COgnitive Dynamics in Early Childhood

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

600 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-11-18

Study Completion Date

2027-12-31

Brief Summary

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The goal of this accelerated longitudinal observational cohort study is to advance our understanding of cognitive variability in children aged 7 to 10 at first measurement. The CODEC study aims to integrate experience sampling methods, longitudinal designs, deep phenotyping cohorts, and state-of-the-art statistical methodologies to investigate three core questions:

1. How does cognitive variability differ between individuals?
2. What are the neural, psychological, and environmental mechanisms that underlie cognitive variability?
3. What are the long-term consequences and outcomes associated with differences in cognitive variability?

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Detailed Description

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Conditions

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Cognitive Change

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Design

Behavioural or behavioural with imaging

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* In order to be eligible to participate in the behavioural arm of this study, a subject must meet all of the following criteria:

* Between the ages of 7 and 10 years at the moment of the first assessment. In order to be eligible to participate in the imaging arm of this study, a subject must meet all of the following criteria:
* Between the ages of 8 and 10 years at the moment of the first assessment.

Exclusion Criteria

* A potential subject will be excluded from participation in the study if the participant indicates not understanding the instructions of the behavioural tasks due to a language barrier. In the imaging arm of the study, a potential subject who meets any of the following criteria will further be excluded from participation in the imaging arm of the study:

* History of neurological or psychiatric illness.
* History of using psychotropic medications.
* Contraindications for MRI.
* Metal parts that cannot be removed, are present in or on upper body, e.g. plates, screws, aneurysm clips, metal splinters, piercings or medical plasters. (exception: dental fillings, crowns, a metal wire behind the teeth, tattoos and contraceptive coils).
* Body containing metal fragments, in particular in the eye, e.g., caused by injuries when working with metal.
* History of brain surgery.
* Active implant(s) (e.g. pacemaker, neurostimulator, insulin pump, ossicle prosthesis)
* Using a medical plaster that cannot or may not be taken off (e.g. nicotine plaster)

Minimum Eligible Age

7 Years

Maximum Eligible Age

13 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes