Explore the causes of hydrocephalus and brain processes in this comprehensive 22-minute medical lecture. Delve into the meaning of hydrocephalus, reasons for excessive cerebrospinal fluid (CSF) in the cranial cavity, and increased CSF production. Examine abnormal circulation, blockage of the cerebral aqueduct, tumors of the cerebellum, and tuberculous meningitis. Learn about the drainage of the superior sagittal sinus and sinus thrombosis. Gain valuable insights into neuroanatomy and neurophysiology as Dr. Najeeb explains these complex topics in an accessible manner, providing a thorough understanding of hydrocephalus and its various causes.