Autistic regression refers to a loss of previously acquired skills or a backtracking of developmental milestones. In young children, it may represent autism onset. In older children and adults, it may ...

Age regression therapy involves acting younger than you are, whether that is only a few years younger than your current age or returning to a child-like or infant-like state. Age regression therapy ...

Joint mean-covariance regression modeling with unconstrained parametrization for continuous longitudinal data has provided statisticians and practitioners with a powerful analytical device. How to ...