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Andreas Riedel
University of Freiburg
PsychiatryASDPsychologyAutismAutism spectrum disorder
38Publications
9H-index
298Citations
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Publications 39
Newest
#1Martina Radtke (University of Freiburg)H-Index: 5
#2Denisa Wieczoreková (Masaryk University)
Last. Andreas Riedel (University of Freiburg)H-Index: 9
view all 8 authors...
Abstract Background Chronic depression is characterized by persistent or recurrent depressive symptoms, defined according to DSM criteria, and is associated with lack of empathy; deficits in social perception, interaction, and communication; and social withdrawal. These symptoms are reminiscent of autism spectrum disorders, yet the co-occurrence of autistic traits and chronic depression has been rarely explored. We explored measures of autistic traits in chronically depressed adult patients in o...
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#2Thomas FangmeierH-Index: 13
Last. Andreas RiedelH-Index: 9
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#1Kathrin Nickel (University of Freiburg)H-Index: 5
#2Ludger Tebartz van Elst (University of Freiburg)H-Index: 32
Last. Simon Maier (University of Freiburg)H-Index: 10
view all 12 authors...
Objective: Autism spectrum (ASD) and attention-deficit/hyperactivity disorder (ADHD) are neurodevelopmental disorders with a high rate of comorbidity. To date, diagnosis is based on clinical presentation and distinct reliable biomarkers have been identified neither for ASD nor ADHD. Most previous neuroimaging studies investigated ASD and ADHD separately. Method: To address the question of structural brain differences between ASD and ADHD, we performed FreeSurfer analysis in a sample of children ...
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#1Simon Maier (University of Freiburg)H-Index: 10
#2Ludger Tebartz van Elst (University of Freiburg)H-Index: 32
Last. Andreas Riedel (University of Freiburg)H-Index: 9
view all 8 authors...
Abstract Previous studies on cortical volume and thickness measures in autism spectrum disorders (ASD) show inconsistent results. We acquired structural magnetic resonance images of 30 individuals with ASD and individually matched controls and extracted surface-based and deformation-based morphometry measures. All participants had an IQ>100. Neither surface-based cortical thickness nor deformation based gyrification measures differed significantly across groups. Significant decreases but no incr...
1 CitationsSource
#1Kathrin Nickel (University of Freiburg)H-Index: 5
#2Ludger Tebartz van Elst (University of Freiburg)H-Index: 32
Last. Andreas Riedel (University of Freiburg)H-Index: 9
view all 8 authors...
Mutations in voltage-gated sodium channel (SCN) genes are supposed to be of importance in the etiology of psychiatric and neurological diseases, in particular in the etiology of seizures. Previous studies report a potential susceptibility region at the chromosomal locus 2q including SCN1A, SCN2A and SCN3A genes for autism spectrum disorder (ASD). To date, there is no previous description of a patient with comorbid ASD and Tourette syndrome showing a deletion containing SCN2A and SCN3A. We presen...
2 CitationsSource
#1Veronika Best (University of Freiburg)H-Index: 1
#2Andreas Riedel (University of Freiburg)H-Index: 9
Last. Kai Spiegelhalder (University of Freiburg)H-Index: 34
view all 6 authors...
Hintergrund Kinder und Jugendliche mit Autismus-Spektrum-Storung leiden haufig auch unter Schlafstorungen. Wenig bekannt ist hingegen, ob der Schlaf auch bei erwachsenen Patienten mit Autismus-Spektrum-Storung beeintrachtigt ist.
1 CitationsSource
#1Fabian Frank (University of Freiburg)H-Index: 4
#2Martina Jablotschkin (University of Freiburg)H-Index: 1
Last. Ludger Tebartz van Elst (University of Freiburg)H-Index: 32
view all 7 authors...
Adults with autism spectrum disorders (ASD) experience challenges in participating in the labour market and struggle to achieve and maintain appropriate professional positions, possibly due to impairments of communication and social interaction. Studies have shown high rates of unemployment as well as evidence of inadequate employment. As knowledge on the participation in the German labour market is scarce, the aim of our study was to examine employment status, type of occupation and inadequate ...
4 CitationsSource
#1Jürgen Kornmeier (University of Freiburg)H-Index: 12
#2Rike Wörner (University of Freiburg)H-Index: 2
Last. Ludger Tebartz van Elst (University of Freiburg)H-Index: 32
view all 4 authors...
Background During observation of the Necker cube perception becomes unstable and alternates repeatedly between a from-above-perspective (“fap”) and a from-below-perspective (“fbp”) interpretation. Both interpretations are physically equally plausible, however, observers usually show an a priori top-down bias in favor of the fap interpretation. Patients with Autism spectrum disorder are known to show an altered pattern of perception with a focus on sensory details. In the present study we tested ...
1 CitationsSource
#1Kathrin NickelH-Index: 5
#2L. Tebartz van ElstH-Index: 15
Last. Simon MaierH-Index: 10
view all 8 authors...
8 CitationsSource
#1Manuela Kanat (University of Freiburg)H-Index: 5
#2Ines Spenthof (University of Trier)H-Index: 2
Last. Gregor Domes (University of Trier)H-Index: 36
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Reduced attentional preference for faces and symptoms of social anxiety are common in autism spectrum disorders (ASDs). The neuropeptide oxytocin triggers anxiolytic functions and enhances eye gaze, facial emotion recognition and neural correlates of face processing in ASD. Here we investigated whether a single dose of oxytocin increases attention to faces in ASD. As a secondary question, we explored the influence of social anxiety on these effects. We tested for oxytocin’s effects on attention ...
14 CitationsSource
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