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Editorial Perspective: Delayed circadian rhythm phase: a cause of late‐onset attention‐deficit/hyperactivity disorder among adolescents?

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Title: Editorial Perspective: Delayed circadian rhythm phase: a cause of late‐onset attention‐deficit/hyperactivity disorder among adolescents?
Authors: Lunsford‐Avery, Jessica R., Kollins, Scott H.
Source: Journal of Child Psychology & Psychiatry. Dec2018, Vol. 59 Issue 12, p1248-1251. 4p.
Subjects: Psychiatric drugs, Attention-deficit hyperactivity disorder, Dose-response relationship in biochemistry, Gene expression, Genetic polymorphisms, Medical care costs, Mental health, Mental illness, Serial publications, Sleep disorders, Phenotypes, Comorbidity, Disease prevalence, Severity of illness index, Chronobiology disorders, Delayed onset of disease, Disease complications, Symptoms, Adolescence
Abstract: Late‐onset attention‐deficit/hyperactivity disorder (ADHD) has been a topic of significant debate within our field. One question focuses on whether there may be alternative explanations for the onset of inattentive and/or hyperactive symptoms in adolescence. Adolescence is a developmental period associated with a normative circadian rhythm phase delay, and there is significant overlap in the behavioral and cognitive manifestations and genetic underpinnings of ADHD and circadian misalignment. Delayed circadian rhythm phase is also common among individuals with traditionally diagnosed ADHD, and exposure to bright light may be protective against ADHD, a process potentially mediated by improved circadian timing. In addition, daytime sleepiness is prevalent in late‐onset ADHD. Despite these converging lines of evidence, circadian misalignment is yet to be considered in the context of late‐onset ADHD – a glaring gap. It is imperative for future research in late‐onset ADHD to consider a possible causal role of delayed circadian rhythm phase in adolescence. Clarification of this issue has significant implications for research, clinical care, and public health. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Child Psychology & Psychiatry is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Editorial Perspective: Delayed circadian rhythm phase: a cause of late‐onset attention‐deficit/hyperactivity disorder among adolescents?
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Child+Psychology+%26+Psychiatry%22">Journal of Child Psychology & Psychiatry</searchLink>. Dec2018, Vol. 59 Issue 12, p1248-1251. 4p.
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  Data: Late‐onset attention‐deficit/hyperactivity disorder (ADHD) has been a topic of significant debate within our field. One question focuses on whether there may be alternative explanations for the onset of inattentive and/or hyperactive symptoms in adolescence. Adolescence is a developmental period associated with a normative circadian rhythm phase delay, and there is significant overlap in the behavioral and cognitive manifestations and genetic underpinnings of ADHD and circadian misalignment. Delayed circadian rhythm phase is also common among individuals with traditionally diagnosed ADHD, and exposure to bright light may be protective against ADHD, a process potentially mediated by improved circadian timing. In addition, daytime sleepiness is prevalent in late‐onset ADHD. Despite these converging lines of evidence, circadian misalignment is yet to be considered in the context of late‐onset ADHD – a glaring gap. It is imperative for future research in late‐onset ADHD to consider a possible causal role of delayed circadian rhythm phase in adolescence. Clarification of this issue has significant implications for research, clinical care, and public health. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Child Psychology & Psychiatry is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1111/jcpp.12956
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        Text: English
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        StartPage: 1248
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      – SubjectFull: Psychiatric drugs
        Type: general
      – SubjectFull: Attention-deficit hyperactivity disorder
        Type: general
      – SubjectFull: Dose-response relationship in biochemistry
        Type: general
      – SubjectFull: Gene expression
        Type: general
      – SubjectFull: Genetic polymorphisms
        Type: general
      – SubjectFull: Medical care costs
        Type: general
      – SubjectFull: Mental health
        Type: general
      – SubjectFull: Mental illness
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      – SubjectFull: Serial publications
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      – SubjectFull: Sleep disorders
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      – SubjectFull: Phenotypes
        Type: general
      – SubjectFull: Comorbidity
        Type: general
      – SubjectFull: Disease prevalence
        Type: general
      – SubjectFull: Severity of illness index
        Type: general
      – SubjectFull: Chronobiology disorders
        Type: general
      – SubjectFull: Delayed onset of disease
        Type: general
      – SubjectFull: Disease complications
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      – SubjectFull: Symptoms
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      – SubjectFull: Adolescence
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      – TitleFull: Editorial Perspective: Delayed circadian rhythm phase: a cause of late‐onset attention‐deficit/hyperactivity disorder among adolescents?
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            NameFull: Lunsford‐Avery, Jessica R.
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              M: 12
              Text: Dec2018
              Type: published
              Y: 2018
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