Stereotyped movements are described in monkeys and humans and are classified as
arising from constraint, sensory deprivation in infancy, amphetamine treatment or psychotic …

Weiner introduces--and offers his own motivation for producing--this most impressive work
with the following: There are two distinct approaches to the study of motivation. One …

How do human emotions arise, what functions do they serve, what is their evolutionary
background, how do they relate to behaviour and the brain? These questions are put, and …

Displacement activities are behaviour patterns (mostly body care activities) characterized by
their apparent irrelevance to the situation in which they appear. Scratching, autogrooming …

Wolves excitedly greet each other as members of the pack come together; a bumble bee
uses its long tongue to reach the nectar at the base of a foxglove flower; a mongoose swiftly …

Psychogenic polydipsia is related to midrange food consummatory rate reinforcement
schedules. It is only slightly reduced by presession administered large water loads. It varies …

In order to improve well-being of dogs during veterinary visits, we aimed to investigate the
effect of human social interactions on behavior and physiology during routine examination …

Behavioural, pharmacological, and physiological evidence supports an association between
displacement activities and anxiety in macaques. Information is scarce in other primate and …

Appeasement signals are behavioural patterns displaying an animal's non-aggressive
attitude and are hypothesized to reduce the aggressive behaviours in the receiver. In …

A series of important theoretical contributions flourished in the years 1950–1970 about
displacement activities—those 'out-of-context'actions expressed by organisms in stressful …