Twin studies are studies conducted on identical or fraternal twins. They aim to reveal the importance of environmental and genetic influences for traits...

Twins are two offspring produced by the same pregnancy. Twins can be either monozygotic ('identical'), meaning that they develop from one zygote, which...

Bipolar Twin Study is an ongoing twin study of bipolar disorder running at the Institute of Psychiatry, King's College London since 2003. The study is investigating...

The Twins Early Development Study (TEDS) is an ongoing longitudinal twin study based at King's College London. The main goal of TEDS is to use behavioural...

Louisville Twin Study is a longitudinal twin study which was started in 1957 at the University of Louisville by Frank Falkner. It started with 885 twins that...

injured, and to advance Nazi racial ideology and eugenics, including the twin experiments of Josef Mengele. Aribert Heim conducted similar medical experiments...

Minnesota Center for Twin and Family Research (MCTFR) is a series of behavioral genetic longitudinal studies of families with twin or adoptive offspring...

contribute to the development of autism. Numerous studies, including twin studies and family studies, have estimated the heritability of autism to be around...

inheritance of behaviour and mental illness in humans (typically using twin and family studies), as well as research on genetically informative model organisms...

nurture" twin study. They were adopted by separate families in the New York area who were unaware that each girl had a twin sister. Soon after the twins reunited...

comparisons with notorious twin experiments by the same Nazi regime that Neubauer had escaped. Some of the subjects of Neubauer's twin study have sought records...

Wellbeing and Sleep Problems: A Bivariate Twin Study". Twin Research and Human Genetics. 8 (5): 440–449. doi:10.1375/twin.8.5.440. PMID 16212833. S2CID 8833259...

epidemiology, the study of genetic factors in health and disease, in 1992. Spector is professor of genetic epidemiology and director of the TwinsUK registry...

particularly in selective breeding and behavior genetics (for instance, twin studies). It is the source of much confusion because its technical definition...

Twin-to-twin transfusion syndrome (TTTS), also known as feto-fetal transfusion syndrome (FFTS), twin oligohydramnios-polyhydramnios sequence (TOPS) and...

of twins can improve the statistical power of a genetic study by reducing the amount of genetic and/or environmental variability. "Identical twins" (monozygotic...

sociability.[medical citation needed] Twin studies have aided in breaking down the genetic vs. environment debate. A twin study conducted by the Department of...

source of abnormal cells. In one study, Boklage reported of 325 twin pregnancies, finding that only 61 ended as twins, with 125 ending as singletons; the...

Adoption/Twin Study of Aging (SATSA) was initiated in gerontological genetics. The research was executed on Twins Reared Apart (TRA) and Twins Reared Together...

asked by the siblings if perhaps they and the other sets of twins involved in the study were chosen because their parents had reported signs of mental...

of the mission, the NASA Twins Study was conducted. Astronaut Scott Kelly was selected for the mission with his identical twin, Mark Kelly, who stayed...

Pediatrics at the University of Louisville and director of the Louisville Twin Study, as well as president of the Behavior Genetics Association. He joined...

Maudsley–Bethlem register of twin admissions for 16 years. Later he worked on psychiatric genetics and genomics. In his Twin Cities MMPI study, part of his Ph.D...

on behavior. These studies are one of the classic research methods of behavioral genetics. The method is used alongside twin studies to identify the roles...

"Prevalence and heritability of skin picking in an adult community sample: A twin study". American Journal of Medical Genetics Part B: Neuropsychiatric Genetics...

a link between DPD and a family history of anxiety disorders. A 2004 twin study reported a heritability estimate of 0.81 for personality disorders collectively...

intelligence. Early twin studies of adult individuals have found a heritability of IQ between 57% and 73%, with some recent studies showing heritability...

the notorious Nazi twin study by the same Nazi regime that Neubauer himself had escaped, while others have opined that the study was ethically defensible...

twin study ordered by the king to study the health effects of coffee. The authenticity of the event has been questioned. The primitive medical study,...

Scottish psychiatric geneticist and twin researcher. In the 1960s, he worked with Irving Gottesman on a twin study of schizophrenia at the Medical Research...