Theory of Mind in Preschool Children, School Children, Youths and Adults Born Preterm or Full-term

Study Overview
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Brief Summary
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This study tests preschoolers, school children, youths and young adults, who were born preterm or full-term, in their theory of mind abilities.

Detailed Description
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Is there any difference in the development of theory of mind between preterms and full-terms? Is there a risk group of preterms to develop a deficit in theroy of mind? Four groups are tested: prescoolers (again two years later), youths and young adults. All participants were tested for theory of mind, executive functions, language and cognitive abilites.

Official Title
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Theory of Mind Bei Ehemals früh- Und Reifgeborenen Vorschulkindern, Schulkindern, Jugendlichen Und Erwachsenen

Conditions
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Premature Birth

Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: informed consent preterm: birthweight <1500g full-term: born after 38 weeks Exclusion Criteria: no informed consent

Ages Eligible for Study
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Minimum Age: 4 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| preschool children preterm<br>born 2010 or 2011 Birthweight <1500g | |
| preschool children full-term<br>born 2010 or 2011 born after 38 weeks | |
| school children preterm<br>same children from the preschool group will be tested 2 years later again | |
| school children full-term<br>same children from the preschool group will be tested 2 years later again | |
| youths preterm<br>born 2001 or 2002 Birthweight <1500g | |
| youths full-term<br>born 2001 or 2002 born after 38 weeks | |
| adults preterm<br>Birthweight <1500g | |
| adults full-term<br>born after 38 weeks | |

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| theory of mind 1 | Theory of Mind Scale (Group 1 and 2) | up to 7 months | 
| executive function 1 | Teddy-bear-Set-Shifting Task (all groups) | up to 7 months | 
| executive function 2 | Tower of London (all groups) | up to 7 months | 
| Language 1 | SETK 3-5 - Language Understanding Task (Group 1) there will be only one score for each participant, but there is a different task for the first group, than for the others | up to 7 months | 
| cognitive abilities 1 | SON 2 1/2 - 7 - Two subtests: Analogies and Categories (group 1) there will be two test-scores for each participant, but they can be aggregated to one score for cognitive abilities | up to 7 months | 
| theory of mind 2 | Mental State Stories (Group 2, 3 and 4) | up to 7 months | 
| theory of mind 3 | Faux Pas Stories (Group 2, 3, and 4) | up to 7 months | 
| theory of mind 4 | Reading the mind in the Eyes Test Revised (Group 4) | up to 7 months | 
| theory of mind 5 | Cambridge Mindreading Face-Voice Battery (only visual Items) (Group 4) | up to 7 months | 
| Language 2 | CFT 20 R - Vocabulary Task (group 2,3,4) | up to 7 months | 
| cognitive abilities 2 | SON 6-40 - Two subtests: Analogies and Categories (group 2,3,4) there will be two test-scores for each participant, but they can be aggregated to one score for cognitive abilities | up to 7 months | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Theory of Mind, Very Low Birthweight Infants