Abstract
BackgroundThere are still a lot of unknown aspects about the childhood development of sociability which are based on neuroscientific basis. Purpose of the Japan Children’s Study (JCS) was to verify the normal process of child development of sociability; the trajectory and factors related development of sociability, and to collect findings and integrate the knowledge to make the plan of long-term and large scale cohort study.MethodsA child cohort study underway in Japan since 2005. There are the cohort study including a infant cohort study at age of 4 months to 30 months and a preschool cohort study at age of 5 years old to 8 years old. Questionnaires, direct observation of children and cognitive testing were performed.ResultsIn infant cohort study, 465 infants were recruited at 4 months and 367 children were followed up to 30 months, follow up rate was 78.9% and in the preschool cohort study, total 192 children (112 at 2005 and 80 at 2007) at age of 5 years old and 169 followed up to 6 years (follow up rate was 88.0%), and 79 children were followed up to 8 years old (follow up rate was 70.5%) old. Several new measurements to evaluate child sociability were developed. Some factors related to development of child sociability were found for example the ‘praise’ was related to child sociability in cohort study based on neuroscience findings.ConclusionsThough the trajectory of child sociability development were not clarified, some significant factors related to development of sociability, and the basic findings to conduct a long-term and large scale cohort study were provided.
Highlights
Children have been difficult to acquire their sociability and the children with behavioral symptom of a lack of sociability, such as a lack of self-control, absenteeism, developmental disorder, delinquency, withdrawal, concerns about childcare, and child abuse have been difficult to live in our society.[1,2,3] This situation has been a social problem
There are still a lot of unknown aspects about the childhood development of sociability which are based on neuroscientific basis
465 infants were recruited at 4 months and 367 children were followed up to 30 months, follow up rate was 78.9% and in the preschool cohort study, total 192 children (112 at 2005 and 80 at 2007) at age of 5 years old and 169 followed up to 6 years, and 79 children were followed up to 8 years old old
Summary
Children have been difficult to acquire their sociability and the children with behavioral symptom of a lack of sociability, such as a lack of self-control, absenteeism, developmental disorder, delinquency, withdrawal, concerns about childcare, and child abuse have been difficult to live in our society.[1,2,3] This situation has been a social problem. Sociability is the ability to build human relationships and generally this ability is known as “the ability to get along with others.”. Purpose of the Japan Children’s Study (JCS) was to verify the normal process of child development of sociability; the trajectory and factors related development of sociability, and to collect findings and integrate the knowledge to make the plan of long-term and large scale cohort study. Some factors related to development of child sociability were found for example the ‘praise’ was related to child sociability in cohort study based on neuroscience findings. Conclusions: Though the trajectory of child sociability development were not clarified, some significant factors related to development of sociability, and the basic findings to conduct a long-term and large scale cohort study were provided
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