Sökning: "Twin study"
Visar resultat 1 - 5 av 237 avhandlingar innehållade orden Twin study.
1. Latent variable models for longitudinal twin data
Sammanfattning : Longitudinal twin data provide important information for exploring sources of variation in human traits. In statistical models for twin data, unobserved genetic and environmental factors influencing the trait are represented by latent variables. In this way, trait variation can be decomposed into genetic and environmental components. LÄS MER
2. Signs of Acquiring Bimodal Bilingualism Differently : A Longitudinal Case Study of Mediating a Deaf and a Hearing Twin in a Deaf Family
Sammanfattning : This dissertation based on a case study explores the acquisition and the guidance of Swedish Sign Language and spoken Swedish over a span of seven years. Interactions between a pair of fraternal twins, one deaf and one hearing, and their Deaf[1] family were video-observed within the home setting. LÄS MER
3. Efficient Reconfigurable Multipliers Based on the Twin-Precision Technique
Sammanfattning : During the last decade of integrated electronic design ever more functionality has been integrated onto the same chip, paving the way for having a whole system on a single chip. The strive for ever more functionality increases the demands on circuit designers that have to provide the foundation for all this functionality. LÄS MER
4. Restrictive eating disorders: aetiological, epidemiological and neurodevelopmental aspects
Sammanfattning : Restrictive Eating Disorders (EDs), including Avoidant/Restrictive Food Intake Disorder (ARFID) and Anorexia Nervosa (AN), are characterised by severely restricted food intake, commonly leading to substantial weight loss and significantly low weight, and the need for nutritional supplementation. The overarching aim of this thesis was to elucidate specific aetiological, epidemiological, and neurodevelopmental aspects of ARFID and AN, including the genetic aetiology of AN, the link between AN and autism spectrum disorder (ASD), the prevalence of ARFID, and the comorbidity of ARFID with neurodevelopmental disorders (NDDs). LÄS MER
5. lnternalizing problems in childhood and adolescence: predictive, etiological, and neurodevelopmental aspects
Sammanfattning : Internalizing disorders such as anxiety and depressive disorders are common mental disorders in childhood and adolescence. They are characterized by disordered emotions and moods, causing emotional distress and impairment. LÄS MER