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Related Concept Videos

Obsessive-Compulsive Disorder01:28

Obsessive-Compulsive Disorder

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Obsessive-compulsive disorder (OCD) is a mental health condition characterized by recurrent obsessions, compulsions, or both, which consume significant time and interfere with daily functioning. Obsessions involve persistent, intrusive, and unwanted thoughts, images, or urges that evoke anxiety. Common examples include irrational fears of contamination or harm. Compulsions are repetitive behaviors or mental acts performed to reduce the anxiety caused by obsessions. For instance, individuals...
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Personality Disorders: Dependent and Obsessive-Compulsive01:24

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Dependent personality disorder and obsessive-compulsive personality disorder are two separate psychological conditions that influence behavior, relationships, and overall life functioning. Though both involve maladaptive behaviors, their core characteristics and motivations differ significantly.
 Dependent Personality Disorder
Dependent personality disorder is characterized by an excessive reliance on others to manage various aspects of life. Individuals with this disorder often struggle...
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Classical Conditioning in Daily Life01:17

Classical Conditioning in Daily Life

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Classical conditioning, a fundamental principle of associative learning, explains various phenomena observed in daily life, such as fear development, the placebo effect, taste aversion, and drug habituation. These applications demonstrate the profound impact of associative learning on human behavior and physiological responses.
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Intrinsically Disordered Proteins02:18

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Intrinsically disordered proteins are a group of proteins that do not fold into specific three-dimensional structures. Their structural flexibility allows them to complement ordered proteins to perform functions that are inaccessible to rigid structures. They are more common in eukaryotes than prokaryotes and may either be exclusively intrinsically disordered or hybrid proteins, consisting of a mix of ordered and disordered regions. The absence of a rigid structure in these proteins can be...
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Electric Potential and Potential Difference01:16

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Suppose a positive test charge moves away from a positive static charge, then the Coulomb force does positive work, and its electric potential energy decreases. The potential energy per unit charge is defined as the electric potential. The electric potential is independent of the test charge.
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Difference from Background: Limit of Detection01:05

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The limit of detection (LOD) is the smallest amount of analyte that can be distinguished from the background noise. The LOD value corresponds to the concentration at which the analyte signal is three times larger than the standard deviation of the blank signal. Below this value, the analyte signal cannot be differentiated from the background noise. It is calculated by dividing the calibration slope by 3 times the standard deviation of the blank signals.
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Time-of-day differences in daily functioning in children with obsessive-compulsive disorder.

Masahide Usami1, Yoshinori Sasaki2, Mayuna Ichikawa3

  • 1Department of Child and Adolescent Psychiatry, National Kohnodai Medical Center, Japan Institute for Health Security, 1-7-1 Kohnodai, Ichikawa, 272-8516, Chiba, Japan. usami.m@jihs.go.jp.

Scientific Reports
|February 4, 2026
PubMed
Summary

Children with obsessive-compulsive disorder (OCD) experience significant daily functional impairments, especially during school and nighttime. Behavioral problems and anxiety impact functioning, highlighting the need for tailored interventions for pediatric OCD.

Keywords:
AdolescentChildFamily burdenObsessive compulsive disorder

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Area of Science:

  • Child and Adolescent Psychiatry
  • Pediatric Psychology
  • Neurodevelopmental Disorders

Background:

  • Obsessive-compulsive disorder (OCD) significantly impacts children's daily functioning.
  • Understanding time-of-day specific impairments is crucial for effective treatment.

Purpose of the Study:

  • To evaluate time-of-day specific functional impairments in children with OCD.
  • To identify clinical and psychosocial factors associated with these impairments.

Main Methods:

  • Analysis of registry data from 136 children diagnosed with OCD.
  • Parent-reported assessment of functional difficulties using the Questionnaire - Children with Difficulties (QCD).
  • Comparison with community norms and multiple regression analyses to identify associated factors.

Main Results:

  • Children with OCD showed significantly lower scores across all QCD domains compared to community norms.
  • Marked impairments were observed in school, after-school, and nighttime routines.
  • Behavioral problems predicted better morning/evening functioning, while siblings predicted poorer morning functioning. Anxiety was linked to better night-time functioning.

Conclusions:

  • Children and adolescents with OCD exhibit significant, domain-specific functional impairments.
  • Psychosocial factors like behavioral problems, sibling presence, and anxiety are associated with time-specific functioning.
  • Targeted, time-sensitive interventions are necessary for pediatric OCD management.