Semantic Networks and Spreading Networks – Memory (PSY)

by Tarry Ahuja, MD

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    So let’s take a look at another really interesting thing which is networks and what they play in terms of memory recall and memory storage. So information stored in a long-term memory is done in an organized network and this is really cool. And what we’re saying is that things aren’t just arbitrarily thrown in your brain, in long-term memory, and the analogy I like to use is a computer again or you can go to a library, is that books are stored long-term in areas that are quite organized and that makes sense. So there’s a network, right? So you have sort of all the periodicals in a certain spot and you have all the reference books and the maps analysis and it’s organized and so that there’s some consistency, but they’re all linked, right? So you can have different types of maps, you can have atlases. They’re all in that area of maps, but there’s a network. If you think of a computer, you’re going to have things organized in certain folders and subfolders and subfolders of the subfolders, and that organization allows you to improve and understand your access. So, individual ideas or hubs are called nodes. And so as you can see from this diagram, we have the first node, which is animal. Okay? So you also have a bird and so, how are those two connected? Well, a bird is an animal. And then you have another term or a thing that you can have in your memory, which is plumage or a canary and Tweety, and you could see how they’re all linked. So Tweety is an instance of a canary, and the canary is a type of bird, and a bird has plumage or feathers, and then you might have another one that...

    About the Lecture

    The lecture Semantic Networks and Spreading Networks – Memory (PSY) by Tarry Ahuja, MD is from the course Making Sense of the Environment.

    Included Quiz Questions

    1. It describes how concepts can relate to one another.
    2. It is a mental framework to organize information and behavior.
    3. It enables us to remember older information better than newer information.
    4. It is not influenced by context dependent memory.
    5. It does not activate other nodes based on summation of inputs.
    1. They are unaffected by frequency of activation.
    2. They are organized into a semantic network
    3. They have a response threshold.
    4. They can subsequently activate other nodes.
    5. They are connected by links.
    1. Retroactive interference
    2. Priming
    3. Contextual cues
    4. Associations
    5. Nodes

    Author of lecture Semantic Networks and Spreading Networks – Memory (PSY)

     Tarry Ahuja, MD

    Tarry Ahuja, MD

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