Anomia without dyslexia in Chinese

Weekes, Brendan S.; Chen, May Jane; Gang, Yin Wen

doi:10.1080/13554799708404034

Cited by 48 publications

(22 citation statements)

References 39 publications

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“…We expected that (1) dissociations between picture naming and oral reading would be observed in Persian‐speaking patients with aphasia; (2) greater impairment when reading words with opaque spellings; and (3) psycholinguistic variables would differentiate picture naming and oral reading. Overall, the group analysis found that oral reading is significantly better preserved than picture naming for most cases consistent with other studies in languages such as Chinese and English (Breen & Warrington, ; Law, Wong, & Chiu, ; Weekes, Chen, et al ., ). This extends this observation to an Indo‐European language with a Semitic script.…”

Section: Discussionmentioning

confidence: 97%

“…Law et al . () reported effects of rated AoA and orthography to phonology (OP) consistency as well interaction between these variables on oral reading in a case of acquired dyslexia in Chinese and argued these effects indicated reading via a non‐semantic reading pathway in Chinese (see also Weekes, ; Weekes, Chen, & Gang, ; Weekes, Coltheart, & Gordon, ). Using linear mixed‐effects modelling which considers individual differences across cases as well as fixed effects of item characteristics, Crepaldi, Che, Su, and Luzzatti () found significant independent effects of word frequency and AoA on reading together with significant effects of word frequency and imageability on picture naming.…”

Section: Introductionmentioning

confidence: 99%

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Aphasia in Persian: Implications for cognitive models of lexical processing

Bakhtiar

Jafary

Weekes

2016

Journal of Neuropsychology

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Current models of oral reading assume that different routes (sublexical, lexical, and semantic) mediate oral reading performance and reliance on different routes during oral reading depends on the characteristics of print to sound mappings. Studies of single cases of acquired dyslexia in aphasia have contributed to the development of such models by revealing patterns of double dissociation in object naming and oral reading skill that follow brain damage in Indo-European and Sino-Tibetan languages. Print to sound mapping in Persian varies in transparency because orthography to phonology translation depends uniquely on the presence or absence of vowel letters in print. Here a hypothesis is tested that oral reading in Persian requires a semantic reading pathway that is independent of a direct non-semantic reading pathway, by investigating whether Persian speakers with aphasia show selective impairments to object naming and reading aloud. A sample of 21 Persian speakers with aphasia ranging in age from 18 to 77 (mean = 53, SD = 16.9) was asked to name a same set of 200 objects and to read aloud the printed names of these objects in different sessions. As an additional measure of sublexical reading, patients were asked to read aloud 30 non-word stimuli. Results showed that oral reading is significantly more preserved than object naming in Persian speakers with aphasia. However, more preserved object naming than oral reading was also observed in some cases. There was a moderate positive correlation between picture naming and oral reading success (p < .05). Mixed-effects logistic regression revealed that word frequency, age of acquisition and imageability predict success across both tasks and there is an interaction between these variables and orthographic transparency in oral reading. Furthermore, opaque words were read less accurately than transparent words. The results reveal different patterns of acquired dyslexia in some cases that closely resemble phonological, deep, and surface dyslexia in other scripts - reported here in Persian for the first time.

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Section: Discussionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Aphasia in Persian: Implications for cognitive models of lexical processing

Bakhtiar

Jafary

Weekes

2016

Journal of Neuropsychology

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“…There are four tone marks, "1" for the high tone, "2" for the rising tone, "3" for the falling-rising tone, and "4" for the falling tone. Unlike alphabetic scripts, where phonemes are associated with letters, some scholars hold no phoneme corresponds to any target grapheme (Law & Or, 2001;Siok, Perfetti, Jin, & Tan, 2004;Weekes, Chen, & Gang, 1997;Yin, He, & Weekes, 2005). In other words, the visual-sound-correspondence that resembles the grapheme to phoneme conversion (GPC) used in alphabetic scripts doesn't exist in Putonghua, though some scholars may disagree with this assertion.…”

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confidence: 83%

“…Although Guo and Zhang mentioned impaired reading in Chinese SD patients, yet a detailed study has not been reported (Guo, Hong, Fu, Yu, & Lu, 2003;Zhang et al, 2008). It has been suggested that the reading in Chinese always relies on the lexical route because there is no GPC rule (Law & Or, 2001;Law, Wong, & Chiu, 2005;Weekes et al, 1997;Yin et al, 2005). Weekes hypothesized a lexical processing model for normal oral reading of Chinese script from print to phonological output.…”

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confidence: 96%

“…Weekes hypothesized a lexical processing model for normal oral reading of Chinese script from print to phonological output. As is shown in Figure 1b (Weekes et al, 1997), the model assumes a lexical semantic procedure, which allows reading for meaning, and a lexically mediated nonsemantic procedure, which directly connects all orthographic representations (i.e., strokes, radicals, and characters) to all phonological representations (i.e., syllables, rhymes, and tones). On the basis of this model, Weekes predicted that surface dyslexia is attributable to selective damage to the lexical semantic pathway, causing LARC errors in reading.…”

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confidence: 99%

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Characteristics of dyslexia and dysgraphia in a Chinese patient with semantic dementia

Liu

Sun

et al. 2014

Neurocase

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We describe a 44-year-old Chinese-speaking patient with semantic dementia (SD), who demonstrates dyslexia and dysgraphia. The man was administered a series of neuropsychological inspections, including general language tests and reading and writing examinations. The patient demonstrated surface dyslexia when reading single Chinese characters aloud. While most writing errors demonstrated by the patient were orthographically similar errors and noncharacter responses, such as pictograph, logographeme, and stroke errors, rather than phonologically plausible errors that were homophonous or different only in tone from the targets. We suggest that the type of acquired dysgraphia demonstrated by Chinese-speaking SD patients is determined by the unique features of the Chinese writing system.

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The subtypes of developmental dyslexia in Chinese: evidence from three cases

et al. 2005

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This study investigated subtypes of developmental dyslexia in Chinese by assessing three cases of Chinese dyslexic children. A battery of screening measures, a character naming and meaning task, and metalinguistic awareness tasks were administered to each child. One of the three children demonstrated characteristics of developmental surface dyslexia, and the other two showed characteristics of developmental deep dyslexia. Moreover, the children's reading problems were found to be specifically related to their deficits in metalinguistic awareness. The dissociation between developmental surface and deep dyslexia provides support to Weekes et al.'s (Neurocase 1997; 3: 51-60) model that a semantic and a nonsemantic pathway exist independently in Chinese reading. The results also suggest that deficits in morphological and phonological awareness may cause developmental delays in the semantic and the nonsemantic pathway.

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Anomia without dyslexia in Chinese

Cited by 48 publications

References 39 publications

Aphasia in Persian: Implications for cognitive models of lexical processing

Aphasia in Persian: Implications for cognitive models of lexical processing

Characteristics of dyslexia and dysgraphia in a Chinese patient with semantic dementia

The subtypes of developmental dyslexia in Chinese: evidence from three cases

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