Object scrambling and finiteness in Turkish agrammatic production

Duman, Tuba Yarbay; Aygen, Gülşat; Özgirgin, Neşe; Bastiaanse, Roelien

doi:10.1016/j.jneuroling.2007.01.001

Cited by 20 publications

(9 citation statements)

References 23 publications

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“…Moreover, the data indicated that grammatical complexity in Turkish agrammatic aphasia, as measured by mean length of verbs, is considerably reduced. Consistent with the above spontaneous speech study, experimental sentence production studies have shown that sentence-level processing in grammatically complex structures is challenging for agrammatic Turkish speakers (Yarbay-Duman, Aygen, Özgirgin, & Bastiaanse, 2007). In particular, producing and comprehending subject and object relatives, where non-finite verbs are used, pose difficulties to Turkish agrammatic speakers (Aydın, 2007;Yarbay-Duman, Aygen, & Bastiaanse, 2008).…”

Section: Agrammatic Aphasia In Turkish Individualssupporting

confidence: 63%

A characterization of verb use in Turkish agrammatic narrative speech

Arslan

Bamyacı

Bastiaanse

2016

Clinical Linguistics & Phonetics

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This study investigates the characteristics of narrative-speech production and the use of verbs in Turkish agrammatic speakers (n = 10) compared to non-brain-damaged controls (n = 10). To elicit narrativespeech samples, personal interviews and storytelling tasks were conducted. Turkish has a large and regular verb inflection paradigm where verbs are inflected for evidentiality (i.e. direct versus indirect evidence available to the speaker). Particularly, we explored the general characteristics of the speech samples (e.g. utterance length) and the uses of lexical, finite and non-finite verbs and direct and indirect evidentials. The results show that speech rate is slow, verbs per utterance are lower than normal and the verb diversity is reduced in the agrammatic speakers. Verb inflection is relatively intact; however, a trade-off pattern between inflection for direct evidentials and verb diversity is found. The implications of the data are discussed in connection with narrative-speech production studies on other languages. ARTICLE HISTORY

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Section: Agrammatic Aphasia In Turkish Individualssupporting

confidence: 63%

A characterization of verb use in Turkish agrammatic narrative speech

Arslan

Bamyacı

Bastiaanse

2016

Clinical Linguistics & Phonetics

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“…It is based on data from many languages (Dutch, English, Turkish, Italian; see, for example, Bastiaanse, Edwards, Maas, & Rispens, 2003;Bastiaanse & Thompson, 2003;Bastiaanse & Van Zonneveld, 2005YarbayDuman, Aygen, Özgirgin, & Bastiaanse, 2007;YarbayDuman, Aygen, & Bastiaanse, 2008;YarbayDuman, Ozgirgin, Altinok, & Bastiaanse, 2011). Contrary to the TDH, it does not assume a representational deficit, but a processing disorder, meaning that the sentence representations are intact, but linguistic operations cannot always be performed correctly.…”

Section: Swahili Syntax and Verb Morphologymentioning

confidence: 99%

Sentence comprehension in Swahili–English bilingual agrammatic speakers

Abuom¹,

Shah²,

Bastiaanse³

2013

Clinical Linguistics & Phonetics

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For this study, sentence comprehension was tested in Swahili-English bilingual agrammatic speakers. The sentences were controlled for four factors: (1) order of the arguments (base vs. derived); (2) embedding (declarative vs. relative sentences); (3) overt use of the relative pronoun "who"; (4) language (English and Swahili). Two theories were tested: the Trace Deletion Hypothesis (TDH; [Grodzinsky, Y. (1995). A restrictive theory of agrammatic comprehension. Brain and Language, 50, 27-51]) that assumes a representational deficit in agrammatic aphasia and the Derived Order Problem Hypothesis (DOP-H; Bastiaanse & Van Zonneveld, 2005), which is a processing account. Both theories have the same predictions for sentences in derived order. The difference is that the TDH predicts chance level performance for sentences in which the arguments are not in base order, whereas the DOP-H predicts poorer performance when processing demands increase. The results show that word order influences performance, in that sentences in which the arguments are in derived order are harder to comprehend than sentences in which the arguments are in base order. However, there is a significant interaction with the factor "embedding": sentences with an embedding are harder to comprehend than simple declaratives and this influence is larger in derived order sentences. There is no effect of language nor of the use of a relative pronoun. These results are correctly accounted for by the DOP-H.

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“…This account has been mainly based on verbal production data in Dutch and English (Bastiaanse, Koekkoek, & Van Zonneveld, 2003), by demonstrating that verbs that have to be produced in matrix sentences (e.g., finite sentences in Dutch) are more difficult than verbs in other sentential constructions in which verbs are in their canonical position. This view has been validated in Turkish with object scrambling constructions (Yarbay Duman, Aygen,Özgirgin, & Bastiaanse, 2007) and in Greek with verb and pronouns production (Stavrakaki & Kouvava, 2003). In addition, alternative theories of agrammatic language processing assume that agrammatism results from a general reduction in neurocognitive resources or processing capacities that are required to implement syntactic representations and operations in real time (Carpenter, Miyake, & Just, 1994;Haarman, Just, & Carpenter, 1997;Kolk, 1995;Swinney, Zurif, Prather, & Love, 1996;Zurif, Swinney, Prather, Solomon, & Bushell, 1993).…”

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confidence: 99%

Modulating the sensitivity to syntactic factors in production: Evidence from syntactic priming in agrammatism

Rossi

2013

Applied Psycholinguistics

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This study investigates the extent to which the production of complex morphosyntactic structures can be modulated in agrammatic speakers by utilizing a syntactic priming paradigm. Italian clitic pronouns (varying in morphosyntactic complexity) were chosen as the focal linguistic structure under investigation to test hypotheses based on alternative theories. Three experiments were performed. Experiment 1 analyzed clitic production in spontaneous speech. Experiments 2 and 3 used syntactic priming to prime the production of direct-and indirect-object clitics in finite and in restructuring sentences. These structures critically require different clitic positions (finite sentences: before the finite verb; restructuring sentences: before or after the verbal complex). The pattern of results shows that agrammatic speakers are impaired in clitic production. However, they show that the deficit is quantitative rather than qualitative, suggesting residual sensitivity despite the poor performance. The findings demonstrate that agrammatic (and control) speakers show a positive effect of syntactic priming across clitic types, suggesting that agrammatism can be characterized in terms of a linguistic processing deficit owing to increased processing demands for complex linguistic structures. Specifically, it is suggested that morphosyntactic complexity modulates both the level of impairment and the effect of priming for these grammatical structures.Successful language processing requires the active interplay of accessing and processing linguistic structures, together with the support of more general cognitive abilities. Although investigating processing in typical language users (i.e., adult, healthy, highly skilled monolingual speakers) is undoubtedly useful, it may not offer the most revealing context to reveal the differential contributions of these factors. In contrast, atypical populations, such as speakers with aphasia, may represent an opportunity to begin to tease apart the factors that contribute to language comprehension and production. Persons with aphasia show a variety of language deficits that allow researchers to investigate in some detail specific grammatical structures that have become vulnerable. Therefore, investigating the ability to process particularly complex linguistic structures in people with aphasia can serve

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Object scrambling and finiteness in Turkish agrammatic production

Cited by 20 publications

References 23 publications

A characterization of verb use in Turkish agrammatic narrative speech

A characterization of verb use in Turkish agrammatic narrative speech

Sentence comprehension in Swahili–English bilingual agrammatic speakers

Modulating the sensitivity to syntactic factors in production: Evidence from syntactic priming in agrammatism

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