Comparative studies on brain asymmetry date back to the 19th century but then largely
disappeared due to the assumption that lateralization is uniquely human. Since the …

Emotions are valenced mental responses and associated physiological reactions that occur
spontaneously and automatically in response to internal or external stimuli, and can …

'How Emotions Are Made did what all great books do. It took a subject I thought I understood
and turned my understanding upside down'–Malcolm Gladwell, author of The Tipping Point …

The question of whether animals have emotions and respond to the emotional expressions
of others has become a focus of research in the last decade [1–9]. However, to date, no …

Simple Summary Communication takes place between members of the same species, as
well as between heterospecific individuals, such as the long co-habitation process and inter …

How individuals interact with their environment and respond to changes is a key area of
research in evolutionary biology. A physiological parameter that provides an instant proxy …

In the 2010s, significant progress has been made in several key areas of laterality research,
including neuroimaging, genetics and comparative research. In the present article, we …

Comparing the neural correlates of socio-cognitive skills across species provides insights
into the evolution of the social brain and has revealed face-and body-sensitive regions in the …

Facial expressions are considered sensitive indicators of emotional states in humans and
many animals. Identifying facial indicators of emotion is a major challenge and little …

In the present study we investigated the influence of positive and negative arousal situations
and the presence of an audience on dogs' behavioural displays and facial expressions. We …