Children's Verbal Working Memory: Role of Processing Complexity in Predicting Spoken Sentence Comprehension

2012 ◽  
Vol 55 (3) ◽  
pp. 669-682 ◽  
Author(s):  
Beula M. Magimairaj ◽  
James W. Montgomery

Purpose This study investigated the role of processing complexity of verbal working memory tasks in predicting spoken sentence comprehension in typically developing children. Of interest was whether simple and more complex working memory tasks have similar or different power in predicting sentence comprehension. Method Sixty-five children (6- to 12-year-olds) completed a verbal working memory (listening) span task that varied in syntactic processing difficulty (simple sentences representing a “simple working memory task,” complex sentences representing a “complex working memory task”) and a standardized sentence comprehension test. Results Word recall on the simple and complex working memory tasks correlated with each other. Both memory tasks also correlated with children's sentence comprehension. Regression analyses showed that the simple working memory task remained a significant predictor of comprehension even after accounting for variance associated with age and performance on the complex working memory task. Conclusions Results were interpreted to suggest that relative to more complex verbal working memory tasks, simple tasks are more robust predictors of children's sentence comprehension because they represent a basic yet robust index of working memory that sufficiently captures controlled attentional focus.

2020 ◽  
Author(s):  
Gavin M. Bidelman ◽  
Jane A. Brown ◽  
Pouya Bashivan

AbstractWorking memory (WM) is a fundamental construct of human cognition. The neural basis of auditory WM is thought to reflect a distributed brain network consisting of canonical memory and central executive brain regions including frontal lobe, prefrontal areas, and hippocampus. Yet, the role of auditory (sensory) cortex in supporting active memory representations remains controversial. Here, we recorded neuroelectric activity via EEG as listeners actively performed an auditory version of the Sternberg memory task. Memory load was taxed by parametrically manipulating the number of auditory tokens (letter sounds) held in memory. Source analysis of scalp potentials showed that sustained neural activity maintained in auditory cortex (AC) prior to memory retrieval closely scaled with behavioral performance. Brain-behavior correlations revealed lateralized modulations in left (but not right) AC predicted individual differences in auditory WM capacity. Our findings confirm a prominent role of auditory cortex, traditionally viewed as a sensory-perceptual processor, in actively maintaining memory traces and dictating individual differences in behavioral WM limits.


2017 ◽  
Vol 60 (10) ◽  
pp. 2865-2878 ◽  
Author(s):  
Yazmin Ahmad Rusli ◽  
James W. Montgomery

Purpose The aim of this study was to determine whether extant language (lexical) knowledge or domain-general working memory is the better predictor of comprehension of object relative sentences for children with typical development. We hypothesized that extant language knowledge, not domain-general working memory, is the better predictor. Method Fifty-three children (ages 9–11 years) completed a word-level verbal working-memory task, indexing extant language (lexical) knowledge; an analog nonverbal working-memory task, representing domain-general working memory; and a hybrid sentence comprehension task incorporating elements of both agent selection and cross-modal picture-priming paradigms. Images of the agent and patient were displayed at the syntactic gap in the object relative sentences, and the children were asked to select the agent of the sentence. Results Results of general linear modeling revealed that extant language knowledge accounted for a unique 21.3% of variance in the children's object relative sentence comprehension over and above age (8.3%). Domain-general working memory accounted for a nonsignificant 1.6% of variance. Conclusions We interpret the results to suggest that extant language knowledge and not domain-general working memory is a critically important contributor to children's object relative sentence comprehension. Results support a connectionist view of the association between working memory and object relative sentence comprehension. Supplemental Materials https://doi.org/10.23641/asha.5404573


2000 ◽  
Vol 43 (2) ◽  
pp. 293-308 ◽  
Author(s):  
James W. Montgomery

In this study we examined the influence of verbal working memory on sentence comprehension in children with SLI. Twelve children with SLI, 12 normally developing children matched for age (CA), and 12 children matched for receptive vocabulary (VM) completed two tasks. In the verbal working memory task, children recalled as many real words as possible under three processing load conditions (i.e., no-load condition; single-load condition, where words were recalled according to physical size of word referents; and dual-load condition, where words were recalled by semantic category and physical size of word referents). In the sentence comprehension task, children listened to linguistically nonredundant (shorter) and linguistically redundant (longer) sentences. Results of the memory task showed that the children with SLI recalled fewer words in the dual-load condition than their CA peers, who showed no condition effect. The SLI and VM groups performed similarly overall, but both groups showed poorer recall in the dual-load condition than in the other conditions. On the sentence comprehension task, children with SLI comprehended fewer sentences of both types than the CA children and fewer redundant sentences relative to themselves and to the VM children. Results were interpreted to suggest that children with SLI (a) have less functional verbal working memory capacity (i.e., ability to coordinate both storage and processing functions) than their CA peers and (b) have greater difficulty managing both their working memory abilities and general processing resources than both age peers and younger children when performing a "complex" off-line sentence processing task.


2011 ◽  
Vol 23 (7) ◽  
pp. 1664-1680 ◽  
Author(s):  
Corianne Rogalsky ◽  
Gregory Hickok

The role of Broca's area in sentence processing has been debated for the last 30 years. A central and still unresolved issue is whether Broca's area plays a specific role in some aspect of syntactic processing (e.g., syntactic movement, hierarchical structure building) or whether it serves a more general function on which sentence processing relies (e.g., working memory). This review examines the functional organization of Broca's area in regard to its contributions to sentence comprehension, verbal working memory, and other multimodal cognitive processes. We suggest that the data are consistent with the view that at least a portion of the contribution of Broca's area to sentence comprehension can be attributed to its role as a phonological short-term memory resource. Furthermore, our review leads us to conclude that there is no compelling evidence that there are sentence-specific processing regions within Broca's area.


2011 ◽  
Vol 34 (2) ◽  
pp. 395-415 ◽  
Author(s):  
ELENA FLORIT ◽  
MAJA ROCH ◽  
M. CHIARA LEVORATO

ABSTRACTTwo studies explored the relation between listening comprehension of text and listening comprehension of sentences in preschoolers aged 4 to 5 years, 11 months. The first study analyzed this relationship taking into account the role of lower level components, namely, word knowledge and verbal working memory, as possible mediators. These components specifically accounted for listening text comprehension, whereas sentence comprehension did not. Given that sentences forming a text are not processed in isolation but in context, the second study explored the role of the ability to use linguistic context, a higher level component, in listening comprehension of text and sentences. Listening sentence comprehension was facilitated by the use of context, which accounted for individual differences in listening text comprehension. Overall, results showed that listening text comprehension is related to lower level as well as higher level components, whereas listening sentence comprehension does not play a specific role.


2013 ◽  
Vol 63 (2) ◽  
pp. 211-242 ◽  
Author(s):  
Whitney Boyle ◽  
Annukka K. Lindell ◽  
Evan Kidd

2021 ◽  
pp. 096372142199517
Author(s):  
Randi C. Martin

Although research on the role of verbal working memory (WM) in language processing has focused on phonological maintenance, considerable evidence indicates that the maintenance of semantic information plays a more critical role. This article reviews studies of brain-damaged and healthy individuals demonstrating the contribution of semantic WM to language processing. On the sentence-comprehension side, semantic WM supports the retention of individual word meanings prior to their integration. It also serves to maintain semantic information in an activated state such that semantic interference between sentence constituents can be resolved. Phonological WM does not appear to support either of these functions, though it contributes to verbatim sentence recall. On the production side, evidence points to the phrase as the minimal scope of advance planning in sentence formulation, and to semantic WM as supporting the representation of the meanings of the content words within a phrase. Planning at the phonological level appears to have a very limited scope, making few demands on phonological WM. These findings imply that treatment of semantic but not phonological WM deficits should lead to improved sentence comprehension and production, and preliminary findings support that view.


2020 ◽  
Vol 3 (1) ◽  
pp. 1-30
Author(s):  
Elma Kerz ◽  
Daniel Wiechmann

Abstract Considerable variability has been observed in sentence comprehension abilities in both native speakers and second language (L2) learner populations. While it has long been established that, in native speakers, this variability is closely linked to individual differences (IDs) in verbal working memory (vWM), previous research on the role of vWM in L2 sentence comprehension has produced mixed results. Moreover, there is an accumulating body of evidence demonstrating that the relationship between vWM and native language comprehension abilities is mediated by language experience. However, to our knowledge, until now, no attempt has been made to integrate language experience measures into the vWM-L2 sentence comprehension relationship. The goal of the present study is twofold: (1) to determine whether and to what extent vWM – as gauged by a reading span (RSPAN) task – correlates with IDs in two proxy estimates of L2 experience and (2) to investigate the effects of vWM on L2 comprehension of three different types of complex sentences. Thirty-four German advanced learners of English participated in this study. Significant positive correlations were found between the RSPAN scores and both proxy estimates of L2 experience. Mixed-effects modeling revealed that vWM exerted a significant effect on L2 sentence comprehension that was not modulated by sentence type. Taken together, these results provide additional evidence in support of the involvement of vWM in L2 sentence comprehension and, to our knowledge, first evidence for the contribution of L2 experience to RSPAN task performance.


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