References of "Martinez Perez, Trecy"
     in
Bookmark and Share    
Full Text
See detailEBP : grille de mots croisés
Durieux, Nancy ULg; Martinez Perez, Trecy ULg

in Cahiers de l'ASELF (2013), 10(4), 30-3136

Detailed reference viewed: 38 (10 ULg)
Full Text
See detailSpontaneous language of extremely premature children : Specific deficits in an informative language task
Martinez Perez, Trecy ULg; Grooteclaes, Vanessa; Docquier, Laurence et al

Poster (2013, June 24)

Detailed reference viewed: 13 (1 ULg)
Full Text
See detailEBP : Zoom sur la COCHRANE et l’ASHA
Martinez Perez, Trecy ULg; Durieux, Nancy ULg

in Cahiers de l'ASELF (2013), 10(2), 14-18

Detailed reference viewed: 28 (5 ULg)
Full Text
Peer Reviewed
See detailImpaired short-term memory for order in adults with dyslexia
Martinez Perez, Trecy ULg; Majerus, Steve ULg; Poncelet, Martine ULg

in Research in Developmental Disabilities (2013), 34

Verbal short-term memory (STM) deficits are consistently associated with dyslexia, but the nature of these deficits remains poorly understood. This study used the distinction between item and order ... [more ▼]

Verbal short-term memory (STM) deficits are consistently associated with dyslexia, but the nature of these deficits remains poorly understood. This study used the distinction between item and order retention processes to achieve a better understanding of STM deficits in adults with dyslexia. STM for item information has been shown to depend on the quality of underlying phonological representations, and hence should be impaired in dyslexia, which is characterized by poorly developed phonological representations. On the other hand, STM for order information is considered to reflect core STM processes, which are independent from language processing. Thirty adults with dyslexia and thirty control participants matched for age, education, vocabulary, and IQ were presented STM tasks, which distinguished item and order STM capacities. We observed not only impaired order STM in adults with dyslexia, but this impairment was independent of item STM impairment. This study shows that adults with dyslexia present a deficit in core verbal STM processes, a deficit which cannot be accounted for by the language processing difficulties that characterize dyslexia. Moreover, these results support recent theoretical accounts considering independent order STM and item STM processes, with a potentially causal involvement of order STM processes in reading acquisition. [less ▲]

Detailed reference viewed: 101 (10 ULg)
Full Text
Peer Reviewed
See detailEvidence for a specific impairment of serial order short-term memory in dyslexic children
Martinez Perez, Trecy ULg; Majerus, Steve ULg; Mahot, Aline et al

in Dyslexia : The Journal of the British Dyslexia Association (2012), 18(2), 94-109

Detailed reference viewed: 259 (27 ULg)
Full Text
Peer Reviewed
See detailAttention Supports Verbal Short-Term Memory via Competition between Dorsal and Ventral Attention Networks.
Majerus, Steve ULg; Attout, Lucie ULg; D'Argembeau, Arnaud ULg et al

in Cerebral Cortex (2012), 22

Interactions between the neural correlates of short-term memory (STM) and attention have been actively studied in the visual STM domain but much less in the verbal STM domain. Here we show that the same ... [more ▼]

Interactions between the neural correlates of short-term memory (STM) and attention have been actively studied in the visual STM domain but much less in the verbal STM domain. Here we show that the same attention mechanisms that have been shown to shape the neural networks of visual STM also shape those of verbal STM. Based on previous research in visual STM, we contrasted the involvement of a dorsal attention network centered on the intraparietal sulcus supporting task-related attention and a ventral attention network centered on the temporoparietal junction supporting stimulus-related attention. We observed that, with increasing STM load, the dorsal attention network was activated while the ventral attention network was deactivated, especially during early maintenance. Importantly, activation in the ventral attention network increased in response to task-irrelevant stimuli briefly presented during the maintenance phase of the STM trials but only during low-load STM conditions, which were associated with the lowest levels of activity in the dorsal attention network during encoding and early maintenance. By demonstrating a trade-off between task-related and stimulus-related attention networks during verbal STM, this study highlights the dynamics of attentional processes involved in verbal STM. [less ▲]

Detailed reference viewed: 135 (30 ULg)
Full Text
Peer Reviewed
See detailTwo distinct origins of long-term learning effects in verbal short-term memory
Majerus, Steve ULg; Martinez Perez, Trecy ULg; Oberauer, Klaus

in Journal of Memory & Language (2012), 66

Verbal short-term memory (STM) is highly sensitive to learning effects: digit sequences or nonword sequences which have been rendered more familiar via repeated exposure are recalled more accurately. In ... [more ▼]

Verbal short-term memory (STM) is highly sensitive to learning effects: digit sequences or nonword sequences which have been rendered more familiar via repeated exposure are recalled more accurately. In this study we show that sublist-level, incidental learning of item co-occurrence regularities affects immediate serial recall of words and nonwords, but not digits. In contrast, list-level chunk learning affects serial recall of digits. In a first series of experiments, participants heard a continuous sequence of digits in which the co-occurrence of digits was governed by an artificial grammar. In a subsequent STM test participants recalled lists that were legal or illegal according to the rules of the artificial grammar. No advantage for legal lists over illegal lists was observed. A second series of experiments used the same incidental learning procedure with nonwords or non-digit words. An advantage for legal versus illegal list recall was observed. A final experiment used an incidental learning task repeating whole lists of digits; this led to a substantial recall advantage for legal versus illegal digit lists. These data show that serial recall of non-digit words is supported by sublist-level probabilistic knowledge, whereas serial recall of digits is only supported by incidental learning of whole lists. [less ▲]

Detailed reference viewed: 215 (22 ULg)
Full Text
Peer Reviewed
See detailThe contribution of short-term memory for serial order to early reading acquisition: Evidence from a longitudinal study
Martinez Perez, Trecy ULg; Majerus, Steve ULg; Poncelet, Martine ULg

in Journal of Experimental Child Psychology (2012), 111

Early reading acquisition skills have been linked to verbal short-term memory (STM) capacity. However, the nature of this relationship remains controversial, since verbal STM, like reading acquisition ... [more ▼]

Early reading acquisition skills have been linked to verbal short-term memory (STM) capacity. However, the nature of this relationship remains controversial, since verbal STM, like reading acquisition, depends upon the complexity of underlying phonological processing skills. This longitudinal study addressed the relation between STM and reading decoding acquisition by distinguishing between STM for item and STM for order information, based on recent studies showing that STM for item information recruits underlying phonological representations, but not STM for order information. If there is a specific link between STM and reading decoding acquisition, STM for order information should be an independent predictor of reading decoding acquisition. Tasks maximizing STM for serial order or item information, measures of phonological abilities and reading tests were administered to children followed from kindergarten through 1st grade. We observed that order STM capacity but not item STM capacity predicted independent variance in reading decoding abilities one year later. These results highlight the specific role of STM for order in reading decoding acquisition, and argue for a causal role of order STM capacity in reading acquisition. Mechanisms relating STM for order information and reading acquisition will be discussed. [less ▲]

Detailed reference viewed: 199 (17 ULg)
Full Text
See detailSpecific contribution of short-term memory for serial order information to early reading acquisition: A longitudinal study
Martinez Perez, Trecy ULg; Majerus, Steve ULg; Poncelet, Martine ULg

Poster (2011, June 02)

Early reading acquisition skills have been linked to verbal short-term memory (STM) capacity. However, the nature of this relationship remains controversial. Here we distinguished between STM for item and ... [more ▼]

Early reading acquisition skills have been linked to verbal short-term memory (STM) capacity. However, the nature of this relationship remains controversial. Here we distinguished between STM for item and order information based on recent studies showing that STM for order is an important and independent predictor of oral language development. Tasks maximizing STM for serial-order or item information and reading tests were administered to 42 children from kindergarten through 1st grade. Results showed that order STM capacity measured at kindergarten predicted phonological recoding abilities at 1st grade. Implications of poor serial-order STM for reading acquisition in dyslexia are discussed. [less ▲]

Detailed reference viewed: 66 (16 ULg)
Full Text
See detailLecture et habiletés phonologiques associées chez l’adulte dyslexique
Martinez Perez, Trecy ULg; Majerus, Steve ULg; Poncelet, Martine ULg

in Lederlé, E (Ed.) Les troubles du langage écrits : Regards croisés (2011)

Detailed reference viewed: 75 (19 ULg)
Full Text
See detailImpaired verbal short-term memory for serial order information in dyslexic adults
Martinez Perez, Trecy ULg; Majerus, Steve ULg; Poncelet, Martine ULg

Poster (2010, September 10)

This study used the distinction of item and order information in verbal short-term memory (STM) to further our understanding of verbal STM impairments in dyslexia. Item STM has been shown to depend on the ... [more ▼]

This study used the distinction of item and order information in verbal short-term memory (STM) to further our understanding of verbal STM impairments in dyslexia. Item STM has been shown to depend on the quality of underlying phonological representations and hence should be impaired in dyslexic participants given their poor phonological processing abilities. On the other hand, order STM represents a specific STM capacity predicting learning capacity for new phonological and orthographic sequences (Majerus et al., 2006; Nithart et al, 2010). If STM impairments contribute to dyslexia, then especially order STM should be impaired, in addition to item STM. [less ▲]

Detailed reference viewed: 83 (16 ULg)
Full Text
Peer Reviewed
See detailThe commonality of neural networks for verbal and visual short-term memory.
Majerus, Steve ULg; D'Argembeau, Arnaud ULg; Martinez Perez, Trecy ULg et al

in Journal of Cognitive Neuroscience (2010), 22(11), 2570-2593

Although many neuroimaging studies have considered verbal and visual short-term memory (STM) as relying on neurally segregated short-term buffer systems, the present study explored the existence of shared ... [more ▼]

Although many neuroimaging studies have considered verbal and visual short-term memory (STM) as relying on neurally segregated short-term buffer systems, the present study explored the existence of shared neural correlates supporting verbal and visual STM. We hypothesized that networks involved in attentional and executive processes, as well as networks involved in serial order processing, underlie STM for both verbal and visual list information, with neural specificity restricted to sensory areas involved in processing the specific items to be retained. Participants were presented sequences of nonwords or unfamiliar faces, and were instructed to maintain and recognize order or item information. For encoding and retrieval phases, null conjunction analysis revealed an identical fronto-parieto-cerebellar network comprising the left intraparietal sulcus, bilateral dorsolateral prefrontal cortex, and the bilateral cerebellum, irrespective of information type and modality. A network centered around the right intraparietal sulcus supported STM for order information, in both verbal and visual modalities. Modality-specific effects were observed in left superior temporal and mid-fusiform areas associated with phonological and orthographic processing during the verbal STM tasks, and in right hippocampal and fusiform face processing areas during the visual STM tasks, wherein these modality effects were most pronounced when storing item information. The present results suggest that STM emerges from the deployment of modality-independent attentional and serial ordering processes toward sensory networks underlying the processing and storage of modality-specific item information. [less ▲]

Detailed reference viewed: 191 (68 ULg)
Full Text
See detailRétention de l’ordre sériel en mémoire verbale à court-terme chez des adultes dyslexiques
Martinez Perez, Trecy ULg; Poncelet, Martine ULg; Majerus, Steve ULg

Poster (2009, December 04)

Les difficultés en mémoire verbale à court terme (MCTV) chez les dyslexiques sont interprétées comme le reflet de représentations phonologiques déficitaires (voir Snowling, 2000). Cependant, leurs ... [more ▼]

Les difficultés en mémoire verbale à court terme (MCTV) chez les dyslexiques sont interprétées comme le reflet de représentations phonologiques déficitaires (voir Snowling, 2000). Cependant, leurs capacités en MCTV sont généralement évaluées au moyen de tâches classiques (tâches d'empan) qui ne permettent pas de dissocier le stockage de l'information relative à l'identité des items (information « item ») du stockage de l'information concernant l'ordre de présentation de ces items (information « ordre sériel ») (Majerus et al., 2006). Or, ces deux aspects de la MCTV pourraient être différentiellement liés à l'apprentissage du langage écrit et être tous deux déficitaires dans la dyslexie. L’objectif de cette étude est de déterminer si les dyslexiques présentent des difficultés en MCTV non seulement pour l'information « item » mais également pour l'ordre sériel.  [less ▲]

Detailed reference viewed: 207 (31 ULg)
Full Text
See detailPhonological impairment as a decay-based impairment : New evidence from a single case study
Martinez Perez, Trecy ULg; Poncelet, Martine ULg; Boniver, Celine ULg et al

Poster (2009, October 19)

Computational models of language processing such as the Martin and Saffran (1992) model assume two properties underlying language processing: decay rate of activated representations and strength of ... [more ▼]

Computational models of language processing such as the Martin and Saffran (1992) model assume two properties underlying language processing: decay rate of activated representations and strength of activation spread between phonological, lexical and semantic levels of representation. Despite the theoretical and epistemological advantages of these models, as opposed to box-and-arrow type models, empirical evidence for these models is currently based on a very limited number of case studies (e.g., patient NC, Martin & Saffran, 1992; patient CO, Majerus et al., 2001). We present here a new single case study providing further support for the existence of decay rate impairments as an underlying cause of language impairment. [less ▲]

Detailed reference viewed: 71 (16 ULg)
Full Text
See detailA theoretically motivated approach of receptive language assessment based on an interactive spreading activation account of language processing
Martinez Perez, Trecy ULg; Majerus, Steve ULg; Delvenne, Marie-Anne ULg et al

Poster (2009, June 03)

In French language, existing tests do not provide a sensitive assessment of auditory comprehension impairments in aphasic patients. These tests don’t detect slight deficits because their a limited number ... [more ▼]

In French language, existing tests do not provide a sensitive assessment of auditory comprehension impairments in aphasic patients. These tests don’t detect slight deficits because their a limited number of tasks and items. Our aim was to construct a series of more sensible tasks to assess auditory perception. Our battery consists on of phonological, lexical, semantic and verbal short-term memory tasks with a high number of items for each test. The computerization of tasks allows to measure correct answers and time latency and allows a standardized assessment. Our poster will focus on our assessment tasks of auditory comprehension, performances pattern of our aphasic patient and underlying theoretical models. [less ▲]

Detailed reference viewed: 74 (26 ULg)
Full Text
Peer Reviewed
See detailNeural networks for short-term memory for order differentiate high and low proficiency bilinguals
Majerus, Steve ULg; Belayachi, Sanaa ULg; De Smedt, Bert et al

in NeuroImage (2008), 42

Detailed reference viewed: 119 (29 ULg)