This document discusses the four types of academic writing: descriptive, analytical, persuasive, and critical. It also explores the different types of amnesia, including retrograde, anterograde, transient global, and infantile amnesia. The document provides information on the causes, symptoms, and treatments of amnesia, including dementia, trauma, alcohol use, head injuries, and damage to the hippocampus. It also discusses the various therapies and treatments available for amnesia.