Using the most well-studied behavioral analyses of animal subjects to promote a better
understanding of the effects of disease and the effects of new therapeutic treatments on …

Reactions to stress vary between individuals, and physiological and behavioral responses
tend to be associated in distinct suites of correlated traits, often termed stress-coping styles …

Stimulant addiction is often linked to excessive risk taking, sensation seeking, and
impulsivity, but in ways that are poorly understood. We report here that a form of impulsivity …

In rainbow trout the magnitude of the cortisol response to stress shows both consistency
over time and a moderate to high degree of heritability, and high responding (HR) and low …

Sensation-seeking (SS) is a personality trait that refers to individual differences in motivation
for intense and unusual sensory experiences. It describes a facet of human behaviour that …

To model aspects of trait anxiety/depression, Wistar rats were bred for extremes in either
hyper (HAB)-or hypo (LAB)-anxiety as measured on the elevated plus-maze and in a variety …

The Swiss sublines of Roman high-(RHA/Verh) and low-(RLA/Verh) avoidance rats have
been genetically selected for good vs. poor performance in two-way active avoidance since …

Psychiatric patients suffering from anxiety disorders or endogenous depression exhibit
increased activity in their hypothalamo‐pituitary‐adrenocortical (HPA) axis. Recently, two …

Previous work has shown that systematic individual differences between male Wistar rats
can be detected in tasks like the elevated plus-maze, or the open field. Here, we …

In the present study, male inbred animals (from the 10th generation of an inbreeding
program that has been carried out in parallel to that of the outbred Roman high-and low …