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Related Concept Videos

Attention-Deficit/Hyperactivity Disorder01:30

Attention-Deficit/Hyperactivity Disorder

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Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by persistent inattention, hyperactivity, and impulsivity. It affects approximately 5-8% of children globally, with around 60-70% of cases persisting into adulthood. ADHD has significant implications for educational attainment, social interactions, and occupational success.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
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Human Genetics01:28

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Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
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Related Experiment Video

Updated: Jul 29, 2025

Event Related Potentials ERPs and other EEG Based Methods for Extracting Biomarkers of Brain Dysfunction: Examples from Pediatric Attention Deficit/Hyperactivity Disorder ADHD
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Exploring neural heterogeneity in inattention and hyperactivity.

Natalia Zdorovtsova1, Jonathan Jones1, Danyal Akarca1

  • 1MRC Cognition and Brain Sciences Unit, University of Cambridge, Cambridge, UK.

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|May 19, 2023
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Inattention and hyperactivity in children may stem from diverse brain development paths. Researchers identified two distinct neural subtypes in children with these traits, linked to brain network topology and executive function differences.

Keywords:
CommunicabilityHyperactivityInattentionNeurodevelopmentStructural connectome

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Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Child Psychiatry

Background:

  • Inattention and hyperactivity are core symptoms of Attention Deficit Hyperactivity Disorder (ADHD).
  • These behaviors are also present in other neurodevelopmental conditions like autism and dyspraxia.
  • Studying these symptoms across diagnostic categories may offer deeper insights into their underlying mechanisms.

Purpose of the Study:

  • To investigate the association between inattention and hyperactivity behaviors and the structural brain network (connectome).
  • To explore neural heterogeneity in children with clinically elevated levels of inattention and hyperactivity.

Main Methods:

  • Utilized a large transdiagnostic sample of children (n=383) from the Centre for Attention, Learning, and Memory.
  • Employed Partial Least-Squares (PLS) regression to analyze the relationship between a latent factor of inattention/hyperactivity and connectome properties.
  • Applied multidimensional scaling and k-means clustering to identify neural subtypes in a subset of children (n=232) with elevated symptoms.

Main Results:

  • A single latent factor explained 77.6% of the variance in inattention and hyperactivity scores.
  • Connectome nodewise properties did not linearly explain the variability in this latent factor.
  • Two distinct neural subtypes were identified in children with elevated inattention and hyperactivity, differentiated by nodal communicability.
  • These subtypes exhibited similar behavioral profiles but differed in executive function performance.

Conclusions:

  • Inattention and hyperactivity in neurodevelopmental conditions may arise from multiple distinct developmental trajectories.
  • Two such trajectories were identified, reflected in structural brain network topology and cognitive assessments.
  • Understanding these neural subtypes can inform more targeted interventions for children with neurodevelopmental challenges.