Types of challenging behaviour
Common types of challenging behaviour include self-injurious behaviour (such as hitting, headbutting, biting), aggressive behaviour (such as hitting others, screaming, spitting, kicking), inappropriate sexualised behaviour (such as public masturbation or groping), behaviour directed at property (such as throwing objects and stealing) and stereotyped behaviours (such as repetitive rocking, echolalia or elective incontinence).
Causes of challenging behaviour
Challenging behaviour may be caused by a number of factors, including biological (pain, medication, the need for sensory stimulation), social (boredom, seeking social interaction, the need for an element of control, lack of knowledge of community norms, insensitivity of staff and services to the person's wishes and needs), environmental (physical aspects such as noise and lighting, or gaining access to preferred objects or activities), psychological (feeling excluded, lonely, devalued, labelled, disempowered, living up to people's negative expectations) or simply a means of communication. A lot of the time, challenging behaviour is learned and brings rewards and it is very often possible to teach people new behaviours to achieve the same aims.
Experience and research suggests that what professionals call "challenging behaviour" is often a reaction to the challenging environments that service users or others create and a method of communicating dissatisfaction with the failure of services or others to listen for what kind of life makes most sense to the person, especially where services or others create lifestyles and relationships that are centred on what suits them or the service and its staff rather than what suits the person.
A common principle in behaviour management is looking for the message an individual is communicating through their challenging behaviour: "All behaviour has meaning". This is a core in the functional analysis (psychology) process.
 Behaviour response cycle
Challenging behaviours may be viewed as occurring in a cycle:
• Trigger
• Escalation
• Crisis
• Recovery
Analysis of this cycle provides a foundation for using a variety of strategies to minimise the triggers of challenging behaviour, teach more appropriate behaviours in response to these triggers, or provide consequences to the challenging behaviour that will encourage a more appropriate response. Behavioural strategies such as Applied Behaviour Analysis, operant conditioning and positive behaviour support use similar approaches to analysing and responding to challenging behaviours.