Kerstin Konrad

Summary

Affiliation: RWTH Aachen
Country: Germany

Publications

  1. ncbi request reprint Lack of inhibition: a motivational deficit in children with attention deficit/hyperactivity disorder and children with traumatic brain injury
    K Konrad
    Technical University of Aachen, Clinics for Child and Adolescent Psychiatry, RWTH Aachen, Neuen hofer Weg 21, D 52074 Aachen, Germany
    Child Neuropsychol 6:286-96. 2000
  2. ncbi request reprint Catecholamine functioning in children with traumatic brain injuries and children with attention-deficit/hyperactivity disorder
    Kerstin Konrad
    Department of Child and Adolescent Psychiatry, RWTH Aachen, Neuenhofer Weg 21, D 52074 Aachen, Germany
    Brain Res Cogn Brain Res 16:425-33. 2003
  3. ncbi request reprint Differential effects of methylphenidate on attentional functions in children with attention-deficit/hyperactivity disorder
    Kerstin Konrad
    Techinical University of Aachen, Germany
    J Am Acad Child Adolesc Psychiatry 43:191-8. 2004
  4. doi request reprint Neural mechanisms of empathy in adolescents with autism spectrum disorder and their fathers
    Ellen Greimel
    Child Neuropsychology Section, Department of Child and Adolescent Psychiatry and Psychotherapy, University Hospital of the RWTH Aachen, Neuenhofer Weg 21, Germany
    Neuroimage 49:1055-65. 2010
  5. doi request reprint Neural mechanisms of encoding social and non-social context information in autism spectrum disorder
    Ellen Greimel
    Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital of the RWTH Aachen, Aachen, Germany
    Neuropsychologia 50:3440-9. 2012
  6. doi request reprint Morphometric brain abnormalities in boys with conduct disorder
    Thomas Huebner
    Department of Child and Adolescent Psychiatry and Psychotherapy, University Hospital, RWTH Aachen, Germany
    J Am Acad Child Adolesc Psychiatry 47:540-7. 2008
  7. doi request reprint Cognitive flexibility in juvenile anorexia nervosa patients before and after weight recovery
    Katharina Bühren
    Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital of the RWTH Aachen, Neuenhofer Weg 21, 52074 Aachen, Germany
    J Neural Transm 119:1047-57. 2012
  8. ncbi request reprint Long-term effects of methylphenidate on neural networks associated with executive attention in children with ADHD: results from a longitudinal functional MRI study
    Kerstin Konrad
    Child Neuropsychology Section, Department of Child and Adolescent Psychiatry, University Hospital Aachen, Germany
    J Am Acad Child Adolesc Psychiatry 46:1633-41. 2007
  9. doi request reprint Coherent motion processing in autism spectrum disorder (ASD): an fMRI study
    Sarah Brieber
    Child Neuropsychology Section, Department of Child and Adolescent Psychiatry and Psychotherapy, University Hospital of the RWTH Aachen, D 52074 Aachen, Germany
    Neuropsychologia 48:1644-51. 2010
  10. doi request reprint Sex differences in attentional performance and their modulation by methylphenidate in children with attention-deficit/hyperactivity disorder
    Thomas Gunther
    Child Neuropsychology Section, Department of Child and Adolescent Psychiatry, University Hospital of the RWTH Aachen, Aachen, Germany
    J Child Adolesc Psychopharmacol 20:179-86. 2010

Collaborators

Detail Information

Publications49

  1. ncbi request reprint Lack of inhibition: a motivational deficit in children with attention deficit/hyperactivity disorder and children with traumatic brain injury
    K Konrad
    Technical University of Aachen, Clinics for Child and Adolescent Psychiatry, RWTH Aachen, Neuen hofer Weg 21, D 52074 Aachen, Germany
    Child Neuropsychol 6:286-96. 2000
    ..The results further support a motivational/energetic explanation of the inhibitory deficit in children with ADHD, and of a primary response inhibition deficit due to structural brain damage in children with TBI...
  2. ncbi request reprint Catecholamine functioning in children with traumatic brain injuries and children with attention-deficit/hyperactivity disorder
    Kerstin Konrad
    Department of Child and Adolescent Psychiatry, RWTH Aachen, Neuenhofer Weg 21, D 52074 Aachen, Germany
    Brain Res Cogn Brain Res 16:425-33. 2003
    ..Our study provides further support for similar but also different neurobiochemical characteristics in both groups...
  3. ncbi request reprint Differential effects of methylphenidate on attentional functions in children with attention-deficit/hyperactivity disorder
    Kerstin Konrad
    Techinical University of Aachen, Germany
    J Am Acad Child Adolesc Psychiatry 43:191-8. 2004
    ..To examine the effects of methylphenidate on different attentional functions and behavior in children with attention-deficit/hyperactivity disorder (ADHD)...
  4. doi request reprint Neural mechanisms of empathy in adolescents with autism spectrum disorder and their fathers
    Ellen Greimel
    Child Neuropsychology Section, Department of Child and Adolescent Psychiatry and Psychotherapy, University Hospital of the RWTH Aachen, Neuenhofer Weg 21, Germany
    Neuroimage 49:1055-65. 2010
    ..Moreover, the findings provide evidence that both aberrant neural face and mirroring mechanisms are implicated in empathy impairments in ASD...
  5. doi request reprint Neural mechanisms of encoding social and non-social context information in autism spectrum disorder
    Ellen Greimel
    Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital of the RWTH Aachen, Aachen, Germany
    Neuropsychologia 50:3440-9. 2012
    ..Increased activation in the dorsal MPFC in ASD individuals might reflect supervisory cognitive processes related to the suppression of a distracting non-social context...
  6. doi request reprint Morphometric brain abnormalities in boys with conduct disorder
    Thomas Huebner
    Department of Child and Adolescent Psychiatry and Psychotherapy, University Hospital, RWTH Aachen, Germany
    J Am Acad Child Adolesc Psychiatry 47:540-7. 2008
    ..Although there have been several neuroimaging studies on morphometric differences in adults with antisocial personality disorder, little is known about structural brain aberrations in boys with CD...
  7. doi request reprint Cognitive flexibility in juvenile anorexia nervosa patients before and after weight recovery
    Katharina Bühren
    Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital of the RWTH Aachen, Neuenhofer Weg 21, 52074 Aachen, Germany
    J Neural Transm 119:1047-57. 2012
    ..One could speculate that the shorter duration of illness and the incomplete maturation of the prefrontal cortices contribute to these findings...
  8. ncbi request reprint Long-term effects of methylphenidate on neural networks associated with executive attention in children with ADHD: results from a longitudinal functional MRI study
    Kerstin Konrad
    Child Neuropsychology Section, Department of Child and Adolescent Psychiatry, University Hospital Aachen, Germany
    J Am Acad Child Adolesc Psychiatry 46:1633-41. 2007
    ....
  9. doi request reprint Coherent motion processing in autism spectrum disorder (ASD): an fMRI study
    Sarah Brieber
    Child Neuropsychology Section, Department of Child and Adolescent Psychiatry and Psychotherapy, University Hospital of the RWTH Aachen, D 52074 Aachen, Germany
    Neuropsychologia 48:1644-51. 2010
    ..This might reflect differences in the perception of visual stimuli in ASD, which possibly result in impaired integration of motion signals...
  10. doi request reprint Sex differences in attentional performance and their modulation by methylphenidate in children with attention-deficit/hyperactivity disorder
    Thomas Gunther
    Child Neuropsychology Section, Department of Child and Adolescent Psychiatry, University Hospital of the RWTH Aachen, Aachen, Germany
    J Child Adolesc Psychopharmacol 20:179-86. 2010
    ....
  11. doi request reprint Impact of anxiety disorders on attentional functions in children with ADHD
    Timo D Vloet
    Department of Child and Adolescent Psychiatry, Medical Faculty, RWTH Aachen University, D 52074 Aachen, Germany
    J Affect Disord 124:283-90. 2010
    ..This is the first study that examines the influence of anxiety disorders (ANX) on ADHD in a model-oriented approach including selectivity and intensity parameters of attention...
  12. pmc The role of impulsivity, inattention and comorbid ADHD in patients with bulimia nervosa
    Jochen Seitz
    Department of Child and Adolescent Psychiatry, Psychotherapy and Psychosomatics, University Hospital, Aachen, Germany
    PLoS ONE 8:e63891. 2013
    ..In particular, their specific contribution to disordered eating symptoms and whether they have additive effects to the general psychopathological burden remains unclear...
  13. doi request reprint Differential patterns of disordered eating in subjects with ADHD and overweight
    Christine Wilhelm
    Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Clinics, RWTH Aachen University, Aachen, Germany
    World J Biol Psychiatry 12:118-23. 2011
    ..Despite growing evidence for an association between overweight and attention-deficit/hyperactivity disorder (ADHD), still little is known about the mechanisms underlying this relationship...
  14. ncbi request reprint Clinical evaluation of subjective and objective changes in motor activity and attention in children with attention-deficit/hyperactivity disorder in a double-blind methylphenidate trial
    Kerstin Konrad
    Department of Child and Adolescent Psychiatry, University Hospital Aachen, Aachen, Germany
    J Child Adolesc Psychopharmacol 15:180-90. 2005
    ..Thus, for clinical practice, it should be taken into account that behavior ratings of ADHD symptoms seemed to be predominantly influenced by changes of motor activity...
  15. ncbi request reprint Dysfunctional attentional networks in children with attention deficit/hyperactivity disorder: evidence from an event-related functional magnetic resonance imaging study
    Kerstin Konrad
    Department of Child and Adolescent Psychiatry, University Hospital Aachen, Germany
    Biol Psychiatry 59:643-51. 2006
    ..Although there is evidence for attentional dysfunction in children with attention deficit/hyperactivity disorder (ADHD), the neural basis of these deficits remains poorly understood...
  16. pmc Changes in grey matter development in autism spectrum disorder
    Ellen Greimel
    Child Neuropsychology Section, Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital of the RWTH Aachen, Aachen, Germany
    Brain Struct Funct 218:929-42. 2013
    ..Results on age-related changes of regional GM volumes suggest that ASD is characterized by complex alterations in lifetime trajectories of several brain regions that underpin social-cognitive and motor functions...
  17. pmc Reduced cortisol in boys with early-onset conduct disorder and callous-unemotional traits
    Georg G von Polier
    Department of Child and Adolescent Psychiatry, Medical Faculty, RWTH Aachen University, Neuenhofer Weg 21, 52074 Aachen, Germany
    Biomed Res Int 2013:349530. 2013
    ..The aim of the current study was to investigate associations among CU traits, antisocial behavior, and comorbid ADHD symptomatology with cortisol levels in male children and adolescents...
  18. doi request reprint Modulation of attention-deficit/hyperactivity disorder symptoms by short- and long-acting methylphenidate over the course of a day
    Thomas Gunther
    Child Neuropsychology Section, Department of Child and Adolescent Psychiatry, University Hospital of the RWTH Aachen, Aachen, Germany
    J Child Adolesc Psychopharmacol 22:131-8. 2012
    ..Thus, our data suggest that it is crucial to assess the different domains of ADHD symptoms precisely over the course of a day to determine the optimal titration and stimulant formulation for a person with ADHD...
  19. doi request reprint Attentional functions in children and adolescents with ADHD, depressive disorders, and the comorbid condition
    Thomas Gunther
    Child Neuropsychology Section, Department of Child and Adolescent Psychiatry, Medical Faculty, RWTH Aachen University, Germany
    J Child Psychol Psychiatry 52:324-31. 2011
    ..This study examines the influence of DDs on ADHD in a model-oriented approach that includes selectivity and intensity attention parameters...
  20. doi request reprint Age-dependent differences in attentional processes in ADHD and disruptive behavior disorder
    Thomas Gunther
    Child Neuropsychology Section, Department of Child and Adolescent Psychiatry, University Clinics, Technical University Aachen, Aachen, Germany
    Dev Neuropsychol 34:422-34. 2009
    ..However, these group differences between ADHD, ADHD + DBD, and controls decreased with increasing age. Thus, age-related differences must be considered in neuropsychological studies...
  21. ncbi request reprint Structural brain abnormalities in adolescents with autism spectrum disorder and patients with attention deficit/hyperactivity disorder
    Sarah Brieber
    Child Neuropsychology Section, Department of Child and Adolescent Psychiatry, University Hospital Aachen, Germany
    J Child Psychol Psychiatry 48:1251-8. 2007
    ..For the identification of endophenotypes across diagnostic categories, further investigations of phenotypic overlap between ADHD and autism at the behavioural, neurocognitive, and brain levels are needed...
  22. ncbi request reprint The influence of risperidone on attentional functions in children and adolescents with attention-deficit/hyperactivity disorder and co-morbid disruptive behavior disorder
    Thomas Gunther
    Department of Child and Adolescent Psychiatry, Aachen University, Aachen, Germany
    J Child Adolesc Psychopharmacol 16:725-35. 2006
    ..However, no negative impact of risperidone was observed on attentional functions either, i.e., there was no slowing of cognitive speed...
  23. pmc Attentional performance in children and adolescents with tic disorder and co-occurring attention-deficit/hyperactivity disorder: new insights from a 2 × 2 factorial design study
    Ellen Greimel
    Child Neuropsychology Section, Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital of RWTH Aachen, 52074, Aachen, Germany
    J Abnorm Child Psychol 39:819-28. 2011
    ....
  24. ncbi request reprint The influence of sertraline on attention and verbal memory in children and adolescents with anxiety disorders
    Thomas Gunther
    Department of Child and Adolescent Psychiatry, Aachen University, Aachen, Germany
    J Child Adolesc Psychopharmacol 15:608-18. 2005
    ..Thus, the cognitive side effects of sertraline seemed to differ slightly between pediatric patients and those described in adult patient groups, should, therefore, be carefully assessed...
  25. pmc The role of finger representations and saccades for number processing: an FMRI study in children
    Helga Krinzinger
    Section Child Neuropsychology, Department of Child and Adolescent Psychiatry, University Hospital of the RWTH Aachen Aachen, Germany
    Front Psychol 2:373. 2011
    ..We conclude that finger counting may critically mediate the step from non-symbolic to symbolic and exact number processing via somatosensory integration processes and therefore represents an important example of embodied cognition...
  26. doi request reprint Neural interaction of speech and gesture: differential activations of metaphoric co-verbal gestures
    Tilo Kircher
    Department of Psychiatry and Psychotherapy, RWTH Aachen University, Pauwelsstr 30, D 52074 Aachen, Germany
    Neuropsychologia 47:169-79. 2009
    ..Speech related gestures seem to enhance language comprehension during the face-to-face communication...
  27. ncbi request reprint Development of attentional networks: an fMRI study with children and adults
    Kerstin Konrad
    Department of Child and Adolescent Psychiatry, University Hospital Aachen, D 52074 Aachen, Germany
    Neuroimage 28:429-39. 2005
    ....
  28. ncbi request reprint [Reliability of attention and verbal memory tests with normal children and adolescents--clinical implications]
    Thomas Gunther
    Klinik fur Kinder und Jugendpsychiatrie und psychotherapie, Universitatsklinikum Aachen
    Z Kinder Jugendpsychiatr Psychother 33:169-79. 2005
    ..Selected clinical findings are summarised. Neuropsychological attention and memory tasks that are suited for the examination of children and adolescents are described...
  29. doi request reprint [Psychiatric disorders after early brain damage in children and adolescents - four case reports]
    Thomas Gunther
    Lehr und Forschungsgebiet für klinische Neuropsychologie des Kindes und Jugendalters, Klinik für Kinder und Jugendpsychiatrie, Universitätsklinikum der RWTH Aachen
    Z Kinder Jugendpsychiatr Psychother 36:427-35. 2008
    ..The characteristics of children and adolescents with organic mental disorders with regard to diagnosis and intervention will be exemplified and discussed within the following four case studies...
  30. ncbi request reprint Neuropsychological and behavioural disinhibition in adult ADHD compared to borderline personality disorder
    K Lampe
    Department of Psychiatry and Psychotherapy, RWTH Aachen, University Hospital, Rostock, Germany
    Psychol Med 37:1717-29. 2007
    ....
  31. ncbi request reprint Verbal memory and aspects of attentional control in children and adolescents with anxiety disorders or depressive disorders
    Thomas Gunther
    Department of Child and Adolescent Psychiatry, University Hospital of Aachen, Neuenhofer Weg 21, D 52074 Aachen, Germany
    J Affect Disord 82:265-9. 2004
    ..The aim was to examine basic performance on attention and memory tasks in treatment-naive children and adolescents with anxiety disorder or depressive disorder and in healthy subjects under drug-free conditions...
  32. doi request reprint Sensitivity, reproducibility, and reliability of self-paced versus fixed stimulus presentation in an fMRI study on exact, non-symbolic arithmetic in typically developing children aged between 6 and 12 years
    Helga Krinzinger
    Section Child Neuropsychology, Department of Child and Adolescent Psychiatry, University Hospital of the RWTH, Aachen, Germany
    Dev Neuropsychol 36:721-40. 2011
    ..Therefore, self-paced study designs seem to be a valid option for developmental fMRI studies on higher cognition...
  33. doi request reprint Early pathogenic care and the development of ADHD-like symptoms
    Brigitte Dahmen
    Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, Medical Faculty, RWTH Aachen University, Neuenhofer Weg 21, 52074 Aachen, Germany
    J Neural Transm 119:1023-36. 2012
    ..Based on this evidence, suggestions for the treatment of ADHD-like symptoms in children after adverse early life experiences are provided...
  34. doi request reprint Aetiology of anorexia nervosa: from a "psychosomatic family model" to a neuropsychiatric disorder?
    Beate Herpertz-Dahlmann
    Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, RWTH Aachen University, Neuenhofer Weg 21, 52074 Aachen, Germany
    Eur Arch Psychiatry Clin Neurosci 261:S177-81. 2011
    ....
  35. ncbi request reprint Age-dependent neuropsychological deficits and effects of methylphenidate in children with attention-deficit/hyperactivity disorder: a comparison of pre- and grade-school children
    C Hanisch
    Department of Child and Adolescent Psychiatry, Technical University, Aachen, Germany
    J Neural Transm 111:865-81. 2004
    ..Depending on the nature of the specified attention deficit, subjects were assigned to groups of cognitive subtypes. The effects of methylphenidate (MPH) were analysed depending on age and cognitive subtype...
  36. ncbi request reprint Inhibitory control in children with traumatic brain injury (TBI) and children with attention deficit/hyperactivity disorder (ADHD)
    K Konrad
    Clinics for Child and Adolescent Psychiatry, RWTH Aachen, Germany
    Brain Inj 14:859-75. 2000
    ....
  37. doi request reprint Structural and functional MRI- findings in children and adolescents with antisocial behavior
    Timo D Vloet
    Department of Child and Adolescent Psychiatry and Psychotherapy, RWTH Aachen, University Hospital, Neuenhofer Weg 21, D 52074 Aachen, Germany
    Behav Sci Law 26:99-111. 2008
    ..Neurobiological aspects of CD have been investigated in these children but little is known about structural and functional brain aberrations...
  38. pmc Hyperresponsiveness to social rewards in children and adolescents with attention-deficit/hyperactivity disorder (ADHD)
    Gregor Kohls
    Child Neuropsychology Section, Department of Child and Adolescent Psychiatry and Psychotherapy, RWTH Aachen University, Neuenhofer Weg 21, D 52074 Aachen, Germany
    Behav Brain Funct 5:20. 2009
    ..abstract:..
  39. ncbi request reprint Oculomotor inhibition in children with and without attention-deficit hyperactivity disorder (ADHD)
    C Hanisch
    Department of Child and Adolescent Psychiatry, University Hospital Aachen, Germany
    J Neural Transm 113:671-84. 2006
    ....
  40. ncbi request reprint Overweight and obesity in children with Attention-Deficit/Hyperactivity Disorder
    K Holtkamp
    Department of Child and Adolescent Psychiatry and Psychotherapy, Technical University of Aachen, Germany
    Int J Obes Relat Metab Disord 28:685-9. 2004
    ..The aim of our study was to assess if the prevalence of overweight and obesity is lower in a population of boys with ADHD in comparison with the German healthy male reference population of the same age...
  41. ncbi request reprint A genome-wide scan for attention-deficit/hyperactivity disorder in 155 German sib-pairs
    J Hebebrand
    Department of Child and Adolescent Psychiatry, University of Duisburg Essen, Essen, Germany
    Mol Psychiatry 11:196-205. 2006
    ..Despite differences in ethnicity, ascertainment and phenotyping schemes, linkage results in ADHD appear remarkably consistent...
  42. ncbi request reprint Association and linkage of allelic variants of the dopamine transporter gene in ADHD
    S Friedel
    Department of Child and Adolescent Psychiatry, University of Duisburg Essen, Essen, Germany
    Mol Psychiatry 12:923-33. 2007
    ..Future studies are required to assess if variation at this locus also explains other positive linkage results obtained for chromosome 5p...
  43. ncbi request reprint No evidence for preferential transmission of common valine allele of the Val66Met polymorphism of the brain-derived neurotrophic factor gene (BDNF) in ADHD
    B G Schimmelmann
    Department of Child and Adolescent Psychiatry, Rheinische Kliniken Essen, University of Duisburg Essen, Essen, Germany
    J Neural Transm 114:523-6. 2007
    ..We did not find support for an involvement of the Val66 allele of the Val66Met polymorphism of BDNF in the pathogenesis of ADHD in our sample...
  44. pmc Neurophysiological correlates of relatively enhanced local visual search in autistic adolescents
    Zina M Manjaly
    Institute of Neuroscience and Biophysics, Department of Medicine, Research Centre Julich, 52425 Julich, Germany
    Neuroimage 35:283-91. 2007
    ..These results suggest that enhanced local processing in early visual areas, as opposed to impaired processing of global context, is characteristic for performance of the EFT by autistic patients...
  45. doi request reprint Emotional processing in male adolescents with childhood-onset conduct disorder
    Sabine C Herpertz
    Department of Psychiatry and Psychotherapy, University of Rostock, Germany
    J Child Psychol Psychiatry 49:781-91. 2008
    ..While a number of functional neuroimaging studies on emotional processing have been performed in antisocial adults, little is known about how CD children process emotional information...
  46. ncbi request reprint [Neuroimaging data of ADHD, tic-disorder and obsessive-compulsive-disorder in children and adolescents]
    Timo D Vloet
    Klinik fur Kinder und Jugendpsychiatrie und psychotherapie, Universitatsklinikum Aachen, Neuenhofer Weg 21, DE 52074 Aachen
    Z Kinder Jugendpsychiatr Psychother 34:343-55. 2006
    ..Since the majority of the studies reviewed are characterised by small and heterogeneous samples, and since the studies differ in their methods, comparability is limited and general conclusions can not be drawn...
  47. ncbi request reprint Acquired dyslexia after stroke in the prereading stage: a single case treatment study with f MRI
    Anja Fiori
    Department of Neurolinguistics, University Hospital of Aachen, Aachen, Germany
    Neurocase 12:252-62. 2006
    ..Data showed significant gains in reading performance only after the specific intervention. These gains remained stable in a catamnesis 2 years later...
  48. ncbi request reprint Attentional dysfunction in children after corrective cardiac surgery in infancy
    Hedwig H Hövels-Gürich
    Department of Pediatric Cardiology, Aachen University of Technology, Aachen, Germany
    Ann Thorac Surg 83:1425-30. 2007
    ..Attentional dysfunction in children after corrective cardiac surgery in infancy has rarely been evaluated and is the topic of the present work...
  49. ncbi request reprint Response to emotional stimuli in boys with conduct disorder
    Sabine C Herpertz
    Department of Psychiatry and Psychotherapy, Rostock University, Gehlsheimer Str 20, D 18147 Rostock, Germany
    Am J Psychiatry 162:1100-7. 2005
    ..The purpose of this study was to examine autonomic arousal in boys with conduct disorder, comorbid conduct disorder and ADHD, and ADHD only...