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Bellato A, Hall CL, Groom MJ, Simonoff E, Thapar A, Hollis C, Cortese S. Practitioner Review: Clinical utility of the QbTest for the assessment and diagnosis of attention-deficit/hyperactivity disorder - a systematic review and meta-analysis. J Child Psychol Psychiatry 2024; 65:845-861. [PMID: 37800347 DOI: 10.1111/jcpp.13901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/04/2023] [Indexed: 10/07/2023]
Abstract
BACKGROUND Several computerised cognitive tests (e.g. continuous performance test) have been developed to support the clinical assessment of attention-deficit/hyperactivity disorder (ADHD). Here, we appraised the evidence-base underpinning the use of one of these tests - the QbTest - in clinical practice, by conducting a systematic review and meta-analysis investigating its accuracy and clinical utility. METHODS Based on a preregistered protocol (CRD42022377671), we searched PubMed, Medline, Ovid Embase, APA PsycINFO and Web of Science on 15th August 2022, with no language/type of document restrictions. We included studies reporting accuracy measures (e.g. sensitivity, specificity, or Area under the Receiver Operating Characteristics Curve, AUC) for QbTest in discriminating between people with and without DSM/ICD ADHD diagnosis. Risk of bias was assessed with the Quality Assessment of Diagnostic Accuracy Studies tool (QUADAS-2). A generic inverse variance meta-analysis was conducted on AUC scores. Pooled sensitivity and specificity were calculated using a random-effects bivariate model in R. RESULTS We included 15 studies (2,058 participants; 48.6% with ADHD). QbTest Total scores showed acceptable, rather than good, sensitivity (0.78 [95% confidence interval: 0.69; 0.85]) and specificity (0.70 [0.57; 0.81]), while subscales showed low-to-moderate sensitivity (ranging from 0.48 [0.35; 0.61] to 0.65 [0.52; 0.75]) and moderate-to-good specificity (from 0.65 [0.48; 0.78] to 0.83 [0.60; 0.94]). Pooled AUC scores suggested moderate-to-acceptable discriminative ability (Q-Total: 0.72 [0.57; 0.87]; Q-Activity: 0.67 [0.58; 0.77); Q-Inattention: 0.66 [0.59; 0.72]; Q-Impulsivity: 0.59 [0.53; 0.64]). CONCLUSIONS When used on their own, QbTest scores available to clinicians are not sufficiently accurate in discriminating between ADHD and non-ADHD clinical cases. Therefore, the QbTest should not be used as stand-alone screening or diagnostic tool, or as a triage system for accepting individuals on the waiting-list for clinical services. However, when used as an adjunct to support a full clinical assessment, QbTest can produce efficiencies in the assessment pathway and reduce the time to diagnosis.
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Affiliation(s)
- Alessio Bellato
- School of Psychology, University of Nottingham, Nottingham, Malaysia
- Mind & Neurodevelopment (MiND) Research Cluster, University of Nottingham, Nottingham, Malaysia
| | - Charlotte L Hall
- NIHR MindTech MedTech Co-operative, Institute of Mental Health, School of Medicine, University of Nottingham, Nottingham, UK
- NIHR Nottingham Biomedical Research Centre, Institute of Mental Health, University of Nottingham, Nottingham, UK
- Mental Health and Clinical Neurosciences, School of Medicine, University of Nottingham, Nottingham, UK
| | - Madeleine J Groom
- NIHR MindTech MedTech Co-operative, Institute of Mental Health, School of Medicine, University of Nottingham, Nottingham, UK
- NIHR Nottingham Biomedical Research Centre, Institute of Mental Health, University of Nottingham, Nottingham, UK
- Mental Health and Clinical Neurosciences, School of Medicine, University of Nottingham, Nottingham, UK
| | - Emily Simonoff
- Department of Child and Adolescent Psychiatry, King's College London, Institute of Psychiatry, Psychology and Neuroscience, London, UK
| | - Anita Thapar
- Division of Psychological Medicine and Clinical Neurosciences, Wolfson Centre for Young People's Mental Health, Cardiff University School of Medicine, Cardiff, UK
| | - Chris Hollis
- NIHR MindTech MedTech Co-operative, Institute of Mental Health, School of Medicine, University of Nottingham, Nottingham, UK
- NIHR Nottingham Biomedical Research Centre, Institute of Mental Health, University of Nottingham, Nottingham, UK
- Mental Health and Clinical Neurosciences, School of Medicine, University of Nottingham, Nottingham, UK
| | - Samuele Cortese
- Mental Health and Clinical Neurosciences, School of Medicine, University of Nottingham, Nottingham, UK
- Centre for Innovation in Mental Health, School of Psychology, Faculty of Environmental and Life Sciences, University of Southampton, Southampton, UK
- Solent NHS Trust, Southampton, UK
- Clinical and Experimental Sciences (CNS and Psychiatry), Faculty of Medicine, University of Southampton, Southampton, UK
- Hassenfeld Children's Hospital at NYU Langone, New York University Child Study Center, New York, NY, USA
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Peterson BS, Trampush J, Brown M, Maglione M, Bolshakova M, Rozelle M, Miles J, Pakdaman S, Yagyu S, Motala A, Hempel S. Tools for the Diagnosis of ADHD in Children and Adolescents: A Systematic Review. Pediatrics 2024; 153:e2024065854. [PMID: 38523599 DOI: 10.1542/peds.2024-065854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/26/2024] [Indexed: 03/26/2024] Open
Abstract
CONTEXT Correct diagnosis is essential for the appropriate clinical management of attention-deficit/hyperactivity disorder (ADHD) in children and adolescents. OBJECTIVE This systematic review provides an overview of the available diagnostic tools. DATA SOURCES We identified diagnostic accuracy studies in 12 databases published from 1980 through June 2023. STUDY SELECTION Any ADHD tool evaluation for the diagnosis of ADHD, requiring a reference standard of a clinical diagnosis by a mental health specialist. DATA EXTRACTION Data were abstracted and critically appraised by 1 reviewer and checked by a methodologist. Strength of evidence and applicability assessments followed Evidence-based Practice Center standards. RESULTS In total, 231 studies met eligibility criteria. Studies evaluated parental ratings, teacher ratings, youth self-reports, clinician tools, neuropsychological tests, biospecimen, EEG, and neuroimaging. Multiple tools showed promising diagnostic performance, but estimates varied considerably across studies, with a generally low strength of evidence. Performance depended on whether ADHD youth were being differentiated from neurotypically developing children or from clinically referred children. LIMITATIONS Studies used different components of available tools and did not report sufficient data for meta-analytic models. CONCLUSIONS A valid and reliable diagnosis of ADHD requires the judgment of a clinician who is experienced in the evaluation of youth with and without ADHD, along with the aid of standardized rating scales and input from multiple informants across multiple settings, including parents, teachers, and youth themselves.
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Affiliation(s)
- Bradley S Peterson
- Institute for the Developing Mind, Children's Hospital Los Angeles, Los Angeles, California
- Department of Psychiatry, Keck School of Medicine at the University of Southern California, Los Angeles, California
| | - Joey Trampush
- Department of Psychiatry, Keck School of Medicine at the University of Southern California, Los Angeles, California
| | - Morah Brown
- Southern California Evidence Review Center, Los Angeles, California
| | | | - Maria Bolshakova
- Southern California Evidence Review Center, Los Angeles, California
| | - Mary Rozelle
- Southern California Evidence Review Center, Los Angeles, California
| | - Jeremy Miles
- Southern California Evidence Review Center, Los Angeles, California
| | - Sheila Pakdaman
- Southern California Evidence Review Center, Los Angeles, California
| | - Sachi Yagyu
- Southern California Evidence Review Center, Los Angeles, California
| | - Aneesa Motala
- Southern California Evidence Review Center, Los Angeles, California
| | - Susanne Hempel
- Southern California Evidence Review Center, Los Angeles, California
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Arrondo G, Mulraney M, Iturmendi-Sabater I, Musullulu H, Gambra L, Niculcea T, Banaschewski T, Simonoff E, Döpfner M, Hinshaw SP, Coghill D, Cortese S. Systematic Review and Meta-Analysis: Clinical Utility of Continuous Performance Tests for the Identification of Attention-Deficit/Hyperactivity Disorder. J Am Acad Child Adolesc Psychiatry 2024; 63:154-171. [PMID: 37004919 DOI: 10.1016/j.jaac.2023.03.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 03/25/2023] [Accepted: 03/29/2023] [Indexed: 04/04/2023]
Abstract
OBJECTIVE We aimed to quantify the clinical utility of continuous performance tests (CPTs) for the diagnosis of attention-deficit/hyperactivity disorder (ADHD) compared to a clinical diagnosis in children and adolescents. METHOD Four databases (MEDLINE, PsycINFO, EMBASE, and PubMed) were screened until January 2023. Risk of bias of included results was judged with the Quality Assessment of Diagnostic Accuracy Studies (QUADAS-2). We statistically pooled the area under the curve, the sensitivity, and the specificity of 3 commonly used CPTs subscales: omission/inattention, commission/impulsivity, and total number of errors/ADHD subscales (PROSPERO registration: CRD42020168091). RESULTS A total of 19 studies using commercially available CPTs were identified. Results from up to 835 control individuals and 819 cases were combined in the summary receiver operating characteristic (ROC) curve analyses (sensitivity and specificity pooling), and up to 996 cases and 1,083 control individuals in the area under the curve (AUC) analyses. Clinical utility as measured by AUCs could be considered as barely acceptable (between 0.7 and 0.8) for the most part, with the best results for the total/ADHD score, followed by omissions/inattention, and poorest for commission/impulsivity scores. A similar pattern was found when pooling sensitivity and specificity: 0.75 (95% CI = 0.66-0.82) and 0.71 (0.62-0.78) for the total/ADHD score; 0.63 (0.49-0.75) and 0.74 (0.65-0.81) for omissions; and 0.59 (0.38-0.77) and 0.66 (CI = 0.50-0.78) for commissions. CONCLUSION At the clinical level, CPTs as a stand-alone tool have only a modest to moderate ability to differentiate ADHD from non-ADHD samples. Hence, they should be used only within a more comprehensive diagnostic process. STUDY PREREGISTRATION INFORMATION A systematic review of screening tools for ADHD in children and adolescents; https://www.crd.york.ac.uk/prospero/; CRD42020168091.
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Affiliation(s)
| | - Melissa Mulraney
- University of Melbourne, Australia, and Murdoch Children's Research Institute, Melbourne; Institute for Social Neuroscience, Ivanhoe, Australia
| | | | | | | | | | | | - Emily Simonoff
- Institute of Psychiatry, Psychology and Neuroscience, and Maudsley Biomedical Research Centre, King's College, London, United Kingdom
| | | | - Stephen P Hinshaw
- University of California, Berkeley, and the University of California, San Francisco, USA
| | - David Coghill
- University of Melbourne, Australia, and Murdoch Children's Research Institute, Melbourne
| | - Samuele Cortese
- University of Southampton, Southampton, United Kingdom; Solent NHS Trust, Southampton, United Kingdom; New York University, New York, and the University of Nottingham, United Kingdom
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Kaiser A, Aggensteiner PM, Blasco Fontecilla H, Ros T, Acquaviva E, Attal Y, Banaschewski T, Baumeister S, Bousquet E, Bussalb A, Delhaye M, Delorme R, Drechsler R, Goujon A, Häge A, Mayaud L, Mechler K, Menache C, Revol O, Tagwerker F, Walitza S, Werling AM, Bioulac S, Purper-Ouakil D, Brandeis D. Limited usefulness of neurocognitive functioning indices as predictive markers for treatment response to methylphenidate or neurofeedback@home in children and adolescents with ADHD. Front Psychiatry 2024; 14:1331004. [PMID: 38312916 PMCID: PMC10836215 DOI: 10.3389/fpsyt.2023.1331004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 12/29/2023] [Indexed: 02/06/2024] Open
Abstract
Introduction Earlier studies exploring the value of executive functioning (EF) indices for assessing treatment effectiveness and predicting treatment response in attention-deficit/hyperactivity disorder (ADHD) mainly focused on pharmacological treatment options and revealed rather heterogeneous results. Envisioning the long-term goal of personalized treatment selection and intervention planning, this study comparing methylphenidate treatment (MPH) and a home-based neurofeedback intervention (NF@Home) aimed to expand previous findings by assessing objective as well as subjectively reported EF indices and by analyzing their value as treatment and predictive markers. Methods Children and adolescents (n = 146 in the per protocol sample) aged 7-13 years with a formal diagnosis of an inattentive or combined presentation of ADHD were examined. We explored the EF performance profile using the Conners Continuous Performance Task (CPT) and the BRIEF self-report questionnaire within our prospective, multicenter, randomized, reference drug-controlled NEWROFEED study with sites in five European countries (France, Spain, Switzerland, Germany, and Belgium). As primary outcome for treatment response, the clinician-rated ADHD Rating Scale-IV was used. Patients participating in this non-inferiority trial were randomized to either NF@home (34-40 sessions of TBR or SMR NF depending on the pre-assessed individual alpha peak frequency) or MPH treatment (ratio: 3:2). Within a mixed-effects model framework, analyses of change were calculated to explore the predictive value of neurocognitive indices for ADHD symptom-related treatment response. Results For a variety of neurocognitive indices, we found a significant pre-post change during treatment, mainly in the MPH group. However, the results of the current study reveal a rather limited prognostic value of neurocognitive indices for treatment response to either NF@Home or MPH treatment. Some significant effects emerged for parent-ratings only. Discussion Current findings indicate a potential value of self-report (BRIEF global score) and some objectively measured neurocognitive indices (CPT commission errors and hit reaction time variability) as treatment markers (of change) for MPH. However, we found a rather limited prognostic value with regard to predicting treatment response not (yet) allowing recommendation for clinical use. Baseline symptom severity was revealed as the most relevant predictor, replicating robust findings from previous studies.
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Affiliation(s)
- Anna Kaiser
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | - Pascal M Aggensteiner
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | | | - Tomas Ros
- Department of Neuroscience, Campus Biotech CISA-Université de Genève, Genève, Switzerland
| | - Eric Acquaviva
- Child and Adolescent Psychiatry Department and Child Brain Institute, Robert Debré Hospital, Assistance Publique-Hôpitaux de Paris and Universite Paris Cite, Paris, France
| | | | - Tobias Banaschewski
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | - Sarah Baumeister
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | - Elisa Bousquet
- Unit of Child and Adolescent Psychiatry (MPEA1), CHU Montpellier-Saint Eloi Hospital, University of Montpellier, Montpellier, France
| | | | - Marie Delhaye
- Child and Adolescent Psychiatry, Erasme Academic Hospital, Université Libre de Bruxelles, Bruxelles, Belgium
| | - Richard Delorme
- Child and Adolescent Psychiatry Department and Child Brain Institute, Robert Debré Hospital, Assistance Publique-Hôpitaux de Paris and Universite Paris Cite, Paris, France
| | - Renate Drechsler
- Department of Child and Adolescent Psychiatry and Psychotherapy, University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland
| | - Allison Goujon
- Unit of Child and Adolescent Psychiatry (MPEA1), CHU Montpellier-Saint Eloi Hospital, University of Montpellier, Montpellier, France
| | - Alexander Häge
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | | | - Konstantin Mechler
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | | | - Olivier Revol
- Unit of Child and Adolescent Psychiatry, Hospices civils de Lyon, Hôpital Femme Mère Enfant, Bron Cedex, France
| | - Friederike Tagwerker
- Department of Child and Adolescent Psychiatry and Psychotherapy, University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland
| | - Susanne Walitza
- Department of Child and Adolescent Psychiatry and Psychotherapy, University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland
| | - Anna Maria Werling
- Department of Child and Adolescent Psychiatry and Psychotherapy, University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland
| | - Stéphanie Bioulac
- SANPSY, USR 3413, CNRS, Bordeaux, France
- Clinique du Sommeil, CHU Pellegrin, Bordeaux Cedex, France
| | - Diane Purper-Ouakil
- Unit of Child and Adolescent Psychiatry (MPEA1), CHU Montpellier-Saint Eloi Hospital, University of Montpellier, Montpellier, France
- Development and Trajectories, INSERM CESP U 1018 Psychiatry, Montpellier, France
- CESP, INSERM U 1018, Paul Brousse Hospital, Villejuif, France
| | - Daniel Brandeis
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
- Department of Child and Adolescent Psychiatry and Psychotherapy, University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland
- Neuroscience Center Zurich, University of Zurich and ETH Zurich, Zurich, Switzerland
- Zurich Center for Integrative Human Physiology, University of Zurich, Zurich, Switzerland
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Stevanovic D, Nasic S, Doric A, Wentz E, Knez R. The Structure and Diagnostic Accuracy of the QbTest in Pediatric ADHD: A Retrospective Clinical Study. J Atten Disord 2023; 27:1296-1305. [PMID: 37199293 DOI: 10.1177/10870547231174035] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
OBJECTIVE The QbTest that combines a continuous performance task (CPT) with a motion-tracking system may help identify attention deficit hyperactivity disorder (ADHD). This study examined the structure and diagnostic ability of the QbTest in children and adolescents. METHOD Retrospective data from 1,274 children and adolescents were analyzed. The study assessed data on a principal component analysis (PCA), sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV). RESULTS The QbActivity component included the variables micro-events, distance, area, and time active; the QbImpulsivity included normalized commissions and commissions (anticipatory errors were added in a version for 6-12-year-olds only); and the QbInattention included omissions, reaction time, and reaction time variation. Sensitivity ranged between 22% and 50%, specificity 79% and 96%, PPVs 40% and 95%, and NPVs 24% and 66%. CONCLUSION The structure of the QbTest with three cardinal parameters and nine/ten CPT and motion analysis variables was supported. The diagnostic accuracy was found to be poor to moderate. Given that this is a retrospective study, the interpretation of diagnostic accuracy should be considered within this context.
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Affiliation(s)
- Dejan Stevanovic
- Clinic for Neurology and Psychiatry for Children and Youth, Belgrade, Serbia
- University of Gothenburg, Sweden
| | - Salmir Nasic
- University of Gothenburg, Sweden
- Skaraborgs Hospital, Skövde, Sweden
| | - Ana Doric
- University of Rijeka, Croatia
- IntechOpen Limited, Rijeka, Croatia
| | | | - Rajna Knez
- University of Gothenburg, Sweden
- Skaraborgs Hospital, Skövde, Sweden
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Jones SA, Tipsord J, Nagel BJ, Nigg JT. A preliminary study of white matter correlates of a laboratory measure of attention and motor stability in attention-deficit/hyperactivity disorder. J Psychiatr Res 2023; 160:110-116. [PMID: 36804107 PMCID: PMC10023490 DOI: 10.1016/j.jpsychires.2023.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 01/17/2023] [Accepted: 02/05/2023] [Indexed: 02/10/2023]
Abstract
Attention-deficit/hyperactivity disorder (ADHD) is a complex behavioral disorder, often difficult and time consuming to diagnose. Laboratory assessment of ADHD-related constructs of attention and motor activity may be helpful in elucidating neurobiology; however, neuroimaging studies evaluating laboratory measures of ADHD are lacking. In this preliminary study, we assessed the association between fractional anisotropy (FA), a measure of white matter microstructure, and laboratory measures of attention and motor behavior using the QbTest, a widely used measure thought to improve clinician diagnostic confidence. This is the first look at neural correlates of this widely used measure. The sample included adolescents and young adults (ages 12-20, 35% female) with ADHD (n = 31) and without (n = 52). As expected, ADHD status was associated with motor activity, and cognitive inattention and impulsivity in the laboratory. With regard to MRI findings, laboratory observed motor activity and inattention were associated with greater FA in white matter regions of the primary motor cortex. All three laboratory observations were associated with lower FA in regions subserving fronto-striatal-thalamic and frontoparietal (i.e. superior longitudinal fasciculus) circuitry. Further, FA in white matter regions of the prefrontal cortex appeared to mediate the relationship between ADHD status and motor activity on the QbTest. These findings, while preliminary, suggest that performance on certain laboratory tasks is informative with regard to neurobiological correlates of subdomains of the complex ADHD phenotype. In particular, we provide novel evidence for a relationship between an objective measure of motor hyperactivity and white matter microstructure in motor and attentional networks.
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Affiliation(s)
- Scott A Jones
- Department of Psychiatry, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR, 97239, USA.
| | - Jessica Tipsord
- Department of Psychiatry, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR, 97239, USA
| | - Bonnie J Nagel
- Department of Psychiatry, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR, 97239, USA; Department of Behavioral Neuroscience, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR, 97239, USA
| | - Joel T Nigg
- Department of Psychiatry, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR, 97239, USA; Department of Behavioral Neuroscience, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR, 97239, USA
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Remote assessment of ADHD in children and adolescents: recommendations from the European ADHD Guidelines Group following the clinical experience during the COVID-19 pandemic. Eur Child Adolesc Psychiatry 2023; 32:921-935. [PMID: 36764972 PMCID: PMC9918404 DOI: 10.1007/s00787-023-02148-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 01/19/2023] [Indexed: 02/12/2023]
Abstract
The COVID-19 pandemic led ADHD services to modify the clinical practice to reduce in-person contact as much as possible to minimise viral spread. This had far-reaching effects on day-to-day clinical practice as remote assessments were widely adopted. Despite the attenuation of the acute threat from COVID, many clinical services are retaining some remote practices. The lack of clear evidence-based guidance about the most appropriate way to conduct remote assessments meant that these changes were typically implemented in a localised, ad hoc, and un-coordinated way. Here, the European ADHD Guidelines Group (EAGG) discusses the strengths and weaknesses of remote assessment methods of children and adolescents with ADHD in a narrative review based on available data and expert opinions to highlight key recommendations for future studies and clinical practice. We conclude that going forward, despite remote working in clinical services functioning adequately during the pandemic, all required components of ADHD assessment should still be completed following national/international guidelines; however, the process may need adaptation. Social restrictions, including changes in education provision, can either mask or exacerbate features associated with ADHD and therefore assessment should carefully chart symptom profile and impairment prior to, as well as during an ongoing pandemic. While remote assessments are valuable in allowing clinical services to continue despite restrictions and may have benefits for routine care in the post-pandemic world, particular attention must be paid to those who may be at high risk but not be able to use/access remote technologies and prioritize these groups for conventional face-to-face assessments.
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Luderer M, Seidt J, Gerhardt S, Hoffmann S, Vollstädt-Klein S, Reif A, Sobanski E. Drinking alcohol to cope with hyperactive ADHD? Self-reports vs. continuous performance test in patients with ADHD and/or alcohol use disorder. Front Psychiatry 2023; 14:1112843. [PMID: 36950259 PMCID: PMC10025293 DOI: 10.3389/fpsyt.2023.1112843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 02/14/2023] [Indexed: 03/08/2023] Open
Abstract
Rationale Attention deficit/hyperactivity disorder (ADHD) is common in alcohol use disorder (AUD). Continuous performance tests (CPTs) allow to measure ADHD related deficits in a laboratory setting. Most studies on this topic focused on CPTs measuring inattention or impulsivity, disregarding hyperactivity as one of the core symptoms of ADHD. Methods We examined N = 47 in three groups (ADHD N = 19; AUD N = 16; ADHD + AUD N = 12) with questionnaires on ADHD core symptoms, executive functioning (EF), mind wandering, and quality of life (QoL). N = 46 (ADHD N = 16; AUD N = 16; ADHD + AUD N = 14) were examined with a CPT (QbTest®) that also measures motor activity objectively. Results Inattention and impulsivity were significantly increased in AUD vs. ADHD and in AUD vs. ADHD + AUD. Hyperactivity was significantly higher in ADHD + AUD vs. ADHD and ADHD + AUD vs. AUD, but not in ADHD vs. AUD. EF was lower in both ADHD groups vs. AUD. Mind wandering was increased in both ADHD groups vs. AUD. QoL was significantly lower in ADHD + AUD compared to AUD. In contrast, results of the QbTest were not significantly different between groups. Conclusion Questionnaires are more useful in assessing ADHD core symptoms than the QbTest®. Hyperactivity appears to be a relevant symptom in ADHD + AUD, suggesting a possible pathway from ADHD to AUD. The lower QoL in ADHD + AUD emphasizes the need for routine screening, diagnostic procedures and treatment strategies for this patient group.
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Affiliation(s)
- Mathias Luderer
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital, Goethe University Frankfurt, Frankfurt, Germany
- *Correspondence: Mathias Luderer,
| | - Johanna Seidt
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Sarah Gerhardt
- Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Sabine Hoffmann
- Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Department of Biostatistics, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Sabine Vollstädt-Klein
- Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Andreas Reif
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital, Goethe University Frankfurt, Frankfurt, Germany
| | - Esther Sobanski
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Department of Child and Adolescent Psychiatry and Psychotherapy, Lucerne Cantonal Hospital, Lucerne, Switzerland
- Department of Child and Adolescent Psychiatry and Psychotherapy, University Medical Center Mainz, Mainz, Germany
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Chitsabesan P, Hall CL, Carter LA, Reeves M, Mohammed V, Beresford B, Young S, Kraam A, Trowse S, Wilkinson-Cunningham L, Lennox C. Using an objective computer task (QbTest) to aid the identification of attention deficit hyperactivity disorder (ADHD) in the Children and Young People Secure Estate (CYPSE): a feasibility randomised controlled trial. BMJ Open 2022; 12:e064951. [PMID: 36526320 PMCID: PMC9764651 DOI: 10.1136/bmjopen-2022-064951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
OBJECTIVES QbTest has been shown to improve time to decision/diagnosis for young people with attention deficit hyperactivity disorder (ADHD). The aim was to assess the feasibility of QbTest for young people in prison. DESIGN Single-centre feasibility randomised controlled trial (RCT), with 1:1 allocation. Concealed random allocation using an online pseudorandom list with random permuted blocks of varying sizes. SETTING One Young Offenders Institution in England. PARTICIPANTS 355 young people aged 15-18 years displaying possible symptoms of ADHD were assessed for eligibility, 69 were eligible to take part and 60 were randomised. INTERVENTION QbTest-a computer task measuring attention, activity and impulsivity. MAIN OUTCOME MEASURES Eligibility, recruitment and retention rates and acceptability of randomisation and trial participation. RESULTS Of the 355 young people assessed for eligibility, 69 were eligible and 60 were randomised (n=30 QbTest plus usual care; n=30 usual care alone). The study achieved the specified recruitment target. Trial participation and randomisation were deemed acceptable by the majority of participants. 78% of young people were followed up at 3 months, but only 32% at 6 months, although this was also affected by COVID-19 restrictions. Secondary outcomes were mixed. Participants including clinical staff were mostly supportive of the study and QbTest; however, some young people found QbTest hard and there were issues with implementation of the ADHD care pathway. There were no serious adverse events secondary to the study or intervention and no one was withdrawn from the study due to an adverse event. CONCLUSIONS With adaptations, a fully powered RCT may be achievable to evaluate the effectiveness of QbTest in the assessment of ADHD in the Children and Young People Secure Estate, with time to decision (days) as the primary outcome measure. However, further programme developmental work is required to address some of the challenges highlighted prior to a larger trial. TRIAL REGISTRATION NUMBER ISRCTN17402196.
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Affiliation(s)
- Prathiba Chitsabesan
- Children and Young People's Research Unit, Pennine Care NHS Foundation Trust, Ashton-under-Lyne, UK
| | - Charlotte Lucy Hall
- Psychiatry, Institute of Mental Health, NIHR CLAHRC-East Midlands, Nottingham, UK
| | - Lesley-Anne Carter
- Centre for Biostatistics, Division of Population Health, Health Services Research and Primary Care, The University of Manchester, Manchester, UK
| | - Mindy Reeves
- Medical School, The University of Manchester, Manchester, UK
| | - Vaseem Mohammed
- Medical School, The University of Manchester, Manchester, UK
| | | | - Susan Young
- Department of Clinical and Forensic Psychology, Psychology ServicesLimited, London, UK
- Department of Psychology, University of Reykjavik, Reykjavik, Iceland
| | - Abdullah Kraam
- Children and Adolescent Mental Health, Rotherham Doncaster and South Humber Mental Health NHS Foundation Trust, Doncaster, UK
| | - Sally Trowse
- Child and Adolescent Mental Health Service, Pennine Care NHS Foundation Trust, Ashton-under-Lyne, UK
| | | | - Charlotte Lennox
- Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
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10
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Adamou M, Jones SL, Marks L, Lowe D. Efficacy of Continuous Performance Testing in Adult ADHD in a Clinical Sample Using QbTest. J Atten Disord 2022; 26:1483-1491. [PMID: 35255743 DOI: 10.1177/10870547221079798] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE Continuous performance tests are widely used to aid diagnostic decision making and measure symptom reduction in adult ADHD clinical populations. The diagnostic accuracy of the Quantified Behavior Test plus (QbTest+), developed to identify ADHD populations as an objective measure of ADHD symptoms, was explored. METHODS The utility of the QbTest+ was investigated in a clinical cohort of 69 adult patients referred to a specialist ADHD clinic in the UK. RESULTS Scores from the QbTest+ failed to differentiate between patients diagnosed with ADHD and those who did not receive a diagnosis after full clinical assessment. CONCLUSIONS Based on our findings, we recommend clinicians are cautious when interpreting results of the QbTest+ in clinical populations. This study highlights the need for investigation into the lack of validation of commonly used objective measures in ADHD populations.
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Affiliation(s)
| | - Sarah L Jones
- South West Yorkshire Partnership NHS Foundation Trust, Wakefield, UK
| | - Laura Marks
- University College London Hospitals NHS Foundation Trust, UK
| | - Deborah Lowe
- Greater Manchester Mental Health NHS Foundation Trust, Bolton, UK
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11
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Buitelaar J, Bölte S, Brandeis D, Caye A, Christmann N, Cortese S, Coghill D, Faraone SV, Franke B, Gleitz M, Greven CU, Kooij S, Leffa DT, Rommelse N, Newcorn JH, Polanczyk GV, Rohde LA, Simonoff E, Stein M, Vitiello B, Yazgan Y, Roesler M, Doepfner M, Banaschewski T. Toward Precision Medicine in ADHD. Front Behav Neurosci 2022; 16:900981. [PMID: 35874653 PMCID: PMC9299434 DOI: 10.3389/fnbeh.2022.900981] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 05/16/2022] [Indexed: 11/17/2022] Open
Abstract
Attention-Deficit Hyperactivity Disorder (ADHD) is a complex and heterogeneous neurodevelopmental condition for which curative treatments are lacking. Whilst pharmacological treatments are generally effective and safe, there is considerable inter-individual variability among patients regarding treatment response, required dose, and tolerability. Many of the non-pharmacological treatments, which are preferred to drug-treatment by some patients, either lack efficacy for core symptoms or are associated with small effect sizes. No evidence-based decision tools are currently available to allocate pharmacological or psychosocial treatments based on the patient's clinical, environmental, cognitive, genetic, or biological characteristics. We systematically reviewed potential biomarkers that may help in diagnosing ADHD and/or stratifying ADHD into more homogeneous subgroups and/or predict clinical course, treatment response, and long-term outcome across the lifespan. Most work involved exploratory studies with cognitive, actigraphic and EEG diagnostic markers to predict ADHD, along with relatively few studies exploring markers to subtype ADHD and predict response to treatment. There is a critical need for multisite prospective carefully designed experimentally controlled or observational studies to identify biomarkers that index inter-individual variability and/or predict treatment response.
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Affiliation(s)
- Jan Buitelaar
- Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Centre, Nijmegen, Netherlands.,Karakter Child and Adolescent Psychiatry University Center, Nijmegen, Netherlands
| | - Sven Bölte
- Center of Neurodevelopmental Disorders (KIND), Centre for Psychiatry Research, Department of Women's and Children's Health, Karolinska Institutet, Solna, Sweden.,Child and Adolescent Psychiatry, Stockholm Health Care Services, Stockholm, Sweden.,Curtin Autism Research Group, School of Occupational Therapy, Social Work and Speech Pathology, Curtin University, Perth, WA, Australia
| | - Daniel Brandeis
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany.,Department of Child and Adolescent Psychiatry and Psychotherapy, Psychiatric Hospital, University of Zurich, Zurich, Switzerland
| | - Arthur Caye
- Department of Psychiatry, Hospital de Clinicas de Porto Alegre, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.,National Institute of Developmental Psychiatry for Children and Adolescents, São Paulo, Brazil
| | - Nina Christmann
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | - Samuele Cortese
- Centre for Innovation in Mental Health, Academic Unit of Psychology, Faculty of Environmental and Life Sciences, University of Southampton, Southampton, United Kingdom.,Clinical and Experimental Sciences (CNS and Psychiatry), Faculty of Medicine, University of Southampton, Southampton, United Kingdom.,Solent National Health System Trust, Southampton, United Kingdom.,Hassenfeld Children's Hospital at NYU Langone, New York University Child Study Center, New York, NY, United States.,Division of Psychiatry and Applied Psychology, School of Medicine, University of Nottingham, Nottingham, United Kingdom
| | - David Coghill
- Departments of Paediatrics and Psychiatry, Royal Children's Hospital, University of Melbourne, Melbourne, VIC, Australia
| | - Stephen V Faraone
- Departments of Psychiatry, Neuroscience and Physiology, SUNY Upstate Medical University, Syracuse, New York, NY, United States
| | - Barbara Franke
- Departments of Human Genetics and Psychiatry, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, Netherlands
| | - Markus Gleitz
- Medice Arzneimittel Pütter GmbH & Co. KG, Iserlohn, Germany
| | - Corina U Greven
- Karakter Child and Adolescent Psychiatry University Center, Nijmegen, Netherlands.,Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, Netherlands.,King's College London, Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, London, United Kingdom
| | - Sandra Kooij
- Amsterdam University Medical Center, Location VUMc, Amsterdam, Netherlands.,PsyQ, Expertise Center Adult ADHD, The Hague, Netherlands
| | - Douglas Teixeira Leffa
- Department of Psychiatry, Hospital de Clinicas de Porto Alegre, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.,National Institute of Developmental Psychiatry for Children and Adolescents, São Paulo, Brazil
| | - Nanda Rommelse
- Karakter Child and Adolescent Psychiatry University Center, Nijmegen, Netherlands.,Department of Psychiatry, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, Netherlands
| | - Jeffrey H Newcorn
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Guilherme V Polanczyk
- Department of Psychiatry, Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil
| | - Luis Augusto Rohde
- National Institute of Developmental Psychiatry for Children and Adolescents, São Paulo, Brazil.,ADHD Outpatient Program and Developmental Psychiatry Program, Hospital de Clinica de Porto Alegre, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Emily Simonoff
- Department of Child and Adolescent Psychiatry, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom
| | - Mark Stein
- Department of Psychiatry and Behavioral Sciences, Seattle, WA, United States
| | - Benedetto Vitiello
- Department of Public Health and Pediatric Sciences, Section of Child and Adolescent Neuropsychiatry, University of Turin, Turin, Italy.,Department of Public Health, Johns Hopkins University, Baltimore, MA, United States
| | - Yanki Yazgan
- GuzelGunler Clinic, Istanbul, Turkey.,Yale Child Study Center, New Haven, CT, United States
| | - Michael Roesler
- Institute for Forensic Psychology and Psychiatry, Neurocenter, Saarland, Germany
| | - Manfred Doepfner
- Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, Medical Faculty of the University of Cologne, Cologne, Germany.,School for Child and Adolescent Cognitive Behavioural Therapy, University Hospital of Cologne, Cologne, Germany
| | - Tobias Banaschewski
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
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12
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Nylander E, Sparding T, Floros O, Rydén E, Landén M, Hansen S. The Quantified Behavioural Test Plus (QbTest+) in adult ADHD. NORDIC PSYCHOLOGY 2022. [DOI: 10.1080/19012276.2022.2036628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Elin Nylander
- Department of Psychology, University of Gothenburg, Gothenburg, Sweden
| | - Timea Sparding
- Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, the Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
| | - Orestis Floros
- Stockholm Center for Dependency Disorders, Lifestyle Treatment Unit, Stockholm, Sweden
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Eleonore Rydén
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Mikael Landén
- Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, the Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
- Department of Medical Epidemiology and Biostatics, Karolinska Institutet, Stockholm, Sweden
| | - Stefan Hansen
- Department of Psychology, University of Gothenburg, Gothenburg, Sweden
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13
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Powell LA, Parker J, Weighall A, Harpin V. Psychoeducation Intervention Effectiveness to Improve Social Skills in Young People with ADHD: A Meta-Analysis. J Atten Disord 2022; 26:340-357. [PMID: 33666104 PMCID: PMC8785297 DOI: 10.1177/1087054721997553] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVE Attention Deficit Hyperactivity Disorder (ADHD) can be associated with limited understanding of the condition and poor social skills. Some evidence favors a psychoeducational approach, but little is known about the effectiveness of psychoeducation. METHODS Systematic review and meta-analysis of studies assessing psychoeducational interventions that aim to improve social skills of young people with ADHD. RESULTS Ten studies, including 943 participants, reported across 13 papers met the inclusion criteria. Although effect sizes were small, findings suggest the included interventions significantly improved social skills in young people with ADHD. CONCLUSIONS Results show promise for psychoeducational behavioral interventions . However, the recommendations that can be developed from existing evidence are somewhat limited by the low quality of studies. Further rigorous trials are needed. In addition, future research should consider the long-term outcomes for these interventions, they should be iteratively co-designed and research should consider the context they intend to be delivered in.
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Affiliation(s)
- Lauren Amy Powell
- University of Sheffield, Sheffield, UK,Lauren Amy Powell, School of Education, University of Sheffield, Edgar Allen House, Sheffield, S10 2GW, UK.
| | | | | | - Valerie Harpin
- Ryegate Children’s Centre, Sheffield Children’s NHS Foundation Trust, Sheffield, UK
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14
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Wang XQ, Albitos PJ, Hao YF, Zhang H, Yuan LX, Zang YF. A review of objective assessments for hyperactivity in attention deficit hyperactivity disorder. J Neurosci Methods 2022; 370:109479. [PMID: 35038458 DOI: 10.1016/j.jneumeth.2022.109479] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 01/06/2022] [Indexed: 11/26/2022]
Abstract
Hyperactivity is one of the three core symptoms of attention deficit hyperactivity disorder (ADHD) that is a common childhood mental disorder. Objective assessments of hyperactivity are seldom utilized compared with measures of inattention and impulsivity during clinical diagnosis and evaluation. Acceleration-sensitive devices (e.g., Actigraph) and motion tracking systems (e.g., QbTest) are two main groups of devices that can be used to objectively measure hyperactivity. The Actigraph and QbTest have good discriminant validity, convergent validity, and sensitivity to the effects of stimulants. Furthermore, the assessment setting (i.e., research laboratory, school, or home) can greatly influence the presence and severity of hyperactivity. Nevertheless, objective assessments for hyperactivity have poor ability to distinguish ADHD from other disorders, or among the three types of ADHD. Thus, further studies are needed to assess objective measurements of hyperactivity in terms of discriminant and convergent validity, test-retest reliability in different settings, and correlations with brain activity.
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Affiliation(s)
- Xiu-Qin Wang
- Institute of Psychological Sciences, Hangzhou Normal University, Hangzhou, China; Center for Cognition and Brain Disorders, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China; Zhejiang Key Laboratory for Research in Assessment of Cognitive Impairments, Hangzhou, China
| | - Princess Jane Albitos
- Institute of Psychological Sciences, Hangzhou Normal University, Hangzhou, China; Center for Cognition and Brain Disorders, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China; Zhejiang Key Laboratory for Research in Assessment of Cognitive Impairments, Hangzhou, China
| | - Yong-Fu Hao
- Center for Cognition and Brain Disorders, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China; Zhejiang Key Laboratory for Research in Assessment of Cognitive Impairments, Hangzhou, China
| | - Hang Zhang
- Center for Cognition and Brain Disorders, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China; Zhejiang Key Laboratory for Research in Assessment of Cognitive Impairments, Hangzhou, China
| | - Li-Xia Yuan
- Center for Cognition and Brain Disorders, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China; Zhejiang Key Laboratory for Research in Assessment of Cognitive Impairments, Hangzhou, China.
| | - Yu-Feng Zang
- Center for Cognition and Brain Disorders, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China; Zhejiang Key Laboratory for Research in Assessment of Cognitive Impairments, Hangzhou, China.
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15
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Cedergren K, Östlund S, Åsberg Johnels J, Billstedt E, Johnson M. Monitoring medication response in ADHD: what can continuous performance tests tell us? Eur Arch Psychiatry Clin Neurosci 2022; 272:291-299. [PMID: 34420075 PMCID: PMC8866368 DOI: 10.1007/s00406-021-01319-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 08/11/2021] [Indexed: 11/30/2022]
Abstract
Documenting effectiveness of ADHD medication is essential throughout the course of treatment. A rating scale and a continuous performance test (CPT) with motion tracking were used to study the effect of ADHD medication including compliance during one year. Children (N = 78, age 6-18 years) with ADHD were tested with the QbTest at baseline, visit 1 (1 month after baseline) and visit 5 (12 months after baseline). The ADHD-Rating scale was rated by investigator interview at the same visits. QbTest results and ADHD-RS ratings showed reductions in symptoms on all cardinal parameters of the QbTest and on all ADHD-RS subscales between baseline and 1 month and between baseline and 12 months. There was a weak but significant correlation between the total change scores on the two measures from baseline to 1 month. Eighteen participants dropped out of the study before visit 5; at baseline, these children showed significantly lower results on the inattention parameter of the QbTest, with faster reaction time and lower variation in reaction time, suggesting they suffered less problems with inattention. Both the QbTest and the ADHD-RS showed robust ADHD symptom improvements indicative of medication effect, and the QbTest results might also predict non-compliance of medication. Further research is warranted to increase knowledge about reliable monitoring of long-term medication and compliance.
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Affiliation(s)
- K. Cedergren
- Gillberg Neuropsychiatry Centre, Sahlgrenska Academy, University of Gothenburg, Kungsgatan 12A, 411 19 Gothenburg, Sweden
| | - S. Östlund
- Gillberg Neuropsychiatry Centre, Sahlgrenska Academy, University of Gothenburg, Kungsgatan 12A, 411 19 Gothenburg, Sweden
| | - J. Åsberg Johnels
- Gillberg Neuropsychiatry Centre, Sahlgrenska Academy, University of Gothenburg, Kungsgatan 12A, 411 19 Gothenburg, Sweden
| | - E. Billstedt
- Gillberg Neuropsychiatry Centre, Sahlgrenska Academy, University of Gothenburg, Kungsgatan 12A, 411 19 Gothenburg, Sweden
| | - M. Johnson
- Gillberg Neuropsychiatry Centre, Sahlgrenska Academy, University of Gothenburg, Kungsgatan 12A, 411 19 Gothenburg, Sweden
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16
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Abstract
Attention-Deficit Hyperactivity Disorder (ADHD) is a prevalent neuropsychiatric disorder associated with significant impairment and distress throughout the lifespan. Recent investigations have shed light on different aspects regarding the trajectory of ADHD, including reports on risk factors in childhood, that are associated with remission or persistence in adulthood. Despite significant advances in our understanding of the pathophysiology of the disorder, the diagnosis of ADHD remains strictly clinical and is based on behavioral symptoms of inattention, impulsivity, and hyperactivity. In this chapter we review the diagnostic process of ADHD, discuss the clinical presentation of the disorder across the lifespan, and examine patterns of comorbidity and longitudinal predictor of outcomes.
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Affiliation(s)
- Douglas Teixeira Leffa
- ADHD Outpatient Program and Developmental Psychiatry Program, Hospital de Clinica de Porto Alegre, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Arthur Caye
- ADHD Outpatient Program and Developmental Psychiatry Program, Hospital de Clinica de Porto Alegre, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Luis Augusto Rohde
- ADHD Outpatient Program and Developmental Psychiatry Program, Hospital de Clinica de Porto Alegre, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.
- National Institute of Developmental Psychiatry, São Paulo, Brazil.
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17
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Min A, Kim JI, Noh HJ, Kim MS, Lee HS, Choi MT, Lee K, Seo JH, Lee GH, Kang SK, Ahn DH. A Novel Robot-Assisted Kinematic Measure for Children with Attention-Deficit/Hyperactivity Disorder: A Preliminary Study. Psychiatry Investig 2021; 18:645-651. [PMID: 34265198 PMCID: PMC8328839 DOI: 10.30773/pi.2021.0036] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 04/23/2021] [Indexed: 12/02/2022] Open
Abstract
OBJECTIVE Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by inattention, hyperactivity, and impulsivity. In contrast to neurocognitive measurements of inattention and impulsivity, there has been limited research regarding the objective measurement of hyperactivity in youths with ADHD. The purpose of the present study was to investigate the clinical effectiveness of a newly developed Robot-assisted Kinematic Measure for ADHD (RAKMA) in children with ADHD. METHODS In total, 35 children with ADHD aged 5 to 12 years and 50 healthy controls (HCs) were recruited, and the parents completed the Child Behavior Checklist and the Korean ADHD Diagnostic Scale. RAKMA performance was represented by RAKMA stimulus-response and hyperactivity variables. We compared the RAKMA performance of those with ADHD and with that of HCs and also investigated the correlation between the RAKMA variables and ADHD clinical scale scores. RESULTS Significant differences between the ADHD and HC groups were observed regarding most RAKMA variables, including correct reactions, commission errors, omission errors, reaction times, migration distance, and migration speed scores. Significant correlations were detected between various ADHD clinical scale scores and RAKMA variables. CONCLUSION The RAKMA was a clinically useful tool for objectively measuring hyperactivity symptoms in children with ADHD. Further studies with larger samples are warranted.
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Affiliation(s)
- Aran Min
- Bodyfriend, Incorporated, Seoul, Republic of Korea
| | - Johanna Inhyang Kim
- Department of Psychiatry, Hanyang University Medical Center, Seoul, Republic of Korea
| | | | - Moon Sang Kim
- Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Hyo-Shin Lee
- Department of Early Childhood Special Education, Daegu University, Gyeongsan, Republic of Korea
| | - Mun-Taek Choi
- School of Mechanical Engineering, Sunkyunkwan University, Suwon, Republic of Korea
| | - Kyuha Lee
- Wedu Communications, Incorporated, DMC Hi-tech Industry Center, Seoul, Republic of Korea
| | - Jun-Ho Seo
- Korean Association of Robot Industry, Seoul, Republic of Korea
| | - Ga Hyun Lee
- Department of Child Psychotherapy, Hanyang University College of Medicine, Seoul, Republic of Korea
| | | | - Dong Hyun Ahn
- Department of Psychiatry, Hanyang University Medical Center, Seoul, Republic of Korea.,Department of Child Psychotherapy, Hanyang University College of Medicine, Seoul, Republic of Korea.,Department of Psychiatry and Institute of Mental Health, Hanyang University College of Medicine, Seoul, Republic of Korea
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18
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Vogt C. Clinical Conundrums When Integrating the QbTest into a Standard ADHD Assessment of Children and Young People. Neuropediatrics 2021; 52:155-162. [PMID: 33445192 DOI: 10.1055/s-0040-1722674] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
The uptake of the QbTest in clinical practice is increasing and has recently been supported by research evidence proposing its effectiveness in relation to clinical decision-making. However, the exact underlying process leading to this clinical benefit is currently not well established and requires further clarification. For the clinician, certain challenges arise when adding the QbTest as a novel method to standard clinical practice, such as having the skills required to interpret neuropsychological test information and assess for diagnostically relevant neurocognitive domains that are related to attention-deficit hyperactivity disorder (ADHD), or how neurocognitive domains express themselves within the behavioral classifications of ADHD and how the quantitative measurement of activity in a laboratory setting compares with real-life (ecological validity) situations as well as the impact of comorbidity on test results. This article aims to address these clinical conundrums in aid of developing a consistent approach and future guidelines in clinical practice.
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Affiliation(s)
- Carsten Vogt
- Child and Adolescent Mental Health Services (CAMHS), Children Young People and Families Services (CYPF), Berkshire Healthcare NHS Foundation Trust, United Kingdom
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19
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Johansson V, Norén Selinus E, Kuja-Halkola R, Lundström S, Durbeej N, Anckarsäter H, Lichtenstein P, Hellner C. The Quantified Behavioral Test Failed to Differentiate ADHD in Adolescents With Neurodevelopmental Problems. J Atten Disord 2021; 25:312-321. [PMID: 30024318 DOI: 10.1177/1087054718787034] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Objective: The Quantified Behavioral Test (QbTest) is a computerized diagnostic test for ADHD, used in clinical psychiatric care, but its validity may be questioned. We analyzed the QbTest's diagnostic validity and its relation to cognitive ability and psychosocial factors in an adolescent population with a high occurrence of neurodevelopmental disorders. Method: In total, 340 participants aged 15 years, completed the QbTest, along with questionnaires, clinical and intelligence quotient (IQ) assessments. Results: The clinical assessment resulted in 89 (26%) participants with ADHD. Area under curve (AUC) scores indicated a random to poor validity of the QbTest (AUC range = 0.48-0.64). QbTest scores of inattention and impulsivity correlated with IQ. Conclusion: The QbTest was insufficient as a diagnostic test for ADHD, and was not able to differentiate ADHD from other neurodevelopmental conditions. Clinicians should be aware of the dubious discriminating power of the QbTest.
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Affiliation(s)
- Viktoria Johansson
- Karolinska Institutet, Stockholm, Sweden.,Stockholm County Council, Sweden
| | - Eva Norén Selinus
- Karolinska Institutet, Stockholm, Sweden.,Stockholm County Council, Sweden
| | | | | | - Natalie Durbeej
- Karolinska Institutet, Stockholm, Sweden.,Uppsala University, Sweden
| | | | | | - Clara Hellner
- Karolinska Institutet, Stockholm, Sweden.,Stockholm County Council, Sweden
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20
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Knez R, Stevanovic D, Nasic S, Doric A, Wentz E. The Impact of Methylphenidate on QbTest Performance of Children with ADHD: A Retrospective Clinical Study. Neuropsychiatr Dis Treat 2021; 17:19-32. [PMID: 33447036 PMCID: PMC7802589 DOI: 10.2147/ndt.s277490] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Accepted: 11/07/2020] [Indexed: 11/23/2022] Open
Abstract
INTRODUCTION The Quantified behavior Test (QbTest), which combines a continuous performance task (CPT) and motion tracking, provides data for the core signs of attention-deficit/hyperactivity disorder (ADHD): attention, hyperactivity, and impulsivity. This study aimed to evaluate the performance of children and adolescents with ADHD on the QbTest before and after a single methylphenidate (MPH) dose. SUBJECTS AND METHODS This retrospective chart review study included data from 149 children and 215 adolescents who completed the QbTest. A summary index of the CPT and motion capture data on the QbTest is provided by three cardinal parameters: QbActivity, QbImpulsivity, and QbInattention. The test was performed twice on the same day, before and up to three hours after MPH intake. A decrease by ≥ 0.5 in a cardinal parameter score was considered an improvement, whereas an increase by ≥ 0.5 a deterioration. RESULTS QbActivity improvement after MPH intake was present in 71.7% and 76.2% of the children and adolescents, respectively. QbImpulsivity improvement was observed in 50.4% of the children and 44.7% of the adolescents, and QbInattention improvement in 85.1% and 91.1% of the children and adolescents, respectively. All three parameters improved simultaneously in 27.7% of the children and 28.7% of the adolescents. The likelihood that one parameter deteriorated after MPH use was greater if that parameter was within the normal range before medication. This was most pronounced for QbImpulsivity. Among male adolescents, QbInattention improvement was often accompanied by QbImpulsivity deterioration. CONCLUSION The QbTest inattention and motor activity parameters improved markedly after a single MPH dose in children and adolescents with ADHD, while less so for impulsivity. Improvement of one parameter is not necessarily associated with improvement of the other two, and deterioration, especially regarding impulsivity, may occur. If confirmed, these results highlight the need for optimization and individualization of MPH treatment, while monitoring all aspects of the ADHD symptomatology based on the QbTest performance.
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Affiliation(s)
- Rajna Knez
- Department of Pediatrics, Skaraborgs Hospital, Skövde, Sweden; Sahlgrenska Academy, Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden
| | - Dejan Stevanovic
- Psychiatry Department, Clinic for Neurology and Psychiatry for Children and Youth, Belgrade, Serbia
| | - Salmir Nasic
- Research & Development Centre, Skaraborgs Hospital, Skövde, Sweden
| | - Ana Doric
- Department of Psychology, Faculty of Humanity and Social Sciences, University of Rijeka, Rijeka, Croatia
| | - Elisabet Wentz
- Sahlgrenska Academy, Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden
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21
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A Within-Sample Comparison of Two Innovative Neuropsychological Tests for Assessing ADHD. Brain Sci 2020; 11:brainsci11010036. [PMID: 33396421 PMCID: PMC7824145 DOI: 10.3390/brainsci11010036] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/25/2020] [Accepted: 12/27/2020] [Indexed: 11/17/2022] Open
Abstract
New innovative neuropsychological tests in attention deficit hyperactivity disorder ADHD have been proposed as objective measures for diagnosis and therapy. The current study aims to investigate two different commercial continuous performance tests (CPT) in a head-to-head comparison regarding their comparability and their link with clinical parameters. The CPTs were evaluated in a clinical sample of 29 adult patients presenting in an ADHD outpatient clinic. Correlational analyses were performed between neuropsychological data, clinical rating scales, and a personality-based measure. Though inattention was found to positively correlate between the two tests (r = 0.49, p = 0.01), no association with clinical measures and inattention was found for both tests. While hyperactivity did not correlate between both tests, current ADHD symptoms were positively associated with Nesplora Aquarium’s motor activity (r = 0.52 to 0.61, p < 0.05) and the Qb-Test’s hyperactivity (r = 0.52 to 0.71, p < 0.05). Conclusively, the overall comparability of the tests was limited and correlation with clinical parameters was low. While our study shows some interesting correlation between clinical symptoms and sub-scales of these tests, usage in clinical practice is not recommended.
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22
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Redondo B, Vera J, Molina R, Garcia JA, Catena A, Muñoz-Hoyos A, Jimenez R. Accommodation and pupil dynamics as potential objective predictors of behavioural performance in children with attention-deficit/hyperactivity disorder. Vision Res 2020; 175:32-40. [DOI: 10.1016/j.visres.2020.06.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 06/25/2020] [Accepted: 06/30/2020] [Indexed: 02/05/2023]
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23
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Ulberstad F, Boström H, Chavanon M, Knollmann M, Wiley J, Christiansen H, Thorell LB. Objective measurement of attention deficit hyperactivity disorder symptoms outside the clinic using the QbCheck: Reliability and validity. Int J Methods Psychiatr Res 2020; 29:e1822. [PMID: 32100383 PMCID: PMC7301281 DOI: 10.1002/mpr.1822] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Revised: 02/06/2020] [Accepted: 02/10/2020] [Indexed: 11/15/2022] Open
Abstract
Objective measurements of ADHD symptom levels can be a highly valuable complement to ratings. However, sometimes it is not feasible to bring patients into the clinic/lab for assessment. The aim of the present study was therefore to evaluate the psychometric properties of the QbCheck, an online computerized test that measures errors and reaction time as well as activity during testing using the computer's built-in web camera. Study I (n = 27 adolescents/adults) investigated test-retest reliability and concurrent validity of the QbCheck. Study II included 142 adolescents/adults (69 with ADHD/73 controls) and investigated convergent and diagnostic validity, as well as usability, of the QbCheck. In Study I, the QbCheck showed high test-retest reliability and high concurrent validity. In Study II, high convergent validity was observed when studying associations between the QbCheck performed in the home and the QbTest performed at the clinic. In addition, the QbCheck discriminated well between patients with ADHD and controls, with a sensitivity of 82.6 and a specificity of 79.5. The QbCheck appears to be a valuable test with good psychometric properties and will thereby enable assessment of ADHD symptom levels in adolescents and adults outside the clinic in the home setting.
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Affiliation(s)
- Fredrik Ulberstad
- Department of Clinical NeuroscienceKarolinska InstitutetStockholmSweden
| | - Hans Boström
- Department of Clinical NeuroscienceKarolinska InstitutetStockholmSweden
| | - Mira‐Lynn Chavanon
- Clinical Child and Adolescent Psychology, Department of PsychologyPhilipps University MarburgGermany
| | - Martin Knollmann
- Department of Child and Adolescent Psychiatry, Psychosomatics, and PsychotherapyUniversity Hospital Essen, University of Duisburg‐EssenEssenGermany
| | | | - Hanna Christiansen
- Clinical Child and Adolescent Psychology, Department of PsychologyPhilipps University MarburgGermany
| | - Lisa B. Thorell
- Department of Clinical NeuroscienceKarolinska InstitutetStockholmSweden
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24
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Li W, Chang C, Liang S, Bigler ED. Radiographic and neurobehavioral profile of sports-related concussion associated with scholastic wrestling: a case report. Neurocase 2020; 26:147-155. [PMID: 32412324 DOI: 10.1080/13554794.2020.1764977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Sports-related concussions (SRCs) are typically characterized by transient neurologic deficits due to physiologic and metabolic brain injury. However, following an SRC, subsequent insults may lead to severe and permanent injury in the affected brain cells. We present the case of a 15-year-old female scholastic wrestler who developed acute encephalopathy, macroscopic white matter injury on imaging, and chronic behavioral changes from inadequate neuro-recovery after a documented SRC. We also compare her case with established SRC data, demonstrating that wrestling-related concussions and repetitive head impacts can produce similar degrees of diffuse neuroinflammation, myelinated axonopathy, blood-brain barrier disruption, and post-concussive symptoms.
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Affiliation(s)
- Wentao Li
- Department of Neurology, University of California Davis , Sacramento, USA
| | - Celia Chang
- Department of Neurology, Division of Pediatric Neurology, University of California Davis , Sacramento, USA
| | - Shannon Liang
- Department of Neurology, Division of Pediatric Neurology, University of California Davis , Sacramento, USA
| | - Erin D Bigler
- Department of Neurology, University of California Davis , Sacramento, USA.,Department of Psychology and Neuroscience, Magnetic Resonance Imaging (MRI) Research Facility, Brigham Young University , Provo, USA.,Department of Neurology and Department of Psychiatry, University of Utah , Salt Lake City, USA
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25
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Häger LA, Øgrim G, Danielsen M, Billstedt E, Gillberg C, Åsberg Johnels J. Indexing Executive Functions with Test Scores, Parent Ratings and ERPs: How Do the Measures Relate in Children versus Adolescents with ADHD? Neuropsychiatr Dis Treat 2020; 16:465-477. [PMID: 32110021 PMCID: PMC7034965 DOI: 10.2147/ndt.s230163] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Accepted: 01/07/2020] [Indexed: 11/26/2022] Open
Abstract
OBJECTIVE Rating scales and neuropsychological tests including continuous performance tests (CPTs) are widely used to assess executive functions (EFs). Event-related potentials (ERPs) are also used to index certain EFs such as action preparation and inhibition. In this descriptive study, we examined the associations between results on an EF rating scale, a CPT and ERP components in ADHD as a function of age. METHODS Fifty-nine patients with ADHD (and more often than not with comorbid disorders) in two age groups (9-12 years and 13-17 years) were assessed using EF ratings, a visual CPT and ERPs (CueP3, P3go and P3no-go). RESULTS There were age related changes in the ERPs with the CueP3 amplitude being stronger in children, and the P3no-go amplitude stronger in adolescents. The associations between the EF measures were different in the two age groups. In particular, the P3no-go seemed to reflect different EF-related processes in children versus adolescents. CONCLUSION Age group effects were seen on a selection of ERP amplitudes in this sample of patients with ADHD. Ratings, test scores and EF-related ERPs seem to capture different aspects of EF in ADHD, and the associations differed depending on age group. The results show that different measures of EF are not interchangeable and highlight the importance of age when interpreting ERPs.
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Affiliation(s)
- Linda Angelica Häger
- Neuropsychiatric Team, Åsebråten Clinic, Østfold Hospital Trust, Fredrikstad, Norway.,Gillberg Neuropsychiatry Centre, Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden
| | - Geir Øgrim
- Neuropsychiatric Team, Åsebråten Clinic, Østfold Hospital Trust, Fredrikstad, Norway.,Gillberg Neuropsychiatry Centre, Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden
| | - Maria Danielsen
- Neuropsychiatric Team, Åsebråten Clinic, Østfold Hospital Trust, Fredrikstad, Norway
| | - Eva Billstedt
- Gillberg Neuropsychiatry Centre, Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden
| | - Christopher Gillberg
- Gillberg Neuropsychiatry Centre, Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden
| | - Jakob Åsberg Johnels
- Gillberg Neuropsychiatry Centre, Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden.,Speech and Language Pathology Unit, Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden
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26
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Brunkhorst-Kanaan N, Verdenhalven M, Kittel-Schneider S, Vainieri I, Reif A, Grimm O. The Quantified Behavioral Test-A Confirmatory Test in the Diagnostic Process of Adult ADHD? Front Psychiatry 2020; 11:216. [PMID: 32265761 PMCID: PMC7100366 DOI: 10.3389/fpsyt.2020.00216] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 03/05/2020] [Indexed: 11/13/2022] Open
Abstract
The differential diagnosis of attention deficit hyperactivity disorder (ADHD) in adulthood is complicated by comorbid disorders, but also by the overlapping of main symptoms such as inattentiveness, impulsivity, and hyperactivity with other disorders. Neuropsychological tests like continuous performance tests (CPT) try to solve this dilemma by objectively measurable parameters. We investigated in a cohort of n=114 patients presenting to an ADHD outpatient clinic how well a commercially available CPT test (QbTest®) can differentiate between patients with ADHD (n=94) and patients with a disconfirmed ADHD diagnosis (n=20). Both groups showed numerous comorbidities, predominantly depression (27.2% in the ADHD group vs. 45% in the non-ADHD group) and substance-use disorders (18.1% vs. 10%, respectively). Patients with ADHD showed significant higher activity (2.07 ± 1.23) than patients without ADHD (1.34 ± 1.27, dF=112; p=0.019), whereas for the other core parameters, inattention and impulsivity no differences could be found. Reaction time variability has been discussed as a typical marker for inattention in ADHD. Therefore, we investigated how well ex-Gaussian analysis of response time can differentiate between ADHD and other patients, showing, that it does not help to identify patients with ADHD. Even though patients with ADHD showed significantly higher activity, this parameter differed only poorly between patients (accuracy AUC 65% of an ROC-Curve). We conclude that CPTs do not help to identify patients with ADHD in a specialized outpatient clinic. The usability of this test for differentiating between ADHD and other psychiatric disorders is poor and a sophisticated analysis of reaction time did not decisively increase the test accuracy.
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Affiliation(s)
- Nathalie Brunkhorst-Kanaan
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital, Goethe University, Frankfurt, Germany
| | - Moritz Verdenhalven
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital, Goethe University, Frankfurt, Germany
| | - Sarah Kittel-Schneider
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital, Goethe University, Frankfurt, Germany.,Department of Psychiatry, Psychotherapy and Psychosomatic Medicine, University Hospital, University of Würzburg, Würzburg, Germany
| | - Isabella Vainieri
- Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
| | - Andreas Reif
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital, Goethe University, Frankfurt, Germany
| | - Oliver Grimm
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital, Goethe University, Frankfurt, Germany
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Bijlenga D, Ulberstad F, Thorell LB, Christiansen H, Hirsch O, Kooij JJS. Objective assessment of attention-deficit/hyperactivity disorder in older adults compared with controls using the QbTest. Int J Geriatr Psychiatry 2019; 34:1526-1533. [PMID: 31243809 DOI: 10.1002/gps.5163] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Accepted: 11/29/2018] [Indexed: 11/11/2022]
Abstract
OBJECTIVES Attention-deficit/hyperactivity disorder (ADHD) persists into old age, with prevalence rates of 2.8% to 3.3% in adults over 60 years of age. Most diagnostic assessment tools are not validated for older adults. The Quantified behavioral Test (QbTest) is an objective assessment for the core symptoms of ADHD and is validated for children and younger adults. We investigated whether the QbTest can be used to differentiate between older adults with ADHD and healthy controls. METHODS Older adults aged 55 to 79 years with (n = 97) or without (n = 112) ADHD were assessed with the QbTest. They also rated their ADHD symptom severity. QbTest raw scores were compared between groups. Factor scores were computed using factor loadings from a confirmatory factor analysis (CFA). Multilevel regressions were used to determine effects of background characteristics and comorbidity. Logistic regressions were performed to determine whether the QbTest differentiated between patients with ADHD and healthy controls. RESULTS The factor structure of the CFA was comparable with that of younger age groups. Older age was associated with higher Inattention score. Parameters comprising the factors Hyperactivity and Inattention, but not Impulsivity, were shown to contribute significantly in differentiating between the groups. The QbTest had a correct classification rate of 70%, which was increased to 91% when combining QbTest scores and self-reports of ADHD symptom severity. CONCLUSIONS The QbTest is feasible for older adults, and the factors Hyperactivity and Inattention are valid parameters for the diagnostic assessment of ADHD in older adults, when used in addition to self-reports.
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Affiliation(s)
- Denise Bijlenga
- Expertise Center Adult ADHD, PsyQ, The Hague, The Netherlands
| | - Fredrik Ulberstad
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.,Qbtech, Stockholm, Sweden
| | - Lisa B Thorell
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Hanna Christiansen
- Department of Clinical Child and Adolescent Psychology, Philipps University, Marburg, Germany
| | | | - J J Sandra Kooij
- Expertise Center Adult ADHD, PsyQ, The Hague, The Netherlands.,Department of Psychiatry, Amsterdam Public Health Research Institute, VU University Medical Center, Amsterdam, The Netherlands
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Varela Casal P, Lorena Esposito F, Morata Martínez I, Capdevila A, Solé Puig M, de la Osa N, Ezpeleta L, Perera I Lluna A, Faraone SV, Ramos-Quiroga JA, Supèr H, Cañete J. Clinical Validation of Eye Vergence as an Objective Marker for Diagnosis of ADHD in Children. J Atten Disord 2019; 23:599-614. [PMID: 29357741 DOI: 10.1177/1087054717749931] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
OBJECTIVE ADHD youth show poor oculomotor control. Recent research shows that attention-related eye vergence is weak in ADHD children. METHOD To validate vergence as a marker to classify ADHD, we assessed the modulation in the angle of vergence of children ( n = 43) previously diagnosed with ADHD while performing an attention task and compared the results with age-matched clinical controls ( n = 19) and healthy peers ( n = 30). RESULTS We observed strong vergence responses in healthy participants and weak vergence in the clinical controls. ADHD children showed no significant vergence responses. Machine-learning models classified ADHD patients ( n = 21) from healthy controls ( n = 21) with an accuracy of 96.3% (false positive [FP]: 5.12%; false negative [FN]: 0%; area under the curve [AUC]: 0.99) and ADHD children ( n = 11) from clinical controls ( n = 14) with an accuracy of 85.7% (FP: 4.5%; FN: 19.2%, AUC: 0.90). CONCLUSION In combination with an attention task, vergence responses can be used as an objective marker to detect ADHD in children.
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Affiliation(s)
- Paloma Varela Casal
- 1 Departament of Psychiatry, Hospital de Mataró, Barcelona, Spain.,2 Department of Psychiatry and Forensic Medicine, Universitat Autònoma de Barcelona, Spain
| | | | | | - Alba Capdevila
- 1 Departament of Psychiatry, Hospital de Mataró, Barcelona, Spain
| | | | - Núria de la Osa
- 6 Departament de Psicologia Clínica i de la Salud, Universitat Autònoma de Barcelona, Spain
| | - Lourdes Ezpeleta
- 6 Departament de Psicologia Clínica i de la Salud, Universitat Autònoma de Barcelona, Spain
| | | | | | - Josep Antoni Ramos-Quiroga
- 2 Department of Psychiatry and Forensic Medicine, Universitat Autònoma de Barcelona, Spain.,8 Hospital Universitari Vall d'Hebron, Barcelona, Spain.,9 Biomedical Network Research Centre on Mental Health, Barcelona, Spain
| | - Hans Supèr
- 3 University of Barcelona, Spain.,4 Braingaze SL, Mataró, Spain.,10 Institut de Neurociències, Universitat de Barcelona, Spain ( www.ir3c.ub.edu ).,12 Catalan Institution for Research and Advanced Studies (ICREA), Barcelona, Spain
| | - Jose Cañete
- 1 Departament of Psychiatry, Hospital de Mataró, Barcelona, Spain
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29
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Schwörer MC, Jaščenoka J, Nitkowski D, Petermann F, Vasileva M, Petermann U. Defizite in den Exekutivfunktionen von Kindern mit ADHS. KINDHEIT UND ENTWICKLUNG 2019. [DOI: 10.1026/0942-5403/a000279] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Zusammenfassung. Das Erhebungsverfahren ADHS-KJ beinhaltet eine differenzierte neuropsychologische Erfassung der exekutiven Funktionen sowie eine standardisierte Verhaltensbeobachtung des hyperaktiven Verhaltens von Kindern und Jugendlichen im Alter von 6;0 bis 12;11 Jahren. Die Aussagekraft des neuropsychologischen Moduls des ADHS-KJ wurde anhand einer Gruppe von Kindern mit einer ADHS-Diagnose ( n = 58) und einer parallelisierten Kontrollgruppe untersucht ( n = 58); es wurde überprüft, inwieweit das Alter und die medikamentöse Behandlung der Kinder die Ergebnisse beeinflussten. Zusätzlich wurden die neuropsychologischen Ergebnisse mit Befunden einer standardisierten Verhaltensbeobachtung in Zusammenhang gesetzt. Es wurde belegt, dass das Erhebungsverfahren ADHS-KJ zwischen Kindern mit und ohne eine ADHS auf der Basis der Komponenten der exekutiven Funktionen und des darauf bezogenen Gesamttestwertes des ADHS-KJ sowie der Beobachtung des hyperkinetischen Verhaltens differenzieren konnte. Die Unterschiede zwischen der ADHS- und Kontrollgruppe wurden durch kleine ( d = .36) bis große ( d = .95) Effektstärken gekennzeichnet. Das Erhebungsverfahren ADHS-KJ differenzierte deutlich zwischen jüngeren und älteren Kindern mit ADHS ( d ≥ 1.00). Das Erhebungsverfahren ADHS-KJ kann als multimodales und multimethodales Vorgehen für die Diagnostik einer ADHS empfohlen werden, wobei die Auffälligkeiten in den Exekutivfunktionen besonders kennzeichnend für Kinder der Altersgruppe von sechs bis acht Jahren sind.
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Affiliation(s)
| | - Julia Jaščenoka
- Zentrum für Klinische Psychologie und Rehabilitation der Universität Bremen
| | - Dennis Nitkowski
- Zentrum für Klinische Psychologie und Rehabilitation der Universität Bremen
| | - Franz Petermann
- Zentrum für Klinische Psychologie und Rehabilitation der Universität Bremen
| | - Mira Vasileva
- Zentrum für Klinische Psychologie und Rehabilitation der Universität Bremen
| | - Ulrike Petermann
- Zentrum für Klinische Psychologie und Rehabilitation der Universität Bremen
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Quantified Activity Measurement for Medical Use in Movement Disorders through IR-UWB Radar Sensor. SENSORS 2019; 19:s19030688. [PMID: 30744003 PMCID: PMC6387084 DOI: 10.3390/s19030688] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 01/27/2019] [Accepted: 02/04/2019] [Indexed: 11/16/2022]
Abstract
Movement disorders, such as Parkinson's disease, dystonia, tic disorder, and attention-deficit/hyperactivity disorder (ADHD) are clinical syndromes with either an excess of movement or a paucity of voluntary and involuntary movements. As the assessment of most movement disorders depends on subjective rating scales and clinical observations, the objective quantification of activity remains a challenging area. The purpose of our study was to verify whether an impulse radio ultra-wideband (IR-UWB) radar sensor technique is useful for an objective measurement of activity. Thus, we proposed an activity measurement algorithm and quantitative activity indicators for clinical assistance, based on IR-UWB radar sensors. The received signals of the sensor are sufficiently sensitive to measure heart rate, and multiple sensors can be used together to track the positions of people. To measure activity using these two features, we divided movement into two categories. For verification, we divided these into several scenarios, depending on the amount of activity, and compared with an actigraphy sensor to confirm the clinical feasibility of the proposed indicators. The experimental environment is similar to the environment of the comprehensive attention test (CAT), but with the inclusion of the IR-UWB radar. The experiment was carried out, according to a predefined scenario. Experiments demonstrate that the proposed indicators can measure movement quantitatively, and can be used as a quantified index to clinically record and compare patient activity. Therefore, this study suggests the possibility of clinical application of radar sensors for standardized diagnosis.
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Hollis C, Hall CL, Guo B, James M, Boadu J, Groom MJ, Brown N, Kaylor-Hughes C, Moldavsky M, Valentine AZ, Walker GM, Daley D, Sayal K, Morriss R. The impact of a computerised test of attention and activity (QbTest) on diagnostic decision-making in children and young people with suspected attention deficit hyperactivity disorder: single-blind randomised controlled trial. J Child Psychol Psychiatry 2018; 59:1298-1308. [PMID: 29700813 PMCID: PMC6124643 DOI: 10.1111/jcpp.12921] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/19/2018] [Indexed: 12/17/2022]
Abstract
BACKGROUND Diagnosis of attention deficit hyperactivity disorder (ADHD) relies on subjective methods which can lead to diagnostic uncertainty and delay. This trial evaluated the impact of providing a computerised test of attention and activity (QbTest) report on the speed and accuracy of diagnostic decision-making in children with suspected ADHD. METHODS Randomised, parallel, single-blind controlled trial in mental health and community paediatric clinics in England. Participants were 6-17 years-old and referred for ADHD diagnostic assessment; all underwent assessment-as-usual, plus QbTest. Participants and their clinician were randomised to either receive the QbTest report immediately (QbOpen group) or the report was withheld (QbBlind group). The primary outcome was number of consultations until a diagnostic decision confirming/excluding ADHD within 6-months from baseline. Health economic cost-effectiveness and cost utility analysis was conducted. Assessing QbTest Utility in ADHD: A Randomised Controlled Trial was registered at ClinicalTrials.gov (https://clinicaltrials.gov/ct2/show/NCT02209116). RESULTS One hundred and thirty-two participants were randomised to QbOpen group (123 analysed) and 135 to QbBlind group (127 analysed). Clinicians with access to the QbTest report (QbOpen) were more likely to reach a diagnostic decision about ADHD (hazard ratio 1.44, 95% CI 1.04-2.01). At 6-months, 76% of those with a QbTest report had received a diagnostic decision, compared with 50% without. QbTest reduced appointment length by 15% (time ratio 0.85, 95% CI 0.77-0.93), increased clinicians' confidence in their diagnostic decisions (odds ratio 1.77, 95% CI 1.09-2.89) and doubled the likelihood of excluding ADHD. There was no difference in diagnostic accuracy. Health economic analysis showed a position of strict dominance; however, cost savings were small suggesting that the impact of providing the QbTest report within this trial can best be viewed as 'cost neutral'. CONCLUSIONS QbTest may increase the efficiency of ADHD assessment pathway allowing greater patient throughput with clinicians reaching diagnostic decisions faster without compromising diagnostic accuracy.
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Affiliation(s)
- Chris Hollis
- Institute of Mental Health, Division of Psychiatry and Applied Psychology, University of Nottingham, Nottingham, UK
| | - Charlotte L Hall
- Institute of Mental Health, Division of Psychiatry and Applied Psychology, University of Nottingham, Nottingham, UK
| | - Boliang Guo
- Institute of Mental Health, Division of Psychiatry and Applied Psychology, University of Nottingham, Nottingham, UK
| | - Marilyn James
- Division of Rehabilitation and Ageing, School of Medicine, B132 Queens Medical Centre, University Of Nottingham, Nottingham, UK
| | - Janet Boadu
- Division of Rehabilitation and Ageing, School of Medicine, B132 Queens Medical Centre, University Of Nottingham, Nottingham, UK
| | - Madeleine J Groom
- Institute of Mental Health, Division of Psychiatry and Applied Psychology, University of Nottingham, Nottingham, UK
| | - Nikki Brown
- Institute of Mental Health, Division of Psychiatry and Applied Psychology, University of Nottingham, Nottingham, UK
| | - Catherine Kaylor-Hughes
- Institute of Mental Health, Division of Psychiatry and Applied Psychology, University of Nottingham, Nottingham, UK
| | - Maria Moldavsky
- Nottinghamshire Healthcare NHS Foundation Trust, West Nottinghamshire Community Team, Mansfield, UK
| | - Althea Z Valentine
- Institute of Mental Health, Division of Psychiatry and Applied Psychology, University of Nottingham, Nottingham, UK
| | - Gemma M Walker
- Institute of Mental Health, Division of Psychiatry and Applied Psychology, University of Nottingham, Nottingham, UK
| | - David Daley
- Institute of Mental Health, Division of Psychiatry and Applied Psychology, University of Nottingham, Nottingham, UK
| | - Kapil Sayal
- Institute of Mental Health, Division of Psychiatry and Applied Psychology, University of Nottingham, Nottingham, UK
| | - Richard Morriss
- Institute of Mental Health, Division of Psychiatry and Applied Psychology, University of Nottingham, Nottingham, UK
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Emser TS, Johnston BA, Steele JD, Kooij S, Thorell L, Christiansen H. Assessing ADHD symptoms in children and adults: evaluating the role of objective measures. Behav Brain Funct 2018; 14:11. [PMID: 29776429 PMCID: PMC5960089 DOI: 10.1186/s12993-018-0143-x] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 05/07/2018] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Diagnostic guidelines recommend using a variety of methods to assess and diagnose ADHD. Applying subjective measures always incorporates risks such as informant biases or large differences between ratings obtained from diverse sources. Furthermore, it has been demonstrated that ratings and tests seem to assess somewhat different constructs. The use of objective measures might thus yield valuable information for diagnosing ADHD. This study aims at evaluating the role of objective measures when trying to distinguish between individuals with ADHD and controls. Our sample consisted of children (n = 60) and adults (n = 76) diagnosed with ADHD and matched controls who completed self- and observer ratings as well as objective tasks. Diagnosis was primarily based on clinical interviews. A popular pattern recognition approach, support vector machines, was used to predict the diagnosis. RESULTS We observed relatively high accuracy of 79% (adults) and 78% (children) applying solely objective measures. Predicting an ADHD diagnosis using both subjective and objective measures exceeded the accuracy of objective measures for both adults (89.5%) and children (86.7%), with the subjective variables proving to be the most relevant. CONCLUSIONS We argue that objective measures are more robust against rater bias and errors inherent in subjective measures and may be more replicable. Considering the high accuracy of objective measures only, we found in our study, we think that they should be incorporated in diagnostic procedures for assessing ADHD.
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Affiliation(s)
- Theresa S Emser
- Clinical Child and Adolescent Psychology, Department of Psychology, Philipps University Marburg, Gutenbergstr. 18, 35037, Marburg, Germany. .,Clinic for Child and Adolescent Psychiatry, University Clinic Würzburg, Margarete-Höppel-Platz 1, 97080, Würzburg, Germany.
| | - Blair A Johnston
- Division of Neuroscience, Medical Research Institute, Ninewells Hospital and Medical School, University of Dundee, Dundee, DD1 9SY, UK
| | - J Douglas Steele
- School of Medicine (Neuroscience), University of Dundee, Dundee, DD1 9SY, UK
| | - Sandra Kooij
- PsyQ, Psycho-medical Programs, Expertise Center Adult ADHD, Jan van Nassaustraat 125, 2596 BS, The Hague, The Netherlands
| | - Lisa Thorell
- Department of Clinical Neuroscience, Karolinska Institutet, Tomtebodavägen 18A, 5th floor, 171 77, Stockholm, Sweden
| | - Hanna Christiansen
- Clinical Child and Adolescent Psychology, Department of Psychology, Philipps University Marburg, Gutenbergstr. 18, 35037, Marburg, Germany
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Davidsson M, Hult N, Gillberg C, Särneö C, Gillberg C, Billstedt E. Anxiety and depression in adolescents with ADHD and autism spectrum disorders; correlation between parent- and self-reports and with attention and adaptive functioning. Nord J Psychiatry 2017; 71:614-620. [PMID: 28836480 DOI: 10.1080/08039488.2017.1367840] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND Adolescents with attention-deficit/hyperactive disorder (ADHD) or autism spectrum disorder (ASD) are at high risk of anxiety and depression. This is important to identify in the clinical assessment to understand its impact. AIMS The aim of this study is to investigate the correlation between parent- and self-reports of anxiety and depression in adolescents with ADHD or ASD, as well as the correlation with adaptive functioning and performance on an attention test. METHOD A total of 65 adolescents with an ADHD diagnosis (n = 24) or an ASD diagnosis (n = 41) filled out Beck Youth Inventories of Emotional and Social Impairment (BYI) to assess depression and anxiety and completed a Continuous Performance Test (QbTest) measuring ADHD symptoms. Parents of the participants completed the internalizing domain in the Five to Fifteen questionnaire (FTF), measuring symptoms of anxiety and depression, and the Vineland Adaptive Behavior Scales (VABS) about the adolescent's adaptive functioning. RESULTS Approximately a third of the study group self-reported substantial internalizing mental symptoms not always recognized by parents, and not always obvious in adaptive function or performance at ADHD test. Correlations between BYI and FTF were low. The BYI depression inventory correlated negatively with VABS and positively with activity level in a subgroup medicated for ADHD. There was a stronger correlation between girls BYI and FTF results as compared with boys. CONCLUSIONS The results highlight the need for identification of anxiety and depression, using both self- and parent report. Present anxiety and depression symptoms do not seem to affect the clinical assessment of ASD and ADHD.
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Affiliation(s)
- Maria Davidsson
- a Gillberg Neuropsychiatry Centre , Institute of Neuroscience & Physiology, Sahlgrenska Academy, University of Gothenburg , Gothenburg, Sweden
| | - Nicklas Hult
- a Gillberg Neuropsychiatry Centre , Institute of Neuroscience & Physiology, Sahlgrenska Academy, University of Gothenburg , Gothenburg, Sweden
| | - Carina Gillberg
- a Gillberg Neuropsychiatry Centre , Institute of Neuroscience & Physiology, Sahlgrenska Academy, University of Gothenburg , Gothenburg, Sweden
| | - Charlotte Särneö
- a Gillberg Neuropsychiatry Centre , Institute of Neuroscience & Physiology, Sahlgrenska Academy, University of Gothenburg , Gothenburg, Sweden
| | - Christopher Gillberg
- a Gillberg Neuropsychiatry Centre , Institute of Neuroscience & Physiology, Sahlgrenska Academy, University of Gothenburg , Gothenburg, Sweden
| | - Eva Billstedt
- a Gillberg Neuropsychiatry Centre , Institute of Neuroscience & Physiology, Sahlgrenska Academy, University of Gothenburg , Gothenburg, Sweden
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Shinosaki JS, Rossini JC, Jorge MLP, Macedo LB, Tannús PJ. Type 1 diabetes, cognition and the neurologist: Exploring Go/No‐Go and Maze tasks in the search for a practical screening tool. Int J Dev Neurosci 2017; 60:86-93. [DOI: 10.1016/j.ijdevneu.2017.02.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 02/02/2017] [Accepted: 02/02/2017] [Indexed: 12/29/2022] Open
Affiliation(s)
| | - Joaquim C. Rossini
- Instituto de Psicologia da Universidade Federal de UberlândiaUberlândiaMGBrazil
| | | | - Lorena B.C. Macedo
- Instituto de Psicologia da Universidade Federal de UberlândiaUberlândiaMGBrazil
| | - Paulo J. Tannús
- Departamento de Clínica Médica da Universidade Federal de UberlândiaUberlândiaMGBrazil
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