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Neural Mechanisms of Attention Lapses in Adult ADHD

NCT03948607 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 63

Last updated 2023-04-18

No results posted yet for this study

Summary

ADHD is a common disorder, leading to a significant disability that often persists in adulthood. ADHD is characterized by attentional disturbances that are difficult to asses with standard neuropsychological tests.

Attention tends to stall after a certain time of fatigue (i.e. an attention lapse). The aim of this study is to study the electroencephalographic (EEG) characteristics of these attention lapses in a sustained attention task, comparing ADHD patients with healthy subjects.

Conditions

  • Attention Deficit Disorder
  • Hyperactivity Disorder

Interventions

OTHER

Electroencephalography during sustained attention task.

The Continuous Temporal Expectancy Task (CTET) (O'Connell et al., 2009) is a very demanding discrimination task with sustained attention. It consists of the presentation on a computer screen of a visual pattern resembling a checkerboard that changes orientation at regular intervals of time. In this task the subject must respond (pressing a response button) to the appearance of rare target stimuli that have a longer duration (1120 ms) than non-target stimuli (800 ms). SART (Sustained Attention to Response Task) (Robertson et al., 1997) is a task of inhibition (Go / No-Go task) to evaluate the capacities of sustained attention. It consists in the successive and random presentation on a computer screen of the numbers from 1 to 9. In this task the subject must respond, by pressing a response button, to the appearance of all the numbers (very non-target stimuli frequent), with the exception of the number "3".

Sponsors & Collaborators

  • University Hospital, Strasbourg, France

    lead OTHER

Principal Investigators

  • Sébastien WEIBEL · Hôpitaux Universitaires de Strasbourg

Eligibility

Min Age
18 Years
Max Age
60 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2019-09-10
Primary Completion
2021-05-05
Completion
2021-05-05

Countries

  • France

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03948607 on ClinicalTrials.gov