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Auteur Chris HOLLIS |
Documents disponibles écrits par cet auteur (12)



Annual Research Review: Digital health interventions for children and young people with mental health problems – a systematic and meta-review / Chris HOLLIS in Journal of Child Psychology and Psychiatry, 58-4 (April 2017)
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Titre : Annual Research Review: Digital health interventions for children and young people with mental health problems – a systematic and meta-review Type de document : Texte imprimé et/ou numérique Auteurs : Chris HOLLIS, Auteur ; Caroline J. FALCONER, Auteur ; Jennifer L. MARTIN, Auteur ; Craig WHITTINGTON, Auteur ; Sarah STOCKTON, Auteur ; Cris GLAZEBROOK, Auteur ; E. Bethan DAVIES, Auteur Article en page(s) : p.474-503 Langues : Anglais (eng) Mots-clés : Digital health mental health eHealth methodology randomised controlled trials prevention Index. décimale : PER Périodiques Résumé : Background Digital health interventions (DHIs), including computer-assisted therapy, smartphone apps and wearable technologies, are heralded as having enormous potential to improve uptake and accessibility, efficiency, clinical effectiveness and personalisation of mental health interventions. It is generally assumed that DHIs will be preferred by children and young people (CYP) given their ubiquitous digital activity. However, it remains uncertain whether: DHIs for CYP are clinically and cost-effective, CYP prefer DHIs to traditional services, DHIs widen access and how they should be evaluated and adopted by mental health services. This review evaluates the evidence-base for DHIs and considers the key research questions and approaches to evaluation and implementation. Methods We conducted a meta-review of scoping, narrative, systematic or meta-analytical reviews investigating the effectiveness of DHIs for mental health problems in CYP. We also updated a systematic review of randomised controlled trials (RCTs) of DHIs for CYP published in the last 3 years. Results Twenty-one reviews were included in the meta-review. The findings provide some support for the clinical benefit of DHIs, particularly computerised cognitive behavioural therapy (cCBT), for depression and anxiety in adolescents and young adults. The systematic review identified 30 new RCTs evaluating DHIs for attention deficit/hyperactivity disorder (ADHD), autism, anxiety, depression, psychosis, eating disorders and PTSD. The benefits of DHIs in managing ADHD, autism, psychosis and eating disorders are uncertain, and evidence is lacking regarding the cost-effectiveness of DHIs. Conclusions Key methodological limitations make it difficult to draw definitive conclusions from existing clinical trials of DHIs. Issues include variable uptake and engagement with DHIs, lack of an agreed typology/taxonomy for DHIs, small sample sizes, lack of blinded outcome assessment, combining different comparators, short-term follow-up and poor specification of the level of human support. Research and practice recommendations are presented that address the key research questions and methodological issues for the evaluation and clinical implementation of DHIs for CYP. En ligne : http://dx.doi.org/10.1111/jcpp.12663 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=305
in Journal of Child Psychology and Psychiatry > 58-4 (April 2017) . - p.474-503[article] Annual Research Review: Digital health interventions for children and young people with mental health problems – a systematic and meta-review [Texte imprimé et/ou numérique] / Chris HOLLIS, Auteur ; Caroline J. FALCONER, Auteur ; Jennifer L. MARTIN, Auteur ; Craig WHITTINGTON, Auteur ; Sarah STOCKTON, Auteur ; Cris GLAZEBROOK, Auteur ; E. Bethan DAVIES, Auteur . - p.474-503.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 58-4 (April 2017) . - p.474-503
Mots-clés : Digital health mental health eHealth methodology randomised controlled trials prevention Index. décimale : PER Périodiques Résumé : Background Digital health interventions (DHIs), including computer-assisted therapy, smartphone apps and wearable technologies, are heralded as having enormous potential to improve uptake and accessibility, efficiency, clinical effectiveness and personalisation of mental health interventions. It is generally assumed that DHIs will be preferred by children and young people (CYP) given their ubiquitous digital activity. However, it remains uncertain whether: DHIs for CYP are clinically and cost-effective, CYP prefer DHIs to traditional services, DHIs widen access and how they should be evaluated and adopted by mental health services. This review evaluates the evidence-base for DHIs and considers the key research questions and approaches to evaluation and implementation. Methods We conducted a meta-review of scoping, narrative, systematic or meta-analytical reviews investigating the effectiveness of DHIs for mental health problems in CYP. We also updated a systematic review of randomised controlled trials (RCTs) of DHIs for CYP published in the last 3 years. Results Twenty-one reviews were included in the meta-review. The findings provide some support for the clinical benefit of DHIs, particularly computerised cognitive behavioural therapy (cCBT), for depression and anxiety in adolescents and young adults. The systematic review identified 30 new RCTs evaluating DHIs for attention deficit/hyperactivity disorder (ADHD), autism, anxiety, depression, psychosis, eating disorders and PTSD. The benefits of DHIs in managing ADHD, autism, psychosis and eating disorders are uncertain, and evidence is lacking regarding the cost-effectiveness of DHIs. Conclusions Key methodological limitations make it difficult to draw definitive conclusions from existing clinical trials of DHIs. Issues include variable uptake and engagement with DHIs, lack of an agreed typology/taxonomy for DHIs, small sample sizes, lack of blinded outcome assessment, combining different comparators, short-term follow-up and poor specification of the level of human support. Research and practice recommendations are presented that address the key research questions and methodological issues for the evaluation and clinical implementation of DHIs for CYP. En ligne : http://dx.doi.org/10.1111/jcpp.12663 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=305 Atypical Processing of Gaze Cues and Faces Explains Comorbidity between Autism Spectrum Disorder (ASD) and Attention Deficit/Hyperactivity Disorder (ADHD) / Madeleine J. GROOM in Journal of Autism and Developmental Disorders, 47-5 (May 2017)
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Titre : Atypical Processing of Gaze Cues and Faces Explains Comorbidity between Autism Spectrum Disorder (ASD) and Attention Deficit/Hyperactivity Disorder (ADHD) Type de document : Texte imprimé et/ou numérique Auteurs : Madeleine J. GROOM, Auteur ; Puja KOCHHAR, Auteur ; Antonia HAMILTON, Auteur ; Elizabeth B. LIDDLE, Auteur ; Marina SIMEOU, Auteur ; Chris HOLLIS, Auteur Article en page(s) : p.1496-1509 Langues : Anglais (eng) Mots-clés : ASD ADHD ERPs Comorbidity Gaze cueing Face processing Index. décimale : PER Périodiques Résumé : This study investigated the neurobiological basis of comorbidity between autism spectrum disorder (ASD) and attention deficit/hyperactivity disorder (ADHD). We compared children with ASD, ADHD or ADHD+ASD and typically developing controls (CTRL) on behavioural and electrophysiological correlates of gaze cue and face processing. We measured effects of ASD, ADHD and their interaction on the EDAN, an ERP marker of orienting visual attention towards a spatially cued location and the N170, a right-hemisphere lateralised ERP linked to face processing. We identified atypical gaze cue and face processing in children with ASD and ADHD+ASD compared with the ADHD and CTRL groups. The findings indicate a neurobiological basis for the presence of comorbid ASD symptoms in ADHD. Further research using larger samples is needed. En ligne : http://dx.doi.org/10.1007/s10803-017-3078-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=305
in Journal of Autism and Developmental Disorders > 47-5 (May 2017) . - p.1496-1509[article] Atypical Processing of Gaze Cues and Faces Explains Comorbidity between Autism Spectrum Disorder (ASD) and Attention Deficit/Hyperactivity Disorder (ADHD) [Texte imprimé et/ou numérique] / Madeleine J. GROOM, Auteur ; Puja KOCHHAR, Auteur ; Antonia HAMILTON, Auteur ; Elizabeth B. LIDDLE, Auteur ; Marina SIMEOU, Auteur ; Chris HOLLIS, Auteur . - p.1496-1509.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 47-5 (May 2017) . - p.1496-1509
Mots-clés : ASD ADHD ERPs Comorbidity Gaze cueing Face processing Index. décimale : PER Périodiques Résumé : This study investigated the neurobiological basis of comorbidity between autism spectrum disorder (ASD) and attention deficit/hyperactivity disorder (ADHD). We compared children with ASD, ADHD or ADHD+ASD and typically developing controls (CTRL) on behavioural and electrophysiological correlates of gaze cue and face processing. We measured effects of ASD, ADHD and their interaction on the EDAN, an ERP marker of orienting visual attention towards a spatially cued location and the N170, a right-hemisphere lateralised ERP linked to face processing. We identified atypical gaze cue and face processing in children with ASD and ADHD+ASD compared with the ADHD and CTRL groups. The findings indicate a neurobiological basis for the presence of comorbid ASD symptoms in ADHD. Further research using larger samples is needed. En ligne : http://dx.doi.org/10.1007/s10803-017-3078-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=305 Commentary: Using QbTest for monitoring pharmacological treatment response in ADHD - are we there yet? / Alessio BELLATO ; Valeria PARLATINI ; Madeleine J. GROOM ; Charlotte L. HALL ; Chris HOLLIS ; Emily SIMONOFF ; Anita THAPAR ; Samuele CORTESE in Journal of Child Psychology and Psychiatry, 66-2 (February 2025)
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Titre : Commentary: Using QbTest for monitoring pharmacological treatment response in ADHD - are we there yet? : Journal of Child Psychology and Psychiatry Type de document : Texte imprimé et/ou numérique Auteurs : Alessio BELLATO, Auteur ; Valeria PARLATINI, Auteur ; Madeleine J. GROOM, Auteur ; Charlotte L. HALL, Auteur ; Chris HOLLIS, Auteur ; Emily SIMONOFF, Auteur ; Anita THAPAR, Auteur ; Samuele CORTESE, Auteur Article en page(s) : p.266-270 Langues : Anglais (eng) Mots-clés : ADHD activity level biomarkers continuous performance test outcome pharmacotherapy Index. décimale : PER Périodiques Résumé : Individuals with attention-deficit/hyperactivity disorder (ADHD) exhibit varied responses to pharmacological treatments (e.g. stimulants and non-stimulants). Accurately and promptly detecting treatment-related improvements, response failure, or deterioration poses significant challenges, as current monitoring primarily relies on subjective ratings. In this commentary, we critically evaluate the evidence supporting the use of QbTest for objectively monitoring ADHD treatment response in clinical practice. We also offer recommendations for future research, advocating for rigorous clinical trials and longitudinal studies to further explore the potential utilisation of QbTest and other tools for monitoring treatment responses in individuals with ADHD. En ligne : https://doi.org/10.1111/jcpp.14071 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=545
in Journal of Child Psychology and Psychiatry > 66-2 (February 2025) . - p.266-270[article] Commentary: Using QbTest for monitoring pharmacological treatment response in ADHD - are we there yet? : Journal of Child Psychology and Psychiatry [Texte imprimé et/ou numérique] / Alessio BELLATO, Auteur ; Valeria PARLATINI, Auteur ; Madeleine J. GROOM, Auteur ; Charlotte L. HALL, Auteur ; Chris HOLLIS, Auteur ; Emily SIMONOFF, Auteur ; Anita THAPAR, Auteur ; Samuele CORTESE, Auteur . - p.266-270.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 66-2 (February 2025) . - p.266-270
Mots-clés : ADHD activity level biomarkers continuous performance test outcome pharmacotherapy Index. décimale : PER Périodiques Résumé : Individuals with attention-deficit/hyperactivity disorder (ADHD) exhibit varied responses to pharmacological treatments (e.g. stimulants and non-stimulants). Accurately and promptly detecting treatment-related improvements, response failure, or deterioration poses significant challenges, as current monitoring primarily relies on subjective ratings. In this commentary, we critically evaluate the evidence supporting the use of QbTest for objectively monitoring ADHD treatment response in clinical practice. We also offer recommendations for future research, advocating for rigorous clinical trials and longitudinal studies to further explore the potential utilisation of QbTest and other tools for monitoring treatment responses in individuals with ADHD. En ligne : https://doi.org/10.1111/jcpp.14071 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=545 Editorial: The role of digital technology in children and young people's mental health - a triple-edged sword? / Chris HOLLIS in Journal of Child Psychology and Psychiatry, 61-8 (August 2020)
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Titre : Editorial: The role of digital technology in children and young people's mental health - a triple-edged sword? Type de document : Texte imprimé et/ou numérique Auteurs : Chris HOLLIS, Auteur ; Sonia LIVINGSTONE, Auteur ; Edmund J. S. SONUGA-BARKE, Auteur Article en page(s) : p.837-841 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : The rapid expansion of access to, and engagement with, the Internet and digital technology over the past 15 or so years has transformed the social, educational and therapeutic space occupied by children and young people in contemporary society in remarkable ways. First, it has created previously unimaginable opportunities for learning and development and personal exploration and growth. Second, it seems that the very same qualities and characteristics of the Internet that make these positive contributions possible, such as its immediacy, portability, intimacy, unconstrained reach and lack of supervision and regulation of content, has opened children and young people up to a range of serious social, intellectual and mental health risks. Finally, over and above these 'effects', the digital space is increasingly successfully being harnessed for the identification and treatment of mental health problems. Accordingly, the Internet is not so much a double-, as a triple-edged sword, with regard to children's mental health. En ligne : http://dx.doi.org/10.1111/jcpp.13302 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=429
in Journal of Child Psychology and Psychiatry > 61-8 (August 2020) . - p.837-841[article] Editorial: The role of digital technology in children and young people's mental health - a triple-edged sword? [Texte imprimé et/ou numérique] / Chris HOLLIS, Auteur ; Sonia LIVINGSTONE, Auteur ; Edmund J. S. SONUGA-BARKE, Auteur . - p.837-841.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 61-8 (August 2020) . - p.837-841
Index. décimale : PER Périodiques Résumé : The rapid expansion of access to, and engagement with, the Internet and digital technology over the past 15 or so years has transformed the social, educational and therapeutic space occupied by children and young people in contemporary society in remarkable ways. First, it has created previously unimaginable opportunities for learning and development and personal exploration and growth. Second, it seems that the very same qualities and characteristics of the Internet that make these positive contributions possible, such as its immediacy, portability, intimacy, unconstrained reach and lack of supervision and regulation of content, has opened children and young people up to a range of serious social, intellectual and mental health risks. Finally, over and above these 'effects', the digital space is increasingly successfully being harnessed for the identification and treatment of mental health problems. Accordingly, the Internet is not so much a double-, as a triple-edged sword, with regard to children's mental health. En ligne : http://dx.doi.org/10.1111/jcpp.13302 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=429 Electrophysiological indices of abnormal error-processing in adolescents with attention deficit hyperactivity disorder (ADHD) / Madeleine J. GROOM in Journal of Child Psychology and Psychiatry, 51-1 (January 2010)
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Titre : Electrophysiological indices of abnormal error-processing in adolescents with attention deficit hyperactivity disorder (ADHD) Type de document : Texte imprimé et/ou numérique Auteurs : Madeleine J. GROOM, Auteur ; John D. CAHILL, Auteur ; Alan T. BATES, Auteur ; Georgina M. JACKSON, Auteur ; Timothy G. CALTON, Auteur ; Peter F. LIDDLE, Auteur ; Chris HOLLIS, Auteur Année de publication : 2010 Article en page(s) : p.66-76 Langues : Anglais (eng) Mots-clés : ADHD electrophysiology ERN cognitive-control adolescence Index. décimale : PER Périodiques Résumé : Background: Impaired cognitive control has been frequently observed in children and young people with attention deficit hyperactivity disorder (ADHD) and might underlie the excessive hyperactivity and impulsivity in this population. We investigated behavioural and electrophysiological indices relevant to one domain of cognitive control; namely error processing.
Methods: Adolescents aged 14 to 17 with ADHD (n = 23) and a typically developing control group (HC; n = 19) performed a visual go/no-go task. Electro-encephalography (EEG) data were collected simultaneously and response-locked error trials were averaged to derive two event-related potentials, the error-related negativity (ERN) and error positivity (Pe). Evoked theta power and inter-trial phase coherence (ITC) were measured in two time windows ('early' and 'late') equivalent to those used for detection of the ERN and Pe.
Results: Analysis revealed normal ERN amplitude and a statistical trend for smaller Pe amplitude at a fronto-central electrode site in the ADHD group. The group also showed significant reductions in late evoked theta power and early and late theta ITC. Relationships between behavioural measures and ITC were different between groups, particularly for post-error slowing, a measure of strategic response adjustment on trials immediately following an error.
Conclusions: The results reveal abnormalities in behavioural and electrophysiological indices of error processing in adolescents with ADHD and suggest that ITC is more sensitive than traditional ERP measures to error-processing abnormalities.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2009.02128.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=940
in Journal of Child Psychology and Psychiatry > 51-1 (January 2010) . - p.66-76[article] Electrophysiological indices of abnormal error-processing in adolescents with attention deficit hyperactivity disorder (ADHD) [Texte imprimé et/ou numérique] / Madeleine J. GROOM, Auteur ; John D. CAHILL, Auteur ; Alan T. BATES, Auteur ; Georgina M. JACKSON, Auteur ; Timothy G. CALTON, Auteur ; Peter F. LIDDLE, Auteur ; Chris HOLLIS, Auteur . - 2010 . - p.66-76.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 51-1 (January 2010) . - p.66-76
Mots-clés : ADHD electrophysiology ERN cognitive-control adolescence Index. décimale : PER Périodiques Résumé : Background: Impaired cognitive control has been frequently observed in children and young people with attention deficit hyperactivity disorder (ADHD) and might underlie the excessive hyperactivity and impulsivity in this population. We investigated behavioural and electrophysiological indices relevant to one domain of cognitive control; namely error processing.
Methods: Adolescents aged 14 to 17 with ADHD (n = 23) and a typically developing control group (HC; n = 19) performed a visual go/no-go task. Electro-encephalography (EEG) data were collected simultaneously and response-locked error trials were averaged to derive two event-related potentials, the error-related negativity (ERN) and error positivity (Pe). Evoked theta power and inter-trial phase coherence (ITC) were measured in two time windows ('early' and 'late') equivalent to those used for detection of the ERN and Pe.
Results: Analysis revealed normal ERN amplitude and a statistical trend for smaller Pe amplitude at a fronto-central electrode site in the ADHD group. The group also showed significant reductions in late evoked theta power and early and late theta ITC. Relationships between behavioural measures and ITC were different between groups, particularly for post-error slowing, a measure of strategic response adjustment on trials immediately following an error.
Conclusions: The results reveal abnormalities in behavioural and electrophysiological indices of error processing in adolescents with ADHD and suggest that ITC is more sensitive than traditional ERP measures to error-processing abnormalities.En ligne : http://dx.doi.org/10.1111/j.1469-7610.2009.02128.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=940 Heart Rate Variability in Children and Adolescents with Autism, ADHD and Co-occurring Autism and ADHD, During Passive and Active Experimental Conditions / Alessio BELLATO in Journal of Autism and Developmental Disorders, 52-11 (November 2022)
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PermalinkLong-term clinical and cost-effectiveness of a therapist-supported online remote behavioural intervention for tics in children and adolescents: extended 12- and 18-month follow-up of a single-blind randomised controlled trial / Chris HOLLIS in Journal of Child Psychology and Psychiatry, 64-6 (June 2023)
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PermalinkMotivational incentives and methylphenidate enhance electrophysiological correlates of error monitoring in children with attention deficit/hyperactivity disorder / Madeleine J. GROOM in Journal of Child Psychology and Psychiatry, 54-8 (August 2013)
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PermalinkPractitioner Review: Clinical utility of the QbTest for the assessment and diagnosis of attention-deficit/hyperactivity disorder - a systematic review and meta-analysis / Charlotte L. HALL ; Madeleine J. GROOM ; Emily SIMONOFF ; Anita THAPAR ; Chris HOLLIS ; Samuele CORTESE in Journal of Child Psychology and Psychiatry, 65-6 (June 2024)
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PermalinkPractitioner Review: Current best practice in the use of parent training and other behavioural interventions in the treatment of children and adolescents with attention deficit hyperactivity disorder / David DALEY in Journal of Child Psychology and Psychiatry, 59-9 (September 2018)
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PermalinkPractitioner Review: Treatments for Tourette syndrome in children and young people – a systematic review / Craig WHITTINGTON in Journal of Child Psychology and Psychiatry, 57-9 (September 2016)
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PermalinkTask-related default mode network modulation and inhibitory control in ADHD: effects of motivation and methylphenidate / Elizabeth B. LIDDLE in Journal of Child Psychology and Psychiatry, 52-7 (July 2011)
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