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PubMed2001

Preliminary study of altered skin temperature at body sites associated with self-injurious behavior in adults who have developmental disabilities.

In this study, the sensory status of 4 nonverbal adults with mental retardation and severe self-injury was examined using skin temperature measures prior to opiate antagonist treatment. Double-blind, placebo-controlled, experimental ABAB designs were used to evaluate the effects of naltrexone hydrochloride (1.5 mg/kg/day). For each participant, the body site targeted most frequently for self-injury was associated with altered skin temperature and reduced by naltrexone. In all cases, neither infrequent self-injury body sites nor non-self-injury body sites were associated with altered skin temperature. Further controlled studies are warranted to examine the value of assessing pain status and skin temperature in nonverbal patients with mental retardation and related developmental disabilities who present with tissue-damaging SIB.

Adult↗
PubMed1985

Rett's syndrome: a progressive developmental disability in girls.

Two girls are described who had normal physical and mental development during the first few months of life, documented on home movies in one. Gross motor development slowed during the second half of the first year followed by loss of acquired vocabulary and deterioration of fine motor skills. Linear growth and head growth decelerated. Stereotyped hand movements appeared around 2 to 3 years of age. Early appropriate social responses faded into a vacant stare. Neurological development was characterized by early hypotonia followed by ataxia and finally spasticity. One girl has been followed through adolescence. Additional symptoms in later childhood and adolescence included scoliosis, episodes of hyperpnea, vasomotor disturbances of the legs, and precocious puberty. The patients fit the criteria for a progressive neurological disorder called Rett's syndrome, which results in profound developmental disability and occurs only in girls. Etiology remains unknown.

Adolescent↗
PubMed1992

Self-injurious behavior in the developmentally disabled: pharmacologic treatment.

The current status of pharmacological treatments of self-injurious behavior (SIB) and aggression in persons with mental retardation and autism was reviewed in the literature. Much of the existing literature is derived from anecdotal clinical experience, with a relative lack of well-controlled studies to determine the efficacy of different treatments. Although all psychotropics have been used to manage SIB and aggression, particularly promising are the data on the use of opioid antagonists like naltrexone. Beta-blockers may also have some role, but more controlled, systematic studies are needed. Use of neuroleptics is on the decline because of their adverse effects, such as tardive dyskinesia and possible impairment of cognitive functions. We assert that the behavioral problems of SIB and aggression are at times manifestations of different psychiatric syndromes. They present in a modified, atypical form in the developmentally disabled population because of cognitive limitations. Further understanding and classification of the psychopathology associated with this behavior is essential for its successful treatment.

Humans↗
PubMed2000

Enhancing the quality of life of a client with severe developmental disabilities through the application of assistive technology. A case study.

This paper describes a structural sequential process aimed to enhance the quality of life of a 29 year old man through the application of assistive technology (AT). The client had life-long severe multiple disabilities, showed increasing fragility and decreasing functional abilities that resulted, among other problems, in a problem with toileting. The process involved a thorough assessment and evaluation of the client, his physical, cognitive and perceptual skills involved in the performance of the task, requirements of the task, the technology, and the task environment. A clinical reasoning model for the provision of AT was applied during the process to identify the functional deficits of the client with respect to the problematic task. The approach enabled a multidisciplinary team of university-affiliated professionals including physical and occupational therapists, an ergonomist, a rehabilitation engineer and care providers in an institution for developmentally disabled people to determine the primary attributes of a technological intervention. The process resulted in the selection of an appropriate piece of AT followed by its modification and adaptation in order to address the specific needs of the client. The client's toilet use was improved in a manner that ultimately contributed to enhancing the quality of his life. Projections for further improvements of the quality of life of the client in this institution were also discussed.

Journal Article↗
PubMed2006

Thought disorder: A developmental disability in pediatric epilepsy.

This study compared thought disorder (i.e., impaired use of language to formulate and organize thoughts) in 93 children with complex partial seizures (CPSs) and 56 children with primary generalized epilepsy with absence (PGE) and its relationship to age, seizure, cognitive, and linguistic variables. By the use of psychopathology, social competence, academic achievement, and school problem measures, the functional implications of thought disorder in these two groups were compared. When demographic variables were controlled for, there were no significant differences in thought disorder scores between the CPS and PGE groups. However, the profile of age, gender, seizure, and cognitive variables related to thought disorder differed in the CPS and PGE groups. Within each group, different aspects of thought disorder were associated with different seizure variables. Thought disorder was related to psychopathology, school problems, decreased academic achievement, and poor peer interaction in the CPS group, but with school problems in the PGE group. These findings suggest that CPS and PGE affect the normal maturation of children's discourse skills, albeit through different mechanisms. The relationship of thought disorder to behavioral, academic, and social problems implies that these discourse deficits are one component of the developmental disabilities or comorbidities associated with pediatric CPS and PGE.

Adolescent↗
PubMed1999

[Mechanisms for formation and maintenance of synapses mediated by biogenic amines: pathogenesis and therapy of mental retardation and developmental disabilities by genetic and epigenetic factors].

Fibers of the global projection system ramify tremendously and distribute in the diverse region of the brain. Biogenic amines in the global projection system have been shown to facilitate formation and maintenance of synapses in the developing and adult brain. In terms of serotonin 5-HT2A receptor was shown to mediate the function of serotonin. We raised specific antibodies against 5-HT2A receptor protein. Virtually all the neurons in the cerebral cortex expressed 5-HT2A receptor. By using the function of biogenic amines to facilitate synapse formation and maintenance a novel approach can be developed in the neuroscience. That is to perturb biogenic amines, to change synaptic density, and to examine changes in the ability of learning and memory. Removing serotonin and acetylcholine for a week, at the maximum 58% of synapses are decreased in the hippocampus. The animals losing synapses spent a longer latency compared to intact animals in Morris water maze. The level of biogenic amines in the developing brain has been known to decrease tremendously by genetic diseases such as phenylketonuria, Down syndrome and autism as well as environmental factors such as nutrition and stress. In those situations synapses in the brain are suggested to be decreased. Synaptic mechanism for mental retardation and developmental disability by the cascade appears to contribute for understanding pathophysiology and a new therapy.

Animals↗
PubMed2003

Treatment of previously undiagnosed psychiatric disorders in persons with developmental disabilities decreased or eliminated self-injurious behavior.

BACKGROUND: Self-injurious behavior (SIB) is one of the most common challenging behaviors in persons with autistic disorder or severe/profound mental retardation. Many psychotropic drugs have been evaluated for their effectiveness in SIB. Results have varied, and no one psychotropic drug has been indicated for SIB. In this prospective, open clinical study, psychotropic drugs were used to treat the previously undiagnosed psychiatric disorder in persons exhibiting SIB. METHOD: Data were collected from 26 individuals with mental retardation (14 males, 12 females), 7 to 45 years of age (mean = 30.3 years), who exhibited SIB. Psychiatric diagnosis was made according to DSM-III-R and DSM-IV criteria. The Behavior Problem Inventory, Yudofsky's Overt Aggression Scale, repeated direct observation, and information on use of protective devices and Likert scales from log books were used to evaluate degree of SIB. Most of the patients were treated with different psychotropic drugs and behavior modification before they were evaluated for this study, but only 7 of them carried a psychiatric diagnosis. Data were collected between 1987 and 1997. RESULTS: Depressive disorders, impulse-control disorder, and anxiety disorder were the most common final diagnoses. Neuroleptics were discontinued in 5 patients and tapered by 50% to 75% in 14 patients. Antidepressants were added in 12 patients. Treatment of psychiatric disorders produced significant (p < .001) decrease in the severity of SIB in the 26 patients, and SIB was eliminated in 12 patients. The severity of SIB decreased to mild from a moderate, severe, or extreme degree in 11 patients and from an extreme to a severe degree in 3 patients. CONCLUSION: The most effective treatment for SIB that is resistant to environment changes and behavior modification in persons with developmental disabilities is the treatment of their psychiatric disorders with the appropriate psychotropics.

Adolescent↗
PubMed1992

The Americans With Disabilities Act of 1990 expands employment opportunities for persons with developmental disabilities.

The primary purpose of the ADA is the full inclusion of persons with disabilities within their communities. The ADA prohibits discrimination on the basis of disability in the areas of employment, transportation, public accommodations, telecommunications, and state and local government agencies. The person described in this report encountered some of this discrimination. He successfully obtained paid community-integrated employment only after overcoming major obstacles and barriers, the greatest being transportation. In our highly mobile society, reliable transportation is essential for the acquisition and maintenance of community-integrated employment. The participant was repeatedly denied access to public transportation on the basis of his disability. To help overcome this barrier, Transition Services had to provide needed transportation at great expense, which delayed opportunities for the participant to gain control of this aspect of his life. Enactment of the ADA makes it more difficult for public transportation agencies to deny services to persons with disabilities by claiming inconvenience or lack of accessible vehicles. When publicly funded transportation programs assume their full responsibility for transportation to the public, agencies like Transition Services can focus on individualized employment and training issues rather than on providing transportation. In the workplace, the employer's willingness to work cooperatively with the participant and the staff of Transition Services resulted in several low-cost and reasonable accommodations based on the participant's needs and abilities. A simple rearrangement of work space allowed the participant to perform his job while benefiting the other workers in the crowded restaurant kitchen.(ABSTRACT TRUNCATED AT 250 WORDS)

Activities of Daily Living↗