Applicable to professionals and researchers in the forensic document examination community and the legal community, this book provides a comprehensive review of important neuroscientific principles underlying normal and pathologic hand motor control and handwriting. The empirical data provides a strong basis for strengthening the foundations of forensic document examination. The book includes current results from the author’s laboratories on the effects of disease and medication on handwriting, a presently growing problem due to the aging population. The text covers the physiologic processes underlying handwriting and signature production and includes research on motor control, kinematics, and robotics.