| 1. |
- Helles, Adam, et al.
(författare)
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Asperger syndrome in childhood – personality dimensions in adult life: temperament, character and outcome trajectories
- 2016
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Ingår i: BJPsych Open. - : Royal College of Psychiatrists. - 2056-4724. ; 2:3, s. 210-216
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Tidskriftsartikel (refereegranskat)abstract
- Background Temperament and character have been shown to be important factors in understanding psychiatric and neurodevelopmental disorder. Adults with autism spectrum disorder (ASD) have repeatedly been shown to have a distinct temperament and character, but this has not been evaluated in relation to psychiatric comorbidity and ASD diagnostic stability. Aims To examine temperament and character in males that were diagnosed with ASD in childhood and followed prospectively over almost two decades. Method Temperament and character were assessed in 40 adult males with a childhood diagnosis of ASD. Results were analysed by the stability of ASD diagnosis over time and current psychiatric comorbidity. Results Three distinct temperament and character profiles emerged from the data. Those no longer meeting criteria for ASD had high reward dependence while those with a stable ASD diagnosis and psychiatric comorbidity showed elevated harm avoidance and low self-directedness and cooperativeness. Finally, those with a stable ASD and no comorbidity showed low novelty seeking and somewhat elevated harm avoidance. Conclusions Temperament and character are important factors correlated with long-term diagnostic stability and psychiatric comorbidity in males diagnosed with ASD in childhood.
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| 2. |
- Helles, Adam, et al.
(författare)
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Asperger syndrome in males over two decades: Quality of life in relation to diagnostic stability and psychiatric comorbidity
- 2017
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Ingår i: Autism. - : SAGE Publications. - 1362-3613 .- 1461-7005. ; 21:4, s. 458-469
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Tidskriftsartikel (refereegranskat)abstract
- This study examined objective quality of life (work, academic success, living situation, relationships, support system) and subjective quality of life (Sense of Coherence and Short-Form Health Survey-36) in an adult sample of males (n = 50, mean age: 30 years) with Asperger syndrome diagnosed in childhood and followed prospectively over two decades. The association between long-term diagnostic stability of an autism spectrum disorder and/or comorbid psychiatric disorders with quality of life was also examined. The results showed great variability as regards quality of life. The subsample that no longer fulfilled an autism spectrum disorder had full-time jobs or studies (10/11), independent living (100%), and reported having two or more friends (100%). In the stable autism spectrum disorder group, 41% had full-time job or studies, 51% lived independently, and 33% reported two or more friends, and a significant minority had specialized employments, lived with support from the government, or had no friends. Academic success was positively correlated with IQ. A majority of the total group scored average Sense of Coherence scores, and the mean for Short-Form Health Survey-36 was above average regarding psychical health and below average regarding mental health. Stability of autism spectrum disorder diagnosis was associated with objective but not subjective quality of life, while psychiatric comorbidity was associated with subjective but not objective quality of life.
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| 3. |
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| 4. |
- Falck-Ytter, Terje, et al.
(författare)
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Face scanning distinguishes social from communication impairments in autism
- 2010
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Ingår i: Developmental Science. - : Wiley. - 1363-755X .- 1467-7687. ; 13:6, s. 864-875
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Tidskriftsartikel (refereegranskat)abstract
- How closely related are the social and communicative impairments in Autism Spectrum Disorder (ASD)? Recent findings in typically developing children suggest that both types of impairment are highly heritable but have only moderate behavioural and genetic overlap. So far, their respective roles in social perception are poorly understood. Here we show that when looking at other people’s faces, children with ASD who are better at socio-emotional behaviours than non-verbal communication look more at the eyes, while those with the opposite profile look more at the mouth (Study 1). For the mouth area, a similar pattern was observed for inverted faces, suggesting that information from this area is perceived on a featural basis. In Study 2, we found that when shown a person performing manual actions, ‘eye-lookers’ from Study 1 tended to look most at the face of the actor, while ‘mouthlookers’ from Study 1 tended to look at the action itself (hand ⁄ objects). This result was found in both ASD and typical development. In Study 3, the main finding in Study 1 was replicated in a new sample. Taken together, we interpret these results as supporting the view that the neural systems underlying socio-emotional versus non-verbal communication skills are separable, a finding that has important theoretical and clinical implications. The results also suggest that a similar differentiation of looking behaviour may operate in normal development.
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| 5. |
- Falck-Ytter, Terje, et al.
(författare)
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Gaze performance in children with autism spectrum disorder when observing communicative actions.
- 2012
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Ingår i: Journal of Autism and Developmental Disorders. - : Springer Science and Business Media LLC. - 0162-3257 .- 1573-3432. ; 42:10, s. 2236-2245
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Tidskriftsartikel (refereegranskat)abstract
- The main purpose of this eye tracking study was to map the correlates of gaze performance in a brief test of spontaneous gaze and point-gesture following in young children with autistic disorder (AD), Pervasive developmental disorder-not otherwise specified (PDD-NOS), or typical development (TD). Gaze measures included the children's spontaneous tendency to look at the correct (attended) toy, and the latency of their correct responses. In addition to group differences (AD vs. TD), we found that in AD, accuracy of performance was specifically related to adaptive communication skills. The study also indicated that the latency of correct gaze shifts is related to verbal intelligence. These results have direct implications for our understanding of (responsive) joint attention impairments in AD.
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| 6. |
- Falck-Ytter, Terje, et al.
(författare)
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Visualization and Analysis of Eye Movement Data from Children with Typical and Atypical Development
- 2013
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Ingår i: Journal of autism and developmental disorders. - : Springer Science and Business Media LLC. - 0162-3257 .- 1573-3432. ; 43:10, s. 2249-2258
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Tidskriftsartikel (refereegranskat)abstract
- Looking at other children's interactions provides rich learning opportunities for a small child. How children with autism look at other children is largely unknown. Using eye tracking, we studied gaze performance in children with autism and neurotypical comparison children while they were watching videos of semi-naturalistic social interactions between young children. Using a novel, bottom-up approach we identified event-related measures that distinguished between groups with high accuracy. The observed effects remained in a subset of the total sample matched on IQ, and were replicated across several different stimuli. The described method facilitates the detection of meaningful patterns in complex eye tracking data. Also, the approach significantly improves visualization, which will help investigators understand, illustrate, and generate new hypotheses.
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| 7. |
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| 8. |
- Gillberg, Christopher, 1950, et al.
(författare)
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Long-term stimulant treatment of children with attention-deficit hyperactivity disorder symptoms. A randomized, double-blind, placebo-controlled trial.
- 1997
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Ingår i: Archives of general psychiatry. - : American Medical Association (AMA). - 0003-990X. ; 54, s. 857-
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Tidskriftsartikel (refereegranskat)abstract
- Background: We wanted to study the effects of amphetamine on symptoms of attention-deficit hyperactivity disorder (ADHD) over a longer period than has been reported in previous studies of central stimulants in this condition. Methods: Sixty-two children, aged 6 to 11 years, meeting DSM-III-R symptom criteria for ADHD participated in a parallel-group design, randomized, double-blind, placebo-controlled study of amphetamine treatment. Treatment was not restricted to children with "pure" ADHD, ie, some had comorbid diagnoses. In the amphetamine group, children received active treatment for 15 months. Results: Amphetamine was clearly superior to placebo in reducing inattention, hyperactivity, and other disruptive behavior problems and tended to lead to improved results on the Wechsler Intelligence Scale for Children—Revised. Treatment failure rate was considerably lower and time to treatment failure was longer in the amphetamine group. Adverse effects were few and relatively mild. Conclusion: The results of this long-term, placebo-controlled study of the central stimulant amphetamine in the treatment of ADHD indicate that there are remaining positive effects of the drug 15 months after starting treatment.
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| 9. |
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| 10. |
- Marshall, J. J., et al.
(författare)
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Interpersonal trauma and its relation to childhood psychopathic traits: what does ADHD and ODD add to the equation?
- 2021
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Ingår i: Bmc Psychiatry. - : Springer Science and Business Media LLC. - 1471-244X. ; 21:1
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Tidskriftsartikel (refereegranskat)abstract
- Background Childhood trauma has demonstrated associations with callous-unemotional traits (e.g., reflecting lack of remorse and guilt, unconcern about own performance). Less is known about associations between trauma and multiple domains of child psychopathic traits. There has also been limited focus on the role of co-occurring disorders to psychopathy traits among children, namely, attention-deficit hyperactivity disorder (ADHD) and oppositional defiant disorder (ODD) and how they interact with childhood trauma. Methods We examined to what degree childhood interpersonal trauma can predict parent-rated psychopathic traits in a large population based Swedish twin sample (N = 5057), using a stringent definition of interpersonal trauma occurring before age 10. Two hundred and fifty-one participants met the interpersonal trauma criteria for analysis. The study explored the additional impact of traits of attention-deficit hyperactivity disorder (ADHD) and oppositional defiant disorder (ODD). Results Linear regressions demonstrated statistically significant but clinically negligible effects of interpersonal trauma on total and subscale scores of parent-rated psychopathic traits. When exploring interaction effects of ADHD and ODD into the model, the effect increased. There were interaction effects between ODD and trauma in relation to psychopathic traits, suggesting a moderating role of ODD. Having been exposed to trauma before age 10 was significantly associated with higher parent rated psychopathy traits as measured by The Child Problematic Traits Inventory-Short Version (CPTI-SV), however the explained variance was small (0.3-0.9%). Conclusions The results challenge the notion of association between interpersonal trauma and youth psychopathic traits. They also highlight the need to gain an improved understanding of overlap between psychopathic traits, ADHD and ODD for clinical screening purposes and the underlying developmental mechanisms.
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