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Querella P, Majerus S. Sequential syntactic knowledge supports item but not order recall in verbal working memory. Mem Cognit 2023:10.3758/s13421-023-01476-6. [PMID: 37872468 DOI: 10.3758/s13421-023-01476-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/04/2023] [Indexed: 10/25/2023]
Abstract
Previous studies have shown that psycholinguistic effects such as lexico-semantic knowledge effects mainly determine item recall in verbal working memory (WM). However, we may expect that syntactic knowledge, involving knowledge about word-level sequential aspects of language, should also impact serial-order aspects of recall in WM. Evidence for this assumption is scarce and inconsistent and has been conducted in language with deterministic syntactic rules. In languages such as French, word position is determined in a probabilistic manner: an adjective is placed before or after a noun, depending on its lexico-semantic properties. We exploited this specificity of the French language for examining the impact of syntactic positional knowledge on both item and serial order recall in verbal WM. We presented lists with adjective-noun pairs for immediate serial recall, the adjectives being in regular or irregular position relative to the nouns. We observed increased recall performance when adjectives occurred in regular position; this effect was observed for item recall but not order recall scores. We propose an integration of verbal WM and syntactic processing models to account for this finding by assuming that the impact of syntactic knowledge on serial-order WM recall is indirect and mediated via syntax-dependent item-retrieval processes.
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Affiliation(s)
- Pauline Querella
- Department of Psychology, Psychology and Cognitive Neuroscience Research Unit, University of Liège, Place des Orateurs 1 (B33), 4000, Liège, Belgium.
| | - Steve Majerus
- Department of Psychology, Psychology and Cognitive Neuroscience Research Unit, University of Liège, Place des Orateurs 1 (B33), 4000, Liège, Belgium
- National Fund for Scientific Research, Brussels, Belgium
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Guediche S, Fiez JA. Comprehension of Morse Code Predicted by Item Recall From Short-Term Memory. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2021; 64:3465-3475. [PMID: 34491811 PMCID: PMC8642092 DOI: 10.1044/2021_jslhr-21-00042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 04/16/2021] [Accepted: 05/19/2021] [Indexed: 06/13/2023]
Abstract
Purpose Morse code as a form of communication became widely used for telegraphy, radio and maritime communication, and military operations, and remains popular with ham radio operators. Some skilled users of Morse code are able to comprehend a full sentence as they listen to it, while others must first transcribe the sentence into its written letter sequence. Morse thus provides an interesting opportunity to examine comprehension differences in the context of skilled acoustic perception. Measures of comprehension and short-term memory show a strong correlation across multiple forms of communication. This study tests whether this relationship holds for Morse and investigates its underlying basis. Our analyses examine Morse and speech immediate serial recall, focusing on established markers of echoic storage, phonological-articulatory coding, and lexical-semantic support. We show a relationship between Morse short-term memory and Morse comprehension that is not explained by Morse perceptual fluency. In addition, we find that poorer serial recall for Morse compared to speech is primarily due to poorer item memory for Morse, indicating differences in lexical-semantic support. Interestingly, individual differences in speech item memory are also predictive of individual differences in Morse comprehension. Conclusions We point to a psycholinguistic framework to account for these results, concluding that Morse functions like "reading for the ears" (Maier et al., 2004) and that underlying differences in the integration of phonological and lexical-semantic knowledge impact both short-term memory and comprehension. The results provide insight into individual differences in the comprehension of degraded speech and strategies that build comprehension through listening experience. Supplemental Material https://doi.org/10.23641/asha.16451868.
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Affiliation(s)
- Sara Guediche
- BCBL - Basque Center on Cognition, Brain and Language, Donostia, Spain
| | - Julie A. Fiez
- Departments of Psychology, Neuroscience, Communication Science and Disorders, Center for the Neural Basis of Cognition, and Learning Research and Development Center, University of Pittsburgh, PA
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Kowialiewski B, Van Calster L, Attout L, Phillips C, Majerus S. Neural Patterns in Linguistic Cortices Discriminate the Content of Verbal Working Memory. Cereb Cortex 2019; 30:2997-3014. [PMID: 31813984 DOI: 10.1093/cercor/bhz290] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 09/16/2019] [Accepted: 06/17/2019] [Indexed: 01/11/2023] Open
Abstract
An influential theoretical account of working memory (WM) considers that WM is based on direct activation of long-term memory knowledge. While there is empirical support for this position in the visual WM domain, direct evidence is scarce in the verbal WM domain. This question is critical for models of verbal WM, as the question of whether short-term maintenance of verbal information relies on direct activation within the long-term linguistic knowledge base or not is still debated. In this study, we examined the extent to which short-term maintenance of lexico-semantic knowledge relies on neural activation patterns in linguistic cortices, and this by using a fast encoding running span task for word and nonword stimuli minimizing strategic encoding mechanisms. Multivariate analyses showed specific neural patterns for the encoding and maintenance of word versus nonword stimuli. These patterns were not detectable anymore when participants were instructed to stop maintaining the memoranda. The patterns involved specific regions within the dorsal and ventral pathways, which are considered to support phonological and semantic processing to various degrees. This study provides novel evidence for a role of linguistic cortices in the representation of long-term memory linguistic knowledge during WM processing.
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Affiliation(s)
- Benjamin Kowialiewski
- University of Liège, Liège, Belgium.,Fund for Scientific Research-F.R.S.-FNRS, Brussels, Belgium
| | - Laurens Van Calster
- University of Liège, Liège, Belgium.,University of Geneva, Geneva, Switzerland
| | | | - Christophe Phillips
- University of Liège, Liège, Belgium.,Fund for Scientific Research-F.R.S.-FNRS, Brussels, Belgium
| | - Steve Majerus
- University of Liège, Liège, Belgium.,Fund for Scientific Research-F.R.S.-FNRS, Brussels, Belgium
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Savill NJ, Cornelissen P, Pahor A, Jefferies E. rTMS evidence for a dissociation in short-term memory for spoken words and nonwords. Cortex 2019; 112:5-22. [DOI: 10.1016/j.cortex.2018.07.021] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 06/26/2018] [Accepted: 07/27/2018] [Indexed: 10/28/2022]
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Abstract
Numerous studies have shown that verbal working memory (vWM) performance is strongly influenced by linguistic knowledge, with items more familiar at sublexical, lexical, and/or semantic levels leading to higher vWM recall performance. Among the many different psycholinguistic variables whose impact on vWM has been studied, the lexical cohort effect is one of the few effects that has not yet been explored. The lexical cohort effect reflects the fact that words sharing their first phonemes with many other words (e.g. alcove, alligator, alcohol…) are typically responded to more slowly as compared to words sharing their first phonemes with a smaller number of words. In a pilot experiment (Experiment 1), we manipulated the lexical cohort effect in an immediate serial recall task and found no effect. Experiment 2 showed that, in a lexical decision task, participants responded more quickly to items stemming from small cohorts, showing that the material used in Experiment 1 allowed for a valid manipulation of the cohort effect. Experiment 3, using stimuli from Experiment 2 associated with maximal cohort effects during lexical decision, failed again to reveal a cohort effect in an immediate serial recall task. We argue that linguistic knowledge impacts vWM performance via continuous interactive activation within the linguistic system, which is not the case for the lexical cohort variable that may influence language processing only at the initial stages of stimulus activation.
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Ho DWL, Kong APH, Koon NT. Verbal short-term memory and language impairments in Cantonese speakers after stroke. INTERNATIONAL JOURNAL OF SPEECH-LANGUAGE PATHOLOGY 2018; 20:383-392. [PMID: 28425814 DOI: 10.1080/17549507.2017.1287218] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Revised: 01/08/2017] [Accepted: 01/20/2017] [Indexed: 06/07/2023]
Abstract
PURPOSE The study examined the relationship between verbal short-term memory (STM) and language impairment in Cantonese speakers after stroke. It is hypothesised that Cantonese speakers with left-hemisphere (LH) stroke would perform worse than those with right hemisphere (RH) stroke and normal controls. Specific linguistic factors of Cantonese might affect results in the tasks. METHOD Fifteen participants with LH stroke, 10 with RH stroke and 25 healthy controls were tested with auditory-verbal immediate serial recall (ISR) tasks and auditory linguistic tasks. All stroke participants were assessed with the Cantonese version of Western Aphasia Battery (CAB). RESULT The LH group performed significantly worse than the RH and healthy control groups in the auditory verbal ISR and auditory linguistic tasks. There were significant lexicality, frequency and imageability effects in most tasks. Auditory discrimination and word comprehension tasks, but not the auditory word recognition task had correlations with ISR tasks. CONCLUSION Verbal STM and language performance of Cantonese-speakers with history of LH stroke were inferior to RH stroke and healthy controls. The effects of lexicality, word frequency and imageability on verbal STM memory performance were found. Cantonese tones have effects on performance in auditory word recognition task, similar to onset, nucleus and rime.
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Affiliation(s)
- Diana Wai-Lam Ho
- a Department of Chinese and Bilingual Studies , The Hong Kong Polytechnic University , Hong Kong SAR, China
| | - Anthony Pak-Hin Kong
- b Department of Communication Sciences and Disorders , University of Central Florida , Orlando , FL , USA , and
| | - Nim-Ting Koon
- c Division of Speech and Hearing Sciences , The University of Hong Kong , Hong Kong SAR, China
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Castellà J, Campoy G. The (lack of) effect of dynamic visual noise on the concreteness effect in short-term memory. Memory 2018; 26:1355-1363. [PMID: 29772951 DOI: 10.1080/09658211.2018.1476550] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
It has been suggested that the concreteness effect in short-term memory (STM) is a consequence of concrete words having more distinctive and richer semantic representations. The generation and storage of visual codes in STM could also play a crucial role on the effect because concrete words are more imaginable than abstract words. If this were the case, the introduction of a visual interference task would be expected to disrupt recall of concrete words. A Dynamic Visual Noise (DVN) display, which has been proven to eliminate the concreteness effect on long-term memory (LTM), was presented along encoding of concrete and abstract words in a STM serial recall task. Results showed a main effect of word type, with more item errors in abstract words, a main effect of DVN, which impaired global performance due to more order errors, but no interaction, suggesting that DVN did not have any impact on the concreteness effect. These findings are discussed in terms of LTM participation through redintegration processes and in terms of the language-based models of verbal STM.
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Affiliation(s)
- Judit Castellà
- a Department of Basic, Developmental, and Educational Psychology , Autonomous University of Barcelona , Bellaterra , Barcelona
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8
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Abstract
The lexicality effect in verbal short-term memory (STM), in which word lists are better recalled than nonwords lists, is considered to reflect the influence of linguistic long-term memory (LTM) knowledge on verbal STM performance. The locus of this effect remains, however, a matter of debate. The redintegrative account considers that degrading phonological traces of memoranda are reconstructed at recall by selecting lexical LTM representations that match the phonological traces. According to a strong version of this account, redintegrative processes should be strongly reduced in recognition paradigms, leading to reduced LTM effects. We tested this prediction by contrasting word and nonword memoranda in a fast encoding probe recognition paradigm. We observed a very strong lexicality effect, with better and faster recognition performance for words as compared to nonwords. These results do not support a strong version of the redintegrative account of LTM effects in STM which considers that these LTM effects would be the exclusive product of reconstruction mechanisms. If redintegration processes intervene in STM recognition tasks, they must be very fast, which at the same time provides support for models considering direct activation of lexico-semantic knowledge during verbal STM tasks.
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Affiliation(s)
- Benjamin Kowialiewski
- a Psychology and Neuroscience of Cognition Research Unit (PsyNCog) , University of Liège , Liège , Belgium.,b Fund for Scientific Research - F.R.S.-FNRS , Brussels , Belgium
| | - Steve Majerus
- a Psychology and Neuroscience of Cognition Research Unit (PsyNCog) , University of Liège , Liège , Belgium.,b Fund for Scientific Research - F.R.S.-FNRS , Brussels , Belgium
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Allen RJ, Hitch GJ, Baddeley AD. Exploring the sentence advantage in working memory: Insights from serial recall and recognition. Q J Exp Psychol (Hove) 2018. [DOI: 10.1177/1747021817746929] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Immediate serial recall of sentences has been shown to be superior to that of unrelated words. This study was designed to further explore how this effect might emerge in recall and to establish whether it also extends to serial recognition, a different form of response task that has relatively reduced output requirements. Using auditory or visual presentation of sequences, we found a substantial advantage for sentences over lists in serial recall, an effect shown on measures of recall accuracy, order, intrusion, and omission errors and reflected in transposition gradients. In contrast however, recognition memory based on a standard change detection paradigm gave only weak and inconsistent evidence for a sentence superiority effect. However, when a more sensitive staircase procedure imported from psychophysics was used, a clear sentence advantage was found although the effect sizes were smaller than those observed in serial recall. These findings suggest that sentence recall benefits from automatic processes that utilise long-term knowledge across encoding, storage, and retrieval.
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Chiou R, Lambon Ralph MA. The anterior-ventrolateral temporal lobe contributes to boosting visual working memory capacity for items carrying semantic information. Neuroimage 2017; 169:453-461. [PMID: 29289617 PMCID: PMC5864511 DOI: 10.1016/j.neuroimage.2017.12.085] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 12/21/2017] [Accepted: 12/27/2017] [Indexed: 11/29/2022] Open
Abstract
Working memory (WM) is a buffer that temporarily maintains information, be it visual or auditory, in an active state, caching its contents for online rehearsal or manipulation. How the brain enables long-term semantic knowledge to affect the WM buffer is a theoretically significant issue awaiting further investigation. In the present study, we capitalise on the knowledge about famous individuals as a ‘test-case’ to study how it impinges upon WM capacity for human faces and its neural substrate. Using continuous theta-burst transcranial stimulation combined with a psychophysical task probing WM storage for varying contents, we provide compelling evidence that (1) faces (regardless of familiarity) continued to accrue in the WM buffer with longer encoding time, whereas for meaningless stimuli (colour shades) there was little increment; (2) the rate of WM accrual was significantly more efficient for famous faces, compared to unknown faces; (3) the right anterior-ventrolateral temporal lobe (ATL) causally mediated this superior WM storage for famous faces. Specifically, disrupting the ATL (a region tuned to semantic knowledge including person identity) selectively hinders WM accrual for celebrity faces while leaving the accrual for unfamiliar faces intact. Further, this ‘semantically-accelerated’ storage is impervious to disruption of the right middle frontal gyrus and vertex, supporting the specific and causative contribution of the right ATL. Our finding advances the understanding of the neural architecture of WM, demonstrating that it depends on interaction with long-term semantic knowledge underpinned by the ATL, which causally expands the WM buffer when visual content carries semantic information.
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Affiliation(s)
- Rocco Chiou
- The Neuroscience and Aphasia Research Unit (NARU), Division of Neuroscience and Experimental Psychology, School of Biological Sciences, University of Manchester, UK.
| | - Matthew A Lambon Ralph
- The Neuroscience and Aphasia Research Unit (NARU), Division of Neuroscience and Experimental Psychology, School of Biological Sciences, University of Manchester, UK.
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11
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A comparison of serial order short-term memory effects across verbal and musical domains. Mem Cognit 2017; 46:464-481. [DOI: 10.3758/s13421-017-0778-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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12
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Norris D. Short-term memory and long-term memory are still different. Psychol Bull 2017; 143:992-1009. [PMID: 28530428 PMCID: PMC5578362 DOI: 10.1037/bul0000108] [Citation(s) in RCA: 95] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 12/08/2016] [Accepted: 04/16/2017] [Indexed: 01/08/2023]
Abstract
A commonly expressed view is that short-term memory (STM) is nothing more than activated long-term memory. If true, this would overturn a central tenet of cognitive psychology-the idea that there are functionally and neurobiologically distinct short- and long-term stores. Here I present an updated case for a separation between short- and long-term stores, focusing on the computational demands placed on any STM system. STM must support memory for previously unencountered information, the storage of multiple tokens of the same type, and variable binding. None of these can be achieved simply by activating long-term memory. For example, even a simple sequence of digits such as "1, 3, 1" where there are 2 tokens of the digit "1" cannot be stored in the correct order simply by activating the representations of the digits "1" and "3" in LTM. I also review recent neuroimaging data that has been presented as evidence that STM is activated LTM and show that these data are exactly what one would expect to see based on a conventional 2-store view. (PsycINFO Database Record
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13
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Savill N, Ellis AW, Jefferies E. Newly-acquired words are more phonologically robust in verbal short-term memory when they have associated semantic representations. Neuropsychologia 2017; 98:85-97. [DOI: 10.1016/j.neuropsychologia.2016.03.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2015] [Revised: 03/01/2016] [Accepted: 03/06/2016] [Indexed: 10/22/2022]
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Macken B, Taylor JC, Kozlov MD, Hughes RW, Jones DM. Memory as embodiment: The case of modality and serial short-term memory. Cognition 2016; 155:113-124. [PMID: 27376662 DOI: 10.1016/j.cognition.2016.06.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Revised: 06/19/2016] [Accepted: 06/22/2016] [Indexed: 11/28/2022]
Abstract
Classical explanations for the modality effect-superior short-term serial recall of auditory compared to visual sequences-typically recur to privileged processing of information derived from auditory sources. Here we critically appraise such accounts, and re-evaluate the nature of the canonical empirical phenomena that have motivated them. Three experiments show that the standard account of modality in memory is untenable, since auditory superiority in recency is often accompanied by visual superiority in mid-list serial positions. We explain this simultaneous auditory and visual superiority by reference to the way in which perceptual objects are formed in the two modalities and how those objects are mapped to speech motor forms to support sequence maintenance and reproduction. Specifically, stronger obligatory object formation operating in the standard auditory form of sequence presentation compared to that for visual sequences leads both to enhanced addressability of information at the object boundaries and reduced addressability for that in the interior. Because standard visual presentation does not lead to such object formation, such sequences do not show the boundary advantage observed for auditory presentation, but neither do they suffer loss of addressability associated with object information, thereby affording more ready mapping of that information into a rehearsal cohort to support recall. We show that a range of factors that impede this perceptual-motor mapping eliminate visual superiority while leaving auditory superiority unaffected. We make a general case for viewing short-term memory as an embodied, perceptual-motor process.
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Affiliation(s)
- Bill Macken
- School of Psychology, Cardiff University, United Kingdom.
| | - John C Taylor
- School of Psychology, Cardiff University, United Kingdom
| | | | - Robert W Hughes
- Department of Psychology, Royal Holloway, University of London, United Kingdom
| | - Dylan M Jones
- School of Psychology, Cardiff University, United Kingdom
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Hamzei F, Vry MS, Saur D, Glauche V, Hoeren M, Mader I, Weiller C, Rijntjes M. The Dual-Loop Model and the Human Mirror Neuron System: an Exploratory Combined fMRI and DTI Study of the Inferior Frontal Gyrus. Cereb Cortex 2015; 26:2215-24. [DOI: 10.1093/cercor/bhv066] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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tDCS to temporoparietal cortex during familiarisation enhances the subsequent phonological coherence of nonwords in immediate serial recall. Cortex 2014; 63:132-44. [PMID: 25282052 DOI: 10.1016/j.cortex.2014.08.018] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Revised: 06/09/2014] [Accepted: 08/27/2014] [Indexed: 11/23/2022]
Abstract
Research has shown that direct current stimulation (tDCS) over left temporoparietal cortex - a region implicated in phonological processing - aids new word learning. The locus of this effect remains unclear since (i) experiments have not empirically separated the acquisition of phonological forms from lexical-semantic links and (ii) outcome measures have focused on learnt associations with a referent rather than phonological stability. We tested the hypothesis that left temporoparietal tDCS would strengthen the acquisition of phonological forms, even in the absence of the opportunity to acquire lexical-semantic associations. Participants were familiarised with nonwords paired with (i) photographs of concrete referents or (ii) blurred images where no clear features were visible. Nonword familiarisation proceeded under conditions of anodal tDCS and sham stimulation in different sessions. We examined the impact of these manipulations on the stability of the phonological trace in an immediate serial recall (ISR) task the following day, ensuring that any effects were due to the influence of tDCS on long-term learning and not a direct consequence of short-term changes in neural excitability. We found that only a few exposures to the phonological forms of nonwords were sufficient to enhance nonword ISR overall compared to entirely novel items. Anodal tDCS during familiarisation further enhanced the acquisition of phonological forms, producing a specific reduction in the frequency of phoneme migrations when sequences of nonwords were maintained in verbal short-term memory. More of the phonemes that were recalled were bound together as a whole correct nonword following tDCS. These data show that tDCS to left temporoparietal cortex can facilitate word learning by strengthening the acquisition of long-term phonological forms, irrespective of the availability of a concrete referent, and that the consequences of this learning can be seen beyond the learning task as strengthened phonological coherence in verbal short-term memory.
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Macken B, Taylor JC, Jones DM. Language and short-term memory: the role of perceptual-motor affordance. J Exp Psychol Learn Mem Cogn 2014; 40:1257-70. [PMID: 24797440 PMCID: PMC4143182 DOI: 10.1037/a0036845] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The advantage for real words over nonwords in serial recall--the lexicality effect--is typically attributed to support for item-level phonology, either via redintegration, whereby partially degraded short-term traces are "cleaned up" via support from long-term representations of the phonological material or via the more robust temporary activation of long-term lexical phonological knowledge that derives from its combination with established lexical and semantic levels of representation. The much smaller effect of lexicality in serial recognition, where the items are re-presented in the recognition cue, is attributed either to the minimal role for redintegration from long-term memory or to the minimal role for item memory itself in such retrieval conditions. We show that the reduced lexicality effect in serial recognition is not a function of the retrieval conditions, but rather because previous demonstrations have used auditory presentation, and we demonstrate a robust lexicality effect for visual serial recognition in a setting where auditory presentation produces no such effect. Furthermore, this effect is abolished under conditions of articulatory suppression. We argue that linguistic knowledge affects the readiness with which verbal material is segmentally recoded via speech motor processes that support rehearsal and therefore affects tasks that involve recoding. On the other hand, auditory perceptual organization affords sequence matching in the absence of such a requirement for segmental recoding and therefore does not show such effects of linguistic knowledge.
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Dukhovny E, Gahl S. Manual motor-plan similarity affects lexical recall on a speech-generating device: implications for AAC users. JOURNAL OF COMMUNICATION DISORDERS 2014; 48:52-60. [PMID: 24630143 DOI: 10.1016/j.jcomdis.2014.02.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2013] [Revised: 02/03/2014] [Accepted: 02/10/2014] [Indexed: 06/03/2023]
Abstract
UNLABELLED Language production via high-tech alternative/augmentative communication (AAC) devices involves use of motor sequences that are determined by the visuo-spatial characteristics of a particular device. The current study uses traditional short-term memory tasks with device-based output to demonstrate that typical talkers show a trend toward device-specific modality interference in short-term device-based recall. The theoretical implications of these early findings with regard to models of working memory and the clinical implications are discussed. LEARNING OUTCOMES (1) Describe two modalities of non-phonological short-term storage, (2) List a potential effect of SGD-based output on modality of short-term word storage, (3) Describe a theoretical implication of device-based representations with regard to models of working memory, and (4) Describe a clinical application of the concept of motor memory in AAC.
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Affiliation(s)
- Elena Dukhovny
- California State University, East Bay, Hayward, CA, United States.
| | - Susanne Gahl
- University of California, Berkeley, Berkeley, CA, United States
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Ueno T, Saito S, Saito A, Tanida Y, Patterson K, Lambon Ralph MA. Not lost in translation: generalization of the primary systems hypothesis to Japanese-specific language processes. J Cogn Neurosci 2014; 26:433-46. [PMID: 24047379 DOI: 10.1162/jocn_a_00467] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
The emergentist-connectionist approach assumes that language processing reflects interaction between primary neural systems (Primary Systems Hypothesis). This idea offers an overarching framework that generalizes to various kinds of (English) language and nonverbal cognitive activities. The current study advances this approach with respect to language in two new and important ways. The first is the provision of a neuroanatomically constrained implementation of the theory. The second is a test of its ability to generalize to a language other than English (in this case Japanese) and, in particular, to a feature of that language (pitch accent) for which there is no English equivalent. A corpus analysis revealed the presence and distribution of typical and atypical accent forms in Japanese vocabulary, forming a quasiregular domain. Consequently, according to the Primary Systems Hypothesis, there should be a greater semantic impact on the processing of words with an atypical pitch accent. In turn, when word meaning is intrinsically less rich (e.g., abstract words), speakers should be prone to regularization errors of pitch accent. We explored these semantic-phonological interactions, first, in a neuroanatomically constrained, parallel-distributed processing model of spoken language processing. This model captured the accent typicality effect observed in nonword repetition in Japanese adults and children and exhibited the predicted semantic impact on repetition of words with atypical accent patterns. Second, also as predicted, in word repetition and immediate serial recall of spoken words, human participants exhibited reduced pitch-accent accuracy and/or slower RT for low imageability words with atypical accent patterns, and they generated accent errors reflecting the more typical accent patterns found in Japanese.
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De-Torres I, Dávila G, Berthier ML, Walsh SF, Moreno-Torres I, Ruiz-Cruces R. Repeating with the right hemisphere: reduced interactions between phonological and lexical-semantic systems in crossed aphasia? Front Hum Neurosci 2013; 7:675. [PMID: 24151460 PMCID: PMC3798981 DOI: 10.3389/fnhum.2013.00675] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2013] [Accepted: 09/26/2013] [Indexed: 11/13/2022] Open
Abstract
Knowledge on the patterns of repetition amongst individuals who develop language deficits in association with right hemisphere lesions (crossed aphasia) is very limited. Available data indicate that repetition in some crossed aphasics experiencing phonological processing deficits is not heavily influenced by lexical-semantic variables (lexicality, imageability, and frequency) as is regularly reported in phonologically-impaired cases with left hemisphere damage. Moreover, in view of the fact that crossed aphasia is rare, information on the role of right cortical areas and white matter tracts underpinning language repetition deficits is scarce. In this study, repetition performance was assessed in two patients with crossed conduction aphasia and striatal/capsular vascular lesions encompassing the right arcuate fasciculus (AF) and inferior frontal-occipital fasciculus (IFOF), the temporal stem and the white matter underneath the supramarginal gyrus. Both patients showed lexicality effects repeating better words than non-words, but manipulation of other lexical-semantic variables exerted less influence on repetition performance. Imageability and frequency effects, production of meaning-based paraphrases during sentence repetition, or better performance on repeating novel sentences than overlearned clichés were hardly ever observed in these two patients. In one patient, diffusion tensor imaging disclosed damage to the right long direct segment of the AF and IFOF with relative sparing of the anterior indirect and posterior segments of the AF, together with fully developed left perisylvian white matter pathways. These findings suggest that striatal/capsular lesions extending into the right AF and IFOF in some individuals with right hemisphere language dominance are associated with atypical repetition patterns which might reflect reduced interactions between phonological and lexical-semantic processes.
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Affiliation(s)
- Irene De-Torres
- Unit of Cognitive Neurology and Aphasia, Centro de Investigaciones, Médico-Sanitarias, University of MálagaMalaga, Spain
- Unit of Physical Medicine and Rehabilitation, Carlos Haya University HospitalMalaga, Spain
| | - Guadalupe Dávila
- Unit of Cognitive Neurology and Aphasia, Centro de Investigaciones, Médico-Sanitarias, University of MálagaMalaga, Spain
- Psychobiology Area, Faculty of Psychology, University of MálagaMalaga, Spain
| | - Marcelo L. Berthier
- Unit of Cognitive Neurology and Aphasia, Centro de Investigaciones, Médico-Sanitarias, University of MálagaMalaga, Spain
| | - Seán Froudist Walsh
- Unit of Cognitive Neurology and Aphasia, Centro de Investigaciones, Médico-Sanitarias, University of MálagaMalaga, Spain
- Department of Psychosis Studies, Institute of Psychiatry, King's Health PartnersKing's College London, UK
| | | | - Rafael Ruiz-Cruces
- Unit of Cognitive Neurology and Aphasia, Centro de Investigaciones, Médico-Sanitarias, University of MálagaMalaga, Spain
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Ueno T, Saito S. The Role of Visual Representations within Working Memory for Paired-Associate and Serial Order of Spoken Words. Q J Exp Psychol (Hove) 2013; 66:1858-72. [DOI: 10.1080/17470218.2013.772645] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Caplan and colleagues have recently explained paired-associate learning and serial-order learning with a single-mechanism computational model by assuming differential degrees of isolation. Specifically, two items in a pair can be grouped together and associated to positional codes that are somewhat isolated from the rest of the items. In contrast, the degree of isolation among the studied items is lower in serial-order learning. One of the key predictions drawn from this theory is that any variables that help chunking of two adjacent items into a group should be beneficial to paired-associate learning, more than serial-order learning. To test this idea, the role of visual representations in memory for spoken verbal materials (i.e., imagery) was compared between two types of learning directly. Experiment 1 showed stronger effects of word concreteness and of concurrent presentation of irrelevant visual stimuli (dynamic visual noise: DVN) in paired-associate memory than in serial-order memory, consistent with the prediction. Experiment 2 revealed that the irrelevant visual stimuli effect was boosted when the participants had to actively maintain the information within working memory, rather than feed it to long-term memory for subsequent recall, due to cue overloading. This indicates that the sensory input from irrelevant visual stimuli can reach and affect visual representations of verbal items within working memory, and that this disruption can be attenuated when the information within working memory can be efficiently supported by long-term memory for subsequent recall.
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Affiliation(s)
- Taiji Ueno
- Department of Cognitive Psychology in Education, Kyoto University, Kyoto, Japan
- School of Psychological Sciences, University of Manchester, Manchester, UK
| | - Satoru Saito
- Department of Cognitive Psychology in Education, Kyoto University, Kyoto, Japan
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Salis C. Short-term memory treatment: Patterns of learning and generalisation to sentence comprehension in a person with aphasia. Neuropsychol Rehabil 2012; 22:428-48. [DOI: 10.1080/09602011.2012.656460] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Papagno C, Vernice M, Cecchetto C. Phonology without semantics? Good enough for verbal short-term memory. Evidence from a patient with semantic dementia. Cortex 2012; 49:626-36. [PMID: 22664140 DOI: 10.1016/j.cortex.2012.04.015] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2011] [Revised: 02/23/2012] [Accepted: 04/24/2012] [Indexed: 11/19/2022]
Abstract
INTRODUCTION There is considerable evidence that long-term knowledge has an influence on short-term memory (STM) performance. This reflects the activation of long-term representations involved in perceiving and comprehending spoken language. Still, this type of long-term knowledge might be of two different kinds. STM performance might be facilitated by information about the meaning of the word, or, alternatively, by familiarity with its phonological form. METHODS We investigated these two alternatives by assessing word span in MC, a patient with semantic dementia. Four different lists of words were used: known words, words whose phonological form was known by the patient although she could not report its meaning, words that the patient did not recognize as words and judged as nonwords, nonwords. The patient's performance was compared to that of six matched controls. RESULTS MC did not differ from controls in the first two types of lists and performed at the same level with both, while for words whose phonological form was unknown (and therefore not recognized as words) her performance was comparable to that with nonwords; also, with this type of item, she produced significantly more phonemic substitutions than controls. CONCLUSIONS The results show that long-term knowledge facilitates immediate serial recall. However, this facilitation is due to familiarity with phonological representations rather than to knowledge of meaning.
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Affiliation(s)
- Costanza Papagno
- Dipartimento di Psicologia, Università di Milano-Bicocca, Italy.
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24
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Paced reading in semantic dementia: Word knowledge contributes to phoneme binding in rapid speech production. Neuropsychologia 2012; 50:723-32. [DOI: 10.1016/j.neuropsychologia.2012.01.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2011] [Revised: 12/08/2011] [Accepted: 01/03/2012] [Indexed: 11/19/2022]
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Abstract
False memory for critical lures has been widely documented in long-term memory using the Deese/Roediger-McDermott paradigm. Recent evidence suggests that false memory effects can also be found in short-term memory (STM), supporting models that assume a strong relationship between short-term and long-term memory processes. However, no study has examined the role of articulatory suppression on immediate false memory, even though phono-articulatory factors are critically involved in STM performance and are an intrinsic part of all STM accounts. The current study proposes a novel paradigm to assess false memory effects in a STM task under both silent and articulatory suppression conditions. Using immediate serial recognition, in which participants had to judge whether two successive mixed lists of six associated and non-associated words were matched, we examined true recognition of matching lists and false recognition of mismatching lists comprising a critical lure or unrelated distractor in two experiments. Results from both experiments indicated reduced true recognition of matching lists and greater false serial recognition of mismatching lists comprising a critical lure under articulatory suppression relative to silence. These findings provide further support for some current models of verbal short-term memory, which posit a strong relationship between short-term and long-term memory processes.
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Affiliation(s)
- Anne-Laure Macé
- Département de Psychologie, Université de Montréal, Québec, Canada
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Tse CS, Li Y, Altarriba J. The effect of semantic relatedness on immediate serial recall and serial recognition. Q J Exp Psychol (Hove) 2011; 64:2425-37. [PMID: 21936644 DOI: 10.1080/17470218.2011.604787] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
The present study examined the effects of semantic relatedness on immediate serial recall and serial recognition. Each participant received either blocked or randomly intermixed serial recall or serial recognition trials. Replicating the findings of previous studies (e.g., Saint-Aubin, Ouellette, & Poirier, 2005), semantic relatedness boosted percentage serial recall but also increased order errors, after taking into account the proportion of correctly recalled items, regardless of their orders, in serial recall trials. In serial recognition trials, participants' responses were slower and less accurate for related lists than for unrelated lists. There were intraindividual correlations among order memory measures in serial recall versus serial recognition trials. The implications of these findings for item redintegration theories are discussed.
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Affiliation(s)
- Chi-Shing Tse
- Department of Educational Psychology, The Chinese University of Hong Kong, Hong Kong, China.
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Jefferies E, Frankish C, Noble K. Strong and long: Effects of word length on phonological binding in verbal short-term memory. Q J Exp Psychol (Hove) 2011; 64:241-60. [DOI: 10.1080/17470218.2010.495159] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
This study examined the effects of item length on the contribution of linguistic knowledge to immediate serial recall (ISR). Long words are typically recalled more poorly than short words, reflecting the greater demands that they place on phonological encoding, rehearsal, and production. However, reverse word length effects—that is, better recall of long than short words—can also occur in situations in which phonological maintenance is difficult, suggesting that long words derive greater support from long-term lexical knowledge. In this study, long and short words and nonwords (containing one vs. three syllables) were presented for immediate serial recall in (a) pure lists and (b) unpredictable mixed lists of words and nonwords. The mixed-list paradigm is known to disrupt the phonological stability of words, encouraging their phonemes to recombine with the elements of other list items. In this situation, standard length effects were seen for nonwords, while length effects for words were absent or reversed. A detailed error analysis revealed that long words were more robust to the mixed-list manipulation than short words: Their phonemes were less likely to be omitted and to recombine with phonemes from other list items. These findings support an interactive view of short-term memory, in which long words derive greater benefits from lexical knowledge than short words—especially when their phonological integrity is challenged by the inclusion of nonwords in mixed lists.
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Acheson DJ, MacDonald MC, Postle BR. The effect of concurrent semantic categorization on delayed serial recall. J Exp Psychol Learn Mem Cogn 2011; 37:44-59. [PMID: 21058880 PMCID: PMC3081404 DOI: 10.1037/a0021205] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The influence of semantic processing on the serial ordering of items in short-term memory was explored using a novel dual-task paradigm. Participants engaged in 2 picture-judgment tasks while simultaneously performing delayed serial recall. List material varied in the presence of phonological overlap (Experiments 1 and 2) and in semantic content (concrete words in Experiment 1 and 3; nonwords in Experiments 2 and 3). Picture judgments varied in the extent to which they required accessing visual semantic information (i.e., semantic categorization and line orientation judgments). Results showed that, relative to line-orientation judgments, engaging in semantic categorization judgments increased the proportion of item-ordering errors for concrete lists but did not affect error proportions for nonword lists. Furthermore, although more ordering errors were observed for phonologically similar relative to dissimilar lists, no interactions were observed between the phonological overlap and picture-judgment task manipulations. These results demonstrate that lexical-semantic representations can affect the serial ordering of items in short-term memory. Furthermore, the dual-task paradigm provides a new method for examining when and how semantic representations affect memory performance.
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Affiliation(s)
- Daniel J Acheson
- Department of Psychology, University of Wisconsin-Madison, 1202 West Johnson Street, Madison, WI 53706, USA
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Purser H, Jarrold C. Short- and long-term memory contributions to immediate serial recognition: Evidence from serial position effects. Q J Exp Psychol (Hove) 2010; 63:679-93. [DOI: 10.1080/17470210903067635] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
A long-standing body of research supports the existence of separable short- and long-term memory systems, relying on phonological and semantic codes, respectively. The aim of the current study was to measure the contribution of long-term knowledge to short-term memory performance by looking for evidence of phonologically and semantically coded storage within a short-term recognition task, among developmental samples. Each experimental trial presented 4-item lists. In Experiment 1 typically developing children aged 5 to 6 years old showed evidence of phonologically coded storage across all 4 serial positions, but evidence of semantically coded storage at Serial Positions 1 and 2. In a further experiment, a group of individuals with Down syndrome was investigated as a test case that might be expected to use semantic coding to support short-term storage, but these participants showed no evidence of semantically coded storage and evidenced phonologically coded storage only at Serial Position 4, suggesting that individuals with Down syndrome have a verbal short-term memory capacity of 1 item. Our results suggest that previous evidence of semantic effects on “short-term memory performance” does not reflect semantic coding in short-term memory itself, and provide an experimental method for researchers wishing to take a relatively pure measure of verbal short-term memory capacity, in cases where rehearsal is unlikely.
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Affiliation(s)
- Harry Purser
- Birkbeck College, University of London, London, UK
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30
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Abstract
Word frequency and word concreteness are language attributes that have been shown to independently influence the recall of items in verbal short-term memory (STM). It has been argued that such effects are evidence for the action of long-term memory knowledge on STM traces. However, research to date has not investigated whether these variables interact in serial recall. In two experiments, we examined the behavior of these variables under factorial manipulation and demonstrated that the effect of word frequency is dependent on the level of concreteness of items. Serial recall performance is examined with reference to two explanatory approaches: Walker and Hulme's (1999) dual-redintegration account and language-based models of STM. The data indicate that language-based models are more compatible with the observed effects and challenge the view that frequency and concreteness effects in STM are the products of distinct mechanisms.
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Delogu F, Raffone A, Belardinelli MO. Semantic encoding in working memory: Is there a (multi)modality effect? Memory 2009; 17:655-63. [DOI: 10.1080/09658210902998054] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Chassé V, Belleville S. Input and output modes modulate phonological and semantic contributions to immediate serial recall: evidence from a brain-damaged patient. Cogn Neuropsychol 2009; 26:195-216. [PMID: 19418315 DOI: 10.1080/02643290902868534] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Psycholinguistic models of short-term retention suggest that performance at verbal short-term memory (STM) tasks relies on the activation of phonological, lexical, and semantic representations, the relative impact of each depending on task variables. This was tested in normal individuals and in I.R., a brain-damaged patient with a phonological deficit. In Experiment 1, the effect of phonological and semantic similarity was assessed under different presentation formats (words, pictures) and recall modes (oral, picture pointing, and picture pointing among distractors). In Experiment 2, effects were compared using reproduction and reconstruction responses. When words were used at input, controls showed robust phonological similarity effects irrespective of response mode. In contrast, I.R. showed a reliable semantic effect. However, both studies indicated that when response mode promoted order recuperation (reconstruction and picture pointing modes), I.R. showed a typical phonological similarity effect with no semantic contribution. The data support current psycholinguistic views suggesting that the short-term retention of verbal items depends on the temporary activation of word representations. In healthy controls, presentation mode appears to modulate the role of those representations but in I.R., it was the output condition--particularly whether order was or was not required--that was found to be crucial with respect to the appearance of semantic or phonological effects. This supports the important role that order information plays in short-term memory tasks.
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Affiliation(s)
- Véronique Chassé
- Centre de Recherche en Neuropsychologie et Cognition and Centre de Recherche de l'Institut Universitaire de Geriatrie de Montreal, Universite de Montreal, Montreal, Quebec, Canada
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Jefferies E, Frankish C, Noble K. Lexical coherence in short-term memory: strategic reconstruction or "semantic glue"? Q J Exp Psychol (Hove) 2009; 62:1967-82. [PMID: 19255945 DOI: 10.1080/17470210802697672] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
This study explores the foundation of lexical/semantic phoneme binding effects in verbal short-term memory (STM). The immediate serial recall of pure lists of words and nonwords was compared with the recall of mixed lists that had either a predictable, alternating structure (e.g., wnwnwn) or an unpredictable structure (i.e., the serial positions of the words/nonwords could not be known in advance). The study provides evidence for two separate mechanisms by which long-term linguistic knowledge contributes to STM. First, there was evidence for automatic lexical/semantic binding effects that were independent of knowledge of lexical status. The nonwords in both types of mixed list damaged word recall and encouraged the phonological elements of words to migrate. In both alternating and unpredictable mixed lists, the phonemes of words were more likely than the phonemes of nonwords to be recalled together as a coherent item, suggesting that lexical/semantic knowledge encourages the phonological elements of words to emerge together in immediate serial recall, even when lexical status is unknown. Secondly, there was evidence for "strategic redintegration", which was dependent on prior knowledge of the lexical status of the items in mixed lists. When participants recalled items that they knew to be words in advance, they were able to use this knowledge to constrain their responses so that they were more likely to be lexically appropriate. These findings motivate modifications to current theories of the interaction between linguistic knowledge and verbal short-term memory.
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Acheson DJ, MacDonald MC. Verbal working memory and language production: Common approaches to the serial ordering of verbal information. Psychol Bull 2009; 135:50-68. [PMID: 19210053 PMCID: PMC3000524 DOI: 10.1037/a0014411] [Citation(s) in RCA: 154] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Verbal working memory (WM) tasks typically involve the language production architecture for recall; however, language production processes have had a minimal role in theorizing about WM. A framework for understanding verbal WM results is presented here. In this framework, domain-specific mechanisms for serial ordering in verbal WM are provided by the language production architecture, in which positional, lexical, and phonological similarity constraints are highly similar to those identified in the WM literature. These behavioral similarities are paralleled in computational modeling of serial ordering in both fields. The role of long-term learning in serial ordering performance is emphasized, in contrast to some models of verbal WM. Classic WM findings are discussed in terms of the language production architecture. The integration of principles from both fields illuminates the maintenance and ordering mechanisms for verbal information.
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Affiliation(s)
- Daniel J Acheson
- Department of Psychology, University of Wisconsin, Madison, WI 53706, USA
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Abstract
OBJETIVO: investigar a influência do modo de apresentação do estímulo lingüístico sobre a memória de trabalho fonológica. MÉTODOS: avaliaram-se 27 escolares (59,25% meninas) entre sete anos, sete meses e oito anos, sete meses, da 2ª série do Ensino Fundamental de Escola Pública, sem histórico de retenção, ou queixas de déficits neurológicos, cognitivos ou auditivos. Passaram na Avaliação Simplificada do Processamento Auditivo e foram submetidos à tarefa de repetição de sílabas ou pseudopalavras. Os estímulos foram gravados e apresentados como: I) fluentes: lista de pseudopalavras, com intervalos de dez segundos entre uma e outra, apresentada a 13 escolares, e II) silabados, lista apresentada a 14 escolares, com intervalo de um segundo entre cada sílaba e dez segundos entre cada seqüência. As repetições foram transcritas, os erros assinalados e comparados segundo o sexo e o modo de apresentação do estímulo. RESULTADOS: na análise geral do desempenho notou-se diferença, com melhor desempenho na apresentação da lista II e, a partir dos estímulos de cinco sílabas, maiores porcentagens de acerto na apresentação da lista I, quando comparada à II. A comparação entre os sexos mostrou diferença significante para estímulos de cinco sílabas na análise geral e da lista II, com melhores resultados dos meninos. CONCLUSÃO: não houve diferença de desempenho até a extensão de quatro sílabas. A apresentação na forma fluente facilitou o desempenho da memória fonológica de trabalho dos escolares do sexo masculino e feminino quando os estímulos apresentados foram mais extensos.
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Caza N, Belleville S. Reduced short-term memory capacity in Alzheimer's disease: The role of phonological, lexical, and semantic processing. Memory 2008; 16:341-50. [PMID: 18432479 DOI: 10.1080/09658210701881758] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Semantic contribution to verbal short-term memory: Are pleasant words easier to remember than neutral words in serial recall and serial recognition? Mem Cognit 2008; 36:35-42. [DOI: 10.3758/mc.36.1.35] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Cotelli M, Borroni B, Manenti R, Ginex V, Calabria M, Moro A, Alberici A, Zanetti M, Zanetti O, Cappa SF, Padovani A. Universal grammar in the frontotemporal dementia spectrum: evidence of a selective disorder in the corticobasal degeneration syndrome. Neuropsychologia 2007; 45:3015-23. [PMID: 17640688 DOI: 10.1016/j.neuropsychologia.2007.05.012] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2006] [Revised: 04/20/2007] [Accepted: 05/29/2007] [Indexed: 11/24/2022]
Abstract
INTRODUCTION While sentence comprehension has been reported to be defective in frontotemporal dementia (FTD), it is still unclear if this disorder reflects the presence of syntactic impairment, or may be attributed to other factors, such as executive or working memory dysfunction. In order to assess the status of syntactic knowledge in a group of patients belonging to the FTD spectrum, we investigated their ability to detect violations of Universal Grammar principles in a sentence judgement task. METHODS The group included four semantic dementia patients (SD), nine frontal variant of FTD patients (FvFTD), 15 progressive supranuclear palsy (PSP) patients, and 11 corticobasal degeneration syndrome (CBDS) patients. Their performance was compared to a group of 10 patients with mild probable Alzheimer disease (AD) and to 10 healthy volunteers. The patients underwent a standard aphasia test and a sentence comprehension test. The experimental study included five kinds of violations: semantic coherence (SC), verb-subject agreement (VSAgr), pronominalization involving clitic movement (ClM), interrogatives (WhS) and contrastive focus constructions (CFC). RESULTS The FTD patients performed within normal range in the aphasia test, and in the sentence comprehension test. Within the FTD subgroups, only patients with CBDS were significantly impaired in detecting three of the five kinds of violations. AD patients were also impaired in the detection of WhS and SC anomalies and in sentence comprehension. DISCUSSION The present findings indicate that, within the FTD spectrum, an impairment of syntactic knowledge can be found only in CBDS patients, even in the absence of clinical evidence of aphasia.
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Affiliation(s)
- Maria Cotelli
- IRCCS, S. Giovanni di Dio-Fatebenefratelli, Brescia, Italy
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