Highlights•In proportions of their total aggression scores, girls use more indirect
aggression.•Boys use more physical aggression.•Both genders use direct verbal aggression …

Although first identified over 70 years ago, Klinefelter syndrome (KS) continues to pose
substantial diagnostic challenges, as many patients are still misdiagnosed, or remain …

This paper reviews the literature exploring gender differences associated with the clinical
presentation of autism spectrum disorders (ASD). The potentially mediating effect of …

Experiments indicate that selection against aggression in mammals can have multiple
effects on their morphology, physiology, behaviour and psychology, and that these results …

Males and females generally have different finger proportions. In males, digit 2 is shorter
than digit 4, but in females digit 2 is the same length or longer than digit 4. The second-to …

Empathizing is the capacity to predict and to respond to the behavior of agents (usually
people) by inferring their mental states and responding to these with an appropriate …

The early conceptualizations of schizophrenia have noted some sex/gender differences in
epidemiology and clinical expression of the disorder. Over the past few decades, the interest …

Clinical characteristics might be associated with temporomandibular disorders (TMD)
because they are antecedent risk factors that increase the likelihood of a healthy person …

Objectives: Our aims are, first, to describe the sex difference in the length ratio of the second
and fourth digits (2D: 4D), which likely reflects prenatal testosterone levels in humans …

Autistic-spectrum conditions and psychotic-spectrum conditions (mainly schizophrenia,
bipolar disorder, and major depression) represent two major suites of disorders of human …