Background: In the last decade, an increasing body of empirical evidence has gathered to
establish an association between higher cognitive ability in youth and later mortality, less …

In this review, we pose and respond to three questions concerning canine cognition: How
has the history of this field influenced what we currently know about dog cognition? How …

Importance Gait speed is a well-known indicator of risk of functional decline and mortality in
older adults, but little is known about the factors associated with gait speed earlier in life …

Obesity is associated with lower brain volumes in cognitively normal elderly subjects, but no
study has yet investigated the effects of obesity on brain structure in patients with mild …

This study tested four theoretical models of leadership with data from the ethnographic
record. The first was a game-theoretical model of leadership in collective actions, in which …

In view of disease risk, Kong et al.(2012) demonstrated that most of the new mutations are
explained by the age of the father at conception. Accordingly, paternal age effects have …

Many animal species have complex cognitive abilities previously assumed to be limited to
humans. Explanations for how these abilities evolved have focused on ways in which …

This article presents a potential synthesis between the fitness indicator and life history
models of human intelligence through consideration of the phenomena of ability …

The Victorian era was marked by an explosion of innovation and genius, per capita rates of
which appear to have declined subsequently. The presence of dysgenic fertility for IQ …

This study examined whether associations between cognitive ability and mental health
(depression, anxiety, and psychological wellbeing) could be accounted for by different …