BACKGROUND Aggressive and violent behaviour of inpatients in mental health facilities disrupts the therapeutic alliance and hampers treatment. OBJECTIVES The aim of the study was to describe patients' perceptions of the possible environmental and staff factors that might contribute to their aggressive and violent behaviour after admission to a mental health facility; and to propose strategies...

Excessive aggression is a common behaviour problem in dogs that can have various destructive effects on the affected people and the implicated dog. Aggressive behaviour directed towards the owner or other family members is one of the most frequently occurring aggressive phenotypes. Here, we examine the reliability of a short questionnaire assessing aggressive behaviours by two, contextually dif...

This paper aims to characterise the aggressive behaviour of great apes: the orang‐utan, the gorilla, the chimpanzee and the bonobo. We start by discussing the lack of consensual definitions for terms such as violence, aggression and ago‐ nistic behaviour. Secondly, we describe the evidence of aggression in each species. Finally we describe several referential models developed to explain the way...