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Attention-Deficit/Hyperactivity Disorder01:30

Attention-Deficit/Hyperactivity Disorder

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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Related Experiment Video

Updated: Jun 12, 2026

Touchscreen Sustained Attention Task (SAT) for Rats
09:31

Touchscreen Sustained Attention Task (SAT) for Rats

Published on: September 15, 2017

Age-related differences in the attention network test (ANT).

Nadia Gamboz1, Stefania Zamarian, Corrado Cavallero

  • 1Laboratory of Experimental Psychology, Suor Orsola Benincasa University, Naples, Italy.

Experimental Aging Research
|June 15, 2010
PubMed
Summary
This summary is machine-generated.

Older adults show reduced alerting but similar orienting and conflict resolution compared to younger adults. This study on aging and attention networks provides insights into cognitive changes over time.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human Aging Research

Background:

  • Attention is crucial for cognitive function.
  • Aging impacts various cognitive processes, including attention.
  • Previous research on age-related attention differences shows mixed results.

Purpose of the Study:

  • To investigate the effects of aging on the three distinct networks of attention: alerting, orienting, and conflict resolution.
  • To compare the performance of younger and older adults on a comprehensive attention task.

Main Methods:

  • Utilized the Attention Network Test (ANT), integrating flanker and cueing tasks.
  • Assessed performance in younger (mean age = 25.8) and older (mean age = 67.9) adult groups.
  • Analyzed response times to measure effects on alerting, orienting, and conflict resolution.

Main Results:

  • Younger and older adults exhibited comparable orienting and conflict resolution.
  • A significant reduction in alerting was observed in older adults compared to younger adults.
  • Findings on age-related alerting differences align inconsistently with prior studies.

Conclusions:

  • Aging differentially affects components of the attention system.
  • Alerting capacity may decline with age, while orienting and conflict resolution remain relatively preserved.
  • Methodological variations across studies may explain discrepancies in findings regarding age and alerting.