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PubMed1996

Comparative study of visual and verbal short-term memory in English and Spanish speakers: testing a linguistic hypothesis.

It has been proposed that differences in digit span performance between English and Spanish speakers are due to the greater number of syllables per digit in the Spanish language. To test this hypothesis, we studied the performance of 30 English- and 30 Spanish-speaking elders on the Wechsler Adult Intelligence Scale-Revised (WAIS-R) Digit Span Subtest, a modified digit span test that was linguistically comparable for both languages, and the Corsi Block Test. Consistent with previous reports, we found that English speakers scored significantly higher than Spanish speakers on WAIS-R Digit Span Forward. Group differences were reduced on the modified Digit Span Forward, but remained significant. English and Spanish speakers scored comparably on Digit Span Backward (WAIS-R and modified) and Visual Span. We suggest that although differences in the number of syllables per digit string are in part responsible for the lower performance of Spanish speakers on Digit Span Forward, cultural and educational issues also contribute to the observed differences between English and Spanish speakers.

Adult↗
PubMed2001

A new verbal learning and memory test for English- and Spanish-speaking older people.

Word-list verbal learning and memory tests with appropriate normative data can be highly sensitive to cognitive decline, but there are significant limitations of such tests available for use with older Hispanic and non-Hispanic people living in the US. The purpose of this study was to (1) create a new word-list learning and memory test in both English and Spanish and, (2) validate it with respect to sensitivity to cognitive impairment, and (3) develop statistical corrections for the effects of significant demographic variables, including ethnicity, language of administration, age, education, and gender. A community dwelling sample of 801 English- and Spanish-speaking older people was employed. Recall on learning trials and the delayed recall trial of the word-list learning test were strongly related to the Mini-Mental State Examination (MMSE). moderately related to age, and weakly related to gender and education. The relationship of word-list variables and the MMSE did not significantly differ across ethnicity/language groups. Regression coefficients for demographic variables were used in a statistical correction formula to adjust raw word-list scores, and then to develop specific percentile cut-off values.

Aged↗
PubMed2002

Stroop effect in Spanish-English bilinguals.

The aim of this study was to analyze the performance of Spanish-English bilinguals on the Golden Stroop Test. The effects of bilingualism, participants' age, age of acquisition of the second language, and proficiency in each language were analyzed. Participants consisted of 71 Spanish-English bilinguals, 40 English monolinguals, and 11 Spanish monolinguals from South Florida. Proficiency in Spanish and English was established using a self-report questionnaire and the English and Spanish versions of the Boston Naming Test. In bilinguals, the Golden Stroop Test was administered in English and in Spanish. Overall, performance was slower in bilinguals than in monolinguals. No significant differences were observed in color reading but bilinguals performed worse in the naming color condition. Even though bilinguals were 5% to 10% slower in the color-word condition, one-way ANOVAs revealed no statistically significant differences between groups. Within the bilingual group, the Stroop Test scores were similar in both English and Spanish. Age of acquisition of the second language did not predict the Stroop Test performance. Repeated measures ANOVA demonstrated a significant interaction between Language Proficiency x Language (in which the test was administered) in some of the ST conditions. In balanced bilinguals, the language used in the ST did not matter, but in unbalanced subjects, the best-spoken language showed better results. In addition, our results support the presence of both between- and within-language interference in Spanish-English bilinguals. Different conceptualization models of the structure of bilingual memory are disclosed.

Adult↗
PubMed2003

Number processing after stroke: anatomoclinical correlations in oral and written codes.

Calculation and number-processing abilities were studied in 49 patients with chronic single vascular brain lesions by means of a standardized multitask assessment battery (EC301), as well as through other tasks, testing functions thought to be implicated in calculation such as language, visuo-perceptive abilities, verbal and spatial working memory, planning, and attention. The results show that (1) lesions involving parietal areas-particularly left parietal lesions-are prone to alter calculation processing. A more detailed analysis showed that patients with lesions involving left parietal areas were impaired in both digital (i.e., comprehension and production of numbers written in Arabic code) and oral (i.e., comprehension and production of numbers heard or expressed orally) processing while lesions involving right parietal areas lead to an impairment in digital processing only. However, linguistically related alphanumerical processing (i.e., comprehension and production of numbers written orthographically) was not influenced by parietal lesions. (2) Semantic representations (knowledge of the magnitude related to a given number) as well as rote arithmetical knowledge are also impaired following damage to parietal and particularly left parietal lesions, suggesting that these areas are also implicated in magnitude comparisons and in the retrieval of arithmetical facts. (3) Performance in calculation is highly correlated with language. (4) Moreover, we found a highly significant correlation between performances in oral calculation and verbal working memory, and between written-digit calculation and visuospatial working memory. Performances in regard to visuo-perceptive abilities, planning, and attention were less consistently correlated with calculation. These results stress the close correlation, but relative independence between calculation and language, as well as a dissociated sensitivity of oral and digital processing to brain lesions.

Adult↗
PubMed2006

Is adaptation of the word accentuation test of premorbid intelligence necessary for use among older, Spanish-speaking immigrants in the United States?

Adaptations of the National Adult Reading Test (NART) for assessing premorbid intelligence in languages other than English requires (a) generating word-items that are rare and do not follow grapheme-to-phoneme mappings common in that language, and (b) subsequent validation against a cognitive battery normed on the population of interest. Such tests exist for Italy, France, Spain, and Argentina, all normed against national versions of the Wechsler Adult Intelligence Scale. Given the varieties of Spanish spoken in the United States, the adaptation of the Spanish Word Accentuation Test (WAT) requires re-validating the original word list, plus possible new items, against a cognitive battery that has been normed on Spanish-speakers from many countries. This study reports the generation of 55 additional words and revalidation in a sample of 80 older, Spanish-dominant immigrants. The Batería Woodcock-Muñoz Revisada (BWM-R), normed on Spanish speakers from six countries and five U.S. states, was used to establish criterion validity. The original WAT word list accounted for 77% of the variance in the BWM-R and 58% of the variance in Ravens Colored Progressive Matrices, suggesting that the unmodified list possesses adequate predictive validity as an indicator of intelligence. Regression equations are provided for estimating BWM-R and Ravens scores from WAT scores.

Aged↗
PubMed2000

Minority language education in unbalanced bilingual situations: a case for the linguistic interdependence hypothesis.

This paper is placed in the linguistic and sociocultural context of Eastern Aragon, a region of Spain where two contact languages (Spanish and Catalan) coexist in an unbalanced situation favoring Spanish. The research was prompted by the regulation for the teaching of Catalan in that area, by means of the Cooperation Agreement signed by the Spanish Educational Ministry (MEC) and the local autonomous Cultural and Educational Department of the Diputación General de Aragon in November 1986. A comparative analysis is made between Eastern Aragon students' linguistic competence in Catalan and Spanish; a further comparison is established between these students and others living in bilingual Catalonia and in monolingual Aragon. We conclude by pointing out that the Linguistic Interdependence Hypothesis accounts for the results obtained in the study.

Child↗
PubMed2000

Knowledge, skills, and behavior improvements on peer educators and low-income Hispanic participants after a stage of change-based bilingual nutrition education program.

A nutrition education program, entitled La Cocina Saludable, was designed according to the Stage of Change Model and implemented in ten southern Colorado counties. The objectives were to improve the nutrition related knowledge, skills, and behaviors that lead to healthy lifestyles in a low-income Hispanic population. The content of the program included nutrition information designed to help mothers of preschool children provide for their children's nutritional needs. Previous studies suggest that low-income Hispanics often demonstrate low intakes of vitamins A and C, calcium, iron, and protein, and high rates of diabetes, obesity, and infections. Additionally, this population presents many obstacles for nutrition educators including limited resources, child care, transportation, time, language, culture, literacy, health beliefs, and, in some cases, the transient nature of the population. The program attempted to overcome these barriers by incorporating a flexible program format carried out by abuela (Hispanic grandmother) educators using the processes described in the Stage of Change Model. The program was evaluated using a knowledge, skills and behavior pre-test, post-test, and six-month follow-up survey on both the abuela educators as well as the actual class participants. Results of the peer education training sessions suggest that this type of training program can be effective in increasing the knowledge, skills, and behavior of peer educators as well as reduce need for retraining for educators who continuously teach classes. Additionally, the results suggest that this type of program can be effective in changing selected nutrition related knowledge, skills, and behaviors leading to healthy lifestyles for low-income Hispanic mothers of preschool children.

Adult↗
PubMed2001

Testing the interdependence hypothesis among native adult bilingual Russian-English students.

English and Russian are two different orthographies, the former being an opaque orthography, the latter being considered a direct letter-sound language. This study investigated the relationship between reading, syntactic, orthographic, and working memory skills in the two orthographies. Participants were first-year BA students of English (age range 25-30) at the University of Haifa who had completed high school in Russia. They were tested individually, in Russian and English, on working memory, spelling, oral cloze, visual condition, phonological condition, orthographic skills, word attack, and word identification. The results indicated positive significant correlations within and across languages, except for the orthographic skills and some of the correlations of the visual skills. The orthographic skills correlated highly significantly within each language but not across languages. Almost all the other linguistic skills correlated significantly within and across languages. Multiple regression procedures revealed that phonological and spelling skills in Russian, the first language, were strong predictors of word identification in English, the second language. These results are discussed in light of the interdependence and the script-dependent hypotheses.

Adult↗
PubMed2002

The equivalence of English and Chinese SF-36 versions in bilingual Singapore Chinese.

OBJECTIVE: To assess the equivalence of English and Chinese versions of the SF-36. METHODS: Using a crossover design with block randomisation and stratification by age, identical English or Chinese questionnaires containing the English (UK) and Chinese (HK) SF-36 versions were administered 3-16 days apart to 168 free-living, bilingual, ethnic Chinese volunteers in Singapore. Item level equivalence of both versions was assessed by comparing item means and orderings within each scale. Scale level equivalence was assessed by comparing internal consistency (Cronbach's alpha), results of factor analysis and mean scale scores (using paired t-tests and intra-class correlations). RESULTS: Item and scale level comparisons supported the equivalence of both versions. For both the versions, item means, item ordering and Cronbach's alpha were similar, and factor analysis yielded two factors with similar factor loadings. There was no clinically important difference in mean scale scores for seven of eight scales, and intra-class correlations were excellent/good for five scales (0.69-0.77) and moderate for three scales (0.55-0.57). CONCLUSION: English (UK) and Chinese (HK) SF-36 versions are equivalent in bilingual Singapore Chinese. Our data suggest that SF-36 scores from English- and Chinese-speaking subjects may be combined in studies using the SF-36, increasing the power and representativeness of such studies.

Adolescent↗
PubMed2002

Processing hyponymy in L1 and L2.

This study examined the processing of hyponmy in L1 and two levels of performance (overall and high proficiency) in L2 in a group of Persian-English bilinguals. In two experiments, the same participants detected semantic relation in hyponymy pairs (i.e., hyponym-superordinate vs. superordinate-hyponym) in L1 (experiment 1) and L2 (experiment 2). The variables of pair type, stimulus onset asynchrony (SOA), language, and language proficiency were manipulated Overall, the results showed that participants median RTs and SDs were significantly greater in L2. This suggests that L2 processing in unbalanced bilinguals is less automatic than L1 processing. The findings of experiment 2 with the higher proficiency group showed a trend toward performance in L1 and therefore confirmed the prediction of the hierarchical model of bilingual memory that lexical processes in more-fluent bilinguals approximate those of L1 speakers. The results of the two experiments also showed that participants were significantly faster when presented with superordinate-hyponym word pairs than with hyponym-superordinate word pairs at 100-ms SOA in both L1 and L2 conditions. The results at 200-ms SOA, however, showed an opposite trend, although the results with L2 did not reach significance. This trend of results points to a possibility of automatic vs. strategic processing in the sense that participants processing of hyponymy relation was more strategic than automatic at 200-ms SOA.

Adult↗
PubMed2002

Reading, syntactic, orthographic, and working memory skills of bilingual Arabic-English speaking Canadian children.

This study assessed the reading, language, and memory skills of 56 bilingual Arab-Canadian children age's 9-14. English was their main instructional language, and Arabic was the language spoken at home. All children attended a Heritage Language Program in Toronto where they were taught to read and write Arabic. The children were administered word and pseudo-word reading, language, and working memory tests in English and Arabic. The majority of the children showed at least adequate proficiency in both languages. There was a significant relationship between the acquisition of word and pseudo-word reading working memory, and syntactic awareness skills in the two languages. The poor readers in Arabic had lower scores on all linguistic tasks, except the visual task. There were no significant differences between bilingual English Arabic children and monolingual English-speaking children on the reading, language, and memory tasks. However, bilingual English Arabic children who had reading problems in English had higher scores on English pseudo-word reading and spelling tasks than monolingual English-speaking children with reading disabilities, probably because of positive transfer from the regular nature of Arabic orthography. In this case, bilingualism does not appear to have negative consequences for the development of language reading skills in both languages--Arabic and English--despite the different nature of the two orthographies.

Adolescent↗
PubMed1997

The use of bilingual, bicultural paraprofessionals in mental health services: issues for hiring, training, and supervision.

Language and cultural barriers mitigate between refugee and immigrant populations and the mental health services they need to adjust to life in the United States. To bridge the gap between mental health professional and client, and to educate communities regarding services, agencies are recruiting paraprofessionals who are bilingual and bicultural to perform outreach functions and provide interpretation services. This article presents the recent circumstances that have created this situation, discusses the roles of paraprofessionals in mental health, and addresses the issues and problems that can arise around the hiring, training, and supervision of bilingual, bicultural paraprofessionals.

Communication Barriers↗
PubMed2004

Improving access for Latino immigrants: evaluation of language training adapted to the needs of health professionals.

The number of Latinos in North Carolina grew by almost 400% between 1990 and 2000. The rapid change in demographics in this state and other southeastern states has caught healthcare providers unprepared. Lack of ability to communicate with Latino patients may result in errors in diagnosis or reduced compliance with recommended treatments. The Culturally and Linguistically Appropriate Services (CLAS) Standards, published in 2001, mandate culturally and linguistically appropriate services for persons with limited English proficiency. This paper describes an innovative strategy to promote Spanish and culture-learning skills of healthcare providers and presents results of the evaluation conducted to determine its impact on access to quality care. The evaluation used a 360 degrees case study design, at 1-year follow-up. Use of Spanish language health-related materials is key to the training's success. The authors make recommendations for replication of the integrated language and culture-training model in other new settlement areas, especially those in the southeast of the United States.

Communication Barriers↗
PubMed2004

Who do you love, your mother or your horse? An event-related brain potential analysis of tone processing in Mandarin Chinese.

In Mandarin Chinese, word meaning is partially determined by lexical tone (Wang, 1973). Previous studies suggest that lexical tone is processed as linguistic information and not as pure tonal information (Gandour, 1998; Van Lanker & Fromkin, 1973). The current study explored the online processing of lexical tones. Event-related potentials were obtained from 25 Mandarin speakers while they listened to normal and anomalous sentences containing one of three types of semantic anomalies created by manipulating the tone, the syllable, or both tone and syllable (double-anomaly) of sentence-final words. We hypothesized N400 effects elicited by all three types of anomalies and the largest by the double-anomaly. As expected, all three elicited N400 effects starting approximately 150 ms poststimulus and continuing until 1000 ms in some areas. Surprisingly, onset of the double-anomaly effect was approximately 50 ms later than the rest. Delayed detection of errors in this condition may be responsible for the apparent delay. Slight differences between syllable and tone conditions may be due to the relative timing of these acoustic cues.

Adolescent↗
PubMed2004

Verbal abilities in low and highly proficient bilinguals.

The study investigated native language verbal skills among low and highly proficient bilinguals, using the WISC III verbal subtests. Highly proficient bilinguals showed a superiority for almost all verbal subtests. This finding lends support to Threshold Theory which maintains that bilinguals need to achieve high levels of linguistic proficiency before bilingualism can promote cognitive development. Our study also shows that verbal ability underlying proficiency in the native language can be generalized to a foreign language, revealing a causal connection between native and foreign language learning.

Adolescent↗
PubMed2004

Modelling variability of quality of life scores: a study of questionnaire version and bilingualism.

BACKGROUND AND OBJECTIVES: Modelling variability of quality of life scores can not only improve our understanding of the characteristics of the measurement tools, but also shed light on sample size requirements. Although the English and Chinese versions of the Short Form 36 Health Survey (SF-36) are commonly considered equivalent, they have not been compared in terms of variability. Furthermore, bilingual and monolingual persons may differ in cognition and responses to questionnaires. METHODS: In a community-based survey of quality of life in Singapore, a society where both English and Chinese are widely used and bilingualism is prevalent, 2590 respondents answered either version of the SF-36. We studied the impact of questionnaire version and bilingualism on the variability of SF-36 scores by regression modelling, with adjustment for covariates. RESULTS: The Chinese version had smaller variances in the physical functioning (PF) and the physical component summary scores than the English version. The variance ratios (VRs) were respectively 0.32 and 0.60 (each p < 0.01), controlling for covariates. Bilingualism was not associated with variability in SF-36 scores except PF (VR = 0.78; p < 0.05). CONCLUSIONS: As a result of a smaller variance, using the Chinese version of SF-36 among bilingual Chinese people may require a smaller sample size than using the English version.

Adult↗
PubMed2003

Lexical ambiguity resolution across languages: a theoretical and empirical review.

Words that involve completely different meanings across languages but possess significant overlap in form are referred to as homographic noncognates or interlexical homographs (e.g., red is a color word in English but means "net" in Spanish). An important question in the investigation of the processing of these words is whether or not both meaning and form are integral to their representation leading to language-specific processing of these items. In contrast, some theories have been put forth indicating that the processing of these words is nonselective with regards to language. Simply stated, when one of these words is encountered, all of the relevant meanings are accessed regardless of the specific demands of the task and the base language that is being used. In the present, critical review, evidence purported to favor each view is presented along with a discussion of the methodological and analytic constraints that moderate the reported findings. The data lead to the conclusion that there is a time course involved in the activation of multiple meanings such that a primary or dominant meaning (sometimes biased by frequency) is typically accessed more readily, followed by the opposite language meaning. These results indicated that studies should focus on manipulating the timing intervals between the presentation of these words and subsequent responses that are required by a particular task.

Humans↗
PubMed2003

Building syntactic structures in speaking: a bilingual exploration.

In a series of three experiments we investigated syntactic priming using a sentence recall task. Participants read and memorized a target sentence for later recall. After reading a prime sentence and engaging in a distraction task, they were asked to produce the target sentence aloud. Earlier investigations have shown that this task is sensitive to a syntactic priming effect. That is, the syntactic form of the prime sentence sometimes influences the syntactic form of the recalled target. In this paper we report on a variation on this task, using Spanish-English bilingual participants. In the first two experiments we replicated the prepositional phrase priming effect using English target sentences and Spanish prime sentences. In the final experiment we investigated two additional syntactic forms, using Spanish target sentences and English prime sentences. Implications for models of syntax generation and bilingual speech production are discussed.

Humans↗