The interplay between genes and environment in cognitive abilities

The interplay between genes and environment in cognitive abilities - The interplay between genes and environment in cognitive abilities

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON35143

Enrollment

1400

Registered

2007-02-12

Start date

2006-01-09

Completion date

Unknown

Last updated

2024-06-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Individuele verschillen in normaal cognitief functioneren m.b.t. attentie en geheugen cognition intelligence

Interventions

None listed

Eligibility

Age

2 Years to 99 Years

Inclusion criteria

Inclusion criteria: Partners from the general population, aged above 18 This amendment: healthy children aged 8-15 (adjusted protocol)

Exclusion criteria

Exclusion criteria: Illiterate, worse knowledge of the Dutch language, hard of hearing, poor eyesight, neurological diseases.

Design outcomes

Primary

Measure	Time frame
Cognitive abilities will be measured by subtests of an intelligence scale, some working memory tests and some language tests. Environmental factors will be measured by an online questionnaire, that includes questions on factors which are possible correlated with IQ, home-environment in youth, hobby*s and interests, but also work and education and work and education from parents, friends and spouses, personality factors and performance motivation. Dna will be collected using saliva, which requires subjects to spit in a small tube during 1-3 minutes, only from adults	—

Measure

Time frame

Cognitive abilities will be measured by subtests of an intelligence scale, some working memory tests and some language tests. Environmental factors will be measured by an online questionnaire, that includes questions on factors which are possible correlated with IQ, home-environment in youth, hobby*s and interests, but also work and education and work and education from parents, friends and spouses, personality factors and performance motivation. Dna will be collected using saliva, which requires subjects to spit in a small tube during 1-3 minutes, only from adults

—

Secondary

Measure	Time frame
none	—

Countries

Netherlands

Outcome results