12/28/2023 0 Comments Famous amnesia moviesNo amount of semantic knowledge is going to convince you otherwise. I show you I know how to ride a bike by actually riding a bike. Nondeclarative memories are things you show you learned by actually doing: Procedural memories. Both semantic and episodic memories are considered to be declarative. What’s the capital of Rhode Island? What’s two plus two? Those sorts of things are considered semantic. There’s also semantic memory, which means general knowledge about the world. You can have anterograde episodic memory impairments too, if you can’t make new autobiographical memories. In this specific case, since those things happened before the injury, you have retrograde episodic memory loss. Say you lose all memories for specific events, or episodes, in your life you can’t remember going to school, learning to play basketball, your first kiss, your first job, all that autobiographical knowledge. Declarative memories are those you show you learned by telling people. There are two main divisions declarative memory and nondeclarative memory. The type of memory that has been lost can also be differentiated. If, on the other hand, you find it difficult to form new memories (you keep forgetting where you left your car whereas it was never a problem before the injury), this is called anterograde amnesia. If you forget things that happened to you before the injury (for example, you forget about your first day in kindergarten), this is called retrograde amnesia, retrograde meaning the memory came before the injury. Let’s say that you, dear reader, unfortunately had a nasty fall down the stairs and hit your head. First off, we can categorize the types of amnesia by their temporal effects. In the real world, even the types of amnesia are not as simple as the Hollywood portrayal suggests. Irrespective of the damage done by the head injury, you can count on the person never, ever losing their ability to organize their lives and plan for the future. In most storylines, the person will end up with fully restored memories, only to find that they are a completely different person than they were before the triggering event, and that they like their new selves better. Occasionally a skill or memory may come to them in a disjointed flash. They don’t remember what they did for a living. However, the amnesiac can’t recall any details whatsoever of their childhood. The character retains all the necessary skills to survive: they don’t forget how to talk, eat, get dressed, do math, use an ATM, drive a car, etc. Critical details about the character’s entire life are forgotten, but total recall usually occurs at a crucial moment for maximal dramatic tension. A character endures some sort of emotionally traumatizing situation or blow to the head. When we think of “amnesia,” we think of the classic soap opera example. People of Colo(u)r Destroy Science Fiction!.
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