Epistemology. Epistemology is the study of knowledge. Epistemologists concern themselves with a number of tasks, which we might sort into two categories. post·haste (pōst′hāst′) adv. With great speed; rapidly. n. Archaic Great speed; rapidity. [From the phrase haste, post, haste, a direction on letters. What is dissociation? What is depersonalization? What is derealization? What is dissociative amnesia? What are identity confusion and identity alteration? A new study offers a clearer picture of how genetics and the environment influence cancer risk in families. Amnesia, in ordinary terms, means profound memory loss. It can be caused by a physical injury inflicted on the brain, by brain damage caused by a traumatic or an. Past examples of occasionally inappropriate therapist influence should not blind us to the healing potential of valid therapy in real cases of dissociative amnesia. When people lose their ability to memorize data they have amnesia. Amnesia also refers to an inability to recall information that is stored in memory. In simple terms. Definition: In Freud's psychoanalytic theory of personality, the unconscious mind is a reservoir of feelings, thoughts, urges, and memories that outside of. Retrograde amnesia; Classification and external resources; ICD-10: R41.2: ICD-9-CM: 780.9 Definition. Psychogenic amnesia is defined by the presence of retrograde amnesia (the inability to retrieve stored memories leading up to the onset of amnesia), and.