11. Complex forms of seipinopathies may include deafness, dementia or mental retardation.12. A tendency in matter to evolve into ever more complex forms . 13. His work rejected older, complex forms , favouring simplicity and fresh rhythms. 14. Courtship in the Philippines is one known complex form of courtship. 15. He excelled in the shorter, more complex forms of Chinese poetry. 16. He explains this revision by distinguishing between simple and complex Forms . 17. More complex forms of photometric measurement are used frequently within the lighting industry. 18. These developments ultimately allow for a more complex form of play. 19. However, in most practical applications the kernel takes on a significantly more complex form . 20. MacDonald uses digital fabrication processes to produce sculptural and geometrically complex forms and environments.