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Memory for General Knowledge

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Presentation on theme: "Memory for General Knowledge"— Presentation transcript:

1 Memory for General Knowledge http://www.salon.com/health/feature/1999/09/16/memory/cov_memory.gif

2 Types of Long-Term Memory

3 Implicit Memory http://www.scielo.br/img/fbpe/anp/v56n3a/1794f1.gif

4 Implicit Memory Procedural

5 Implicit Memory Priming  Semantic  Repetition  Propaganda effect

6 Semantic vs. Episodic Memory Episodic Memory:  Memories for specific events that you yourself were involved in  Can be placed in a certain time or location Semantic Memory:  General knowledge base http://abjectchaos.com/wp-content/uploads/2008/05/broken-arm.gif

7 Reconstructive Nature of Memory

8 Flashbulb Memories http://farm2.static.flickr.com/1134/1214806756_37b724f8c4_o.jpg

9 Reconstructive Nature of Memory Eyewitness Memory Loftus experiment 1: Loftus experiment 2:

10 Reconstructive Nature of Memory The Recovered/False Memory Debate

11 Memory for General Knowledge Semantic Memory Definitions of words Verb tenses Arithmetic facts Historical facts Scientific facts Geography facts

12 Evidence for Semantic vs. Episodic Memory Type of information Temporal aspect Severity of context effects Amnesia patients

13 Double Dissociations Two broken TVsFunction 1: SoundFunction 2: Picture TV “A”OKNot working TV “B”Not workingOK MemoryFunction 1: SemanticFunction 2: Episodic GeneOKNot working Italian womanNot workingOK

14 The Semantic Memory Models Hierarchical Semantic Network Model  Cognitive economy Mammal Breathes air Dog Bernese Mountain Dog Live young Black, white, rust fur Four paws Exuberant Tail

15 The Semantic Memory Models Depiction of spreading activation. Once the node for “bread” is excited, the activation travels to related nodes. Expansion of Hierarchical Model

16 The Semantic Memory Models Hierarchical Semantic Network Model  Problems with model Hierarchy? Mammal Animal Pig “A pig is a mammal.” “A pig is an animal.”

17 The Semantic Memory Models Hierarchical Semantic Network Model  Problems with model Typicality effect Bird Robin Turkey “A turkey is a bird.” “A robin is a bird.”

18 The Semantic Memory Models Feature Comparison Model  Features Defining Characteristic

19 The Semantic Memory Models Connectionists Model Individual Neurons http://www.aboutfilm.com/features/pearce/pearce-memento.jpghttp://bittenandbound.com/wp-content/uploads/2007/11/brad_pitt.jpg

20 Schemata Scripts


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