Several studies in mammals, birds, and fish have documented better cognitive abilities
associated with an asymmetrical distribution of cognitive functions in the two halves of the …

Testing performance in controlled laboratory experiments is a powerful tool for
understanding the extent and evolution of cognitive abilities in non-human animals …

Animals show various behavioural, neural and physiological changes in response to losing
aggressive encounters. Here, we investigated affective state, which are emotion-like …

Animal species, including humans, display patterns of individual variability in cognition that
are difficult to explain. For instance, some individuals perform well in certain cognitive tasks …

Despite intense research efforts, biologists are still puzzled by the existence of animal
personality. While recent studies support a link between cognition and personality, the …

Individuals develop innovative behaviours to solve foraging challenges in the face of
changing environmental conditions. Little is known about how individuals differ in their …

In human psychological research, personality traits as well as cognitive traits are usually
validated for both, their stability over time and contexts. While stability over time gives an …

Goldfish (Carossius auratus) and Siamese fighting fish (Betta splendens) were compared for
learning ability in a dark-avoidance shuttle response with shock as the UCS. The goldfish …

Animal personalities range from individuals that are shy, cautious, and easily stressed (a
“reactive” personality type) to individuals that are bold, innovative, and quick to learn novel …

Cognitive abilities allow animals to navigate through complex, fluctuating environments. In
the present study, we tested the performance of a captive group of eight crows, Corvus …