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Bullard CC, Roberts DK, Tatsuki MO, Sullivan MA, Kofler MJ, Alderson RM. Social functioning in children with ADHD: an examination of inhibition, self-control, and working memory as potential mediators. Child Neuropsychol 2024; 30:987-1009. [PMID: 38269494 PMCID: PMC11269528 DOI: 10.1080/09297049.2024.2304375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 11/24/2023] [Indexed: 01/26/2024]
Abstract
Children with attention-deficit/hyperactivity disorder (ADHD) experience a host of social problems, in addition to significant impairments in behavioral inhibition, working memory, and self-control. Behavioral inhibition and working memory difficulties have been linked with social functioning deficits, but to date, most studies have examined these neurocognitive problems either in isolation or as an aggregate measure in relation to social problems, and none has considered the role of self-control. Thus, it remains unclear whether all of these executive functions are linked with social problems or if the link can be more parsimoniously explained by construct overlap. Fifty-eight children with ADHD and 63 typically developing (TD) children completed tests assessing self-control, behavioral inhibition, and working memory; parents and teachers rated children's social functioning. Examination of potential indirect effects with the bootstrapping procedure indicated that working memory mediated the relation between group membership (ADHD, TD) and child social functioning based on teacher but not parent ratings. Behavioral inhibition and self-control did not have direct relations with either parent- or teacher-rated social functioning. These findings point to important differences regarding how executive functioning difficulties manifest at school compared to home, as well as the specific executive function components that predict ADHD-related social difficulties.
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Affiliation(s)
| | - Delanie K. Roberts
- Oklahoma State University, Department of Psychology
- Children’s Hospital of Los Angeles
| | - Miho O. Tatsuki
- Oklahoma State University, Department of Psychology
- Florida State University, Department of Psychology
| | | | | | - R. Matt Alderson
- Oklahoma State University, Department of Psychology
- Posthumous author
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Varela JL, Magnante AT, Miskey HM, Ord AS, Eldridge A, Shura RD. A systematic review of the utility of continuous performance tests among adults with ADHD. Clin Neuropsychol 2024; 38:1524-1585. [PMID: 38424025 DOI: 10.1080/13854046.2024.2315740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 12/16/2023] [Indexed: 03/02/2024]
Abstract
OBJECTIVE The clinical utility of continuous performance tests (CPTs) among adults with attention-deficit/hyperactivity disorder (ADHD) has increasingly been brought under question. Therefore, the objective of this study was to systematically review the literature to investigate the clinical utility of various commercially available CPTs, including the Conner's Continuous Performance Test (CCPT), Test of Variables of Attention (TOVA), Gordon Diagnostic System (GDS), and Integrated Visual and Auditory Continuous Performance Test (IVA) in the adult ADHD population. METHODS This systematic review followed the a priori PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. Articles were gathered from PsycINFO, PsycARTICLES, Academic Search Complete, and Google Scholar on 11 April 2022. Sixty-nine articles were included in the final review. Risk of bias was assessed using the National Institute of Health Quality Assessment Took for Observational Cohort and Cross-Sectional Studies. RESULTS Most articles demonstrated high risk of bias, and there was substantial heterogeneity across studies. Overall, the reviewed CPTs appeared to have limited diagnostic utility and classification accuracy. Although many studies showed differing scores between adults with ADHD and comparison groups, findings were not consistent. Characteristics of CPT performances among adults with ADHD were mixed, with little consistency and no evidence of a clear profile of performances; however, CCPT commission errors appeared to have the most utility when used a treatment or experimental outcome measure, compared to other CCPT scores. CONCLUSION Overall, CPTs should not be used in isolation as a diagnostic test but may be beneficial when used as a component of a comprehensive assessment.
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Affiliation(s)
- Jacob L Varela
- College of Health and Behavioral Sciences, Regent University, Virginia Beach, VA, USA
| | - Anna T Magnante
- W. G. (Bill) Hefner VA Healthcare System, Salisbury, NC, USA
- Education, and Clinical Center, VA Mid-Atlantic Mental Illness Research, Durham, NC, USA
- Department of Neurology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Holly M Miskey
- W. G. (Bill) Hefner VA Healthcare System, Salisbury, NC, USA
- Education, and Clinical Center, VA Mid-Atlantic Mental Illness Research, Durham, NC, USA
- Department of Neurology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Anna S Ord
- College of Health and Behavioral Sciences, Regent University, Virginia Beach, VA, USA
| | - Adrienne Eldridge
- College of Health and Behavioral Sciences, Regent University, Virginia Beach, VA, USA
| | - Robert D Shura
- W. G. (Bill) Hefner VA Healthcare System, Salisbury, NC, USA
- Education, and Clinical Center, VA Mid-Atlantic Mental Illness Research, Durham, NC, USA
- Department of Neurology, Wake Forest School of Medicine, Winston-Salem, NC, USA
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Fuermaier ABM, Gontijo-Santos Lima C, Tucha O. Impairment Assessment in Adult ADHD and Related Disorders: Current Opinions From Clinic and Research. J Atten Disord 2024; 28:1529-1541. [PMID: 38898706 PMCID: PMC11408967 DOI: 10.1177/10870547241261598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
OBJECTIVES Assessing functional impairment is one of the essential components in the clinical evaluation of ADHD in adulthood, serving both diagnostic and outcome evaluation purposes. However, clinicians and researchers may face challenges in selecting suitable instruments due to variations in accessibility and quality of instruments. METHODS We conducted an online survey involving an international group of 92 respondents engaged in clinical practice and/or research on ADHD. The survey aimed to evaluate current practices in assessing impairment in adult ADHD and related disorders, while also identifying areas requiring adaptation or potential new developments. RESULTS Our findings revealed that clinicians and researchers utilize a diverse range of instruments for assessing impairment in adults with ADHD, including some that may lack adequate properties for this purpose. Notably, dissatisfaction with current practice standards was expressed, underscoring the need for novel assessment approaches and improved psychometric properties. CONCLUSION It is evident that research endeavors are warranted to either refine existing measures or devise new ones for assessing functional impairment in adult ADHD. Emphasis should be placed on disseminating instruments that enhance accessibility in both research and clinical settings, and facilitate streamlined administration and interpretation.
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Affiliation(s)
| | | | - Oliver Tucha
- University Medical Center Rostock, Germany
- National University of Ireland, Maynooth, Ireland
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Levy O, Hackmon SL, Zvilichovsky Y, Korisky A, Bidet-Caulet A, Schweitzer JB, Golumbic EZ. Selective attention and sensitivity to auditory disturbances in a virtually-real Classroom: Comparison of adults with and without AD(H)D. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.17.590012. [PMID: 38659916 PMCID: PMC11042341 DOI: 10.1101/2024.04.17.590012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Many people, and particularly individuals with Attention Deficit (Hyperactivity) Disorder (AD(H)D), find it difficult to maintain attention during classroom learning. However, traditional paradigms used to evaluate attention do not capture the complexity and dynamic nature of real-life classrooms. Using a novel Virtual Reality platform, coupled with measurement of neural activity, eye-gaze and skin conductance, here we studied the neurophysiological manifestations of attention and distractibility, under realistic learning conditions. Individuals with AD(H)D exhibited higher neural responses to irrelevant sounds and reduced speech tracking of the teacher, relative to controls. Additional neurophysiological measures, such the power of alpha-oscillations and frequency of gaze-shifts away from the teacher, contributed to explaining variance in self-reported AD(H)D symptoms across the sample. These ecologically-valid findings provide critical insight into the neurophysiological mechanisms underlying individual differences in the capacity for sustained attention and the proneness to distraction and mind-wandering, experienced in real-life situations.
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Affiliation(s)
- Orel Levy
- The Gonda Brain Research Center, Bar Ilan University, Ramat Gan, Israel
| | | | - Yair Zvilichovsky
- The Gonda Brain Research Center, Bar Ilan University, Ramat Gan, Israel
| | - Adi Korisky
- The Gonda Brain Research Center, Bar Ilan University, Ramat Gan, Israel
| | | | - Julie B. Schweitzer
- Department of Psychiatry and Behavioral Sciences, and MIND Institute, University of California, Davis, Sacramento, CA U.S.A
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Oh S, Joung YS, Chung TM, Lee J, Seok BJ, Kim N, Son HM. Diagnosis of ADHD using virtual reality and artificial intelligence: an exploratory study of clinical applications. Front Psychiatry 2024; 15:1383547. [PMID: 38887727 PMCID: PMC11180838 DOI: 10.3389/fpsyt.2024.1383547] [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: 02/07/2024] [Accepted: 05/20/2024] [Indexed: 06/20/2024] Open
Abstract
Introduction Diagnosis of Attention Deficit/Hyperactivity Disorder (ADHD) is based on clinical evaluation of symptoms by a psychiatrist, referencing results of psychological tests. When diagnosing ADHD, the child's behavior and functionality in real-life situations are critical components. However, direct observation by a clinician is often not feasible in practice. Therefore, such information is typically gathered from primary caregivers or teachers, which can introduce subjective elements. To overcome these limitations, we developed AttnKare-D, an innovative digital diagnostic tool that could analyze children's behavioral data in Virtual Reality using Artificial Intelligence. The purpose of this study was to explore the utility and safety of AttnKare-D for clinical application. Method A total of 21 children aged between 6 and 12 years were recruited for this study. Among them, 15 were children diagnosed with ADHD, 5 were part of a normal control group, and 1 child was excluded due to withdrawal of consent. Psychological assessments, including K-WISC, Conners CPT, K-ARS, and K-CBCL, were conducted for participants and their primary caregivers. Diagnoses of ADHD were confirmed by child and adolescent psychiatrists based on comprehensive face-to-face evaluations and results of psychological assessments. Participants underwent VR diagnostic assessment by performing various cognitive and behavioral tasks in a VR environment. Collected data were analyzed using an AI model to assess ADHD diagnosis and the severity of symptoms. Results AttnKare-D demonstrated diagnostic performance with an AUC of 0.893 when compared to diagnoses made by child and adolescent psychiatrist, showing a sensitivity of 0.8 and a specificity of 1.0 at a cut-off score of 18.44. AttnKare-D scores showed a high correlation with K-ARS scores rated by parents and experts, although the correlation was relatively low for inattention scores. Conclusion Results of this study suggest that AttnKare-D can be a useful tool for diagnosing ADHD in children. This approach has potential to overcome limitations of current diagnostic methods, enhancing the accuracy and objectivity of ADHD diagnoses. This study lays the groundwork for further improvement and research on diagnostic tools integrating VR and AI technologies. For future clinical applications, it is necessary to conduct clinical trials involving a sufficient number of participants to ensure reliable use.
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Affiliation(s)
- Soohwan Oh
- Department of Psychiatry, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Republic of Korea
| | - Yoo-Sook Joung
- Department of Psychiatry, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | | | - Junho Lee
- Department of Psychiatry, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Bum Joon Seok
- Department of Psychiatry, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Namuk Kim
- Department of Computer Science and Engineering, College of Computing, Sungkyunkwan University, Suwon, Republic of Korea
| | - Ha Min Son
- Department of Computer Science, University of California, Davis, Davis, United States
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Andreassen AK, Lambek R, Greve A, Hemager N, Knudsen CB, Veddum L, Birk M, Søndergaard A, Brandt JM, Gregersen M, Falkenberg-Krantz M, Spang KS, Ohland J, Burton BK, Jepsen JRM, Thorup AAE, Nordentoft M, Mors O, Bliksted VF. The development in rating-based executive functions in children at familial high risk of schizophrenia or bipolar disorder from age 7 to age 11: the Danish high risk and resilience study. Eur Child Adolesc Psychiatry 2024; 33:549-560. [PMID: 36881155 DOI: 10.1007/s00787-023-02177-w] [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: 02/07/2022] [Accepted: 02/23/2023] [Indexed: 03/08/2023]
Abstract
Executive functions (EF) deficits are well documented in children at familial high risk of schizophrenia (FHR-SZ), and to a lesser degree in children at familial high risk of bipolar disorder (FHR-BP). The aim of this study was to assess EF development in preadolescent children at FHR-SZ, FHR-BP and population-based controls (PBC) using a multi-informant rating scale. A total of 519 children (FHR-SZ, n = 201; FHR-BP, n = 119; PBC, n = 199) participated at age 7, at age 11 or at both time points. Caregivers and teachers completed the Behavior Rating Inventory of Executive Functions (BRIEF). The developmental pattern from age 7 to age 11, did not differ between groups. At age 11, caregivers and teachers rated children at FHR-SZ as having widespread EF deficits. A higher proportion of children at FHR-SZ had clinically significant scores on the General executive composite (GEC) and all BRIEF indices compared to PBC. According to the caregivers, children at FHR-BP had significantly more EF deficits than PBC on 9 out of 13 BRIEF scales, whereas according to teachers, they only had significantly more deficits on one subdomain (Initiate). Likewise, caregivers rated a significantly higher proportion of children at FHR-BP above the clinical cut-off on the GEC and Metacognition index, compared to PBC, whereas there were no significant differences according to teachers. This study highlights the relevance of including multi-informant rating scales in the assessment of EF in children at FHR-SZ and FHR-BP. The results imply a need to identify children at high risk who would benefit from targeted intervention.
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Affiliation(s)
- Anna Krogh Andreassen
- Psychosis Research Unit, Aarhus University Hospital Psychiatry, Aarhus, Denmark.
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research (iPSYCH), Aarhus, Denmark.
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.
| | - Rikke Lambek
- Department of Psychology and Behavioral Sciences, Aarhus University, Aarhus, Denmark
| | - Aja Greve
- Psychosis Research Unit, Aarhus University Hospital Psychiatry, Aarhus, Denmark
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research (iPSYCH), Aarhus, Denmark
| | - Nicoline Hemager
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research (iPSYCH), Aarhus, Denmark
- CORE - Copenhagen Research Centre for Mental Health, Mental Health Services in the Capital Region of Denmark, Mental Health Centre Copenhagen, Copenhagen, Denmark
- Child and Adolescent Mental Health Center, Capital Region of Denmark, Copenhagen, Denmark
| | - Christina Bruun Knudsen
- Psychosis Research Unit, Aarhus University Hospital Psychiatry, Aarhus, Denmark
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research (iPSYCH), Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Lotte Veddum
- Psychosis Research Unit, Aarhus University Hospital Psychiatry, Aarhus, Denmark
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research (iPSYCH), Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Merete Birk
- Psychosis Research Unit, Aarhus University Hospital Psychiatry, Aarhus, Denmark
| | - Anne Søndergaard
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research (iPSYCH), Aarhus, Denmark
- CORE - Copenhagen Research Centre for Mental Health, Mental Health Services in the Capital Region of Denmark, Mental Health Centre Copenhagen, Copenhagen, Denmark
- Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Julie Marie Brandt
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research (iPSYCH), Aarhus, Denmark
- CORE - Copenhagen Research Centre for Mental Health, Mental Health Services in the Capital Region of Denmark, Mental Health Centre Copenhagen, Copenhagen, Denmark
- Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Maja Gregersen
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research (iPSYCH), Aarhus, Denmark
- CORE - Copenhagen Research Centre for Mental Health, Mental Health Services in the Capital Region of Denmark, Mental Health Centre Copenhagen, Copenhagen, Denmark
- Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Mette Falkenberg-Krantz
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research (iPSYCH), Aarhus, Denmark
- CORE - Copenhagen Research Centre for Mental Health, Mental Health Services in the Capital Region of Denmark, Mental Health Centre Copenhagen, Copenhagen, Denmark
- Child and Adolescent Mental Health Center, Capital Region of Denmark, Copenhagen, Denmark
| | - Katrine Søborg Spang
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research (iPSYCH), Aarhus, Denmark
- CORE - Copenhagen Research Centre for Mental Health, Mental Health Services in the Capital Region of Denmark, Mental Health Centre Copenhagen, Copenhagen, Denmark
- Child and Adolescent Mental Health Center, Capital Region of Denmark, Copenhagen, Denmark
| | - Jessica Ohland
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research (iPSYCH), Aarhus, Denmark
- CORE - Copenhagen Research Centre for Mental Health, Mental Health Services in the Capital Region of Denmark, Mental Health Centre Copenhagen, Copenhagen, Denmark
| | - Birgitte Klee Burton
- Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Child and Adolescent Mental Health Center, Capital Region of Denmark, Copenhagen, Denmark
| | - Jens Richardt Møllegaard Jepsen
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research (iPSYCH), Aarhus, Denmark
- CORE - Copenhagen Research Centre for Mental Health, Mental Health Services in the Capital Region of Denmark, Mental Health Centre Copenhagen, Copenhagen, Denmark
- Child and Adolescent Mental Health Center, Capital Region of Denmark, Copenhagen, Denmark
- Center for Clinical Intervention and Neuropsychiatric Schizophrenia Research, Mental Health Services in the Capital Region of Denmark, Copenhagen, Denmark
| | - Anne Amalie Elgaard Thorup
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research (iPSYCH), Aarhus, Denmark
- Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Child and Adolescent Mental Health Center, Capital Region of Denmark, Copenhagen, Denmark
| | - Merete Nordentoft
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research (iPSYCH), Aarhus, Denmark
- CORE - Copenhagen Research Centre for Mental Health, Mental Health Services in the Capital Region of Denmark, Mental Health Centre Copenhagen, Copenhagen, Denmark
- Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Ole Mors
- Psychosis Research Unit, Aarhus University Hospital Psychiatry, Aarhus, Denmark
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research (iPSYCH), Aarhus, Denmark
| | - Vibeke Fuglsang Bliksted
- Psychosis Research Unit, Aarhus University Hospital Psychiatry, Aarhus, Denmark
- The Lundbeck Foundation Initiative for Integrative Psychiatric Research (iPSYCH), Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
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Guo N, Fuermaier ABM, Koerts J, Tucha O, Scherbaum N, Müller BW. Networks of Neuropsychological Functions in the Clinical Evaluation of Adult ADHD. Assessment 2023; 30:1719-1736. [PMID: 36031877 PMCID: PMC10363951 DOI: 10.1177/10731911221118673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
This study applied network analysis to explore the relations between neuropsychological functions of individuals in the clinical evaluation of attention-deficit/hyperactivity disorder (ADHD) in adulthood. A total of 319 participants from an outpatient referral context, that is, 173 individuals with ADHD (ADHD group) and 146 individuals without ADHD (n-ADHD group), took part in this study and completed a comprehensive neuropsychological assessment. A denser network with stronger global connectivity was observed in the ADHD group compared to the n-ADHD group. The strongest connections were consistent in both networks, that is, the connections between selective attention and vigilance, and connections between processing speed, fluency, and flexibility. Further centrality estimation revealed attention-related variables to have the highest expected influence in both networks. The observed relationships between neuropsychological functions, and the high centrality of attention, may help identify neuropsychological profiles that are specific to ADHD and optimize neuropsychological assessment and treatment planning of individuals with cognitive impairment.
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Affiliation(s)
- Nana Guo
- University of Groningen, The Netherlands
| | | | | | - Oliver Tucha
- University of Groningen, The Netherlands
- University Medical Center Rostock, Germany
- Maynooth University, Ireland
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Pagán AF, Huizar YP, Schmidt AT. Conner's Continuous Performance Test and Adult ADHD: A Systematic Literature Review. J Atten Disord 2023; 27:231-249. [PMID: 36495125 DOI: 10.1177/10870547221142455] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVE ADHD is a neurodevelopmental disorder affecting millions of adults worldwide. Continuous performance tests (CPTs) are widely used as assessment and diagnostic tools; however, their use in diagnosing undiagnosed ADHD in adults has been questioned due to their lack of specificity and sensitivity. This review sought to outline relevant findings concerning the diagnostic utility of the Conner's Continuous Performance Test (CCPT) in adults. METHOD This systematic review followed the a priori guide outlined by the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) statement. Articles were gathered from PsycINFO, PsycArticles, Cochrane, Scopus, Google Scholar, and PubMed. RESULTS Thirty-five articles were reviewed and analyzed. Most articles reviewed used outpatient and university populations. Moderate reliability, subpar discriminant and ecological validity, and mixed sensitivity and specificity were noted. CONCLUSION The results of this review lend support to previous critiques of the CCPT's diagnostic and utility as a treatment measure.
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Lin HY. The Effect of Spatial Uncertainty on Visual Search in Older School-Aged Children with and without ADHD. Arch Clin Neuropsychol 2023:acad003. [PMID: 36715611 DOI: 10.1093/arclin/acad003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 11/25/2022] [Accepted: 01/02/2023] [Indexed: 06/18/2023] Open
Abstract
OBJECTIVE Numerous studies support that simple visual search tests may not be sufficient to differentiate children with and without attention-deficit/hyperactivity disorder (ADHD), especially for older school-aged children. This study aimed to explore whether the high spatial uncertainty visual search tasks can effectively discriminate older school-aged children with ADHD from their typically developing (TD) peers. METHOD In a randomized, two-period crossover design, 122 school-aged children (61 ADHD and 61 TD subjects), aged 10-12 years old, were measured using comparable visual search tasks with structured and unstructured layouts. RESULTS First, the discriminant effectiveness of unstructured visual search tasks, which are associated with high-level spatial uncertainty, is superior to structured ones. Second, combining accuracy and speed into a Q score is a more sensitive measure than accuracy or time calculated alone in visual search tasks. A more in-depth ROC analysis showed that all variables could accurately identify ADHD from their TD peers under unstructured visual search tasks, with the index of the Q score performing best (AUR = 0.956). Third, the development of detectability, which represents the ability to distinguish between target and non-target, is approaching maturity in 10-12-year-old children with ADHD. However, these children showed severe deficits in dealing with disorganized distractors when performing visual search tasks with high-level spatial uncertainty. CONCLUSIONS The findings of this study support that older school-aged children with ADHD demonstrate less efficient search performance than their TD peers in complex/difficult visual search tasks, especially under higher spatial uncertainty.
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Affiliation(s)
- Hung-Yu Lin
- Department of Occupational Therapy, Asia University, Taichung, Taiwan
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10
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Dinçer M, Uğurtaş Gökçe FS, Gül H, Taş Torun Y, Bodur Ş, Cöngöloğlu MA. Is Processing Speed (Gs) related to Hyperactivity (As a Narrow Cognitive Area of Gps): A Dimensional Approach to Heterogeneity of Clinical and WISC-IV Cognitive Profiles in ADHD From RDoC/HiTOP Perspective. J Atten Disord 2022; 26:1747-1761. [PMID: 35579206 DOI: 10.1177/10870547221099963] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVE The aim of this study was to investigate the relationship between symptomatology and the Wechsler Intelligence Scale for Children, Fourth Edition (WISC-IV) cognitive profiles in Attention Deficit and Hyperactivity Disorder (ADHD), taking into account clinical heterogeneity. METHOD The WISC-IV was administered to 60 children aged 6 to 13 years with ADHD who had not previously taken psychotropic medication. Conners Teacher-Rating Scale (CTRS-R/L) and Conners Parent-Rating Scale (CPRS-R/L) were completed by parents and teachers. RESULTS We found a statistically significant positive correlation between the symptoms of hyperactivity/impulsivity and PSI (Processing Speed Index). A statistically significant negative correlation was found between the CTRS-R/L's DSM-IV Inattentive subscale and PRI (Perceptual Reasoning Index). No relationship was found between the inattention or hyperactivity/impulsivity symptomatology with Working Memory Index (WMI). WMI stood out as the most frequently reported weakness among the four index scores. CONCLUSION Considering the relationship between the cognitive domains of RDoC (Research Domain Criteria) and dimensions of HiTOP with the ADHD symptom clusters, the assessment of cognitive and behavioral symptoms may be useful for phenotyping ADHD. According to the CHC (Cattell-Horn-Carroll) theory; the positive correlation level between PSI, which is accepted as Gs, and hyperactivity/impulsivity symptoms in people with ADHD may be due to the fact that hyperactivity is one of the narrow cognitive domains of Gps.
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Affiliation(s)
- Mustafa Dinçer
- Mehmet Akif inan Training and Research Hospital, Şanlıurfa, Turkey
| | | | - Hesna Gül
- Gülhane Training and Research Hospital, Ankara, Turkey
| | | | - Şahin Bodur
- Gülhane Training and Research Hospital, Ankara, Turkey
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Callahan BL, Ramakrishnan N, Shammi P, Bierstone D, Taylor R, Ozzoude M, Goubran M, Stuss DT, Black SE. Cognitive and Neuroimaging Profiles of Older Adults With Attention Deficit/Hyperactivity Disorder Presenting to a Memory Clinic. J Atten Disord 2022; 26:1118-1129. [PMID: 34784815 PMCID: PMC9066671 DOI: 10.1177/10870547211060546] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
OBJECTIVE Some features of attention-deficit/hyperactivity disorder (ADHD) may resemble those of mild cognitive impairment (MCI) in older adults, contributing to diagnostic uncertainty in individuals seeking assessment in memory clinics. We systematically compared cognition and brain structure in ADHD and MCI to clarify the extent of overlap and identify potential features unique to each. METHOD Older adults from a Cognitive Neurology clinic (40 ADHD, 29 MCI, 37 controls) underwent neuropsychological assessment. A subsample (n = 80) underwent structural neuroimaging. RESULTS Memory was impaired in both patient groups, but reflected a storage deficit in MCI (supported by relatively smaller hippocampi) and an encoding deficit in ADHD (supported by frontal lobe thinning). Both groups displayed normal executive functioning. Semantic retrieval was uniquely impaired in MCI. CONCLUSION Although ADHD has been proposed as a dementia risk factor or prodrome, we propose it is rather a pathophysiologically-unique phenotypic mimic acting via overlap in memory and executive performance.
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Affiliation(s)
- Brandy L. Callahan
- University of Calgary, Calgary, AB, Canada
- Hotchkiss Brain Institute, Calgary, AB, Canada
- Brandy Callahan, RPsych. Department of Psychology, Hotchkiss Brain Institute, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada.
| | | | | | - Daniel Bierstone
- University of Toronto, Toronto, ON, Canada
- Children’s Hospital of Eastern Ontario, Ottawa, ON, Canada
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Sedgwick-Müller JA, Müller-Sedgwick U, Adamou M, Catani M, Champ R, Gudjónsson G, Hank D, Pitts M, Young S, Asherson P. University students with attention deficit hyperactivity disorder (ADHD): a consensus statement from the UK Adult ADHD Network (UKAAN). BMC Psychiatry 2022; 22:292. [PMID: 35459116 PMCID: PMC9027028 DOI: 10.1186/s12888-022-03898-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 03/15/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Attention deficit hyperactivity disorder (ADHD) is associated with poor educational outcomes that can have long-term negative effects on the mental health, wellbeing, and socio-economic outcomes of university students. Mental health provision for university students with ADHD is often inadequate due to long waiting times for access to diagnosis and treatment in specialist National Health Service (NHS) clinics. ADHD is a hidden and marginalised disability, and within higher education in the UK, the categorisation of ADHD as a specific learning difference (or difficulty) may be contributing to this. AIMS This consensus aims to provide an informed understanding of the impact of ADHD on the educational (or academic) outcomes of university students and highlight an urgent need for timely access to treatment and management. METHODS The UK Adult ADHD Network (UKAAN) convened a meeting of practitioners and experts from England, Wales, and Scotland, to discuss issues that university students with ADHD can experience or present with during their programme of studies and how best to address them. A report on the collective analysis, evaluation, and opinions of the expert panel and published literature about the impact of ADHD on the educational outcomes of university students is presented. RESULTS A consensus was reached that offers expert advice, practical guidance, and recommendations to support the medical, education, and disability practitioners working with university students with ADHD. CONCLUSIONS Practical advice, guidance, and recommendations based on expert consensus can inform the identification of ADHD in university students, personalised interventions, and educational support, as well as contribute to existing research in this topic area. There is a need to move away from prevailing notions within higher education about ADHD being a specific learning difference (or difficulty) and attend to the urgent need for university students with ADHD to have timely access to treatment and support. A multimodal approach can be adapted to support university students with ADHD. This approach would view timely access to treatment, including reasonable adjustments and educational support, as having a positive impact on the academic performance and achievement of university students with ADHD.
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Affiliation(s)
- Jane A. Sedgwick-Müller
- Health and Community Services, Government of Jersey, St Helier, Jersey. Social, Genetic & Developmental Psychiatry, Institute of Psychiatry, Psychology & Neuroscience (IoPPN) & Florence Nightingale Faculty of Nursing, Midwifery & Palliative Care (FNFNM), King’s College London, London, UK
| | - Ulrich Müller-Sedgwick
- Adult Neurodevelopmental Service, Health and Community Services, Government of Jersey, St Helier, Jersey. Department of Psychiatry, University of Cambridge, Cambridge, UK
| | - Marios Adamou
- School of Human and Health Sciences, University of Huddersfield, Huddersfield, UK
| | - Marco Catani
- Natbrainlab, Forensic and Neurodevelopmental Sciences, Institute of Psychiatry, Psychology & Neuroscience (IoPPN), King’s College London, London, UK
| | - Rebecca Champ
- School of Human and Health Sciences, University of Huddersfield, Huddersfield, UK
| | - Gísli Gudjónsson
- Psychology Department, Institute of Psychiatry, Psychology & Neuroscience (IoPPN), King’s College London, London, UK
| | - Dietmar Hank
- Adult ADHD Service, Avon and Wiltshire Mental Health Partnership NHS Trust, Bristol, UK
| | - Mark Pitts
- Adult ADHD and Autism Outpatient Service, South London & Maudsley NHS Foundation Trust, London, UK
| | - Susan Young
- Psychology Services Limited, Department of Psychology, Reykjavik University, Reykjavik, Iceland
| | - Philip Asherson
- Social, Genetic & Developmental Psychiatry, Institute of Psychiatry, Psychology & Neuroscience (IoPPN), King’s College London, London, UK
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Wiebe A, Kannen K, Li M, Aslan B, Anders D, Selaskowski B, Ettinger U, Lux S, Philipsen A, Braun N. Multimodal Virtual Reality-Based Assessment of Adult ADHD: A Feasibility Study in Healthy Subjects. Assessment 2022:10731911221089193. [PMID: 35435010 DOI: 10.1177/10731911221089193] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Neuropsychological assessments are often surprisingly inaccurate in mapping clinically-reported attention-deficit hyperactivity disorder (ADHD) symptoms, presumably due to their low ecological validity. Virtual reality (VR) might offer a potential solution for this problem, given its capability to generate standardized and yet highly realistic virtual environments. As the first adaptation of existing virtual classroom scenarios to an adult population, we developed a Virtual Seminar Room (VSR) for multimodal characterization of ADHD symptoms. To test its feasibility, N = 35 healthy participants were immersed into the VSR via a head-mounted display and carried out a VR-embedded continuous performance task (CPT) under varying levels of distractions in two experimental blocks (24 min each). CPT performance, electroencephalography (EEG) measures, and head movements (actigraphy) were simultaneously recorded and analyzed offline. Although CPT performance remained constant throughout the task, head movements increased significantly from Block 1 to Block 2. In addition, EEG theta (4-7 Hz) and beta (13-30 Hz) power was higher during Block 1 than Block 2, and during distractor-present than distractor-absent phases. Moreover, P300 amplitudes were higher during Block 1 than Block 2, and P300 latencies were prolonged in distractor-absent compared with distractor-present phases. Although the paradigm awaits further improvements, this study confirms the general feasibility of the VSR and provides a first step toward a multimodal, ecologically valid, and reliable VR-based adult ADHD assessment.
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Affiliation(s)
- Annika Wiebe
- Department for Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Kyra Kannen
- Department for Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Mengtong Li
- Department for Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Behrem Aslan
- Department for Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - David Anders
- Department for Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Benjamin Selaskowski
- Department for Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | | | - Silke Lux
- Department for Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Alexandra Philipsen
- Department for Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Niclas Braun
- Department for Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
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14
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Stokes JD, Rizzo A, Geng JJ, Schweitzer JB. Measuring Attentional Distraction in Children With ADHD Using Virtual Reality Technology With Eye-Tracking. FRONTIERS IN VIRTUAL REALITY 2022; 3:855895. [PMID: 35601272 PMCID: PMC9119405 DOI: 10.3389/frvir.2022.855895] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Objective Distractions inordinately impair attention in children with Attention-Deficit Hyperactivity Disorder (ADHD) but examining this behavior under real-life conditions poses a challenge for researchers and clinicians. Virtual reality (VR) technologies may mitigate the limitations of traditional laboratory methods by providing a more ecologically relevant experience. The use of eye-tracking measures to assess attentional functioning in a VR context in ADHD is novel. In this proof of principle project, we evaluate the temporal dynamics of distraction via eye-tracking measures in a VR classroom setting with 20 children diagnosed with ADHD between 8 and 12 years of age. Method We recorded continuous eye movements while participants performed math, Stroop, and continuous performance test (CPT) tasks with a series of "real-world" classroom distractors presented. We analyzed the impact of the distractors on rates of on-task performance and on-task, eye-gaze (i.e., looking at a classroom whiteboard) versus off-task eye-gaze (i.e., looking away from the whiteboard). Results We found that while children did not always look at distractors themselves for long periods of time, the presence of a distractor disrupted on-task gaze at task-relevant whiteboard stimuli and lowered rates of task performance. This suggests that children with attention deficits may have a hard time returning to tasks once those tasks are interrupted, even if the distractor itself does not hold attention. Eye-tracking measures within the VR context can reveal rich information about attentional disruption. Conclusions Leveraging virtual reality technology in combination with eye-tracking measures is well-suited to advance the understanding of mechanisms underlying attentional impairment in naturalistic settings. Assessment within these immersive and well-controlled simulated environments provides new options for increasing our understanding of distractibility and its potential impact on the development of interventions for children with ADHD.
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Affiliation(s)
- Jared D. Stokes
- MIND Institute, University of California, Davis, Sacramento, CA, United States
- Department of Psychiatry and Behavioral Sciences, University of California, Davis, Sacramento, CA, United States
- Center for Mind and Brain, University of California, Davis, Davis, CA, United States
| | - Albert Rizzo
- Institute for Creative Studies, University of Southern California, Los Angeles, CA, United States
| | - Joy J. Geng
- Center for Mind and Brain, University of California, Davis, Davis, CA, United States
- Department of Psychology, University of California, Davis, Davis, CA, United States
| | - Julie B. Schweitzer
- MIND Institute, University of California, Davis, Sacramento, CA, United States
- Department of Psychiatry and Behavioral Sciences, University of California, Davis, Sacramento, CA, United States
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15
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Wexler D, Salgado R, Gornik A, Peterson R, Pritchard A. What's race got to do with it? Informant rating discrepancies in neuropsychological evaluations for children with ADHD. Clin Neuropsychol 2022; 36:264-286. [PMID: 34238112 PMCID: PMC8985113 DOI: 10.1080/13854046.2021.1944671] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To evaluate race-based discrepancies in informant ratings and in rates of Attention-Deficit/Hyperactivity Disorder (ADHD) diagnosis among a clinically referred sample of Black and White children. METHOD Demographic information and ratings of inattention, hyperactivity/impulsivity, and conduct were collected from caregivers and teachers as part of neuropsychological evaluations at an outpatient clinic. The final sample included 3,943 children (6-18 years), of which 70% were White and 30% were Black. RESULTS Teachers, but not caregivers, endorsed more inattentive symptoms and conduct problems for Black than for White children, irrespective of ADHD diagnostic status and socioeconomic status (SES), and after controlling for child sex, child age, and learning difficulties. Teachers endorsed more hyperactive/impulsive symptoms for Black children with ADHD of lower SES than for White children with these characteristics. Caregivers of Black children of higher SES reported fewer hyperactive/impulsive symptoms than caregivers of White children of higher SES. Despite differences in teachers' ratings by race, diagnostic rates of ADHD in the context of neuropsychological evaluations were comparable for Black and White children. CONCLUSIONS Consistent with previous literature, teachers endorsed more ADHD and conduct problems in Black children. Within our clinically referred sample, this may reflect teacher bias rather than actual prevalence differences by rafce, given that Black caregivers endorsed fewer or similar numbers of symptoms relative to White caregivers. This lack of racial disparities in rates of ADHD diagnosis is inconsistent with findings in community- and population-based samples, and reflectspossible benefit of the use of neuropsychological evaluations in diagnostic decision-making for ADHD.
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Affiliation(s)
- Danielle Wexler
- Department of Neuropsychology, Kennedy Krieger Institute, Baltimore, Maryland, USA;,Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Rod Salgado
- Department of Neuropsychology, Kennedy Krieger Institute, Baltimore, Maryland, USA;,Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Allison Gornik
- Department of Neuropsychology, Kennedy Krieger Institute, Baltimore, Maryland, USA;,Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Rachel Peterson
- Department of Neuropsychology, Kennedy Krieger Institute, Baltimore, Maryland, USA;,Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Alison Pritchard
- Department of Neuropsychology, Kennedy Krieger Institute, Baltimore, Maryland, USA;,Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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16
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Maya-Piedrahita MC, Herrera-Gomez PM, Berrío-Mesa L, Cárdenas-Peña DA, Orozco-Gutierrez AA. Supported Diagnosis of Attention Deficit and Hyperactivity Disorder from EEG Based on Interpretable Kernels for Hidden Markov Models. Int J Neural Syst 2022; 32:2250008. [PMID: 34996341 DOI: 10.1142/s0129065722500083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
As a neurodevelopmental pathology, Attention Deficit Hyperactivity Disorder (ADHD) mainly arises during childhood. Persistent patterns of generalized inattention, impulsivity, or hyperactivity characterize ADHD that may persist into adulthood. The conventional diagnosis relies on clinical observational processes yielding high rates of overdiagnosis due to varying interpretations among specialists or missing information. Although several studies have designed objective behavioral features to overcome such an issue, they lack significance. Despite electroencephalography (EEG) analyses extracting alternative biomarkers using signal processing techniques, the nonlinearity and nonstationarity of EEG signals restrain performance and generalization of hand-crafted features. This work proposes a methodology to support ADHD diagnosis by characterizing EEG signals from hidden Markov models (HMM), classifying subjects based on similarity measures for probability functions, and spatially interpreting the results using graphic embeddings of stochastic dynamic models. The methodology learns a single HMM for EEG signal from each patient, so favoring the inter-subject variability. Then, the Probability Product Kernel, specifically developed for assessing the similarity between HMMs, fed a support vector machine that classifies subjects according to their stochastic dynamics. Lastly, the kernel variant of Principal Component Analysis provided a means to visualize the EEG transitions in a two-dimensional space, evidencing dynamic differences between ADHD and Healthy Control children. From the electrophysiological perspective, we recorded EEG under the Stop Signal Task modified with reward levels, which considers cognitive features of interest as insufficient motivational circuits recruitment. The methodology compares the supported diagnosis in two EEG channel setups (whole channel set and channels of interest in frontocentral area) and four frequency bands (Theta, Alpha, Beta rhythms, and a wideband). Results evidence an accuracy rate of 97.0% in the Beta band and in the channels where previous works found error-related negativity events. Such accuracy rate strongly supports the dual pathway hypothesis and motivational deficit concerning the pathophysiology of ADHD. It also demonstrates the utility of joining inhibitory and motivational paradigms with dynamic EEG analysis into a noninvasive and affordable diagnostic tool for ADHD patients.
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Affiliation(s)
- M C Maya-Piedrahita
- Automatics Research Group, Universidad Tecnológica de Pereira, Pereira, Risaralda, Colombia
| | - P M Herrera-Gomez
- Research Group Psiquiatría Neurociencias y Comunidad, Universidad Tecnológica de Pereira, Pereira, Risaralda, Colombia
| | - L Berrío-Mesa
- Automatics Research Group, Universidad Tecnológica de Pereira, Pereira, Risaralda, Colombia
| | - D A Cárdenas-Peña
- Automatics Research Group, Universidad Tecnológica de Pereira, Pereira, Risaralda, Colombia
| | - A A Orozco-Gutierrez
- Automatics Research Group, Universidad Tecnológica de Pereira, Pereira, Risaralda, Colombia
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17
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Brown TE, Chen J, Robertson B. Improved Executive Function in Adults Diagnosed With Attention-Deficit/ Hyperactivity Disorder as Measured by the Brown Attention-Deficit Disorder Scale Following Treatment With SHP465 Mixed Amphetamine Salts Extended-Release: Post Hoc Analyses From 2 Randomized, Placebo-Controlled Studies. J Atten Disord 2022; 26:256-266. [PMID: 33150816 PMCID: PMC8678658 DOI: 10.1177/1087054720961819] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
OBJECTIVE Assess executive function (EF) improvement with SHP465 mixed amphetamine salts (MAS) extended-release in adults with attention-deficit/hyperactivity disorder (ADHD) using responder analyses of the Brown Attention-Deficit Disorder Scale (BADDS). METHODS Post hoc analyses examined data from placebo-controlled SHP465 MAS dose-optimization (12.5-75 mg) and fixed-dose (25-75 mg) studies. Treatment response was assessed using two definitions (BADDS total score at endpoint <50 [no EF impairment] vs. ≥50 [impaired]; BADDS total score at endpoint relative to the in-treatment 90% CI range for baseline total score [below the range = improved]). RESULTS Response rates (SHP465 MAS vs. placebo) favored SHP465 MAS (all nominal p < .0001) in the dose-optimization (BADDS <50: 41.9% vs. 19.2%; below 90% CI range: 57.4% vs. 29.6%) and fixed-dose (BADDS <50: 51.9% vs. 16.7%; below 90% CI range: 70.6% vs. 32.3%) studies. CONCLUSION Improvement in EF measured by BADDS response rates was approximately 2-fold greater with SHP465 MAS than placebo.
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Affiliation(s)
- Thomas E. Brown
- Keck School of Medicine of the University of Southern California, Los Angeles, and Brown Clinic for Attention & Related Disorders, Manhattan Beach, CA, USA,Thomas E. Brown, Keck School of Medicine of the University of Southern California, Los Angeles, and Brown Clinic for Attention & Related Disorders, 500 S. Sepulveda Blvd, Suite 218, Manhattan Beach, CA 90266, USA.
| | - Jie Chen
- Takeda Pharmaceuticals, Lexington, MA, USA
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18
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Herrera-Gutiérrez E, Gómez-Amor J, López-Ortuño J, Navarro-Noguera M, Villanueva-Blasco VJ. Cognitive and personality differences between adolescents with and without attention deficit/hyperactivity disorder. Acta Psychol (Amst) 2021; 219:103386. [PMID: 34365275 DOI: 10.1016/j.actpsy.2021.103386] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 07/30/2021] [Accepted: 08/02/2021] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND The relationships between cognitive and personality profile in teenagers with and without ADHD were assessed. METHOD Two groups of teenagers, one with ADHD (N = 135; mean age = 13.93) and another group without ADHD (N = 199, mean age = 14.29) were evaluated using the K-BIT and 16PF-APQ tests. RESULTS In cognitive variables, the results revealed that the ADHD group returned higher scores in the Matrices subtest and the IQ test. In personality variables, the group with ADHD exhibited higher scores in Tough-Mindedness and lower scores in Self-Control than the group without the disorder. The canonical correlation analysis applied to each group revealed a differing pattern of interrelationships between the cognitive-personality variables in the two groups. In adolescents with ADHD, we observed that higher scores in cognitive variables were associated with a more extroverted personality and less self-control, while in adolescents without ADHD, higher scores in cognitive variables were associated with less tough-mindedness and lower levels of self-control. CONCLUSIONS The cognitive and personality variables of adolescents with and without ADHD differ. These results will be useful for establishing a cognitive and personality profile for this section of the population. The educational implications of the study are under discussion.
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Prentice JL, Schaeffer MJ, Wall AK, Callahan BL. A Systematic Review and Comparison of Neurocognitive Features of Late-Life Attention-Deficit/Hyperactivity Disorder and Dementia With Lewy Bodies. J Geriatr Psychiatry Neurol 2021; 34:466-481. [PMID: 32762393 DOI: 10.1177/0891988720944251] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE Attention-deficit/hyperactivity disorder (ADHD) in adulthood and dementia with Lewy bodies (DLB) share many cognitive and noncognitive similarities. The overlapping features between both disorders complicate differential diagnosis. The aim of the current systematic review was to compare patterns of neuropsychological profiles in older adults with ADHD and DLB. METHOD Of the 1989 ADHD-related articles and 1332 DLB-related articles screened, 3 ADHD and 25 DLB articles were retained for qualitative synthesis and review. RESULTS A synthesis of individual study findings revealed isolated working memory deficits for late-life ADHD, and performance deficits in areas of attention, memory, language, and visuoperceptual abilities for DLB. Results were limited by small samples and absence of data in some cognitive domains. CONCLUSION These initial findings support potentially unique neurocognitive profiles for ADHD in later life and DLB that would enable practitioners to differentially diagnose and appropriately treat older adults presenting with these phenotypically similar disorders.
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Affiliation(s)
| | | | - Alexandra K Wall
- Department of Psychology, 2129University of Calgary, Alberta, Canada
| | - Brandy L Callahan
- Department of Psychology, 2129University of Calgary, Alberta, Canada.,Hotchkiss Brain Institute, Calgary, Alberta, Canada.,Mathison Centre for Mental Health Research & Education, Calgary, Alberta, Canada
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20
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Affiliation(s)
- Benjamin J Lovett
- School Psychology Program,Teachers College, Columbia University, New York, NY, USA
| | - Allyson G Harrison
- Regional Assessment and Resource Centre, Queen's University, Kingston, Canada
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21
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Guo N, Fuermaier ABM, Koerts J, Mueller BW, Diers K, Mroß A, Mette C, Tucha L, Tucha O. Neuropsychological functioning of individuals at clinical evaluation of adult ADHD. J Neural Transm (Vienna) 2021; 128:877-891. [PMID: 33355692 PMCID: PMC8295106 DOI: 10.1007/s00702-020-02281-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 11/18/2020] [Indexed: 11/26/2022]
Abstract
OBJECTIVES Numerous studies showed that adults with attention deficit hyperactivity disorder (ADHD) suffer from impairments in a range of cognitive functions when compared to healthy controls. However, only little is known about the neuropsychological functions when compared to various clinical control groups and whether a distinct neuropsychological profile can be identified for adult ADHD. METHOD This retrospective study examined data of 199 outpatients referred for clinical evaluation of adult ADHD, allocated either to an ADHD group (n = 78) or to one of two clinical comparison groups, depending on whether they show indications (n = 71) or no indications (n = 50) for the presence of psychiatric disorders other than ADHD. All individuals performed a comprehensive neuropsychological test battery. RESULTS Data analysis revealed impairments in a range of cognitive functions in a substantial number of patients of all three groups. However, profiles of neuropsychological impairments were similar between groups. Furthermore, significant small- to medium-sized correlations between basic and higher-order cognitive functions were revealed in the ADHD group and the clinical comparison group with indications for psychiatric disorders other than ADHD. CONCLUSION Neuropsychological impairments are prominent in psychiatric outpatients seeking a clinical evaluation of adult ADHD but are not specific for ADHD. It is concluded that neuropsychological test performance may have limited incremental value to support the psychiatric differential diagnosis. Furthermore, a clinical trajectory may need to take into account that deficits in a range of higher-order cognitive functions can be substantially explained by deficits in basic cognitive functions.
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Affiliation(s)
- Nana Guo
- Department of Clinical and Developmental Neuropsychology, Faculty of Behavioral and Social Sciences, University of Groningen, Grote Kruisstraat 2/1, 9712 TS, Groningen, The Netherlands.
| | - Anselm B M Fuermaier
- Department of Clinical and Developmental Neuropsychology, Faculty of Behavioral and Social Sciences, University of Groningen, Grote Kruisstraat 2/1, 9712 TS, Groningen, The Netherlands
| | - Janneke Koerts
- Department of Clinical and Developmental Neuropsychology, Faculty of Behavioral and Social Sciences, University of Groningen, Grote Kruisstraat 2/1, 9712 TS, Groningen, The Netherlands
| | - Bernhard W Mueller
- Department of Psychiatry and Psychotherapy, Faculty of Medicine, LVR Hospital Essen, University of Duisburg-Essen, Essen, Germany
- Department of Psychology, University of Wuppertal, Wuppertal, Germany
| | - Katerina Diers
- Department of Psychiatry and Psychotherapy, Faculty of Medicine, LVR Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Aaron Mroß
- Department of Psychiatry and Psychotherapy, Faculty of Medicine, LVR Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | | | - Lara Tucha
- Department of Clinical and Developmental Neuropsychology, Faculty of Behavioral and Social Sciences, University of Groningen, Grote Kruisstraat 2/1, 9712 TS, Groningen, The Netherlands
- Department of Psychiatry and Psychotherapy, University Medical Center Rostock, Rostock, Germany
| | - Oliver Tucha
- Department of Clinical and Developmental Neuropsychology, Faculty of Behavioral and Social Sciences, University of Groningen, Grote Kruisstraat 2/1, 9712 TS, Groningen, The Netherlands
- Department of Psychiatry and Psychotherapy, University Medical Center Rostock, Rostock, Germany
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22
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Lefler EK, Flory K, Canu WH, Willcutt EG, Hartung CM. Unique considerations in the assessment of ADHD in college students. J Clin Exp Neuropsychol 2021; 43:352-369. [PMID: 34078248 DOI: 10.1080/13803395.2021.1936462] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Evidence-based practice in psychology (EBPP) has long focused on treatment, but evidence-based psychological assessment (EBPA) is also crucial given the important role of accurate and reliable diagnostic practices in treatment planning. In terms of the diagnosis of attention-deficit/hyperactivity disorder (ADHD), EBPA practices are well-established for children, and more recently for adults, but for college students in particular there are special considerations that warrant attention. College students with symptoms of ADHD have some challenges that are unique, and thus the assessment and diagnosis of ADHD in these students is unique. The aim of this review is not to cover all EBPA strategies for diagnosing ADHD in emerging adult college students; rather, we will focus on the unique considerations at play in college ADHD assessment. These include (a) conceptual matters such as the appropriateness of the DSM-5 criteria for college students, the limitations of our understanding of ADHD this population because of a lack of diversity in research studies, and the issue of late-identified ADHD; and (b) practical matters, such as specific documentation needs, how to gather and interpret self- and other-report of symptoms, how to assess impairment, and alternate explanations for ADHD-like symptoms in college students.
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Affiliation(s)
- Elizabeth K Lefler
- Department of Psychology, University of Northern Iowa, Cedar Falls, IA, USA
| | - Kate Flory
- Department of Psychology, University of South Carolina, Columbia, SC, USA
| | - Will H Canu
- Department of Psychology, Appalachian State University, Boone, NC, USA
| | - Erik G Willcutt
- Deparment of Psychology and Neuroscience, University of Colorado-Boulder, Boulder, CO, USA
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23
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Baggio S, Hasler R, Deiber MP, Heller P, Buadze A, Giacomini V, Perroud N. Associations of executive and functional outcomes with full-score intellectual quotient among ADHD adults. Psychiatry Res 2020; 294:113521. [PMID: 33161177 DOI: 10.1016/j.psychres.2020.113521] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 10/17/2020] [Indexed: 12/31/2022]
Abstract
Associations between executive and functional impairment, intelligence, and attention deficit hyperactivity disorder (ADHD) have been scarcely investigated among adult populations and lead to inconsistent results. This study tested the impact of intellectual level on executive and functional impairment in a clinical sample of adults diagnosed with ADHD. Participants were recruited in a specialized center for the diagnosis and treatment of ADHD (n=66, mean age=27.9 ± 10.8). Measures included intellectual quotient (IQ, Wechsler Adult Intelligence Scale) categorized as ≤110 or >110, the continuous performance test (CPT3TM), grade retention, educational attainment, and having an activity (job or studies). Participants with a higher IQ had significantly better functional outcomes than participants with a standard IQ: higher educational attainment, lower grade retention, and often having an activity. Participants with higher IQ performed significantly better on all CPT variables assessing executive functioning. Intelligence seemed to work as a protective factor for executive and functional outcomes in a clinical population of ADHD adults and might reduce long-lasting detrimental consequences in life.
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Affiliation(s)
- Stéphanie Baggio
- Division of Prison Health, Geneva University Hospitals and University of Geneva, Geneva, Switzerland; Office of Corrections, Canton Zurich, Zurich, Switzerland.
| | - Roland Hasler
- Department of Mental Health and Psychiatry, Service of Psychiatric Specialties, University Hospitals of Geneva, Geneva, Switzerland; Department of Psychiatry, University of Geneva, Geneva, Switzerland
| | - Marie-Pierre Deiber
- Department of Mental Health and Psychiatry, Service of Psychiatric Specialties, University Hospitals of Geneva, Geneva, Switzerland; Department of Psychiatry, University of Geneva, Geneva, Switzerland
| | - Patrick Heller
- Division of Prison Health, Geneva University Hospitals and University of Geneva, Geneva, Switzerland; Department of Psychiatry, University of Geneva, Geneva, Switzerland
| | - Anna Buadze
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Zurich, Switzerland
| | - Véronique Giacomini
- Department of Mental Health and Psychiatry, Service of Psychiatric Specialties, University Hospitals of Geneva, Geneva, Switzerland
| | - Nader Perroud
- Department of Mental Health and Psychiatry, Service of Psychiatric Specialties, University Hospitals of Geneva, Geneva, Switzerland; Department of Psychiatry, University of Geneva, Geneva, Switzerland; Department of Psychiatry, Dalhousie University, Halifax, Nova Scotia, Canada
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24
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Sears L, Sears CG, Myers JV, Brock GN, Zierold KM. Associations of the Behavioral Assessment and Research System (BARS) neurobehavioral outcomes with attention problems in children living near coal ash storage sites. Neurotoxicology 2020; 81:11-17. [PMID: 32810513 DOI: 10.1016/j.neuro.2020.08.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Revised: 07/26/2020] [Accepted: 08/10/2020] [Indexed: 10/23/2022]
Abstract
Environmental exposures have been linked to childhood problems with overactivity, attention, and impulse control, and an increased risk of attention deficit hyperactivity disorder (ADHD) diagnosis. Two approaches to identify these types of exposure-related neurobehavioral problems include the use of computerized tests, such as the Behavioral Assessment and Research System (BARS), as well as the use of behavior rating scales. To assess comparability of these two types of measures, we analyzed data from 281 children aged 6 to 14 years enrolled in a 5-year research study investigating coal ash exposure and neurobehavioral health. All children lived in proximity of coal ash storage sites. We administered six computer tests from the BARS and obtained behavior measures from the parent-completed Child Behavior Checklist (CBCL) ADHD DSM oriented scale. BARS test performance was associated with age indicating that the tests could be used to evaluate neurodevelopmental changes over time or across a wide age range. Tests within the BARS including Continuous Performance (CPT) false alarm (standardized estimate 1.57, 95% confidence interval (CI) (0.67, 2.48), adjusted p = 0.006), Selective Attention (SAT) wrong count (standardized estimate 2.8, 95% CI (1.17, 4.44), adjusted p = 0.006), and SAT proportion correct (standardized estimate -2.45, 95% CI (-4.01, -0.88), adjusted p = 0.01) were associated with attention and impulse control problems on the CBCL after adjustment for multiple comparisons. Findings support that the BARS can contribute to research on environmental exposures by assessing subclinical behaviors related to ADHD such as sustained attention, impulse control, response inhibition, associative learning, and short-term memory. Future research can examine relationships of these BARS measures with biomarkers of neurotoxic exposures related to living near coal ash storage sites to better identify the potential risk for ADHD-related behaviors among children living near coal ash storage sites.
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Affiliation(s)
- Lonnie Sears
- Department of Pediatrics, University of Louisville, Louisville, Kentucky, USA.
| | - Clara G Sears
- Department of Epidemiology, Brown University, Providence, Rhode Island, USA.
| | - John V Myers
- Department of Biomedical Informatics and Center for Biostatistics, The Ohio State University, Columbus, Ohio, USA.
| | - Guy N Brock
- Department of Biomedical Informatics and Center for Biostatistics, The Ohio State University, Columbus, Ohio, USA.
| | - Kristina M Zierold
- Department of Environmental Health Sciences, University of Alabama at Birmingham, Birmingham, Alabama, USA.
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Nicholls CJ, Winstone LK, DiVirgilio EK, Foley MB. Test of variables of attention performance among ADHD children with credible vs. non-credible PVT performance. APPLIED NEUROPSYCHOLOGY-CHILD 2020; 9:307-313. [DOI: 10.1080/21622965.2020.1751787] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Christopher J. Nicholls
- The Nicholls Group, Scottdale, AZ, USA
- Adjunct Faculty, Department of Psychology, Arizona State University, Tempe, AZ, USA
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26
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Marshall P, Hoelzle J, Nikolas M. Diagnosing Attention-Deficit/Hyperactivity Disorder (ADHD) in young adults: A qualitative review of the utility of assessment measures and recommendations for improving the diagnostic process. Clin Neuropsychol 2019; 35:165-198. [PMID: 31791193 DOI: 10.1080/13854046.2019.1696409] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Objective: Identify assessment measures that augment the clinical interview and improve the diagnostic accuracy of adult ADHD assessment.Method: The sometimes limited research literatures concerning the diagnostic efficacies of the clinical interview, standard and novel ADHD behavior rating scales, performance and symptom validity testing, and cognitive tests are critically reviewed.Results: Based on this qualitative review, both clinical interviews alone and ADHD behavior rating scales alone have adequate sensitivity but poor specificity in diagnosing ADHD. Response validity and symptom validity tests have reasonably good sensitivity and very good specificity in detecting invalid symptom presentation. Cognitive test batteries have inadequate sensitivity and specificity in identifying ADHD. Using cognitive tests in conjunction with behavior rating scales significantly improves the specificity of an assessment battery. Executive function behavior rating scales and functional impairment rating scales are unlikely to improve the diagnostic accuracy of ADHD assessment.Conclusions: Based on this review, key clinical interview questions, behavior rating scales, symptom validity tests, and cognitive tests that have promise to enhance current assessment practices are recommended. These are the authors' personal opinions, not consensus standards, or guidelines promulgated by any organization. These measures are incorporated in a practical, somewhat abbreviated, battery that has the potential to improve clinicians' ability to diagnose adult ADHD.
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Affiliation(s)
- Paul Marshall
- Department of Psychiatry, Hennepin Healthcare Systems, Minneapolis, MN, USA
| | - James Hoelzle
- Department of Psychology, Marquette University, Milwaukee, WI, USA
| | - Molly Nikolas
- Department of Psychological and Brain Sciences, University of Iowa, Iowa City, IA, USA
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27
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Lau-Zhu A, Tye C, Rijsdijk F, McLoughlin G. No evidence of associations between ADHD and event-related brain potentials from a continuous performance task in a population-based sample of adolescent twins. PLoS One 2019; 14:e0223460. [PMID: 31584981 PMCID: PMC6777760 DOI: 10.1371/journal.pone.0223460] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 09/20/2019] [Indexed: 12/22/2022] Open
Abstract
We investigated key event-related brain potential markers (ERPs) derived from a flanked continuous performance task (CPT) and whether these would show phenotypic associations with ADHD (attention-deficit/hyperactivity disorder) in a population-based sample. We further explored whether there was preliminary evidence that such ERPs could also index genetic risk for ADHD (depending on finding phenotypic associations). Sixty-seven male-only twin pairs (N = 134; aged 12–15) from a subsample of the Twins’ Early Development Study, concordant and discordant for ADHD symptoms, performed the flanked CPT (or CPT-OX) while electroencephalography (EEG) was recorded. ERPs were obtained for cue (P3, CNV or contingency negative variation), go (P3, N2) and nogo trials (P3, N2). We found no phenotypic associations between CPT-derived ERPs and ADHD—the sizes of the estimated phenotypic correlations were nonsignificant and very small (r’s = -.11 to .04). Twin-model fitting analyses using structural equation modelling provided preliminary evidence that some of the ERPs were heritable (with the most robust effect for go-P3 latency), but there was limited evidence of any genetic associations between ERPs and ADHD, although with the caveat that our sample was small and hence had limited power. Overall, unlike in previous research, there was no evidence of phenotypic (nor preliminary evidence for genetic) associations between ADHD and CPT-derived ERPs in this study. Hence, it may be currently premature for genetic analyses of ADHD to be guided by CPT-derived ERP parameters (unlike alternative cognitive-neurophysiological approaches which may be more promising). Further research with better-powered, population-based, genetically-informative and cross-disorder samples are required, which could be facilitated by emerging mobile EEG technologies.
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Affiliation(s)
- Alex Lau-Zhu
- Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, England, United Kingdom
- Centre for Psychiatry, Brain Sciences Division, Imperial College London, London, England, United Kingdom
- * E-mail:
| | - Charlotte Tye
- Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, England, United Kingdom
- Department of Child and Adolescent Psychiatry, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, England, United Kingdom
| | - Frühling Rijsdijk
- Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, England, United Kingdom
| | - Grainne McLoughlin
- Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, England, United Kingdom
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28
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Barkley RA, Eme R. Is Neuropsychological Testing Useful for Any Reason in the Evaluation of ADHD? A Rejoinder to Mapou. ACTA ACUST UNITED AC 2019. [DOI: 10.1521/adhd.2019.27.5.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Russell A. Barkley
- Clinical Professor of Psychiatry at the Virginia Treatment Center for Children and Virginia Commonwealth University Medical Center, Richmond. He is Editor of The ADHD Report and can be reached via e-mail at:
| | - Robert Eme
- Retired Professor of Psychology and can be reached via e-mail at
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29
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Fried R, DiSalvo M, Kelberman C, Biederman J. Can the CANTAB identify adults with attention-deficit/hyperactivity disorder? A controlled study. APPLIED NEUROPSYCHOLOGY-ADULT 2019; 28:318-327. [PMID: 31303053 DOI: 10.1080/23279095.2019.1633328] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
We examined the diagnostic utility of the Cambridge Neuropsychological Test Automated Battery (CANTAB) for identifying adults with attention-deficit/hyperactivity disorder (ADHD). The sample consisted of clinically referred adults aged 18 to 60 years old, with (n = 474) and without (n = 163) DSM-IV diagnosis of ADHD. All subjects were administered seven subtests from the CANTAB that targeted domains of executive functioning and verbal memory. Data were analyzed to identify which CANTAB tasks would best predict ADHD status. Our results failed to show any diagnostic utility for the CANTAB in adults with ADHD, even when using the most robust tests (Affective Go/No-go [AGN] Total Commissions and [RTI] Simple Reaction Time) identified from stepwise logistic regression (forward selection; p > 0.05 for entry). However, the CANTAB was helpful in identifying executive functioning disorder (EFD) in adults with ADHD when compared with controls subjects. Even though the CANTAB lacked diagnostic utility for adults with ADHD, the findings provided further evidence that adult ADHD is strongly associated with EFD. This study represents the most comprehensive evaluation of the diagnostic utility of the CANTAB in a clinical sample of adults with ADHD.
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Affiliation(s)
- Ronna Fried
- Clinical and Research Programs in Pediatric Psychopharmacology and Adult ADHD, Massachusetts General Hospital, Boston, MA, USA.,Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Maura DiSalvo
- Clinical and Research Programs in Pediatric Psychopharmacology and Adult ADHD, Massachusetts General Hospital, Boston, MA, USA
| | - Caroline Kelberman
- Clinical and Research Programs in Pediatric Psychopharmacology and Adult ADHD, Massachusetts General Hospital, Boston, MA, USA
| | - Joseph Biederman
- Clinical and Research Programs in Pediatric Psychopharmacology and Adult ADHD, Massachusetts General Hospital, Boston, MA, USA.,Department of Psychiatry, Harvard Medical School, Boston, MA, USA
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