Memory.


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She hurried to get her piggy bank and began to shake it. At long last some cash turned out. ... How huge was the piggy bank? Where was the piggy bank found? Scripts ...
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Memory Semantic Memory

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Outline Models of Semantic Memory Hierarchical Network Model Spreading Activation Network Model Schemas & Scripts

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Semantic Memory: Hierarchical Model Collins & Quillian Semantic Memory is sorted out as a system of Units (things): shark, robin Properties (verbs or adjs): is yellow Pointers: determine relations between units

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Living Thing Breathes Animal Plant Feathers Bird Mammal Ostrich Barks Dog Bat Canary Yellow

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Hierarchical Network Model Using semantic memory = looking through system for pertinent data. Presumptions: Cognitive Economy Searching the system requires some serious energy More separation => additional time Advantages? Detriments?

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Hierarchical Network Models: Evidence Reaction Time Sentence confirmation errand A canary is yellow. A canary relaxes.

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Living Thing Breathes Animal Plant Feathers Bird Mammal Ostrich Barks Dog Bat Canary Yellow

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Hierarchical Network Models: Evidence Problems Typicality impacts An ostrich is a flying creature. A canary is a winged animal.

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Living Thing Breathes Animal Plant Feathers Bird Mammal Ostrich Barks Dog Bat Canary Yellow

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Hierarchical Network Models:Problems False sentences A bat is a plant. A bat is a feathered creature.

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Living Thing Breathes Animal Plant Feathers Bird Mammal Ostrich Barks Dog Bat Canary Yellow

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Spreading Activation Networks Collins & Loftus Also includes hubs and connections. Joins need not be progressive. Enactment spreads between hubs . Further = weaker Activation speeds preparing Allows for more adaptable representations.

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Spreading Activation Networks: Evidence Meyer & Schvaneveldt Priming Change in preparation to perform an assignment coming about because of earlier data about the undertaking. Assistance (positive preparing) Inhibition (negative preparing) Lexical Decision Task Stimulus is introduced. Undertaking is to choose whether it\'s a word. Inspired by time that choice takes.

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Lexical Decision Task NURSE

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Lexical Decision Task PLAME

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Lexical Decision Task NURSE <======RT=======> "Yes" PLAME <================> "No"

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Lexical Decision Task: Results

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Lexical Decision Task: Results

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Problems with Spreading Activation?

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Schemas Large unit of representation that composes relations among ideas, circumstances, occasions, and/or activities in memory. Jane heard the jingling of the dessert truck. She rushed to get her piggy bank and began to shake it. At last some cash turned out.

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Schemas How old is Jane Why did she get the cash? Did she flip around her piggy bank? Did charges turn out? How huge was the piggy bank? Where was the piggy bank found?

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Scripts Script: "A learning structure containing the grouping of occasions that more often than not happens in a specific basic circumstance." Going to the Dentist Going to a Restaurant Taking an Exam

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Schemas & Scripts: Implications Integration : Info from particular occasions consolidated with general information Experience shapes Scripts guide review Advantages & Disadvantages Implications for Episodic-Semantic refinement?

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