Katherine Johnson

Longitudinal Trajectories of Sustained Attention Development in Children and Adolescents with ADHD.

Phoebe Thomson, Nandita Vijayakumar, Katherine A Johnson, Charles B Malpas, Emma Sciberras, Daryl Efron, Philip Hazell, Timothy J Silk

Journal article  |  2020  |  Journal of Abnormal Child Psychology

The present study characterizes changes in sustained attention ability over ages 9-14, and whether longitudinal trajectories of at..

Head Motion During MRI Predicted by out-of-Scanner Sustained Attention Performance in Attention-Deficit/Hyperactivity Disorder

Phoebe Thomson, Katherine A Johnson, Charles B Malpas, Daryl Efron, Emma Sciberras, Timothy J Silk

Journal article  |  2020  |  Journal of Attention Disorders

Objective: To characterize head movements in children with ADHD using an ex-Gaussian distribution and examine associations with ou..

A child-focused version of the Attention Network Task designed to investigate interactions between the attention networks, including the endogenous orienting network

Katherine A Johnson, Frances C Lewis, Kim M Cornish

Journal article  |  2019  |  Child Neuropsychology

A new variation of the Attention Network Task (ANT) was designed to measure the functioning of and interactions between the alerti..

Structural covariance networks in children and their associations with maternal behaviors

Sally Richmond, Richard Beare, Katherine A Johnson, Nicholas B Allen, Marc L Seal, Sarah Whittle

Journal article  |  2019  |  NeuroImage

There is a substantial body of research documenting the influence of early adverse experience on brain development. In contrast, r..

Integration and Segregation of the Brain Relate to Stability of Performance in Children and Adolescents with Varied Levels of Inattention and Impulsivity

Keitaro Machida, Katherine A Johnson

Journal article  |  2019  |  Brain Connectivity

It is common to find that individuals with attention-deficit/hyperactivity disorder (ADHD) produce more variable responses when pe..

Electrophysiological Correlates of Response Time Variability During a Sustained Attention Task

Keitaro Machida, Michael Murias, Katherine A Johnson

Journal article  |  2019  |  FRONTIERS IN HUMAN NEUROSCIENCE

Measurement of cortisol, dehydroepiandrosterone, and testosterone in the hair of children: Preliminary results and promising indications

Jesse D Smith, Katherine A Johnson, Sarah Whittle, Nicholas B Allen, Julian G Simmons

Journal article  |  2019  |  Developmental Psychobiology

Hormone analysis is a valuable tool for understanding how physiology and behavior interact. Cortisol in hair has recently been exa..

Appraising the psychological benefits of green roofs for city residents and workers

Kathryn JH Williams, Kate E Lee, Leisa Sargent, Katherine A Johnson, John Rayner, Claire Farrell, Rebecca E Miller, Nicholas SG Williams

Journal article  |  2019  |  Urban Forestry and Urban Greening

Aspects of attention and inhibitory control are associated with on-task classroom behaviour and behavioural assessments, by both teachers and parents, in children with high and low symptoms of ADHD

Katherine A Johnson, Maximilian White, Poh Sum Wong, Cheree Murrihy

Journal article  |  2019  |  Child Neuropsychology

A new look at the developmental profile of visual endogenous orienting

Oriane Landry, Katherine A Johnson, Sarah J Fleming, Sheila G Crewther, Philippe A Chouinard

Journal article  |  2019  |  Journal of Experimental Child Psychology

Can Nature Walks With Psychological Tasks Improve Mood, Self-Reported Restoration, and Sustained Attention? Results From Two Experimental Field Studies

Tytti Pasanen, Katherine Johnson, Kate Lee, Kalevi Korpela

Journal article  |  2018  |  FRONTIERS IN PSYCHOLOGY

Conceptualising creativity benefits of nature experience: Attention restoration and mind wandering as complementary processes

Kathryn JH Williams, Kate E Lee, Terry Hartig, Leisa D Sargent, Nicholas SG Williams, Katherine A Johnson

Journal article  |  2018  |  Journal of Environmental Psychology

Exploratory Factor Analysis of Observational Parent-Child Interaction Data.

Sally Richmond, Orli Schwartz, Katherine A Johnson, Marc L Seal, Katherine Bray, Camille Deane, Lisa B Sheeber, Nicholas B Allen, Sarah Whittle

Journal article  |  2018  |  Assessment

The majority of studies using observational coding systems for family interaction data derive scales describing family members' be..

A Mental Timeline for Duration From the Age of 5 Years Old

Jennifer T Coull, Katherine A Johnson, Sylvie Droit-Volet

Journal article  |  2018  |  FRONTIERS IN PSYCHOLOGY

The provision of partial notes is not associated with improved student attention in lectures or subsequent understanding of the lecture material

Keitaro Machida, Michelle Chin, Katherine A Johnson

Journal article  |  2018  |  Active Learning in Higher Education

Childhood-Diagnosed ADHD, Symptom Progression, and Reversal Learning in Adulthood

Hazel McCarthy, Jessica Stanley, Richard Piech, Norbert Skokauskas, Aisling Mulligan, Gary Donohoe, Diane Mullins, John Kelly, Katherine Johnson, Andrew Fagan, Michael Gill, James Meaney, Thomas Frodl

Journal article  |  2018  |  Journal of Attention Disorders

A longitudinal analysis of the attention networks in 6-to 11-year-old children

Frances C Lewis, Robert A Reeve, Katherine A Johnson

Journal article  |  2018  |  Child Neuropsychology

Sustained attention to a predictable, unengaging Go/No-Go task shows ongoing development between 6 and 11 years

Frances C Lewis, Robert A Reeve, Simon P Kelly, Katherine A Johnson

Journal article  |  2017  |  Attention, Perception, & Psychophysics

Evidence of substantial development of inhibitory control and sustained attention between 6 and 8 years of age on an unpredictable Go/No-Go task

Frances C Lewis, Robert A Reeve, Simon P Kelly, Katherine A Johnson

Journal article  |  2017  |  Journal of Experimental Child Psychology

THE BASAL GANGLIA

K Johnson

Book Chapter  |  2017

Green micro-breaks: Viewing workplace nature improves mood and performance

KE Lee, LD Sargent, NSG Williams, KA Johnson, KJH Williams

Conference Proceedings  |  2017  |  Academy of Management Proceedings

Development of brain networks and relevance of environmental and genetic factors: A systematic review

Sally Richmond, Katherine A Johnson, Marc L Seal, Nicholas B Allen, Sarah Whittle

Journal article  |  2016  |  Neuroscience & Biobehavioral Reviews

Response time variability under slow and fast-incentive conditions in children with ASD, ADHD and ASD plus ADHD

Charlotte Tye, Katherine A Johnson, Simon P Kelly, Philip Asherson, Jonna Kuntsi, Karen L Ashwood, Bahare Azadi, Patrick Bolton, Grainne McLoughlin

Journal article  |  2016  |  Journal of Child Psychology and Psychiatry

The frontal cortex

K JOHNSON

Book Chapter  |  2016

Developmental Disorders of the Brain: Brain and Behaviour addresses disabilities that occur or have their roots in the early, deve..

The basal ganglia

K JOHNSON

Book Chapter  |  2016

This chapter reviews the anatomy, connectivity, and the biochemistry of the basal ganglia (BG). It presents some of the models of ..

Isochronous Sequential Presentation Helps Children Orient Their Attention in Time

Katherine A Johnson, Marita Bryan, Kira Polonowita, Delia Decroupet, Jennifer T Coull

Journal article  |  2016  |  FRONTIERS IN PSYCHOLOGY

Brain functional networks in children with high levels of inattention and impulsivity

Keitaro Machida, Katherine A Johnson

Conference Proceedings  |  2016  |  INTERNATIONAL JOURNAL OF PSYCHOLOGY

Small wins: an initiative to promote gender equity in higher education

Katherine A Johnson, Deborah J Warr, Kelsey Hegarty, Marilys Guillemin

Journal article  |  2015  |  Journal of Higher Education Policy and Management

A Componential Analysis of Visual Attention in Children With ADHD

Laura P McAvinue, Signe Vangkilde, Katherine A Johnson, Thomas Habekost, Soren Kyllingsbaek, Claus Bundesen, Ian H Robertson

Journal article  |  2015  |  Journal of Attention Disorders

Children born with very low birth weight show difficulties with sustained attention but not response inhibition

Katherine A Johnson, Elaine Healy, Barbara Dooley, Simon P Kelly, Fiona McNicholas

Journal article  |  2015  |  Child Neuropsychology

40-second green roof views sustain attention: The role of micro-breaks in attention restoration

Kate E Lee, Kathryn JH Williams, Leisa D Sargent, Nicholas SG Williams, Katherine A Johnson

Journal article  |  2015  |  Journal of Environmental Psychology

Children Can Implicitly, but Not Voluntarily, Direct Attention in Time

Katherine A Johnson, Emma Burrowes, Jennifer T Coull

Journal article  |  2015  |  PLOS ONE

Disrupted Functional Connectivity in Dorsal and Ventral Attention Networks During Attention Orienting in Autism Spectrum Disorders

Jacqueline Fitzgerald, Katherine Johnson, Elizabeth Kehoe, Arun LW Bokde, Hugh Garavan, Louise Gallagher, Jane McGrath

Journal article  |  2015  |  Autism Research

Increased Response-Time Variability Across Different Cognitive Tasks in Children With ADHD

Nicoletta Adamo, Adriana Di Martino, Lidia Esu, Eva Petkova, Katherine Johnson, Simon Kelly, Francisco Xavier Castellanos, Alessandro Zuddas

Journal article  |  2014  |  Journal of Attention Disorders

Methylphenidate improves some but not all measures of ATTENTION, as measured by the TEA-Ch in medication-naive children with ADHD

Kate Paton, Phoebe Hammond, Edwina Barry, Michael Fitzgerald, Fiona McNicholas, Aiveen Kirley, Ian H Robertson, Mark A Bellgrove, Michael Gill, Katherine A Johnson

Journal article  |  2014  |  Child Neuropsychology

Pragmatic language difficulties in children with hyperactivity and attention problems: an integrated review

Benita C Green, Katherine A Johnson, Lesley Bretherton

Journal article  |  2014  |  International Journal of Language & Communication Disorders

Methylphenidate Side Effect Profile Is Influenced by Genetic Variation in the Attention-Deficit/Hyperactivity Disorder-Associated CES1 Gene

Katherine A Johnson, Edwina Barry, David Lambert, Michael Fitzgerald, Fiona McNicholas, Aiveen Kirley, Michael Gill, Mark A Bellgrove, Ziarih Hawi

Journal article  |  2013  |  Journal of Child and Adolescent Psychopharmacology

Attention Network Hypoconnectivity With Default and Affective Network Hyperconnectivity in Adults Diagnosed With Attention-Deficit/Hyperactivity Disorder in Childhood

Hazel McCarthy, Norbert Skokauskas, Aisling Mulligan, Gary Donohoe, Diane Mullins, John Kelly, Katherine Johnson, Andrew Fagan, Michael Gill, James Meaney, Thomas Frodl

Journal article  |  2013  |  JAMA Psychiatry

White Matter and Visuospatial Processing in Autism: A Constrained Spherical Deconvolution Tractography Study

Jane McGrath, Katherine Johnson, Erik O'Hanlon, Hugh Garavan, Louise Gallagher, Alexander Leemans

Journal article  |  2013  |  Autism Research

Abnormal functional connectivity during visuospatial processing is associated with disrupted organisation of white matter in autism

Jane McGrath, Katherine Johnson, Erik O'Hanlon, Hugh Garavan, Alexander Leemans, Louise Gallagher

Journal article  |  2013  |  FRONTIERS IN HUMAN NEUROSCIENCE

Sustained attention, attentional selectivity, and attentional capacity across the lifespan

Laura P McAvinue, Thomas Habekost, Katherine A Johnson, Soren Kyllingsbaek, Signe Vangkilde, Claus Bundesen, Ian H Robertson

Journal article  |  2012  |  ATTENTION PERCEPTION & PSYCHOPHYSICS

Atypical Visuospatial Processing in Autism: Insights from Functional Connectivity Analysis

Jane McGrath, Katherine Johnson, Christine Ecker, Erik O'Hanlon, Michael Gill, Louise Gallagher, Hugh Garavan

Journal article  |  2012  |  Autism: The International Journal of Research and Practice

A mechanistic appraisal of cognitive dysfunction in epilepsy

Radwa AB Badawy, Katherine A Johnson, Mark J Cook, Anthony S Harvey

Journal article  |  2012  |  Neuroscience and Biobehavioral Reviews

The relationship between sustained attention, attentional selectivity, and capacity

Laura P McAvinue, Signe Vangkilde, Katherine A Johnson, Thomas Habekost, Soren Kyllingsbaek, Ian H Robertson, Claus Bundesen

Journal article  |  2012  |  Cognitive Psychology

fMRI activation during response inhibition and error processing: The role of the DAT1 gene in typically developing adolescents and those diagnosed with ADHD

Wouter Braet, Katherine A Johnson, Claire T Tobin, Ruth Acheson, Caroline McDonnell, Ziarah Hawi, Edwina Barry, Aisling Mulligan, Michael Gill, Mark A Bellgrove, Ian H Robertson, Hugh Garavan

Journal article  |  2011  |  Neuropsychologia

The relationship between ADHD and key cognitive phenotypes is not mediated by shared familial effects with IQ

AC Wood, F Rijsdijk, KA Johnson, P Andreou, B Albrecht, A Arias-Vasquez, JK Buitelaar, G McLoughlin, NNJ Rommelse, JA Sergeant, EJS Sonuga-Barke, H Uebel, JJ van der Meere, T Banaschewski, M Gill, I Manor, A Miranda, F Mulas, RD Oades, H Roeyers, et al.

Journal article  |  2011  |  Psychological Medicine

Separation of Cognitive Impairments in Attention-Deficit/Hyperactivity Disorder Into 2 Familial Factors

Jonna Kuntsi, Alexis C Wood, Fruehling Rijsdijk, Katherine A Johnson, Penelope Andreou, Bjoern Albrecht, Alejandro Arias-Vasquez, Jan K Buitelaar, Grainne McLoughlin, Nanda NJ Rommelse, Joseph A Sergeant, Edmund JS Sonuga-Barke, Henrik Uebel, Jaap J van der Meere, Tobias Banaschewski, Michael Gill, Iris Manor, Ana Miranda, Fernando Mulas, Robert D Oades, et al.

Journal article  |  2010  |  Archives of General Psychiatry

Right-sided spatial difficulties in ADHD demonstrated in continuous movement control

KA Johnson, A Daibhis, CT Tobin, R Acheson, A Watchorn, A Mulligan, E Barry, JL Bradshaw, M Gill, IH Robertson

Journal article  |  2010  |  Neuropsychologia

Functional developmental changes underlying response inhibition and error-detection processes

Wouter Braet, Katherine A Johnson, Claire T Tobin, Ruth Acheson, Mark A Bellgrove, Ian H Robertson, Hugh Garavan

Journal article  |  2009  |  Neuropsychologia

Dopaminergic Haplotype as a Predictor of Spatial Inattention in Children With Attention-Deficit/Hyperactivity Disorder

Mark A Bellgrove, Katherine A Johnson, Edwina Barry, Aisling Mulligan, Ziarah Hawi, Michael Gill, Ian Robertson, Christopher D Chambers

Journal article  |  2009  |  Archives of General Psychiatry

What would Karl Popper say? Are current psychological theories of ADHD falsifiable?

Katherine A Johnson, Jan R Wiersema, Jonna Kuntsi

Journal article  |  2009  |  BEHAVIORAL AND BRAIN FUNCTIONS

Impaired conflict resolution and alerting in children with ADHD: evidence from the Attention Network Task (ANT)

Katherine A Johnson, Ian H Robertson, Edwina Barry, Aisling Mulligan, Aoife Daibhis, Michael Daly, Amy Watchorn, Michael Gill, Mark A Bellgrove

Journal article  |  2008  |  Journal of Child Psychology and Psychiatry

Absence of the 7-repeat variant of the DRD4 VNTR is associated with drifting sustained attention in children with ADHD but not in controls

Katherine A Johnson, Simon P Kelly, Ian H Robertson, Edwina Barry, Aisling Mulligan, Michael Daly, David Lambert, Caroline McDonnell, Thomas J Connor, Ziarih Hawi, Michael Gill, Mark A Bellgrove

Journal article  |  2008  |  American Journal of Medical Genetics Part B: Neuropsychiatric Genetics

Imaging the genetics of executive function

Ciara M Greene, Wouter Braet, Katherine A Johnson, Mark A Bellgrove

Journal article  |  2008  |  Biological Psychology

Spatial attentional bias as a marker of genetic risk, symptom severity, and stimulant response in ADHD

Mark A Bellgrove, Edwina Barry, Katherine A Johnson, Marie Cox, Aoife Daibhis, Michael Daly, Ziarih Hawi, David Lambert, Michael Fitzgerald, Fiona McNicholas, Ian H Robertson, Michael Gill, Aiveen Kirley

Journal article  |  2008  |  Neuropsychopharmacology

Dissociation in response to methylphenidate on response variability in a group of medication naive children with ADHD

Katherine A Johnson, Edwina Barry, Mark A Bellgrove, Marie Cox, Simon P Kelly, Aoife Daibhis, Michael Daly, Michelle Keavey, Amy Watchorn, Michael Fitzgerald, Fiona McNicholas, Aiveen Kirley, Ian H Robertson, Michael Gill

Journal article  |  2008  |  Neuropsychologia

A review of neuropsychological and neuroimaging research in autistic spectrum disorders: Attention, inhibition and cognitive flexibility

Jane Sanders, Katherine A Johnson, Hugh Garavan, Michael Gill, Louise Gallagher

Journal article  |  2008  |  Research in Autism Spectrum Disorders

Dopaminergic genotype biases spatial attention in healthy children

MA Bellgrove, CD Chambers, KA Johnson, A Daibhis, M Daly, Z Hawi, D Lambert, IH Robertson

Journal article  |  2007  |  Molecular Psychiatry

Dissociation in performance of children with ADHD and high-functioning autism on a task of sustained attention

Katherine A Johnson, Ian H Robertson, Simon P Kelly, Timothy J Silk, Edwina Barry, Aoife Daibhis, Amy Watchorn, Michelle Keavey, Michael Fitzgerald, Louise Gallagher, Michael Gill, Mark A Bellgrove

Journal article  |  2007  |  Neuropsychologia

Response variability in Attention Deficit Hyperactivity Disorder: Evidence for neuropsychological heterogeneity

Katherine A Johnson, Simon P Kelly, Mark A Bellgrove, Edwina Barry, Marie Cox, Michael Gill, Ian H Robertson

Journal article  |  2007  |  Neuropsychologia

Dissociation in performance of children with ADHD and high-functioning autism on a task of sustained attention

K Johnson, I Robertson, S Kelly, E Barry, A Watchorn, M Keavey, L Gallagher, M Gill, M Bellgrove

Conference Proceedings  |  2007  |  JOURNAL OF NEURAL TRANSMISSION

Association between DRD4 7R VNTR and response variability in children with and without ADHD

Katherine A Johnson, Ian H Robertson, Simon P Kelly, Edwina Barry, Aoife Daibhis, Michael Daly, David Lambert, Ziarih Hawi, Michael Gill, Mark A Bellgrove

Conference Proceedings  |  2006  |  AMERICAN JOURNAL OF MEDICAL GENETICS PART B-NEUROPSYCHIATRIC GENETICS

Movement-related potentials in high-functioning autism and Asperger's disorder

NJ Rinehart, BJ Tonge, JL Bradshaw, R Iansek, PG Enticott, KA Johnson

Journal article  |  2006  |  Developmental Medicine & Child Neurology

Movement variability in children with ADHD

KA Johnson, MA Bellgrove, E Barry, M Cox, Z Hawi, A Kirley, IH Robertson, M Gill

Conference Proceedings  |  2005  |  AMERICAN JOURNAL OF MEDICAL GENETICS PART B-NEUROPSYCHIATRIC GENETICS

Effect of an attentional strategy on movement-related potentials recorded from subjects with Huntington's disease

KA Johnson, R Cunnington, JL Bradshaw, E Chiu, R Iansek

Journal article  |  2002  |  Movement Disorders

Movement-related potentials in Huntington's disease: movement preparation and execution

KA Johnson, R Cunnington, R Iansek, JL Bradshaw, N Georgiou, E Chiu

Journal article  |  2001  |  Experimental Brain Research

Bimanual coordination in chronic schizophrenia

MA Bellgrove, JL Bradshaw, D Velakoulis, KA Johnson, MA Rogers, D Smith, C Pantelis

Journal article  |  2001  |  Brain and Cognition

Bimanual co-ordination in Huntington's disease

KA Johnson, JE Bennett, N Georgiou, JL Bradshaw, E Chiu, R Cunnington, R Iansek

Journal article  |  2000  |  Experimental Brain Research

Bimanual co-ordination in Parkinson's disease

KA Johnson, R Cunnington, JL Bradshaw, JG Phillips, R Iansek, MA Rogers

Journal article  |  1998  |  Brain

Movement-related potentials in Parkinson's disease - Motor imagery and movement preparation

R Cunnington, R Iansek, KA Johnson, JL Bradshaw

Journal article  |  1997  |  Brain