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1.
Nurs Child Young People ; 33(3): 25-32, 2021 May 06.
Artigo em Inglês | MEDLINE | ID: mdl-33191688

RESUMO

Self-harm, where an individual purposefully harms themselves with a non-fatal outcome, is common, especially among young people. A wide range of mental health issues are associated with self-harm and it increases the likelihood that the person will eventually die by suicide. This article explores the motivations for self-harming behaviours, risk and protective factors, the components of risk assessment and potential interventions. Self-harm can be associated with stigma and discrimination in society and in healthcare services. This article aims to support healthcare practitioners in providing non-judgemental, empathetic and respectful care to these young people and their families and carers.


Assuntos
Medição de Risco/métodos , Comportamento Autodestrutivo/psicologia , Comportamento Autodestrutivo/terapia , Adolescente , Comportamento do Adolescente/psicologia , Feminino , Humanos , Masculino , Motivação , Fatores de Proteção , Fatores de Risco , Comportamento Autodestrutivo/complicações , Resultado do Tratamento , Reino Unido
2.
J Pediatr Surg ; 54(5): 968-974, 2019 May.
Artigo em Inglês | MEDLINE | ID: mdl-30826118

RESUMO

PURPOSE: Given limited resources, it is essential to determine which Mechanisms of Injury (MOIs) to prioritize for injury prevention policy and research. We developed objective, evidence-based Injury Prevention Priority Scores (IPPSs) for Canadian children across three prevention perspectives: mortality, injury severity, and resource utilization. METHODS: We performed a retrospective cohort study of all injuries in Canada in individuals aged 0 to 19 years old from 2009 to 2014. For each MOI, an IPPS was calculated as a balanced measure of frequency and either mortality rate, median ICD-10 derived Injury Severity Score (ICISS), or median cost per hospitalization. RESULTS: Of 87,017 injuries, 83,112 were nonfatal hospitalizations, and 3905 were deaths. Overall mortality rate was 0.04 deaths/injury, median ICISS was 0.994 (IQR 0.75-0.996), and median cost per hospitalization was CAD$3262 (IQR $2118-$5001). The top three mechanisms were falls (IPPS 72), intentional self-harm (IPPS 68), and drowning (IPPS 65) for mortality, falls (IPPS73), drowning (IPPS 61), and suffocation (IPPS 61) for injury severity and falls (IPPS 70), fires (IPPS 65), and intentional self-harm (IPPS 60) for resource utilization. CONCLUSION: Falls, if prevented, would provide the most benefit to the largest proportion of the Canadian pediatric population and should be targeted for injury prevention. LEVEL OF EVIDENCE: Level III.


Assuntos
Custos de Cuidados de Saúde/estatística & dados numéricos , Conhecimentos, Atitudes e Prática em Saúde , Recursos em Saúde/estatística & dados numéricos , Ferimentos e Lesões/etiologia , Ferimentos e Lesões/mortalidade , Acidentes por Quedas/mortalidade , Acidentes por Quedas/estatística & dados numéricos , Adolescente , Asfixia/mortalidade , Canadá/epidemiologia , Criança , Pré-Escolar , Afogamento/mortalidade , Incêndios/estatística & dados numéricos , Hospitalização/economia , Humanos , Lactente , Recém-Nascido , Escala de Gravidade do Ferimento , Estudos Retrospectivos , Comportamento Autodestrutivo/complicações , Comportamento Autodestrutivo/epidemiologia , Ferimentos e Lesões/economia , Ferimentos e Lesões/prevenção & controle , Adulto Jovem
3.
Autism ; 23(6): 1431-1441, 2019 08.
Artigo em Inglês | MEDLINE | ID: mdl-30497279

RESUMO

Autistic people are at high risk of mental health problems, self-injury and suicidality. However, no studies have explored autistic peoples' experiences of treatment and support for these difficulties. In partnership with a steering group of autistic adults, an online survey was developed to explore these individuals' experiences of treatment and support for mental health problems, self-injury and suicidality for the first time. A total of 200 autistic adults (122 females, 77 males and 1 unreported) aged 18-67 (mean = 38.9 years, standard deviation = 11.5), without co-occurring intellectual disability, completed the online survey. Thematic analysis of open-ended questions resulted in an overarching theme that individually tailored treatment and support was both beneficial and desirable, which consisted of three underlying themes: (1) difficulties in accessing treatment and support; (2) lack of understanding and knowledge of autistic people with co-occurring mental health difficulties and (3) appropriate treatment and support, or lack of, impacted autistic people's well-being and likelihood of seeing suicide as their future. Findings demonstrate an urgent need for autism treatment pathways in mental health services.


Assuntos
Transtorno Autístico/complicações , Transtornos Mentais/terapia , Comportamento Autodestrutivo/terapia , Ideação Suicida , Adolescente , Adulto , Idoso , Transtorno Autístico/psicologia , Transtorno Autístico/terapia , Feminino , Acessibilidade aos Serviços de Saúde , Humanos , Masculino , Transtornos Mentais/complicações , Transtornos Mentais/psicologia , Pessoa de Meia-Idade , Comportamento Autodestrutivo/complicações , Comportamento Autodestrutivo/psicologia , Inquéritos e Questionários , Adulto Jovem
4.
Personal Disord ; 8(4): 357-365, 2017 10.
Artigo em Inglês | MEDLINE | ID: mdl-27505188

RESUMO

Nonsuicidal self-injury (NSSI) is highly prevalent among individuals with borderline personality disorder (BPD). The aim of this study was to investigate the cognitive, emotional, and contextual experience of NSSI in 107 youth (aged 15-25 years) with BPD who had minimal prior exposure to treatment. Using ecological momentary assessment, participants completed a randomly prompted questionnaire about their affect, self-injurious thoughts, and behaviors six times per day for 6 days. Twenty-four youth with BPD engaged in 52 counts of NSSI, with 56 motives identified. Open-ended questions revealed that on occasions of NSSI, a large minority of participants could identify neither their motives (27%, n = 15) nor the environmental precipitants (46%, n = 24) for NSSI. Changes in affect revealed a pattern of increasing negative and decreasing positive affect prior to NSSI, with a reduction in negative and an increase in positive affect following NSSI. These changes were absent for those who did not engage in NSSI. Initial self-injurious thoughts and changes in negative and positive affect occurred a median of 35, 15, and 10 hr prior to NSSI, respectively. These findings suggest that youth with BPD have limited capacity to reflect on their motives and environment preceding NSSI. The patterns of affect change indicate that NSSI is maintained by reward incentives as well as negative reinforcement. The time between initial self-injurious thoughts and engagement in NSSI reveals a window of opportunity for intervention. (PsycINFO Database Record


Assuntos
Afeto/fisiologia , Transtorno da Personalidade Borderline/psicologia , Comportamento Autodestrutivo/psicologia , Adolescente , Adulto , Transtorno da Personalidade Borderline/complicações , Avaliação Momentânea Ecológica , Feminino , Humanos , Masculino , Comportamento Autodestrutivo/complicações , Adulto Jovem
5.
J Autism Dev Disord ; 45(6): 1541-68, 2015 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-25395094

RESUMO

The objective of this review is to consider the psychological (largely behavioral) and biological [neurochemical, medical (including genetic), and pharmacological] theories and approaches that contribute to current thinking about the etiology and treatment of self-injurious behavior (SIB) in individuals with autism spectrum disorder and/or intellectual disability. Algorithms for the assessment and treatment of SIB in this context, respectively, from a multidisciplinary, integrative perspective are proposed and challenges and opportunities that exist in clinical and research settings are discussed.


Assuntos
Transtorno do Espectro Autista/psicologia , Deficiência Intelectual/psicologia , Modelos Biológicos , Teoria Psicológica , Comportamento Autodestrutivo/diagnóstico , Transtorno do Espectro Autista/complicações , Transtorno do Espectro Autista/diagnóstico , Terapia Comportamental , Humanos , Deficiência Intelectual/complicações , Deficiência Intelectual/diagnóstico , Psicotrópicos/uso terapêutico , Comportamento Autodestrutivo/complicações , Comportamento Autodestrutivo/tratamento farmacológico , Comportamento Autodestrutivo/terapia
6.
JAMA Ophthalmol ; 132(6): 730-6, 2014 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-24676273

RESUMO

IMPORTANCE: Suicides and attempted suicides are major public health issues in the United States and around the world. Self-inflicted gunshot wounds (SIGSWs) are a common method of attempting suicide, the head being the most commonly injured body region; however, the literature lacks an overview of the orbital and ocular injuries as well as outcomes associated with SIGSWs. OBJECTIVES: To characterize the ocular and orbital injuries and outcomes of patients presenting with SIGSWs and to examine the cost associated with these injuries. DESIGN, SETTING, AND PARTICIPANTS: Retrospective medical record review was performed of all patients who presented to the University of Iowa Hospitals and Clinics between 2003 to 2013 with the admitting diagnosis of self-inflicted injuries via firearms. Patients with no periorbital or ocular injuries and/or those who did not survive for at least 2 months following the incident were excluded. MAIN OUTCOMES AND MEASURES: Ocular injuries and outcomes and health care costs and reimbursements, which were generated by a financial report obtained from the hospital finance department that included data from both the hospital billing and cost accounting systems. RESULTS: All patients in this study (n = 18) were men with a mean age of 47.2 years. Eight patients (44.4%) displayed submental missile entry points, 7 (38.9%) displayed intraoral entry points, and 3 (16.7%) displayed pericranial entry points. Patients with pericranial entries sustained more severe ocular injuries and had poorer ocular outcomes. Seven patients (38.9%) were found at final follow-up to have visual acuity of 20/40 or better in each eye and all showed missile trajectories in the sagittal plane. The mean cost of treatment of these patients totaled $117,338 while the mean reimbursement amount was $124,388. CONCLUSIONS AND RELEVANCE: Data regarding ocular injuries and outcomes may assist ophthalmologists in the treatment of patients with SIGSWs in the future. Many patients had extremely functional vision at final follow-ups, which highlights the importance of specialists conducting examinations and reconstructive procedures promptly, carefully, and thoroughly. Cost and reimbursement data suggest that while these cases place a large financial burden on society, they may not burden hospital systems in the same way.


Assuntos
Traumatismos Craniocerebrais/economia , Traumatismos Oculares/economia , Custos de Cuidados de Saúde , Comportamento Autodestrutivo/complicações , Ferimentos por Arma de Fogo/economia , Centros Médicos Acadêmicos , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Traumatismos Craniocerebrais/diagnóstico , Traumatismos Craniocerebrais/etiologia , Bases de Dados Factuais , Traumatismos Oculares/diagnóstico , Traumatismos Oculares/etiologia , Humanos , Escala de Gravidade do Ferimento , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Comportamento Autodestrutivo/psicologia , Suicídio/estatística & dados numéricos , Tentativa de Suicídio/psicologia , Tentativa de Suicídio/estatística & dados numéricos , Sobreviventes , Resultado do Tratamento , Estados Unidos , Ferimentos por Arma de Fogo/complicações , Ferimentos por Arma de Fogo/psicologia , Adulto Jovem
8.
Psychother Psychosom ; 81(6): 356-65, 2012.
Artigo em Inglês | MEDLINE | ID: mdl-22964561

RESUMO

BACKGROUND: A primary goal of dialectical behaviour therapy (DBT) is to reduce self-harm, but findings from empirical studies are inconclusive. The aim of this study was to assess the effectiveness and cost-effectiveness of DBT in reducing self-harm in patients with personality disorder. METHODS: Participants with a personality disorder and at least 5 days of self-harm in the previous year were randomised to receive 12 months of either DBT or treatment as usual (TAU). The primary outcome was the frequency of days with self-harm; secondary outcomes included borderline personality disorder symptoms, general psychiatric symptoms, subjective quality of life, and costs of care. RESULTS: Forty patients each were randomised to DBT and TAU. In an intention-to-treat analysis, there was a statistically significant treatment by time interaction for self-harm (incidence rate ratio 0.91, 95% CI 0.89-0.92, p < 0.001). For every 2 months spent in DBT, the risk of self-harm decreased by 9% relative to TAU. There was no evidence of differences on any secondary outcomes. The economic analysis revealed a total cost of a mean of 5,685 GBP (6,786 EUR) in DBT compared to a mean of 3,754 GBP (4,481 EUR) in TAU, but the difference was not significant (95% CI -603 to 4,599 GBP). Forty-eight per cent of patients completed DBT. They had a greater reduction in self-harm compared to dropouts (incidence rate ratio 0.78, 95% CI 0.76-0.80, p < 0.001). CONCLUSIONS: DBT can be effective in reducing self-harm in patients with personality disorder, possibly incurring higher total treatment costs. The effect is stronger in those who complete treatment. Future research should explore how to improve treatment adherence.


Assuntos
Terapia Comportamental , Transtornos da Personalidade/terapia , Comportamento Autodestrutivo/terapia , Adulto , Terapia Comportamental/economia , Terapia Comportamental/métodos , Transtorno da Personalidade Borderline/complicações , Transtorno da Personalidade Borderline/terapia , Análise Custo-Benefício , Custos e Análise de Custo , Feminino , Humanos , Masculino , Transtornos da Personalidade/complicações , Comportamento Autodestrutivo/complicações , Resultado do Tratamento
9.
Aust N Z J Psychiatry ; 45(5): 376-83, 2011 May.
Artigo em Inglês | MEDLINE | ID: mdl-21361850

RESUMO

OBJECTIVE: To describe the sexual attractions of New Zealand secondary school students and investigate the associations between sexual attraction and self-reported depression, self-harm, suicidality and help-seeking behaviour. METHOD: Multiple logistic regression was used to examine the associations between sexual attraction and depressive symptoms, suicidality, self-harming and help-seeking behaviours in a nationally representative secondary school health and well-being survey, undertaken in 2007. RESULTS: Of the students surveyed, 92% were attracted to the opposite sex, 1% to the same sex, 3% to both sexes, 2% were not sure and 2% were attracted to neither sex. Students who were attracted to the same or to both sexes consistently had higher prevalence estimates of depression (p = < 0.0001), suicidality (p = < 0.0001) and self-harming (p = < 0.0001). Odds ratios were highest for students who reported they were attracted to both sexes for depressive symptoms (OR 3.7, 95%CI 2.8-4.7), self-harm (OR 5.8, 95%CI 4.4-7.6) and attempted suicide (OR 7.0, 95%CI 5.2-9.4). Students not exclusively attracted to the opposite sex were more likely to report having seen a health professional for an emotional worry and were more likely to have difficulty accessing help for emotional concerns. CONCLUSIONS: The study findings highlight significant mental health disparities faced by students attracted to the same or both sexes, with those attracted to both sexes appearing particularly vulnerable. There is a vital need to ensure primary care and mental health services have the capacity and capability to screen and provide appropriate responsive care for youth who are attracted to the same or both sexes.


Assuntos
Depressão/psicologia , Comportamento Autodestrutivo/psicologia , Comportamento Sexual/psicologia , Estudantes/psicologia , Tentativa de Suicídio/psicologia , Adolescente , Criança , Depressão/complicações , Feminino , Inquéritos Epidemiológicos , Humanos , Masculino , Nova Zelândia , Razão de Chances , Aceitação pelo Paciente de Cuidados de Saúde , Instituições Acadêmicas , Comportamento Autodestrutivo/complicações , Comportamento Sexual/estatística & dados numéricos , Tentativa de Suicídio/estatística & dados numéricos
10.
Behav Res Ther ; 49(1): 4-10, 2011 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-20970117

RESUMO

Randomised controlled studies in research environments have demonstrated dialectical behaviour therapy (DBT) to be more efficacious than treatment as usual in reducing suicidal behaviour in patients with borderline personality disorder (BPD). Limited evidence exists for the effectiveness of DBT in the treatment of BPD within routine clinical settings. This study examines the clinical and cost effectiveness of providing DBT over treatment as usual in a routine Australian public mental health service. Forty-three adult patients with BPD were provided with outpatient DBT for six months with patient outcomes compared to those obtained from patients in a wait list group receiving treatment as usual (TAU) from the same service. After six months of treatment the DBT group showed significantly greater reductions in suicidal/non-suicidal self-injury, emergency department visits, psychiatric admissions and bed days. Self-report measures were administered to a reduced sample of patients. With this group, DBT patients demonstrated significantly improved depression, anxiety and general symptom severity scores compared to TAU at six months. Average treatment costs were significantly lower for those patients in DBT than those receiving TAU. Therapists who received intensive DBT training were shown to produce significantly greater improvements in patients' suicidal and non-suicidal self-injury than therapists who received only 4 day basic training. Further clinical improvements were achieved in patients offered an additional six months of DBT. This study demonstrates that providing DBT to patients within routine public mental health settings can be both clinically effective and cost effective.


Assuntos
Transtorno da Personalidade Borderline/terapia , Terapia Cognitivo-Comportamental/métodos , Transtornos Mentais/terapia , Comportamento Autodestrutivo/terapia , Adolescente , Adulto , Austrália , Transtorno da Personalidade Borderline/complicações , Transtorno da Personalidade Borderline/economia , Terapia Cognitivo-Comportamental/economia , Feminino , Custos de Cuidados de Saúde/estatística & dados numéricos , Humanos , Masculino , Transtornos Mentais/complicações , Transtornos Mentais/economia , Serviços de Saúde Mental/economia , Pessoa de Meia-Idade , Escalas de Graduação Psiquiátrica , Autorrelato , Comportamento Autodestrutivo/complicações , Comportamento Autodestrutivo/economia , Índice de Gravidade de Doença
11.
J Am Coll Health ; 56(5): 491-8, 2008.
Artigo em Inglês | MEDLINE | ID: mdl-18400660

RESUMO

OBJECTIVE: The authors' purpose in this research was to establish estimates of the prevalence and correlates of nonsuicidal self-injury among university students. PARTICIPANTS: The authors recruited participants (N = 2,843) from a random sample of 5,021 undergraduate and graduate students attending a large midwestern public university. METHODS: Using an Internet-based survey, the authors measured the prevalence of self-injury and potential risk factors, including depression, anxiety, eating disorders, suicidal thoughts, and negative health behaviors. RESULTS: Seven percent of students reported any self-injury over the previous 4 weeks. Factors associated with a significantly higher likelihood (p <.05) of self-injury included cigarette smoking, concurrent depressive and anxiety disorders, and for men, growing up in a family of low socioeconomic status and having symptoms of eating disorders. Only 26% of those who reported self-injury received mental health therapy or medication in the previous year. CONCLUSIONS: Students who harm themselves experience high anxiety and distress, yet are unlikely to seek help.


Assuntos
Comportamento Autodestrutivo/epidemiologia , Comportamento Autodestrutivo/psicologia , Estudantes/psicologia , Estudantes/estatística & dados numéricos , Universidades , Feminino , Comportamentos Relacionados com a Saúde , Humanos , Masculino , Saúde Mental/estatística & dados numéricos , Serviços de Saúde Mental/estatística & dados numéricos , Prevalência , Fatores de Risco , Comportamento Autodestrutivo/complicações , Fatores Socioeconômicos , Transtornos Relacionados ao Uso de Substâncias/complicações , Transtornos Relacionados ao Uso de Substâncias/psicologia
14.
J Appl Behav Anal ; 37(1): 73-7, 2004.
Artigo em Inglês | MEDLINE | ID: mdl-15154217

RESUMO

We evaluated the effects of systematic application and removal of protective equipment on three topographies of self-injurious behavior (SIB) exhibited by a girl who had been diagnosed with autism. Results showed that when protective equipment was applied, SIB decreased to near-zero levels. In addition, withdrawal of protective equipment for specific topographies of SIB (by removing only the corresponding padding) increased rates of SIB only for that topography of SIB. Next, a functional analysis of hand SIB showed that protective equipment suppressed this behavior in all conditions and that the behavior was maintained by automatic reinforcement when padding was removed. Results are discussed in terms of sensory extinction as a possible mechanism responsible for response suppression.


Assuntos
Equipamentos de Proteção , Comportamento Autodestrutivo/prevenção & controle , Transtorno Autístico/complicações , Transtorno Autístico/psicologia , Criança , Feminino , Humanos , Periodicidade , Reforço Psicológico , Comportamento Autodestrutivo/complicações
15.
Aust Health Rev ; 24(2): 143-51, 2001.
Artigo em Inglês | MEDLINE | ID: mdl-11496456

RESUMO

Repeat Deliberate Self Harm is a recognised risk factor for completed suicide and therefore reduction by effective health service response represents a valid contribution to suicide prevention. However, only a small fraction of people with deliberate self harm presentations to general health settings actually reach specialist mental health follow-up appointments. Therefore, even if responses at that point are known to be effective they do not make a significant contribution to reducing repeat self-harm overall. We describe health system organisational change strategies to improve health service engagement for the target group, and present data demonstrating the effectiveness of these strategies.


Assuntos
Psiquiatria do Adolescente/organização & administração , Serviços de Saúde Mental/normas , Inovação Organizacional , Comportamento Autodestrutivo/terapia , Prevenção do Suicídio , Gestão da Qualidade Total/organização & administração , Adolescente , Psiquiatria do Adolescente/normas , Continuidade da Assistência ao Paciente/organização & administração , Medicina Baseada em Evidências , Feminino , Humanos , Masculino , Serviços de Saúde Mental/organização & administração , New South Wales , Projetos Piloto , Avaliação de Programas e Projetos de Saúde , Fatores de Risco , Comportamento Autodestrutivo/complicações , Suicídio/psicologia
16.
J Appl Behav Anal ; 33(2): 207-21, 2000.
Artigo em Inglês | MEDLINE | ID: mdl-10885528

RESUMO

Recent research findings suggest that idiosyncratic variables can influence the outcomes of functional analyses (E. G. Carr, Yarbrough, & Langdon, 1997). In the present study, we examined idiosyncratic environment-behavior relations more precisely after identifying stimuli (i.e., a particular toy and social interaction) associated with increased levels of problem behavior. Two children, an 8-year-old boy with moderate mental retardation and a 5-year-old boy with no developmental delays, participated. Results of functional analyses for both children indicated that idiosyncratic antecedent stimuli set the occasion for occurrences of problem behavior (hand biting or hand flapping) and that problem behavior persisted in the absence of social contingencies. Further analyses were conducted to identify specific components of the stimuli that occasioned problem behavior. Treatments based on results of the analyses successfully reduced self-injury and hand flapping.


Assuntos
Comportamento Autodestrutivo/prevenção & controle , Atenção/fisiologia , Terapia Comportamental , Pré-Escolar , Deficiências do Desenvolvimento/complicações , Humanos , Masculino , Jogos e Brinquedos , Reforço Psicológico , Reprodutibilidade dos Testes , Comportamento Autodestrutivo/complicações
17.
Dev Med Child Neurol ; 39(6): 414-8, 1997 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-9233368

RESUMO

Sleep problems are a common concern for persons with mental retardation and severe behavior problems, yet few empirically validated treatment options exist. In the current investigation, the efficacy of a faded bedtime with response cost treatment was compared with a bedtime scheduling procedure in treating the multiple sleep problems of two groups of children with mental retardation, sleep problems, and other severe behavior problems. Faded bedtime with response cost (FBRC) consisted of systematic delay of bedtime, removal from bed if sleep was not initiated within 15 minutes (response cost), and a fading procedure to gradually advance the bedtime. The bedtime scheduling procedure consisted of a consistent sleep and wake time and prevention of daytime sleep. The sleep of children in the FBRC group improved significantly more than the sleep of children in the bedtime scheduling group. Results are discussed in terms of behavioral and biological mechanisms which may contribute to the efficacy of FBRC.


Assuntos
Deficiência Intelectual/complicações , Transtornos do Sono-Vigília/complicações , Transtornos do Sono-Vigília/terapia , Criança , Pré-Escolar , Humanos , Comportamento Autodestrutivo/complicações , Índice de Gravidade de Doença , Vigília
18.
J Appl Behav Anal ; 27(4): 715-28, 1994.
Artigo em Inglês | MEDLINE | ID: mdl-7844059

RESUMO

Certain responses of both humans and nonhumans appear to be maintained indirectly by intermittent reinforcement schedules and have been referred to collectively as adjunctive behavior. Although basic research has examined adjunctive behavior extensively, relatively few studies have been conducted with humans, particularly those with developmental disabilities who often engage in frequent and varied stereotypic behavior. This study assessed possible adjunctive characteristics of self-injurious and stereotypic behaviors using a multielement design containing two types of control conditions. Four subjects who engaged in both self-injurious behavior and stereotypy participated after variables maintaining their self-injury were identified via functional analyses. Each day, subjects were exposed to three 15-min sessions in random order: (a) noncontingent presentation of food on a fixed-time schedule (e.g., FT 30 s), (b) a massed-reinforcement (food) control, and (c) a no-reinforcement control. A variety of fixed-time schedules were examined during different experimental phases. Results of this preliminary study suggested that self-injury was not induced by intermittent reinforcement schedules, whereas the stereotypic behavior of some individuals showed characteristics of adjunctive behavior. The importance of research on adjunctive behavior and suggestions for future studies are discussed.


Assuntos
Esquema de Reforço , Reforço Psicológico , Comportamento Autodestrutivo , Comportamento Estereotipado , Adulto , Feminino , Humanos , Deficiência Intelectual/complicações , Masculino , Tempo de Reação , Comportamento Autodestrutivo/complicações
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