and influenced by numerous factors, including cultural and environmental variables.

Related Pages

• Anthropometry
• Human behavior
• Evolutionary psychology
• Testosterone