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Cognition Module 33 - Forgetting Reasons people forget… • BRAD • B – Brain disease • R – Repression • A – Amnesia • D - Decay Herman Ebbinghaus • Memory researcher • Forgetting curve • Course of forgetting is initially rapid, then levels off with time • Speed at which info is forgotten is related to how effectively the info was encoded • Spaced practice- break up learning over several days – more effective Amnesia • Infantile amnesia • Can not remember the early childhood years before 3 • Hippocampus not mature enough Amnesia • Retrograde • Inability to remember past events • Anterograde • Inability to form new memories • HM – case study • video Interference • Forgetting occurs because two memories are in conflict • Brain can’t find the memory Interference • Proactive Interference • Previously learned information blocks the recall of new memories • Retroactive Interference • Happens when recently learned information blocks the recall of old memories