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1.
Dev Psychobiol ; 66(3): e22477, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38433461

RESUMO

Response inhibition difficulties are reported in individuals with eating disorders (EDs), anxiety, and depression. Although ED symptoms and internalizing symptoms co-occur in preadolescence, there is limited research examining associations between these symptoms and response inhibition in this age group. This study is the first to investigate the associations between behavioral and neural markers of response inhibition, disordered eating (DE), and internalizing symptoms in a community sample of preadolescents. Forty-eight children (M age = 10.95 years, 56.3% male) completed a Go/NoGo task, whereas electroencephalography was recorded. Self-report measures of DE and internalizing symptoms were collected. Higher levels of anxiety and depression were associated with neural markers of suboptimal response inhibition (attenuated P3NoGo amplitudes) in preadolescence. In contrast, higher levels of depression were associated with greater response inhibition at a behavioral level. These findings suggest internalizing symptoms in preadolescence are associated with P3-indexed difficulties in evaluation and monitoring, but these are not sufficient to disrupt behavioral performance on a response inhibition task. This pattern may reflect engagement of compensatory processes to support task performance. DE was not significantly associated with response inhibition, suggesting that difficulties in response inhibition may only be reliably observed in more chronic and severe DE and ED presentations.


Assuntos
Ansiedade , Transtornos da Alimentação e da Ingestão de Alimentos , Criança , Masculino , Humanos , Feminino , Transtornos de Ansiedade , Eletroencefalografia
2.
Eur J Neurosci ; 2023 Sep 20.
Artigo em Inglês | MEDLINE | ID: mdl-37731194

RESUMO

Doll play may provide opportunities for children to rehearse social interactions, even when playing alone. Previous research has found that the posterior superior temporal sulcus (pSTS) was more engaged when children played with dolls alone, compared to playing with tablet games alone. Children's use of internal state language (ISL) about others was also associated with pSTS activity. As differences in social cognition are frequently observed in autistic people, we were interested in the brain and language correlates of doll play in children with varying levels of autistic traits. We investigated children's (N = 57, mean age = 6.72, SD = 1.53) use of ISL and their pSTS brain activity using functional near-infrared spectroscopy (fNIRS) as they played with dolls and tablet games, both alone and with a social partner. We also investigated whether there were any effects of autistic traits using the parent-report Autism Spectrum Quotient-Children's Version (AQ-Child). We found that the left pSTS was engaged more as children played with dolls or a tablet with a partner, and when playing with dolls alone, compared to when playing with a tablet alone. Relations between language and neural correlates of social processing were distinct based on the degree of autistic traits. For children with fewer autistic traits, greater pSTS activity was associated with using ISL about others. For children with more autistic traits, greater pSTS activity was associated with experimenter talk during solo play. These divergent pathways highlight the importance of embracing neurodiversity in children's play patterns to best support their development through play.

3.
J Exp Child Psychol ; 232: 105669, 2023 08.
Artigo em Inglês | MEDLINE | ID: mdl-36996749

RESUMO

Interpersonal synchrony (IPS) is the temporal coordination of behavior during social interactions. IPS acts as a social cue signifying affiliation both when children witness IPS between others and when they experience it themselves. However, it is unclear which temporal qualities of IPS produce these effects and why. We hypothesized that both the simultaneity and temporal regularity of partners' actions would influence affiliation judgments and that subjective perceptions of IPS ("togetherness") would play a role in mediating these relations. In two online tasks, children aged 4 to 11 years listened to a pair of children tapping (witnessed IPS; n = 68) or themselves tapped with another child (experienced IPS; n = 63). Tapping partners were presented as real, but the sounds attributed to them were computer generated so that their temporal relations could be experimentally manipulated. The simultaneity and regularity of their tapping was systematically manipulated across trials. For witnessed IPS, both the simultaneity and regularity of partners' tapping significantly positively affected the perceived degree of affiliation between them. These effects were mediated by the perceived togetherness of the tapping. No affiliative effects of IPS were found in the experienced IPS condition. Our findings suggest that both the simultaneity and regularity of partners' actions influence children's affiliation judgments when witnessing IPS via elicited perceptions of togetherness. We conclude that temporal interdependence-which includes but is not limited to simultaneity of action-is responsible for inducing perceptions of affiliation during witnessed IPS.


Assuntos
Percepção Auditiva , Comportamento Social , Humanos , Criança , Computadores , Relações Interpessoais
4.
Eur Eat Disord Rev ; 30(5): 592-603, 2022 09.
Artigo em Inglês | MEDLINE | ID: mdl-35791612

RESUMO

OBJECTIVE: Up to 37% of patients with anorexia nervosa score above cut-off on autism screening measures. These individuals typically have poorer outcomes from standard eating disorder interventions and could therefore benefit from adaptations. Accurately identifying these individuals is important for improving autism referral processes and clinical pathway decisions. This study's aim was to identify subscales of questionnaires measuring constructs associated with either autism or eating disorders that, when combined with traditional autism screening measures, would improve the ability to identify women with restrictive eating disorders who might benefit from a full autism assessment. METHOD: One hundred and sixty women with restrictive eating disorders, with (n = 42) or without (n = 118) an autism diagnosis completed a battery of questionnaires. Using conditional stepwise binary logistic regression, we attempted to improve the autism spectrum quotient 10 item's (AQ-10) ability to discriminate between autistic and non-autistic women in a restrictive eating disorder sample. RESULTS: In a binary logistic regression model, the AQ-10 reliably discriminated between autistic and non-autistic women with an accuracy rate of 85% but had relatively low (69%) sensitivity, reflecting a high rate of false negatives. Adding three subscales to the model (Glasgow Sensory Questionnaire Auditory, Camouflaging Autistic Traits Questionnaire Compensation and Toronto Alexithymia Scale Externally Orientated Thinking) significantly improved its differentiating ability (accuracy = 88%, sensitivity = 76%, specificity = 92%). CONCLUSIONS: We have identified three subscales that, when used in combination with the AQ-10, may help clinicians understand the pattern of autistic traits in their patients with a restrictive eating disorder. This can inform clinical decisions about whether to refer for a full autism assessment and whether to adapt standard eating disorder treatments to accommodate autistic traits. Future studies are needed to test the model in samples where participants have undergone a full autism assessment.


Assuntos
Anorexia Nervosa , Transtorno do Espectro Autista , Transtorno Autístico , Transtornos da Alimentação e da Ingestão de Alimentos , Sintomas Afetivos , Anorexia Nervosa/diagnóstico , Transtorno do Espectro Autista/diagnóstico , Transtornos da Alimentação e da Ingestão de Alimentos/diagnóstico , Feminino , Humanos , Inquéritos e Questionários
5.
Eur Eat Disord Rev ; 30(5): 616-627, 2022 09.
Artigo em Inglês | MEDLINE | ID: mdl-35775728

RESUMO

OBJECTIVE: Qualitative studies report that autistic women have poor experiences when being treated for an eating disorder (ED) and express that ED services are not appropriately tailored to meet their needs. It is unclear whether their experience differs to other women accessing ED services. The aim of the current study was to compare autistic and non-autistic women's ED illness history and experiences in ED services. METHOD: An online survey about ED illness history and their experience with ED treatment was completed by 46 autistic women with a restrictive ED and 110 non-autistic women with a restrictive ED. RESULTS: Despite some similarities, there were three key differences in the experiences reported by autistic and non-autistic women. First, autistic women reported a longer duration of ED and being diagnosed with an ED at a younger age than non-autistic women. Second, autistic women reported accessing a broader range of healthcare settings and ED treatments than non-autistic women when being treated for an ED. Finally, autistic women rated their experiences of inpatient care, dietetic input, and cognitive behavioural therapy (CBT) as significantly less beneficial than non-autistic women when being treated for an ED. CONCLUSION: These findings increase understanding of autistic women's ED experience and can help to shape ED services and treatments to better accommodate the needs of their autistic clients.


Assuntos
Transtorno Autístico , Transtornos da Alimentação e da Ingestão de Alimentos , Transtorno Autístico/terapia , Transtornos da Alimentação e da Ingestão de Alimentos/terapia , Feminino , Humanos , Pesquisa Qualitativa , Inquéritos e Questionários , Reino Unido
6.
Clin Psychol Psychother ; 29(4): 1276-1296, 2022 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-35141970

RESUMO

OBJECTIVE: Despite a number of qualitative studies published from the perspective of eating disorder (ED) service users, there has been no attempt to exclusively synthesize their views to gain a fuller understanding of their ED service experiences. It is important to understand this perspective, since previous research highlights the difficulties ED healthcare professionals report when working with this client group. METHOD: A systematic search of the literature was conducted to identify qualitative studies focusing on experiences of ED services from the perspective of service users. Twenty-two studies met the inclusion criteria and underwent a quality appraisal check using the Critical Appraisal Skills Programme (CASP) tool for qualitative research. These were then synthesized using a meta-synthesis approach. RESULTS: Four overarching themes were generated: "Treatment: Focus on physical vs. psychological symptoms"; "Service Environment: The role of control within services"; "Staff: Experiences with staff and the value of rapport"; and "Peer Influence: Camaraderie vs. comparison." Service users expressed a desire for more psychological input to tackle underlying difficulties relating to their ED. A complex relationship with feelings of control was described, with some feeling over-controlled by service providers, while others retrospectively recognized the need for control to be taken away. Staff values, knowledge and trust played a significant role in treatment and recovery. Peers with an ED were described to be a valuable source of understanding and empathy, but some found peer influence to perpetuate comparison and competitiveness. DISCUSSION: The results portray some of the conflicts and complexities that service users encounter in ED services. A running thread throughout is the perceived importance of adopting an individualized approach within these services.


Assuntos
Transtornos da Alimentação e da Ingestão de Alimentos , Pessoal de Saúde , Atitude do Pessoal de Saúde , Transtornos da Alimentação e da Ingestão de Alimentos/terapia , Pessoal de Saúde/psicologia , Humanos , Pesquisa Qualitativa , Estudos Retrospectivos
7.
Pract Neurol ; 22(2): 120-125, 2022 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-34625468

RESUMO

Autism is a neurodevelopmental condition with a very heterogeneous presentation. Autistic people are more likely to have unmet healthcare needs, making it essential that healthcare professionals are 'autism-aware'. In this article, we provide an overview of how autism presents and use case studies to illustrate how a neurological consultation in an outpatient clinic environment could prove challenging for a autistic person. We suggest how to improve communication with autistic patients in clinic and highlight the importance of a patient-centred and flexible approach.


Assuntos
Transtorno do Espectro Autista , Transtorno Autístico , Transtorno Autístico/complicações , Comunicação , Atenção à Saúde , Humanos , Encaminhamento e Consulta
8.
Br J Psychiatry ; 207(5): 392-9, 2015 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-26382954

RESUMO

BACKGROUND: People with callous-unemotional traits and also those with autism spectrum disorder (ASD) display sociocognitive difficulties. However, the frequency and neurocognitive correlates of callous-unemotional traits within individuals with ASD are unknown. AIMS: To determine the prevalence of callous-unemotional traits in individuals with ASD and test their association with behavioural and cognitive measures. METHOD: Parents of 92 adolescents with ASD completed the Antisocial Processes Screening Device (APSD) for callous-unemotional traits. Adolescents participated in tasks of emotion recognition, theory of mind and cognitive flexibility. RESULTS: In total 51% (n = 47) scored above a cut-off expected to identify the top 6% on the APSD. Of these 17% (n = 8) had concurrent conduct problems. Regression analyses found callous-unemotional traits were associated with specific impairment in fear recognition but not with theory of mind or cognitive flexibility. CONCLUSIONS: Adolescents with ASD show high rates of callous-unemotional traits but, unlike in the general population, these are not strongly associated with conduct problems. The relationship of callous-unemotional traits to impairments in fear recognition suggests similar affective difficulties as in individuals with callous-unemotional traits without ASD.


Assuntos
Transtorno da Personalidade Antissocial/psicologia , Transtorno do Espectro Autista/psicologia , Emoções , Comportamento Impulsivo , Narcisismo , Adolescente , Função Executiva , Feminino , Humanos , Modelos Logísticos , Masculino , Análise Multivariada , Pais , Escalas de Graduação Psiquiátrica , Índice de Gravidade de Doença , Teste de Sequência Alfanumérica , Reino Unido
9.
Adv Exp Med Biol ; 829: 265-90, 2014.
Artigo em Inglês | MEDLINE | ID: mdl-25358715

RESUMO

Neuroimaging has been a powerful tool for understanding the neural architecture of interval timing. However, identifying the critical brain regions engaged in timing was initially driven by investigation of human patients and animals. This chapter draws on the important contribution that the study of patients with Parkinson's disease (PD) has made in identifying the basal ganglia as a key component of motor and perceptual timing. The chapter initially describes the experimental tasks that have been critical in PD (and non-PD) timing research before systematically discussing the results from behavioural studies. This is followed by a critique of neuroimaging studies that have given insight into the pattern of neural activity during motor and perceptual timing in PD. Finally, discussion of the effects of medical and surgical treatment on timing in PD enables further evaluation of the role of dopamine in interval timing.


Assuntos
Gânglios da Base/fisiopatologia , Relógios Biológicos/fisiologia , Atividade Motora/fisiologia , Doença de Parkinson/fisiopatologia , Percepção do Tempo/fisiologia , Animais , Dopamina/fisiologia , Humanos
10.
Autism ; 28(6): 1328-1343, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38197398

RESUMO

LAY ABSTRACT: Some autistic people describe trying to hide autistic behaviour and seem more neurotypical. Researchers called this 'social camouflaging' and have linked it with mental health difficulties. We used a step-by-step approach to identify research where autistic people talk about social camouflaging to explore the relationship between camouflaging and poor mental health. Thirteen studies were combined. The results describe how society negatively impacts autistic people's mental health, and camouflaging is a way to try and cope with this. Many autistic people find their camouflaging strategies have accidental negative consequences which also affect their mental health. Strategies which seemed 'successful' involved a lot of self-monitoring, were very mentally demanding or were very habitual and seemed to have more of an effect on mental health. This might be important for clinicians who support autistic people with mental health difficulties.


Assuntos
Antropologia Cultural , Transtorno Autístico , Saúde Mental , Humanos , Transtorno Autístico/psicologia , Adaptação Psicológica
11.
Res Dev Disabil ; 148: 104714, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38484422

RESUMO

BACKGROUND: Children with Developmental Coordination Disorder (DCD) can experience sensory differences. There has been limited exploration of these differences and their impact on children with DCD. AIMS: i) To explore the presence and impact of sensory differences in children with DCD compared to children without DCD; ii) To examine whether sensory differences are related to motor ability, attention deficit hyperactivity disorder (ADHD), or autistic traits. METHOD: Parents of children (8-12 years) with (n = 23) and without (n = 33) DCD used standardised questionnaires to report on their children's sensory differences, autistic traits, and ADHD traits. Motor abilities were assessed through the Movement Assessment Battery for Children-2. Data were explored both categorically (between-groups) and dimensionally. RESULTS: Children with DCD had significantly higher levels of sensory differences than children without DCD. Sensory differences also had a significantly greater impact on daily activities for children with DCD. Higher levels of ADHD and autistic traits, but not motor ability, were significant independent predictors of higher levels of sensory difference. CONCLUSION: Children with DCD experience high levels of sensory differences, which impact on their daily lives. These sensory differences may be a marker for additional neurodivergence in children with DCD. Practitioners should consider the sensory needs of children with DCD. WHAT THIS PAPER ADDS: This paper provides insight into the sensory features of children with DCD and the impact that sensory differences can have on daily living. Using parent-report, we found that children with DCD had increased sensory differences relative to children without DCD. These included increased hyperresponsiveness, increased hyporesponsiveness, and increased sensory interests, repetitions, and seeking behaviours (SIRS). We also found that sensory differences had a greater impact on daily living for children with DCD compared to children without DCD. Across the whole sample, autistic traits predicted hyperresponsivity and hyporesponsivity patterns; whereas traits of hyperactivity and impulsivity predicted SIRS. Motor abilities did not uniquely predict sensory differences, suggesting that other traits of neurodivergence may contribute to the sensory differences in DCD. Taken together, these findings highlight the necessity of considering sensory needs when supporting children with DCD. They also suggest that if sensory differences are identified in children with DCD, it may be due to the presence of co-occurring neurodivergent traits or conditions.


Assuntos
Transtorno do Deficit de Atenção com Hiperatividade , Transtornos das Habilidades Motoras , Criança , Humanos , Movimento , Inquéritos e Questionários , Síndrome de Resposta Inflamatória Sistêmica
12.
Mol Autism ; 15(1): 24, 2024 Jun 06.
Artigo em Inglês | MEDLINE | ID: mdl-38845057

RESUMO

BACKGROUND: Brief questionnaires that comprehensively capture key restricted and repetitive behaviours (RRBs) across different informants have potential to support autism diagnostic services. We tested the psychometric properties of the 20-item Repetitive Behaviours Questionnaire-3 (RBQ-3), a questionnaire that includes self-report and informant-report versions enabling use across the lifespan. METHOD: In Study 1, adults referred to a specialised adult autism diagnostic service (N = 110) completed the RBQ-3 self-report version, and a relative or long-term friend completed the RBQ-3 informant-report version. Clinicians completed the abbreviated version of the Diagnostic Interview for Social and Communication Disorders (DISCO-Abbreviated) with the same adults as part of the diagnostic process. For half of the assessments, clinicians were blind to the RBQ-3 ratings. We tested internal consistency, cross-informant reliability and convergent validity of the RBQ-3. In Study 2, a follow-up online study with autistic (N = 151) and non-autistic (N = 151) adults, we further tested internal consistency of the RBQ-3 self-report version. We also tested group differences and response patterns in this sample. RESULTS: Study 1 showed good to excellent internal consistency for both self- and informant-report versions of the RBQ-3 (total score, α = 0.90, ω = 0.90, subscales, α = 0.76-0.89, ω = 0.77-0.88). Study 1 also showed cross-informant reliability as the RBQ-3 self-report scores significantly correlated with RBQ-3 informant-report scores for the total score (rs = 0.71) and subscales (rs= 0.69-0.72). Convergent validity was found for both self and informant versions of the RBQ-3, which significantly correlated with DISCO-Abbreviated RRB domain scores (rs = 0.45-0.54). Moreover, the RBQ-3 scores showed significantly weaker association with DISCO -Abbreviated scores for the Social Communication domain, demonstrating divergent validity. Importantly, these patterns of validity were found even when clinicians were blind to RBQ-3 items. In Study 2, for both autistic and non-autistic groups, internal consistency was found for the total score (α = 0.82-0.89, ω = 0.81-0.81) and for subscales (α = 0.68-0.85, ω = 0.69-0.85). A group difference was found between groups. LIMITATIONS: Due to the characteristics and scope of the specialist autism diagnostic service, further testing is needed to include representative samples of age (including children) and intellectual ability, and those with a non-autistic diagnostic outcome. CONCLUSIONS: The RBQ-3 is a questionnaire of RRBs that can be used across the lifespan. The current study tested its psychometric properties with autistic adults without intellectual disability and supported its utility for both clinical diagnostic and research settings.


Assuntos
Psicometria , Autorrelato , Humanos , Adulto , Masculino , Feminino , Inquéritos e Questionários , Pessoa de Meia-Idade , Adulto Jovem , Reprodutibilidade dos Testes , Transtorno Autístico/diagnóstico , Transtorno Autístico/psicologia , Adolescente , Transtorno do Espectro Autista/diagnóstico , Transtorno do Espectro Autista/psicologia
13.
J Child Psychol Psychiatry ; 54(2): 186-94, 2013 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-22934711

RESUMO

BACKGROUND: Psychiatric problems are common in autism spectrum disorders (ASDs), but the reasons are poorly understood. We use a longitudinal population-representative cohort to examine for the first time the persistence of psychiatric problems and to identify risk factors for their occurrence and stability. METHODS: Eighty-one 16-year olds (75 male, six female), initially seen at 12 years, were re-assessed using the parent-report Strengths and Difficulties Questionnaire (SDQ). Child, family and contextual characteristics from age 12 were tested as risk factors for psychopathology. RESULTS: Prevalence rates varied depending on whether general population or ASD-specific SDQ cut-offs were used. While the former suggested a decrease in psychiatric problems over time, the ASD-specific cut-offs showed no significant differences. With the exception of ADHD, the ASD-specific cut-offs identified a smaller proportion of individuals as 'affected' than did the general population cut-offs. There was longitudinal domain specificity, with parent correlations ranging from 0.50 to 0.58 and teacher SDQ reports at age 12 correlating 0.33-0.53 with parent reports at 16 years. In examining the role of risk factors, lower IQ and adaptive functioning predicted higher hyperactivity and total difficulties scores. Greater emotional problems at 16 were predicted by poorer maternal mental health, family-based deprivation and lower social class. Improvement from 12 to 16 years in conduct problems was predicted by greater neighbourhood deprivation and special school attendance. CONCLUSIONS: This is the first longitudinal study of other psychiatric symptoms in ASD. Additional psychiatric problems in ASD are persistent and domain-specific from childhood to adolescence. The finding that age-related reduction in SDQ symptoms does not apply when ASD-specific cut-offs are used requires further evaluation using diagnostic measures. Only a few of the expected risk factor-psychopathology predictions expected from general population studies were found, raising the possibility that the causes of psychopathology in ASD differ from those in the general population.


Assuntos
Transtornos Globais do Desenvolvimento Infantil/psicologia , Transtornos Mentais/complicações , Adolescente , Fatores Etários , Criança , Transtornos Globais do Desenvolvimento Infantil/complicações , Transtornos Globais do Desenvolvimento Infantil/epidemiologia , Feminino , Humanos , Estudos Longitudinais , Masculino , Transtornos Mentais/epidemiologia , Transtornos Mentais/psicologia , Prevalência , Fatores de Risco , Inquéritos e Questionários
14.
J Eat Disord ; 11(1): 17, 2023 Feb 09.
Artigo em Inglês | MEDLINE | ID: mdl-36759874

RESUMO

BACKGROUND: There is an increased prevalence of anorexia nervosa (AN) in autistic women and this group has poorer treatment outcomes compared to non-autistic women with AN. However, there is little research into improving eating disorder treatment for autistic women. This study investigated how best to support autistic women with AN within eating disorder services. METHOD: A three-stage Delphi study was conducted with 49 participants with relevant expertise as a researcher, clinician, or expert by experience. RESULTS: A total of 70 statements were generated, with 56 reaching consensus after the final round. Statements reaching consensus made recommendations for adaptations to treatment, staff training, and service organisation. CONCLUSIONS: The results highlight the need to distinguish between autism- and AN-related difficulties, accommodate autistic traits such as sensory sensitivities and communication differences, and ensure the autistic voice is present in both the development and delivery of care. Future research should investigate the impact of these adaptations on outcomes. The applicability of these recommendations to autistic people with other eating disorders and of other genders needs to be investigated further.


Autistic women are more likely to have anorexia nervosa (AN) than non-autistic women. Autistic women can find eating disorder treatment unhelpful and need adaptations to treatment. This study asked a group of 49 researchers, staff, and people with personal experience of autism and eating disorders what they thought would help autistic women with AN. The study used a Delphi study method, which allows the calculation of how much participants agree without them needing to meet and make a decision. The study created 56 suggestions that the participants agreed on. The results give suggestions for changing treatment, training staff, and changing how services work to be better for autistic women. The suggestions highlight the importance of being able to tell the difference between autism- and AN- related behaviour, adjusting care to accommodate autistic traits, and involving autistic people in the development of care. Many of the suggestions recommend that changes are flexible to the individual autistic person. In the future, research should check if these changes are helpful for autistic women with AN, and if they would be helpful for autistic people who are not female or have other eating disorders.

15.
Cortex ; 168: 1-13, 2023 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-37634268

RESUMO

AIM: There is emerging evidence that the Mirror Neuron System (MNS) might contribute to the motor learning difficulties characteristic of Developmental Coordination Disorder (DCD). This study aimed to identify whether MNS activity differed between children with and without DCD during action observation, action execution and during a non-action baseline. METHODS: Electroencephalography (EEG) was used to measure mu rhythm (a proxy for MNS activation) in 8-12-year-old children either with (n = 20) or without (n = 19) a diagnosis of DCD. The mu rhythm was recorded at rest and during five experimental conditions: (1) observation of gross motor and (2) fine motor actions; (3) execution of gross motor and (4) fine motor actions; and (5) non-biological movement. To address whether potential co-occurring traits of other neurodevelopmental conditions were associated with differences in mu rhythm, parents reported their child's attention and social communication skills. Mixed and repeated measure ANOVAs were conducted to examine differences in mu desynchronization and mu power respectively. RESULTS: The non-DCD group showed greater mu rhythm desynchronization than children with DCD (i.e., more MNS activity), with both groups demonstrating increasing desynchronization from observation of fine actions to execution of gross actions. However, we also found that the children with DCD had less mu power during the non-biological movement condition than the non-DCD children, although mu power did not differ between groups during the resting condition. Correlations between mu desynchronization and children's attention and motor skills showed that poorer attention and motor abilities were associated with reduced MNS activity. CONCLUSION: Compared to children without DCD, the MNS in children with DCD did not distinguish between biological and non-biological movement. It is possible that the reduced specificity of the MNS in children with DCD is an underlying factor in the motor impairments observed in the disorder. The differential MNS activity could reflect broader atypical activity in perceptual networks that feed into the MNS in DCD.

16.
J Child Psychol Psychiatry ; 53(11): 1157-66, 2012 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-22909395

RESUMO

INTRODUCTION: Severe mood dysregulation and problems (SMP) in otherwise typically developing youth are recognized as an important mental health problem with a distinct set of clinical features, family history and neurocognitive characteristics. SMP in people with autism spectrum disorders (ASDs) have not previously been explored. METHOD: We studied a longitudinal, population-based cohort of adolescents with ASD in which we collected parent-reported symptoms of SMP that included rage, low and labile mood and depressive thoughts. Ninety-one adolescents with ASD provided data at age 16 years, of whom 79 had additional data from age 12. We studied whether SMP have similar correlates to those seen in typically developing youth. RESULTS: Severe mood problems were associated with current (parent-rated) and earlier (parent- and teacher-rated) emotional problems. The number of prior psychiatric diagnoses increased the risk of subsequent SMP. Intellectual ability and adaptive functioning did not predict to SMP. Maternal mental health problems rated at 12 and 16 years were associated with SMP. Autism severity as rated by parents was associated with SMP, but the relationship did not hold for clinician ratings of autistic symptoms or diagnosis. SMP were associated with difficulty in identifying the facial expression of surprise, but not with performance recognizing other emotions. Relationships between SMP and tests of executive function (card sort and trail making) were not significant after controlling for IQ. CONCLUSIONS: This is the first study of the behavioural and cognitive correlates of severe mood problems in ASD. As in typically developing youth, SMP in adolescents with ASD are related to other affective symptoms and maternal mental health problems. Previously reported links to deficits in emotion recognition and cognitive flexibility were not found in the current sample. Further research is warranted using categorical and validated measures of SMP.


Assuntos
Transtornos Globais do Desenvolvimento Infantil/fisiopatologia , Transtornos do Humor/fisiopatologia , Índice de Gravidade de Doença , Adolescente , Criança , Transtornos Globais do Desenvolvimento Infantil/epidemiologia , Emoções/fisiologia , Função Executiva/fisiologia , Expressão Facial , Feminino , Humanos , Estudos Longitudinais , Masculino , Transtornos do Humor/epidemiologia
17.
Autism Adulthood ; 4(1): 76-91, 2022 Mar 01.
Artigo em Inglês | MEDLINE | ID: mdl-36605561

RESUMO

The experience of stigma by autistic people is relatively understudied, despite contributing to a range of poor outcomes and having an overarching impact on well-being. The current review of the literature synthesizes research to determine what is currently known and presents a theoretical model of autism stigma. Autism stigma is primarily influenced by a public and professional understanding of autism in combination with interpretation of visible autistic traits. Moderating factors include the quality and quantity of contact with autistic people, cultural factors, sex and gender, individual differences, and diagnostic disclosure. Stigma can reduce well-being as well as increase the presence of camouflaging behaviors, which mask autistic traits. Caregivers of autistic people can experience stigma by association, that is, affiliate stigma, which can impact their own well-being. A variety of interventions and approaches to reduce stigma are discussed, including "autism friendly" spaces, positive media representation, educational and psychosocial training for the public and professionals, as well as cultural and systemic shifts that foster inclusivity and recognize neurodiversity.


Why is this topic important?: Autistic people are known to experience stigma. This means that they can face ignorance, prejudice, and discrimination. What was the purpose of this article?: The purpose of the article was to review research on autism stigma. We wanted to better understand autism stigma. We looked at why autistic people and their families experienced stigma. We also looked at what factors influenced stigma and the impact of stigma. Last, we discussed how to reduce stigma for autistic people and their families. What do the authors conclude?: We summarized the research findings into a model. Autism stigma is affected by people's understanding of autism and by visible autistic traits. Poor understanding of autism means that visible autistic traits may be viewed negatively. Certain factors influence the amount of stigma. One factor was the quality and quantity of contact that autistic people have with others. Another factor was cultural differences, such as specific beliefs about autism. Sex and gender were important, as were other differences such as education and age. Last, whether an autistic person had shared their diagnosis affected stigma. Autism stigma had a negative impact on well-being. This included poor mental and physical health, as well as reduced social connections. Autism stigma also led to increased "camouflaging" of autistic traits. Family members also experienced stigma, which can affect their own well-being. Reducing autism stigma is important. To reduce stigma people should create more "autism friendly" spaces. They should include more positive representations of autistic people in the media. They should also improve the autism education of the public and professionals. Last, they should support neurodiversity. What do the authors recommend for future research on this topic?: We need to better understand the factors that lead to autism stigma. We also need more effective ways to reduce stigma for autistic people and their families. Including the autistic community in this research process is very important. How will this review help autistic adults now and in the future?: The review shows how stigma affects the autistic community. Autistic adults may find that the model helps them understand their own experiences of stigma. We hope the review will help develop more research into how to reduce autism stigma. Reducing autism stigma will improve the lives of autistic adults.

18.
Front Hum Neurosci ; 16: 841633, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35693540

RESUMO

Anorexia nervosa (AN) and obsessive-compulsive disorder (OCD) are commonly reported to co-occur and present with overlapping symptomatology. Executive functioning difficulties have been implicated in both mental health conditions. However, studies directly comparing these functions in AN and OCD are extremely limited. This review provides a synthesis of behavioral and neuroimaging research examining executive functioning in AN and OCD to bridge this gap in knowledge. We outline the similarities and differences in behavioral and neuroimaging findings between AN and OCD, focusing on set shifting, working memory, response inhibition, and response monitoring. This review aims to facilitate understanding of transdiagnostic correlates of executive functioning and highlights important considerations for future research. We also discuss the importance of examining both behavioral and neural markers when studying transdiagnostic correlates of executive functions.

19.
Front Psychol ; 13: 897015, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35734455

RESUMO

Interpersonal synchrony - the tendency for social partners to temporally co-ordinate their behaviour when interacting - is a ubiquitous feature of social interactions. Synchronous interactions play a key role in development, and promote social bonding and a range of pro-social behavioural outcomes across the lifespan. The process of achieving and maintaining interpersonal synchrony is highly complex, with inputs required from across perceptual, temporal, motor, and socio-cognitive domains. In this conceptual analysis, we synthesise evidence from across these domains to establish the key components underpinning successful non-verbal interpersonal synchrony, how such processes interact, and factors that may moderate their operation. We also consider emerging evidence that interpersonal synchrony is reduced in autistic populations. We use our account of the components contributing to interpersonal synchrony in the typical population to identify potential points of divergence in interpersonal synchrony in autism. The relationship between interpersonal synchrony and broader aspects of social communication in autism are also considered, together with implications for future research.

20.
J Child Psychol Psychiatry ; 52(3): 275-85, 2011 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-20955187

RESUMO

BACKGROUND: Autism spectrum disorders (ASD) are characterised by social and communication difficulties in day-to-day life, including problems in recognising emotions. However, experimental investigations of emotion recognition ability in ASD have been equivocal, hampered by small sample sizes, narrow IQ range and over-focus on the visual modality. METHODS: We tested 99 adolescents (mean age 15;6 years, mean IQ 85) with an ASD and 57 adolescents without an ASD (mean age 15;6 years, mean IQ 88) on a facial emotion recognition task and two vocal emotion recognition tasks (one verbal; one non-verbal). Recognition of happiness, sadness, fear, anger, surprise and disgust were tested. Using structural equation modelling, we conceptualised emotion recognition ability as a multimodal construct, measured by the three tasks. We examined how the mean levels of recognition of the six emotions differed by group (ASD vs. non-ASD) and IQ (≥ 80 vs. < 80). RESULTS: We found no evidence of a fundamental emotion recognition deficit in the ASD group and analysis of error patterns suggested that the ASD group were vulnerable to the same pattern of confusions between emotions as the non-ASD group. However, recognition ability was significantly impaired in the ASD group for surprise. IQ had a strong and significant effect on performance for the recognition of all six emotions, with higher IQ adolescents outperforming lower IQ adolescents. CONCLUSIONS: The findings do not suggest a fundamental difficulty with the recognition of basic emotions in adolescents with ASD.


Assuntos
Transtornos Globais do Desenvolvimento Infantil/fisiopatologia , Emoções , Expressão Facial , Reconhecimento Psicológico , Adolescente , Estudos de Casos e Controles , Criança , Feminino , Humanos , Inteligência , Masculino , Adulto Jovem
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