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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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Anorexia nervosa is a complex and severe eating disorder characterized by an intense fear of weight gain, an unrelenting pursuit of thinness, and a distorted body image. It often leads to dangerously low body weight relative to an individual's age and height. This disorder is marked by significant physical and psychological consequences, making it one of the most life-threatening psychiatric illnesses.
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Bulimia nervosa is a complex and severe eating disorder characterized by a cyclical pattern of binge-and-purge eating pattern. It generally involves an episode of binge eating, followed by compensatory behaviors such as vomiting, excessive exercise, laxative use, or fasting, to prevent weight gain. Despite often maintaining a normal weight, individuals with bulimia are intensely preoccupied with their body image and harbor an overwhelming fear of gaining weight. This can contribute to the...
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Binge Eating Disorders01:23

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Binge eating disorder is a significant mental health condition characterized by recurrent episodes of excessive food consumption within a short period, accompanied by a perceived loss of control over eating behavior. Unlike occasional overeating, binge eating disorder is marked by distressing emotions such as guilt, shame, and anxiety following binge episodes. The disorder affects individuals across different ages and backgrounds, with profound implications for physical and psychological...
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Gustation, or the sense of taste, is intrinsically linked to the anatomical structures located on the tongue. This organ's surface, along with the entirety of the oral cavity, is adorned with stratified squamous epithelium. Evident on the tongue are elevated structures known as papillae (singular = papilla), which house the mechanisms for the transduction of gustatory stimuli. Four distinct types of papillae exist, each identified by their unique morphological attributes: the circumvallate,...
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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.
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Updated: Mar 15, 2026

Exploring the Neural Correlates of Cognitive Reappraisal in Obsessive-Compulsive Disorder Using Task-based Functional Magnetic Resonance Imaging
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Understanding the Relationship Between Avoidant/Restrictive Food Intake Disorder and Obsessive-Compulsive Symptoms: A

Michelangelo Di Luzio1,2, Valeria Villani1, Giulia D'Amario1,2

  • 1Child and Adolescent Neuropsychiatry Unit, Bambino Gesù Children's Hospital, IRCCS, Viale Ferdinando Baldelli, 41, 00146 Rome, Italy.

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Summary

Obsessive-compulsive disorder (OCD) and avoidant/restrictive food intake disorder (ARFID) share overlapping traits, with comorbidity varying by age. Understanding these connections can lead to better treatments for both conditions.

Keywords:
ARFIDOCDavoidant/restrictive food intake disorderclinical featurescomorbidityeating disordersobsessive–compulsive disorder

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Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Neuroscience

Background:

  • Obsessive-compulsive disorder (OCD) and eating disorders share psychopathological traits.
  • Limited research exists on the overlap between OCD and avoidant/restrictive food intake disorder (ARFID).

Purpose of the Study:

  • To investigate the comorbidity and psychopathological similarities between OCD and ARFID.

Main Methods:

  • Systematic review of PubMed/MEDLINE, Scopus, and PsycInfo databases.
  • Adherence to PRISMA guidelines for methodological rigor.

Main Results:

  • Nine studies were included, revealing overlapping and distinct psychopathological characteristics between ARFID and OCD.
  • Comorbidity is suggested, with age influencing symptom presentation; younger individuals show less OCD comorbidity but a fear-driven ARFID profile when OCD is present.
  • Treatment can be complicated, as OCD symptoms may not respond well to standard eating disorder interventions.

Conclusions:

  • ARFID and OCD share psychopathological features, with age-dependent comorbidity patterns.
  • Recognizing shared and distinct traits is crucial for developing targeted, personalized interventions.
  • Further longitudinal studies are recommended to improve treatment outcomes for these interconnected disorders.