scholarly journals The Bilingual Native Speaker Competence: Evidence From Explicit and Implicit Language Knowledge Using Elicited Production, Sentence-Picture Matching, and Pupillometry

2021 ◽  
Vol 12 ◽  
Author(s):  
Anna-Lena Scherger ◽  
Gianna Urbanczik ◽  
Timon Ludwigs ◽  
Jasmin M. Kizilirmak
Keyword(s):  
Word Order ◽  
Native Speaker ◽  
Complex Structure ◽  
Reaction Times ◽  
Order Effect ◽  
Linguistic Knowledge ◽  
Matching Task ◽  
Double Object ◽  
Language Knowledge

The present pilot study investigated potential effects of early and late child bilingualism in highly proficient adult bilinguals. It has been shown that some early second language (eL2) speakers stagnate when it comes to complex linguistic phenomena and that they display subtle difficulties in adulthood. Therefore, we have chosen the complex structure of double object constructions. We investigate the long-term achievement in a combined-method approach using elicited production, explicit comprehension by sentence-picture matching and a measure of implicit linguistic knowledge, namely pupillometry. This eye tracking method is suitable for measuring implicit reactions of the pupils to unexpected or ungrammatical stimuli. For production, ditransitive structures were elicited by means of a game. For comprehension, a sentence-picture matching task was conducted. Two pictures were shown on a monitor that were equal with respect to the involved objects, but the thematic roles of direct and indirect objects were interchanged. Items were controlled for length, gender, animacy, semantic likelihood and word order. Reaction times and accuracy scores were analyzed. To this end, N = 18 bilingual adult speakers of German (+ another language, mean age: 26.5) with different ages of onset participated in this study and were compared to N = 26 monolingual German adult speakers (mean age 23.9). All participants had a proficiency of German above 89% correct in placement and cloze tests. Results show fully comparable productive and comprehensive competencies in monolinguals and bilinguals including the reaction times in the sentence-picture matching task and a word order effect on the reaction times in both groups. In the pupillometry task, we found monolinguals and bilinguals to be sensitive to differing conditions with respect to grammatical and ungrammatical utterances. However, we find between group differences in pupil dilations in that bilinguals react differently to strong grammatical violations than monolinguals. These results are discussed with respect to the term of native speaker competence and the variation within both groups.

scholarly journals Examining the use of an online version of the maze task as a pedagogical tool for second language learning

2020 ◽  
Vol 24 (1) ◽  
pp. 361-388
Author(s):  
Cândido Samuel Fonseca de Oliveira ◽  
Elizabeth Duane Santos da Costa ◽  
Karina Ribeiro Canabrava ◽  
Nathalie
Keyword(s):  
Language Learning ◽  
Second Language Learning ◽  
Reaction Times ◽  
Linguistic Knowledge ◽  
Control Group ◽  
Double Object ◽  
Maze Task ◽  
Improvement Rate ◽  
Pedagogical Tool ◽  
Task Training

This paper aims to explore the maze task as a pedagogical tool to enhance learners’ knowledge of the L2. Recent evidence suggests that linguistic training can modify linguistic knowledge (Wells et al., 2009; Enkin; Forster, 2014, Fraundorf; Jager, 2016, Hopp, 2016, 2020). We analyzed the behavior of Brazilian learners of English with respect to the double-object construction after they performed an online maze task training by comparing the results from a pretest and a posttest, in which we measured acceptability ratings and reaction times. The results suggest improvement in both measures. However, the improvement rate was not significant compared to that in a control group trained on other structures and that in a third group that watched a short lecture on English structures.

scholarly journals Syntactic adaptation depends on perceived linguistic knowledge: Native English speakers differentially adapt to native and non-native confederates in dialogue

2019 ◽  
Author(s):  
J E Loy ◽  
Kenny Smith
Keyword(s):  
Native Speakers ◽  
Native Speaker ◽  
Native English Speakers ◽  
Linguistic Knowledge ◽  
Double Object ◽  
Nonnative Speaker ◽  
Differential Adaptation ◽  
Native Speakers Of English ◽  
Prepositional Object ◽  
Communicative Context

The way speakers adapt their language during interaction may be influenced by their perception of their partner’s linguistic knowledge. We examined the degree to which speakers adapt to the syntactic structures used by their interlocutor, comparing interaction between native speakers of English and a partner who was a native or a nonnative speaker. In three lab-based experiments, naive participants took turns to describe and match pictures with a confederate who was a native or nonnative speaker of English. We found that participants tended to produce the same syntactic form (prepositional object or double object) that the confederate had just produced on the turn before. We observed different levels of adaptation to native and nonnative confederates, with participants adapting more to nonnative confederates than native confederates, but only when confederates exhibited linguistic inflexibility through a rigid production of double object constructions, some of which were ungrammatical (e.g. “The wizard donates the golfer the cake”). A further two online experiments were conducted to replicate the design of the lab-based experiments. We found differential adaptation to natives and nonnatives again only when confederates’ behaviour exhibited the same linguistic inflexibility; however, the effect of confederate nativeness was the opposite to the lab experiments, with participants adapting more to the inflexible native speaker. Together, our results provide evidence that adaptation is at least partly driven by listener-oriented mechanisms; speakers take into account their partner’s linguistic knowledge and communicative needs when these needs are foregrounded by the communicative context.

Retrieval from Memory or Procedural Strategies for Addition Problems

2011 ◽  
Vol 70 (1) ◽  
pp. 35-39 ◽  
Author(s):  
Muriel Fanget ◽  
Catherine Thevenot ◽  
Caroline Castel ◽  
Michel Fayol
Keyword(s):  
Reaction Times ◽  
Long Term Memory ◽  
Verbal Reports ◽  
Term Memory ◽  
Simple Addition ◽  
Memory Traces ◽  
Addition Problem ◽  
Retrieval From Memory ◽  
Calculation Procedures

In this study, we used a paradigm recently developed ( Thevenot, Fanget, & Fayol, 2007 ) to determine whether 10-year-old children solve simple addition problems by retrieval of the answer from long-term memory or by calculation procedures. Our paradigm is unique in that it does not rely on reaction times or verbal reports, which are known to potentially bias the results, especially in children. Rather, it takes advantage of the fact that calculation procedures degrade the memory traces of the operands, so that it is more difficult to recognize them when they have been involved in the solution of an addition problem by calculation rather than by retrieval. The present study sharpens the current conclusions in the literature and shows that, when the sum of addition problems is up to 10, children mainly use retrieval, but when it is greater than 10, they mainly use calculation procedures.

Case morphology and word order in second language Turkish: Evidence from Greek learners

2011 ◽  
Vol 27 (2) ◽  
pp. 173-204 ◽  
Author(s):  
Despina Papadopoulou ◽  
Spyridoula Varlokosta ◽  
Vassilios Spyropoulos ◽  
Hasan Kaili ◽  
Sophia Prokou ◽  
...  
Keyword(s):  
Second Language ◽  
Word Order ◽  
Second Language Learners ◽  
First Language ◽  
Matching Task ◽  
L2 Acquisition ◽  
Case Morphology ◽  
L2 Development ◽  
Order Constraints ◽  
On Line

The optional use of morphology attested in second language learners has been attributed either to a representational deficit or to a ‘surface’ problem with respect to the realization of inflectional affixes. In this article we contribute to this issue by providing empirical data from the early interlanguage of Greek learners of Turkish. Three experiments have been conducted, a cloze task, a sentence picture matching task and an on-line grammaticality judgement task, in order to investigate case morphology and its interaction with word order constraints. The findings of all three experiments point towards a variable use of case morphology, which is also observed in previous studies of Turkish as a second language (L2). Moreover, they show clearly that the learners face difficulties with non-canonical word orders as well as with the interaction of word order constraints and Case. On the other hand, the learners performed well on verbal inflections. On the basis of these findings, we argue that the developmental patterns in the early stages of L2 acquisition cannot be attributed to a global lack of functional categories but rather to more localized difficulties, which seem to be related to (a) whether the features in the L2 are grammaticalized in the first language and (b) the way these features are encoded in the morphosyntax of the first language. Moreover, we claim that processing factors and the specific properties of the morphological paradigms affect L2 development.

Auditory Long term Memory: Repetition Priming of Voice Recognition

1997 ◽  
Vol 50 (3) ◽  
pp. 498-517 ◽  
Author(s):  
Stefan R. Schweinberger ◽  
Anja Herholz ◽  
Volker Stief
Keyword(s):  
Repetition Priming ◽  
Priming Effect ◽  
Voice Recognition ◽  
Reaction Times ◽  
Long Term Memory ◽  
Term Memory ◽  
Person Recognition ◽  
Perceptual Representations

Two experiments examined repetition priming in the recognition of famous voices. In Experiment 1, reaction times for fame decisions to famous voice samples were shorter than in an unprimed condition, when voices were primed by a different voice sample of the same person having been presented in an earlier phase of the experiment. No effect of voice repetition was observed for non-famous voices. In Experiment 2, it was investigated whether this priming effect is voice-specific or whether it is related to post-perceptual processes in person recognition. Recognizing a famous voice was again primed by having earlier heard a different voice sample of that person. Although an earlier exposure to that person's name did not cause any priming, there was some indication of priming following an earlier exposure to that person's face. Finally, earlier exposure to the identical voice sample (as compared to a different voice sample from the same person) caused a considerable bias towards responding “famous”—i.e. performance benefits for famous but costs for nonfamous voices. The findings suggest that (1) repetition priming invoice recognition primarily involves the activation of perceptual representations of voices, and (2) it is important to determine the conditions in which priming causes bias effects that need to be disentangled from performance benefits.

Mathematical modeling of fluid movement inside the eyeball during intravitreal injection

2021 ◽  
pp. 106-109
Author(s):  
D.V. Lipatov ◽  
◽  
S.A. Skladchikov ◽  
N.P. Savenkova ◽  
V.V. Novoderezkin ◽  
...  
Keyword(s):  
Mathematical Modeling ◽  
Mathematical Model ◽  
Residence Time ◽  
Complex Structure ◽  
Posterior Vitreous Detachment ◽  
Vitreous Body ◽  
Complete Removal ◽  
Intravitreal Injections ◽  
The World

Background. The avalanche-like growth of intravitreal injections in the world has significantly increased interest in the hemodynamics of the processes that occur in the eye when a drug is injected into the vitreous cavity. Every year, the number of intravitreally used drugs and promising areas in which they can be used is growing. This also applies to the creation of new combined medicines and the development of drugs with a long-term therapeutic effect. Aims. Create mathematical model of eyeball to evaluate the movement of the drug substance in it; to estimate the time of the drug's presence in the eye cavity before its complete removal, to characterize the ways of its removal from the eye cavity; to assess the significance of posterior vitreous detachment during the time when the drug is present in the eye cavity; to evaluate the effect on the hydrodynamics of the depth of drug administration. Results. When the drug is administered closer to the center of the eyeball, its residence time increases in comparison with the parietal administration. With a complete posterior detachment of the vitreous body, the time of finding the drug in the eye is prolonged compared to its absence. The obtained results of mathematical modeling of the movement of the drug administered intravitreally cannot be mechanically transferred to the human eye, due to the more complex structure of the latter. Key words: intravitreal injections, vitreous body, mathematic computing.

Indirect objects in Siswati

1987 ◽  
Vol 18 (3) ◽  
pp. 309-326
Author(s):  
Videa P. De Guzman
Keyword(s):  
Object Relations ◽  
Word Order ◽  
Direct Object ◽  
Double Object ◽  
Bantu Languages ◽  
Indirect Object ◽  
Object Properties ◽  
Relational Grammar ◽  
Ditransitive Constructions

Contrary to the view that in Bantu languages the two unmarked nominals following the verb in ditransitive constructions need not be distinguished because both possess the same object properties, this paper shows the necessity of making a distinction between the direct object and the indirect object relations. Evidence comes from SiSwati, the language of Swaziland, and the analysis of the data is cast in the Relational Grammar framework. The arguments presented refer to word order, object concord (or pronominal copy) and the interaction between object concord and some syntactic phenomena such as passivization, topicalization, relativization, and clefting. By distinguishing the direct object from the indirect object in Siswati, the grammar is able to provide a more natural account for a number of related double object constructions.

Long-term investigation of a deep-seated creeping landslide in crystalline rock. Part I. Geological and hydromechanical factors controlling the Campo Vallemaggia landslide

2007 ◽  
Vol 44 (10) ◽  
pp. 1157-1180 ◽  
Author(s):  
L. Bonzanigo ◽  
E. Eberhardt ◽  
S. Loew
Keyword(s):  
Complex Structure ◽  
Companion Paper ◽  
Crystalline Rock ◽  
Fault Zones ◽  
Swiss Alps ◽  
Mitigation Measures ◽  
Metamorphic Rocks ◽  
Artesian Water ◽  
Creep Deformations

Slope movements of the deep-seated Campo Vallemaggia landslide in the southern Swiss Alps have been reported for over 200 years. Surface and borehole investigations of the unstable mass reveal an up to 300 m deep complex structure incorporating 800 million cubic metres of disturbed metamorphic rocks divided into blocks along primary fault zones. An average slide velocity of approximately 5 cm/year can be calculated from various monitoring data recorded between 1892 and 1995. Block movements primarily involve mechanisms relating to multiple shear surfaces, but in cases where slide blocks are constrained by other blocks, creep deformations are observed. Borehole investigations revealed the presence of artesian water pressures, which when integrated with inclinometer and surface geodetic data, helped to provide key insights into the underlying instability mechanisms. This paper reports the findings of an extensive mapping, geophysical, and monitoring investigation carried out over a 20 year period. Results from the analysis are presented with respect to the hydromechanical factors controlling the unstable mass, the significance of which were instrumental in resolving conflicts with regards to the slope mitigation measures required to stabilize the slope. In Part II (see companion paper, this issue), the stabilization works performed at Campo Vallemaggia and their effectiveness are presented.

Deconstructing the Anterior Cruciate Ligament: What We Know and Do Not Know About Function, Material Properties, and Injury Mechanics

2015 ◽  
Vol 137 (2) ◽  
Author(s):  
Scott G. McLean ◽  
Kaitlyn F. Mallett ◽  
Ellen M. Arruda
Keyword(s):  
Anterior Cruciate Ligament ◽  
Knee Joint ◽  
Mechanical Response ◽  
Cruciate Ligament ◽  
Complex Structure ◽  
Acute Injury ◽  
Research Attention ◽  
Increased Risk ◽  
Anterior Cruciate

Anterior cruciate ligament (ACL) injury is a common and potentially catastrophic knee joint injury, afflicting a large number of males and particularly females annually. Apart from the obvious acute injury events, it also presents with significant long-term morbidities, in which osteoarthritis (OA) is a frequent and debilitative outcome. With these facts in mind, a vast amount of research has been undertaken over the past five decades geared toward characterizing the structural and mechanical behaviors of the native ACL tissue under various external load applications. While these efforts have afforded important insights, both in terms of understanding treating and rehabilitating ACL injuries; injury rates, their well-established sex-based disparity, and long-term sequelae have endured. In reviewing the expanse of literature conducted to date in this area, this paper identifies important knowledge gaps that contribute directly to this long-standing clinical dilemma. In particular, the following limitations remain. First, minimal data exist that accurately describe native ACL mechanics under the extreme loading rates synonymous with actual injury. Second, current ACL mechanical data are typically derived from isolated and oversimplified strain estimates that fail to adequately capture the true 3D mechanical response of this anatomically complex structure. Third, graft tissues commonly chosen to reconstruct the ruptured ACL are mechanically suboptimal, being overdesigned for stiffness compared to the native tissue. The net result is an increased risk of rerupture and a modified and potentially hazardous habitual joint contact profile. These major limitations appear to warrant explicit research attention moving forward in order to successfully maintain/restore optimal knee joint function and long-term life quality in a large number of otherwise healthy individuals.

scholarly journals On the Statistical Reflection of Long-Term Growth in Agricultural Production

2020 ◽  
Vol 27 (5) ◽  
pp. 36-47
Author(s):  
D. S. Ternovsky ◽  
V. Ya. Uzun
Keyword(s):  
Theoretical Model ◽  
Agricultural Production ◽  
Crop Production ◽  
Complex Structure ◽  
Livestock Production ◽  
Chain Indices ◽  
Statistical Reflection ◽  
The Relationship ◽  
Constant Prices

The article presents the results of a study aimed at proving the existence of systematic error in traditional calculations of long-term growth rates of agricultural production based on chain indices of agricultural production. According to the authors, the article also introduces a more accurate assessment of its dynamics with the account to the structure of the relationship between prices and the volume of agricultural production. The paper describes a theoretical model that is a methodological basis for the study and explains the discrepancy in assessing the dynamics of agricultural production using chain indices and indexes at constant prices. It allows establishing differences in the ratios of the Laspeyres, Paasche, and Lowe indices for crop and livestock production, due to factors in the formation of demand and the complex structure of the relationship between the price level and the volume of production. The adequacy of the constructed theoretical model is proved based on aggregated data that eliminated the influence of incompleteness of the initial information. As a result, it was established that livestock production is characterized by time-distributed changes in prices and quantity of products, which makes it possible to assess its dynamics using both chain indices and symmetric indices. It is proved that the dynamics of crop production cannot be adequately described using chain indices, since a positive correlation of prices of the previous period and production volumes of the current period causes an overstatement of the index in comparable prices of the previous year. Based on calculations within the proposed aggregated model, it is proved that the use of constant prices as the Lowe index weights, updated every five years, is an acceptable approximation of the Fisher symmetric index. Application of the indicated methodology for calculating the index to the data on Russian agricultural production by main types of products in 1990-2018 allowed to establish an overstatement of dynamics by 11.9%. The main difference falls on crop production (+ 19.6%), while for livestock - the differences are insignificant (-0.7%).

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