The goal of this observational study is to investigate perinatal, cognitive and social-emotional correlates of neurodevelopmental disorders and educational difficulties in children and adolescents. The study group consist of minimal 500 childrens over 5 years of age who will be examined by qualified diagnosticians. Participants will be evaluated with tasks related to the studied variables: cognitive functioning, social-emotional functioning. Furthermore informations regarding social-emotional functioning of children, will be collected from parents and teachers. The main questions it aims to answer are: 1. Is there a relationship between perinatal factors and the risk of occurrence of neurodevelopmental disorders and/or learning difficulties? 2. Is there a specific pattern of cognitive functioning in children and adolescents with indicated neurodevelopmental disorders and/or learning difficulties? 3. Is there a specific pattern of social-emotional functioning in children and adolescents with indicated neurodevelopmental disorders and/or learning difficulties? 4. Do gender and age moderates specific patterns of cognitive and social-emotional functioning in the studied groups? Researchers will compare the following groups of children over 5 years old: 1. With perinatal risks factors 2. With neurodevelopmental disorders: 1. Developmental learning disorder 2. Disorder of intellectual development, mild 3. Attention deficit hyperactivity disorder 4. Autism spectrum disorder 3. With Learning difficulties 4. Control group