PSY2002 W1 Language I - Core Reading Flashcards

An introduction to computational models of speech production

1
Q

What stages does speech productino involve

A

Semantic, syntactic, morphological adn phonological

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2
Q

What is a Discrete Models?

A

Are modules that have seperate parts that do not interact.

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3
Q

What is a Interactive Model?

A

It is a flexible interactive model, where sections/parts interact with one an other.

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4
Q

Similarities between speaking and writing

A

Start with planning which then follows by language production. Children usually learn to writer after they have developed spoken-language skills.

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5
Q

Differences between speaing and writing

A

Written languge: longer/complex construction, laregr vocab, permanent adn have direct access to production.
Speech: time-bound, less planning, direct verbal/non-verbal feedback.

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6
Q

What could be behind the fact that during speech comprehension adn production the same brain areas are activated?

A

could be due to the same processes are occurring or different processes occur within the same brain area.

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7
Q

What is more cogntiively demanding

A

Speech prodcution (greater impairment in attentin task) over speech comprehension.

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8
Q

Syntactic priming

A

tendency for speaker’s utterances to have the same syntactic structure as those they have heard shortly beforehand.

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9
Q

Preformulating

A

production by speakers of phrases used frequently before it reduce the demands of speech production.

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10
Q

Underspecification

A

strategy used to reduce processing cost in speech production by using simplified expressions.

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11
Q

Stages in speech production

A

Semantic, Syntactic, morphological and Phonological level

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12
Q

Word exchange errors

A

involve word belonging to the same syntactic/grammatical category, errors occur during grammatical encoding.

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13
Q

Sound- exchange errors

A

involve nearby elements within a phrase, during phonological encoding.

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14
Q

Factors influencing advance planning

A

slower speakers plan more, more planning before speaker produced simple rather than complex, more planning under low cognitive load.

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15
Q

Flexibility- speach planning - Ferreira and Swets, 2002

A

No time pressure speakers planned their response, time pressure speakers engaged in limited planning and did additional planning during the speaking.

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16
Q

Spoonerism

A

speech error in which the initial letter or letters of two words are switched to form two different words.

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17
Q

Freudian

A

speech error that reveals speakers sexual desires

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18
Q

Semantic substitution errors

A

occur when the correct word is replaced by one of similar meaning

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19
Q

Morpheme-exchange errors

A

involve inflectino or suffixes being attached to wrong word

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20
Q

Two factors causing speech errors

A

Planning processes relating to the targets of articulation.
Articulatory processes specifying the motor movement required to execute this plan.

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21
Q

Perceptual Loop theory (Levelt 1983)

A

explains error detection by monitoring their utterance. Inner speech (typically occur faster) and over speech ( speaker make use of auditory feedback, the comprehension system detects own speech errors
==> viewed as incorrect

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22
Q

Conflict-based Monitoring theory Nozari 2011

A

Conflict based account predicts speaker ability to detect their speech errors depends on the quality of their speech production system.

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23
Q

Spreading activatino theory - Delll 1986

A

Activation of a node (corresponding to a word/concept) in the brain causes some activation to spread to several related nodes or words.
Based on speech errors.
Processes can occur in parallel (at same time) at different levels. Processing is interactive, can be cascade processing.

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24
Q

Mixed-error effect

A

A form of speech error in which the incorrect word spoken is related to the correct one in terms of both meaning and sound.

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25
Q

Lexical bias effect

A

the tendency for speech errors to form words rather than non-words.

26
Q

Strenghts of Dells theory

A

eplains several speech errors, provides links between speech prodcution adn cognitive activities and flexibility.

27
Q

Limitation of Dell’s theory

A

De-emphasises processes involved in construction of a message, does not predict time it can take, less interactive processing when high processing demands

28
Q

Speech errors belong to 2 categories (Dell)

A

Anticipatory adn Preservatory

29
Q

Lemma

A

abstract words possessing syntactic and semantic features but not phonological ones.

30
Q

WEAVER++ Model (Levelt et al 1999)

A

Serial processing, feedforwards system with processing occuring in a strictly fowards direction. Decide meaning, then appropriate sounds to articulate.

31
Q

Computational Model

A

WEAVER ++ Model

32
Q

Serial Processing

A

One at the time no going backwards

33
Q

WEAVER Model Levels of speech production

A

Nodes representing lexical concept [higher level]
Nodes representing lemmas from mental lexicon.
Nodes representing word in terms of morphemes and phonemic segments [lowest]

34
Q

Lexicalisation

A

The process of translating a word’s meaning into its sound representation during speech production.

35
Q

Limitation of WEAVER ++

A

Processes involved in production a signle word, no focus on sentence production. Interaction between different levels, evidence from speech errors indicates more parallel processing.

36
Q

Summary of WEAVER ++ =/= Dell

A

WEAVER ++ Abstract words/lemmas are selected before phonological information about the word is accessed. [more evidence]=/= Dell Phonological processing can start before lemma or word selection is completed.

37
Q

Short-term memory - Speech

A

Short term memory, attention, cognitive control play important roles in language processing. “Now or Never” with the limited capacity of short term memory. Chunking reduces processing demands

38
Q

Aphasia

A

: severe problems in the comprehension/production of language caused by brain damage.

39
Q

Wernicke’s aphasia

A

: A form of aphasia involving fluent speech with many content words missing and impaired comprehension.

40
Q

Broca’s aphasia

A

A form of aphasia involving nonfluent speech and grammatical errors. Sentence comprehension is relatively intact.

41
Q

Anomia

A

most aphasics suffer from it, it’s the impaired ability to name objects. Levelt (1999) two reasons semantic or phonological level of problem.

42
Q

Phonological output lexicon

A

It contains information about the spoken form of words (e.g., number of syllables) and is used in object naming and reading aloud.

43
Q

Agrammatism

A

without grammar, speech production lacks grammatical structure and many function words and words ending are omitted and problem with language comprehension.

44
Q

Jargon aphasia

A

brain damaged condition, reasonably correct grammatically but severe problems in accessing appropriate words. Deficient self-monitoring (unaware their speech contain errors)

45
Q

Neologisms

A

Made up words produced by patients suffering from jargon aphasia.

46
Q

Four maxims - Grices

A

Relevance, Quantity, Quality and manner. (Grice’s maxims) Speakers often fail to adhere to them.

47
Q

Audiance design

A

: involves speakers tailoring what they say to the specific need and knowledge of their audience. With common ground (shared knowledge)

48
Q

Prosodic cues

A

(rhythm, stress and intonation): feature of spoken lanaue that make It easier to work out grammatical strucute and meaning.

49
Q

Discourse markers

A

Spoken words and phrases that do not contribute directly to the content of what is being said but still serve various functions (e.g., clarifying the speaker’s intentions).

50
Q

Directed retrospection

A

A technique in which individuals (e.g., writers) categorise their immediately preceding thoughts

51
Q

Key features of writing

A

Planning (producing ideas/organising), Sentence generation, Revision.

52
Q

Chenoweth and Hayes (2003):

A

proposer, translator, transcriber (convert word string into written processed text), Evaluator/reviser.

53
Q

Dysexecutive agraphia

A

Severely impaired writing abilities in individuals with damage to the frontal lobes whose central executive functioning is generally impaired.O

54
Q

Orthographic working memory

A

A store in which information about the individual letters in a word (and their ordering) is held immediately prior to spelling the word.

55
Q

Phonological dysgraphia

A

A condition caused by brain damage in which there is impaired spelling of irregular words but reasonably accurate spelling of regular words and non words cannot.

56
Q

Orthographic lexicon

A

Part of long-term memory in which learned word spellings are stored.

57
Q

Dyslexia

A

Impaired ability to read not attributable to low intelligence.

58
Q

Dysgraphia

A

Impaired ability to write (including spelling).

59
Q

3 active areas during handwriting

A

-Intraparietal sulcus and superior parietal lobule
-Superior frontal sulcus
-Posterior cerebellum (motor activity)

60
Q

Dual Route thoery

A

understanding the processes involved in spelling. 2 main route: lexical (phonological long-term memory, then access meaning and spelling in orthographic long-term memory) and non-lexical (not involve gaining access to details information it uses rules to convert sounds or phonemes into groups of letters/words). Both routes converge on orthographic working memory.