Bimodal shape of individual variation in behavior of Wistar rats: the overall outcome of a fundamentally different make-up and reactivity of the brain, the endocrinological and the immunological system.

An overview of the most important features of the two distinct types of individuals which normally co-occur in an unselected population of Wistar rats is given. It reveals that the overall make-up and reactivity of the brain, as well as the endocrinological and immunological systems differ completely between the two types of individuals. Each of these types… CONTINUE READING