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This chapter reviews the intervention research literature – particularly interventions deemed evidence-based – for students with intellectual disability across academic and life-skills instruction. Although the focus of this chapter is the spectrum of students covered under the term “intellectual disability,” the majority of research on evidence-based interventions for students with intellectual disability focus on students with more moderate and severe intellectual disability, rather than students with mild intellectual disability. The majority of the interventions determined to be evidence-based within the literature for students with intellectual disability – across both academic and life skills – tend to be those that fall within the purview of systematic instruction.

The purpose of this paper is to describe and discuss interventions of stabilisation of emotions and behaviour in adults with post-traumatic stress disorder (PTSD). This topic is understudied in persons with intellectual disability.

The aim of this study was to investigate interventions of stabilisation in persons with more severe intellectual disability; i.e. persons with moderate or severe intellectual disabilities. Five patients in a specialised psychiatric inpatient unit for patients with intellectual disabilities were included. Information about treatment of the patients was collected through case files, observations, and interviews. The authors of this paper followed a training programme for trauma therapists in addition to the inpatient treatment of the five patients.

Six main areas of stabilisation of emotions and behaviour were identified: validation, anxiety relief, treatment of depressed mood, increased mastering of daily activities, protection against anxiety triggers, and facilitated staff communication. Protection from anxiety triggers seems to be a core element of milieu therapy interventions. Interventions for neurotypical PTSD patients, such as exposure therapy may be contraindicated for patients with more severe intellectual disabilities.

Research on interventions of stabilisation towards adults with more severe intellectual disabilities is still in its infancy. The case reports may help milieu therapists to facilitate interventions towards patients with moderate or severe intellectual disabilities.

The purpose of this paper is to describe and discuss assessment of post-traumatic stress disorder (PTSD) in adults with intellectual disabilities. Existing research in this area encompasses case studies, and includes, for the most part, persons with mild intellectual disabilities.

The aim of this study is to investigate symptom presentation and subsequent identification of PTSD in persons with more severe intellectual disabilities; i.e. persons with moderate or severe intellectual disabilities. Five patients in a specialised psychiatric inpatient unit for patients with intellectual disabilities were included. Information about the patients was collected through case files and interviews with key informants: family, milieu therapists, and caregivers in community settings, and observations through inpatient admission. The authors of this paper followed a training programme for trauma therapists in addition to the inpatient treatment of the five patients. The five patients all met criteria for PTSD according to the Diagnostic Manual – Intellectual Disability.

Previously, it was not suspected that the five patients suffered from PTSD, although they had experienced terrifying incidents. All patients displayed severe changes in behaviour, which may have overshadowed symptoms of PTSD. PTSD in persons with more severe intellectual disabilities may be interpreted as challenging behaviour, or other psychiatric disorders such as psychosis.

The limitation of the study is the small number of participants.

Practical implication is linked to clinical practice related to identification of PTSD in persons with intellectual disabilities.

The paper may encourage more research into how PTSD can be identified in persons with moderate and severe intellectual disabilities. The case reports may help clinicians to look for traumatic experiences in persons with intellectual disabilities who have experienced terrifying incidents.

Students with an intellectual disability historically faced exclusion in both schools and in their communities. Through court cases, legislation, and parental advocacy, students with an intellectual disability were awarded the right to an education, and under the Individuals with Disabilities Education Act, an education in the least restrictive environment. This chapter explores the historical and current state of inclusion for students with an intellectual disability as well as the current and historical research base regarding inclusive educational placements for students with an intellectual disability. The chapter concludes with a discussion of the future of inclusive education for students with an intellectual disability.

This chapter sought to answer the following questions: (a) what does special education means for students with intellectual disability?, (b) what is being done, and (c) how do we maintain tradition? The answers, while complicated, suggest special education for students with intellectual disability historically and currently involves attention to what, how, and where, with the how being the key elements of special education for students with intellectual disability. This chapter discussed the what, how, and where for students with intellectual disability in a historical and current framework while also providing evidence-based practices for students with intellectual disability to implement to maintain the tradition of high-quality services.

The Netherlands is a country where much is regulated, and several departments have made rules, regulations, memoranda and even laws related to people with intellectual disabilities. Large organisations that offer different forms of support dominate the system of care and support. The policy on care for people with intellectual disabilities has, generally speaking, developed away from segregation and towards integration and inclusion. Changes have led to improvement for people with mild and moderate disabilities, although the process is slow. At the same time, the situation for people with profound and multiple disabilities has deteriorated. For a real change in the support system, client‐held budgets are believed to be of primary importance. However, this is still a slow development. This article describes the current organisation of care and support.

This article explores the nature of the classifications of learning disabilities as promulgated in the diagnostic manuals. By leaving aside all doubts and controversies that surround the concept and measurement of intellectual functioning, weaknesses are exposed from within those manuals' own frames of reference. The difficulties arising from using the international sub‐classifications of learning disabilities when the national classifications should apply are discussed.

Children and young people with an intellectual disability (referred to in this article as young people) have a higher incidence of mental illness and challenging behaviour than individuals without cognitive impairment. Inpatient assessment and treatment in a learning disability‐specific provision rather than mainstream inpatient child and adolescent mental health services (CAMHS) is most beneficial for those young people who experience a more severe intellectual disability or whose presenting complaint is challenging behaviour not associated with a co‐morbid mental illness. Assessment and treatment of this complex group of young people can only be successful if the services which manage them have access to a highly experienced and comprehensive multidisciplinary team. Admission is only worthwhile if recommendations that arise from the assessment can be transferred to the community and those involved in supporting the young person are motivated to work in collaboration with the inpatient team.

The purpose of the study was to examine whether there were differences in the provision of non-pharmacological interventions based on the level of intellectual disability and the presence or absence of autism. Mental health conditions are often underdiagnosed in adults with intellectual disability and do not always receive psychological interventions as recommended by the National Institute for Health and Care Excellent guidelines. To realise the national UK programme’s aim of stopping the overuse of medications in people with intellectual disability, it is important that these individuals have access to appropriate non-pharmacological interventions. The authors examined the relationship between an individual’s level of intellectual disability and the presence or absence of autism with access to relevant non-pharmacological interventions from specialist community intellectual disability services.

A cross-sectional study of adults accessing four specialist intellectual disability services in North West England in 2019.

There was a high prevalence of mental health comorbidity, even higher for autistic adults. However, a relatively small percentage of the study population was receiving psychological interventions. The most frequent non-pharmacological intervention was a positive behaviour support plan, irrespective of comorbid mental illnesses.

Not having access to psychological interventions for the treatment of mental illness could result in poor health outcomes and increasing health inequalities. The study highlights the need for developing psychological interventions, particularly for those with moderate to severe intellectual disability and for those with associated autism.

This large sample study examined the relationship between intellectual disability level and the presence of autism with accessing psychological interventions.

Studies on intellectual disabilities describe difficulties at the cognitive level but little about the other factors that can impact the individual’s performance. The aim of this research was thus to assess the effects of the socio-emotional context on the performance of adults with intellectual disabilities in a cognitive task. The main hypothesis was that people with intellectual disabilities will not have the cognitive ability to see the socioemotional environment as a potential resource, and that they could not use it to mobilize their cognitive resources to try and improve their performance and adopt more positive behavior.

A total of 32 people with moderate to severe intellectual disabilities were recruited. They performed a categorization task and were then given their results. Throughout the test, the psychologist observed the participants’ behavior and, more specifically, their emotional expressions, their pro-social behavior and their respect for social rules.

The results support the hypotheses, with better performance among participants who adopted pro-social behaviors, respected the rules and displayed positive emotional expressions. These results highlight the central role played by others in the ability of adults with intellectual disabilities to adapt to a given situation.

This study was conducted by a psychologist, which could have biased the relationship with the participants. A complementary study is in progress to measure the effects.

These findings have implications for cognitive remediation tasks aimed at mobilizing the cognitive resources of adults with intellectual disabilities.

To the best of the authors’ knowledge, this is the only study to evaluate the role of the socio-emotional environment on the performance of adults with intellectual disabilities.