LMX1A and Gomez-Lopez-Hernandez syndrome: Complete or partial absence of the vermis is a common defect in human diseases, such as tectocerebellar dysgraphia [40], Joubert anomaly (known as vermian aplasia) [41] and Gomez–Lopez-Hernandez syndrome (GLHS) [42], [43], and in several animal models, such as the cerebellar vermis defect (CVD) rat [44] and the Lmx1a mutant [17].