Reading Models and Processes
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Questions and Answers

What kind of models suggest that reading aloud involves a network of interconnected processing units?

  • Parallel-Distributed-Processing (PDP) models (correct)
  • Lexical models
  • Dual-Route models
  • Non-lexical models
  • What is another name for Parallel-Distributed-Processing models?

  • Connectionist models (correct)
  • Dual-route models
  • Lexical models
  • Non-lexical models
  • According to PDP models, how is information represented?

  • In explicit rules
  • By patterns of activation across many interconnected processing units (correct)
  • In lookup tables
  • In a single, localized representation
  • What is a key feature of PDP models regarding learning?

    <p>They learn through experience and repeated exposure. (A)</p> Signup and view all the answers

    Which of the following is a characteristic of PDP models?

    <p>Distributed representation (A)</p> Signup and view all the answers

    Which aspect of PDP models aligns with our understanding of brain function?

    <p>Distributed processing (D)</p> Signup and view all the answers

    According to Coltheart (2005), which model was considered superior for simulating patterns of acquired and developmental dyslexia?

    <p>DRC model (C)</p> Signup and view all the answers

    Why are irregular words read slower than regular words, according to the DRC model?

    <p>Because of conflict at the phoneme level between the two routes (A)</p> Signup and view all the answers

    How does the DRC model explain the frequency effect?

    <p>High-frequency words are accessed faster in the mental lexicon (D)</p> Signup and view all the answers

    What did the Forster & Chambers (1973) study conclude about naming time?

    <p>It is closely related to lexical decision time. (B)</p> Signup and view all the answers

    What does the Forster & Chambers (1973) study suggest about the pronunciation of a word?

    <p>It can be determined more rapidly by a dictionary look-up (B)</p> Signup and view all the answers

    What does the Forster & Chambers (1973) study challenge?

    <p>The phonemic recoding hypothesis (C)</p> Signup and view all the answers

    According to the DRC model, what causes phonological dyslexia?

    <p>Damage in the non-lexical route (B)</p> Signup and view all the answers

    According to the triangle models, what causes phonological dyslexia?

    <p>Damage to orthography-to-phonology connections (D)</p> Signup and view all the answers

    According to the DRC model, what causes surface dyslexia?

    <p>Damage in the lexical route (B)</p> Signup and view all the answers

    According to triangle models, what causes surface dyslexia?

    <p>Orthography-to-phonology connections becoming overly specialized for pronouncing consistent words (B)</p> Signup and view all the answers

    What is reading defined as?

    <p>Transforming print to speech and/or print to meaning (B)</p> Signup and view all the answers

    What is a goal of the science of reading?

    <p>To uncover the components of the information-processing system of reading (B)</p> Signup and view all the answers

    What is the idea behind computational models of reading?

    <p>To simulate how humans read single words through computer programs (D)</p> Signup and view all the answers

    What is acquired dyslexia (alexia)?

    <p>The partial or complete loss of the ability to read subsequent to a brain lesion (D)</p> Signup and view all the answers

    What is developmental dyslexia?

    <p>A lasting impairment in the acquisition of the ability to read (D)</p> Signup and view all the answers

    What is the other procedure that accomplishes the transformation from print to speech, according to the broad theoretical consensus?

    <p>At a glance for common words (B)</p> Signup and view all the answers

    Flashcards

    PDP models

    Models that suggest reading involves interconnected processing units.

    Another name for PDP models

    PDP models are also known as Connectionist models.

    Information representation in PDP

    Information is represented by patterns of activation across many interconnected processing units.

    Learning in PDP models

    PDP models learn through experience and repeated exposure.

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    Characteristic of PDP models

    A key feature is distributed representation.

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    Brain function and PDP models

    PDP models align with brain function through distributed processing.

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    Superior model for dyslexia

    The DRC model is considered superior for simulating dyslexia patterns.

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    Reading irregular words

    Irregular words are read slower due to conflict at the phoneme level between the two routes.

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    Frequency effect in DRC model

    High-frequency words are accessed faster in the mental lexicon.

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    Forster & Chambers study conclusion

    Naming time is closely related to lexical decision time.

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    Pronunciation speed from Forster & Chambers

    Pronunciation can be determined more rapidly by a dictionary look-up.

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    Challenge to phonemic recoding

    Forster & Chambers study challenges the phonemic recoding hypothesis.

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    Causes of phonological dyslexia (DRC)

    Phonological dyslexia is caused by damage in the non-lexical route.

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    Causes of phonological dyslexia (Triangle models)

    Caused by damage to orthography-to-phonology connections.

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    Cause of surface dyslexia (DRC)

    Surface dyslexia arises from damage in the lexical route.

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    Cause of surface dyslexia (Triangle models)

    Surface dyslexia is caused by overly specialized connections for consistent words.

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    Definition of reading

    Reading is transforming print to speech and/or print to meaning.

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    Science of reading goal

    A goal is to uncover the components of the information-processing system of reading.

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    Computational models of reading

    They simulate how humans read single words through computer programs.

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    What is developmental dyslexia?

    Developmental dyslexia is a reading difficulty present from early learning stages.

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    Transformation from print to speech

    The process includes the non-lexical route relating orthography to phonology.

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    Components of the non-lexical route

    The non-lexical route uses spelling-sound relationships to derive pronunciation.

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    Non-lexical route characteristics

    It works with regular words and patterns.

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    Reliance of the non-lexical route

    It does not rely on memory retrieval of words.

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    Errors in the non-lexical route

    It can lead to errors due to irregularities in pronunciation.

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    Novel words in non-lexical route

    The non-lexical route allows for pronunciation of novel words based on rules.

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    Accessing mental lexicon

    The lexical route uses known words to access the mental lexicon.

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    Types of words in lexical route

    Works for familiar words that are already stored in memory.

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    Limitation of lexical route

    It does not work for novel or unknown words since they are not stored.

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    Feedback influence in connections

    Excitatory connections amplify signals while inhibitory connections dampen them.

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    Feedback in reading routes

    There's no feedback influence in the non-lexical route beyond letter units.

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    Race condition in reading routes

    Two routes do not race against each other when reading.

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    Impact of time pressure on reading

    Under time pressure, readers may default to faster but less accurate routes.

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    Transparent vs opaque languages

    Transparent languages have consistent spelling-sound relationships; opaque languages do not.

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    Key effects in reading models

    Both DRC models and human readers show effects of word familiarity.

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    Reading frequency and speed

    High-frequency words are read faster than low-frequency words due to familiarity.

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    Regular vs irregular words reading

    Regular words are read faster than irregular words, especially low-frequency ones due to consistent patterns.

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    Orthographic neighborhood effect

    Non-words with larger orthographic neighborhoods are read faster due to similarity.

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    Sounding like words

    Non-words that resemble real words are read faster.

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    Length of non-words and reading speed

    Longer non-words take longer to read; real words are less affected by length.

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    Correct reading of irregular words

    Irregular words are read correctly through direct retrieval from memory.

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    Reading nonwords

    Nonwords are understood as phonological attempts despite lack of meaning.

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    Study Notes

    Reading Models and Processes

    • Parallel-Distributed-Processing (PDP) Models: Suggest that reading involves a network of interconnected processing units. Another name for these models is connectionist models.
    • PDP information representation: Information is represented by patterns of activation across many interconnected processing units, not explicit rules or lookup tables.
    • PDP learning: PDP models learn through experience and repeated exposure, not explicit rules.
    • Distributed representation: A characteristic of PDP models, where information is not localized but spread across a network.

    Reading and Brain Function

    • Distributed processing: An aspect of PDP models that aligns with the understanding of brain function.
    • Lexical route: Used for regular and irregular words, using visual word recognition and knowledge of associations between printed words and spoken words.
    • Non-lexical route: Used for novel words and unfamiliar items, utilizing grapheme-phoneme correspondences.

    Types of Dyslexia

    • Phonological dyslexia: Caused by damage to the non-lexical route in the DRC model, or damage to orthography-to-phonology connections in triangle models.
    • Surface dyslexia: Caused by damage to the lexical route, in accordance with the DRC model.
    • Orthography-to-phonology connections: The processes that associate written words with pronunciation either via the non-lexical route (applying grapheme-phoneme rules) or the lexical route.

    Reading Models: Processing Units and Rules

    • Computational models: Aims to simulate human reading processes, often using computer programs.
    • Grapheme-to-phoneme correspondences (GPC): Critical for pronunciation in the non-lexical route.
    • Non-lexical route issues: Errors may result due to exceptions to grapheme-phoneme rules.
    • Novel word processing with non-lexical route: The non-lexical route supports approximation of pronunciation for novel words.
    • Lexical route usage: The lexical route primarily deals with familiar words.
    • Non-lexical route processing speed: Has to work harder for longer non-words as it is computationally intensive, in contrast to applying rules, for faster and easier word access.

    Reading and Time Pressure

    • Time pressure errors: Under time pressure, regularized word errors or misinterpreting non-words for words may occur.
    • Route usage distinction: The lexical route primarily deals with known words, while the non-lexical route is employed more for unfamiliar words.

    Reading and Word Frequency

    • Frequency effect: High-frequency words are read faster because they are more accessible in the mental lexicon through practice and repeated exposure.
    • Irregular words: These words often have conflicting pronunciations that require the use of both routes.

    Factors Affecting Reading Speed and Accuracy

    • Orthographic neighborhood: The number of visually similar words can affect reading speed for non-words; words with similar visual appearances are recognized faster.
    • Whole-word recognition (lexical route): Uses existing word knowledge and long-term memory for speedy word recognition.
    • Print-to-sound correspondences: Assist in pronunciation determination, particularly when relying on the non-lexical route.

    Memory and Reading

    • Long-term memory: Used to store whole words in the lexical route, or the pronunciations associated with graphemes in the non-lexical route.

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    Description

    This quiz explores Parallel-Distributed-Processing (PDP) models in reading, focusing on their representations of information and learning processes. It also connects these models to brain function, discussing lexical and non-lexical routes used in reading. Test your understanding of these fundamental concepts in cognitive science!

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