The U.S. FDA recently approved a new blood test to diagnose Alzheimer’s disease. The test, called Lumipulse, measures two proteins in plasma: pTau217 and ß-Amyloid 1-42. These proteins clump together ...

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...

Optical illusion personality tests are psychology-based images that can help one discover their hidden traits and talents.

Such variability can obscure consistent patterns, complicating group-level inference. To address this, Parametric Empirical Bayes (PEB) provides a statistically rigorous approach that enables ...