Podcast
Questions and Answers
What is a schema?
What is a schema?
- A method for organizing physical spaces
- A type of computer program
- A complex mathematical formula
- A connected knowledge set about the world, specific events, people, and actions (correct)
Schemas always improve memory recall and never hinder it.
Schemas always improve memory recall and never hinder it.
False (B)
What was the primary finding in Bartlett's 'War of the Ghosts' study?
What was the primary finding in Bartlett's 'War of the Ghosts' study?
Memory is constructive and influenced by cultural schemas.
Without a title or activated ________, a text can be difficult to interpret and remember.
Without a title or activated ________, a text can be difficult to interpret and remember.
Which of the following is NOT a characteristic of memory, according to the provided text?
Which of the following is NOT a characteristic of memory, according to the provided text?
It's better to do more at a time rather than less when completing a procedure.
It's better to do more at a time rather than less when completing a procedure.
In the 'washing clothes' example, what happens after the procedure is completed?
In the 'washing clothes' example, what happens after the procedure is completed?
Match the concept with its description
Match the concept with its description
What is the primary function of a schema?
What is the primary function of a schema?
Scripts describe aspects of the world, like buildings and objects.
Scripts describe aspects of the world, like buildings and objects.
What is the key challenge in interpreting the initial text without a title or activated schema?
What is the key challenge in interpreting the initial text without a title or activated schema?
Frames describe aspects of the world or objects and their ______.
Frames describe aspects of the world or objects and their ______.
What common type of everyday situation might a script represent?
What common type of everyday situation might a script represent?
Match the following concepts with their descriptions:
Match the following concepts with their descriptions:
Structured information and 'empty values' do not limit interpretation and memory.
Structured information and 'empty values' do not limit interpretation and memory.
What happens after completing a procedure with a set of items, according to the provided text?
What happens after completing a procedure with a set of items, according to the provided text?
Which of the following is a theory of semantic memory?
Which of the following is a theory of semantic memory?
The Deese-Roediger-McDermott (DRM) paradigm demonstrates that encoding context does not affect later memory recall.
The Deese-Roediger-McDermott (DRM) paradigm demonstrates that encoding context does not affect later memory recall.
According to the models of semantic networks, what is a key feature of the Collins & Loftus model?
According to the models of semantic networks, what is a key feature of the Collins & Loftus model?
The theory of forgetting that proposes memories fade over time is the ______ hypothesis.
The theory of forgetting that proposes memories fade over time is the ______ hypothesis.
What does the 'labeling effect', as studied by Carmichael (1932), demonstrate regarding encoding context?
What does the 'labeling effect', as studied by Carmichael (1932), demonstrate regarding encoding context?
Match the following types of interference with their correct description:
Match the following types of interference with their correct description:
Repetition-induced inhibition (RIF) refers to scenarios where people intentionally forget certain information.
Repetition-induced inhibition (RIF) refers to scenarios where people intentionally forget certain information.
According to the models of semantic networks, What does the concept of cognitive economy refer to in the Collins & Quillian model?
According to the models of semantic networks, What does the concept of cognitive economy refer to in the Collins & Quillian model?
Which of the following best describes the main idea of the provided text?
Which of the following best describes the main idea of the provided text?
The study suggests that traditional lossy compression algorithms result in the same types of distortions as seen in human memory experiments.
The study suggests that traditional lossy compression algorithms result in the same types of distortions as seen in human memory experiments.
What field can be used to formalise the constraints on memory?
What field can be used to formalise the constraints on memory?
The semantic compression framework can provide a unifying explanation of a wide variety of __________ phenomena.
The semantic compression framework can provide a unifying explanation of a wide variety of __________ phenomena.
Which of the following datasets were used in the study to demonstrate the effects of semantic compression?
Which of the following datasets were used in the study to demonstrate the effects of semantic compression?
The human memory performs exceptionally well in all everyday tasks.
The human memory performs exceptionally well in all everyday tasks.
Match the following concepts with their descriptions according to the text:
Match the following concepts with their descriptions according to the text:
Name one type of memory effect, besides the effects of domain expertise and delayed recall, that are accounted for by the described semantic compression model.
Name one type of memory effect, besides the effects of domain expertise and delayed recall, that are accounted for by the described semantic compression model.
Which of the following is an intentional forgetting paradigm?
Which of the following is an intentional forgetting paradigm?
In the Think/No-Think task, participants are instructed to either recall or actively suppress memories.
In the Think/No-Think task, participants are instructed to either recall or actively suppress memories.
What is the primary deficit seen in Anterograde amnesia?
What is the primary deficit seen in Anterograde amnesia?
In retrograde amnesia, there is typically a ______, with recent memories being more impaired than remote memories.
In retrograde amnesia, there is typically a ______, with recent memories being more impaired than remote memories.
Match each type of amnesia with its primary characteristic:
Match each type of amnesia with its primary characteristic:
According to the alternative memory taxonomy, which of these is a basic processing mode?
According to the alternative memory taxonomy, which of these is a basic processing mode?
K.C. was observed to have an intact retrograde memory for episodic events.
K.C. was observed to have an intact retrograde memory for episodic events.
What type of amnesia did patient H.M. have?
What type of amnesia did patient H.M. have?
In the Deese-Roediger-McDermott (DRM) paradigm example, which of the following items are considered critical elements?
In the Deese-Roediger-McDermott (DRM) paradigm example, which of the following items are considered critical elements?
In the chess expert study, reconstruction accuracy was higher for random chess board configurations compared to actual game configurations.
In the chess expert study, reconstruction accuracy was higher for random chess board configurations compared to actual game configurations.
What is the main difference between the 'learned' and 'novel' items in the DRM paradigm example?
What is the main difference between the 'learned' and 'novel' items in the DRM paradigm example?
The chess expert study suggests that expertise helps create a generative model to encode either game or random boards into a _______ representation.
The chess expert study suggests that expertise helps create a generative model to encode either game or random boards into a _______ representation.
In Figure 1, what do green frames indicate in the chess board reconstructions?
In Figure 1, what do green frames indicate in the chess board reconstructions?
The QuickDraw data set of eyeglasses represents clear and unambiguous images.
The QuickDraw data set of eyeglasses represents clear and unambiguous images.
According to the chess study, what type of domain knowledge is relevant for the memorization task?
According to the chess study, what type of domain knowledge is relevant for the memorization task?
Match the type of memory study with its focus:
Match the type of memory study with its focus:
Flashcards
Schema (in memory)
Schema (in memory)
A mental framework that organizes and facilitates our knowledge about the world, people, and events.
Familiarity Effect
Familiarity Effect
The tendency for familiar information to be more easily encoded, stored, and retrieved.
Typicality Effect
Typicality Effect
The tendency for typical examples of a category to be more easily recalled.
Constructive Memory
Constructive Memory
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War of the Ghosts Story
War of the Ghosts Story
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Context-Dependent Memory
Context-Dependent Memory
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The Importance of Context
The Importance of Context
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Retrieval (in memory)
Retrieval (in memory)
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Hierarchical Organization in Semantic Networks
Hierarchical Organization in Semantic Networks
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Semantic Network Models
Semantic Network Models
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Scripts
Scripts
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Schemas
Schemas
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Prototype Theory
Prototype Theory
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Deese-Roediger-McDermott (DRM) Paradigm
Deese-Roediger-McDermott (DRM) Paradigm
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Labeling Effect (Carmichael, 1932)
Labeling Effect (Carmichael, 1932)
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Trace Decay Hypothesis
Trace Decay Hypothesis
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Memory Distortions
Memory Distortions
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Lossy Compression in Memory
Lossy Compression in Memory
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Generative Model
Generative Model
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Semantic Compression
Semantic Compression
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Deep Generative Models
Deep Generative Models
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Domain Expertise
Domain Expertise
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Gist-Based Distortions
Gist-Based Distortions
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Contextual Effects
Contextual Effects
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Frame
Frame
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Effect of Knowledge on Memory
Effect of Knowledge on Memory
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Knowledge Representations: Organizing Memory
Knowledge Representations: Organizing Memory
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Interpretation/Labeling Effect
Interpretation/Labeling Effect
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Optimal Forgetting
Optimal Forgetting
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Directed Forgetting
Directed Forgetting
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Think/No-Think Task
Think/No-Think Task
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Retrieval Induced Forgetting (RIF)
Retrieval Induced Forgetting (RIF)
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Anterograde Amnesia
Anterograde Amnesia
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Retrograde Amnesia
Retrograde Amnesia
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Temporal Gradient in Retrograde Amnesia
Temporal Gradient in Retrograde Amnesia
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Alternative Memory Taxonomy
Alternative Memory Taxonomy
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H.M. (Amnesic Syndrome)
H.M. (Amnesic Syndrome)
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Study Notes
Knowledge, Memory, and Forgetting
- Semantic Memory Theories: Schemas (Bartlett), scripts (Schank), semantic networks, prototype/exemplar theory.
- Role of Knowledge in Memory: Deese-Roediger-McDermott (DRM) paradigm, encoding context effects (e.g., labeling effect), expert knowledge effects, rule learning.
- Healthy Forms of Forgetting: Trace decay hypothesis, interference theory (proactive & retroactive), consolidation disorders (classic & multiple trace theories), memory inhibition phenomena (intentional forgetting, retrieval-induced forgetting).
Knowledge Representation
- Mental Representations: Knowledge is stored and retrievable, and is used to organize or model complex situational knowledge.
- Mental Representations: Representations are often sketchy and general.
Models of Semantic Networks
- Collins & Quillian (1969): Hierarchical organization of knowledge, basic principle of cognitive economy.
- Collins & Loftus (1975): Spreading activation, semantic distance impacts activation.
Schema
- Sir Frederic Bartlett: Connected knowledge sets, organizational frameworks for knowledge that may also limit memory organization.
- War of the Ghosts Study: Demonstrates culture-specific memory effects (omissions, reformulations) showcasing memory as constructive.
What is it About?
- Procedure Overview (translated): Organise items into groups (single pile is possible). Retrieve important items. Avoid overdoing it. Smaller tasks are better. Complication can occur. Reorganise items in place, repeat steps if required.
The Big Washing of Clothes
- Procedure Overview (translated): Organise items into groups then retrieve important items. Avoid overdoing it. Smaller tasks are better. Complication can occur. Reorganise items in place, repeat steps if required.
Scripts and Frames
- Roger C. Schank: Scripts are schemas that describe sequences of events; frames describe aspects of the world or objects and their characteristics.
- **Models:**Structured information and "empty values" are inherent in these models, which guide and limit interpretation and memory based on the structured knowledge.
The Effect of Knowledge Representations on Our Memory
- Demonstration of DRM Paradigm: Deese-Roediger-McDermott (DRM) paradigm demonstration on memory.
Forgetting
- Philosophical Question: Does forgetting even exist?
- Accessibility vs. Availability: Retrieval is different from simply having stored information.
- Diary Studies: Successful retrieval alongside cues (what, where, with whom).
- Case Studies: Case studies of forgetting (e.g., case of S).
Forgetting Curve
- Ebbinghaus (1885/1913): A plot of forgetting over time, showing initial rapid loss followed by a slower decline.
What is Behind Forgetting?
- Trace Decay Hypothesis: Memory trace fades over time.
- Interference Theory: Similar memories compete during retrieval – proactive interference (old memories interfering), retroactive interference (new interfering).
- Consolidation Disorders: Problems in the process of storing memories in permanent storage.
- Memory Inhibition Phenomena: Active suppression of memories.
Decay of Memory Trace
- Example Research: Study using STM Brown-Peterson task demonstrating time's effect on memory trace.
Interference
- Proactive Interference: Earlier memories interfere with the retrieval of newer memories.
- Retroactive Interference: Newer memories disrupt the retrieval of older memories.
Forgetting Consolidation Deficit
- Standard Consolidation Model: Memory transfer from hippocampus to cortex.
- Multiple Trace Theory: Separate memories stored in different brain locations.
Forgetting as an Active, Effortful Process
- Bjork & Retrieval Inhibition: Irrelevant memory elements are actively suppressed, which limits access.
Inhibition Based Experimental Paradigms
- Intentional Forgetting: Directed forgetting (DF), think/no-think tasks (inhibition response).
- Retrieval Induced Forgetting (RIF): Retrieval practice leads to forgetting other related information.
Directed Forgetting
- Bjork et al. (1968, 1970, 1996): "Remember" vs. "Forget" instructions on memory lists.
Think/No-Think Task
- Sullivan et al. (2019): "Think" tasks vs. "No-Think" tasks where you're trained to not think certain things.
Retrieval Induced Forgetting
- Retrieval Practice Paradigm: Studying retrieval practice using category-exemplar pairs to explore retrieval induced forgetting.
Amnesia
- Retrograde Amnesia: Deficit in memories acquired before the injury.
- Anterograde Amnesia: Deficit in storing new memories.
- Temporal Gradient: Retrograde amnesia often exhibits a strong temporal gradient, with more recent memories more susceptible to loss.
Amnesias
- Taxonomy of Amnesias: Different types of amnesia (organic, psychogenic, transient, permanent, etc.).
H.M. and K.C.
- H.M. Amnesic syndrome, anterograde amnesia with temporal gradient retrograde.
- K.C. Anterograde amnesia with extensive retrograde amnesia for episodic memories while semantic memory was retained.
Alternative Memory Taxonomy
- Processing Modes: Rapid vs. Slow encoding, associative vs. single-item encoding, flexible (compositional) vs rigid (unitized).
- Brain Areas: Hippocampus, neocortex, basal ganglia, cerebellum.
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