Mélanie Jucla

Mélanie Jucla
Université Toulouse - Jean Jaurès | UTM · Unité de recherche interdisciplinaire OCTOGONE

PhD in Language Sciences

About

53
Publications
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Introduction
Mélanie Jucla is currently working at the "Laboratoire de NeuroPsychoLinguistique" (formerly Octogone-Lordat), University Toulouse II - Jean Jaurès. Mélanie does research in neurolinguistics, psycholinguistics and cognitive sciences. Her main current project - funded by the French National Research Agency - is FluD4 which aims at studying fluency and disfluencies in neurodegenerative diseases with or without a history of neurodevelopmental disorders.

Publications

Publications (53)
Article
Full-text available
This scoping review aims at giving an overview of the possible influence of neurodevelopmental disorders (NDDs) on cognitive-behavioral neurodegenerative diseases (CBNDs). Based on the PRISMA-ScR checklist, it details the methods of NDDs screening, the identified NDDs-CBNDs associations, as well as the criteria and types of association. The last li...
Article
Background Disfluency is a multifactorial concept that can be linked to several of the language production levels, in both typical and atypical populations. In children, the language system is still developing and few studies have explored disfluency patterns. In typical development (TD), in particular, studies have shown discrepancies according to...
Poster
Full-text available
Rhythm is defined as the repetition of external stimuli occurring at regular intervals. Some studies showed that brain oscillations are modified during perception of rhythmic stimuli by either their tempo (low, medium, fast) or their sensory modality (auditory, visual, audio-visual). Moreover, electroencephalographic (EEG) studies highlighted a des...
Article
Background: Since 1990's, the cognitive profile of children with a neurofibromatosis type 1 (NF1) has been refined by many different studies. Children with NF1 may exhibit a variety of cognitive dysfunctions. Memory difficulties have been reported, but the results are contradictory and, compared to other cognitive functions, memory has been less e...
Poster
Le rythme peut se définir comme la répétition d’un stimulus apparaissant à intervalle régulier. Le tempo et la modalité des stimuli peuvent faciliter la synchronisation à des rythmes. Ces mêmes facteurs pourraient moduler la perception de rythmes, mesurée par les activations cérébrales des régions motrices. Cette étude explore les réponses cérébral...
Article
Full-text available
Language is usually characterized as the most preserved cognitive function during typical aging. Several neuroimaging studies have shown that healthy aging is characterized by inter-network compensation which correlates with better language performance. On the contrary, language deficits occur early in the course of Alzheimer’s disease (AD). Theref...
Article
Disfluencies may reflect various mechanisms: word-finding difficulties, planning strategies, inter-individual cognitive variability, etc. In the current paper, we examined disfluency production in patients with a behavioural variant of Frontotemporal lobar degeneration (bvFTLD), compared to patients with Alzheimer’s disease (AD) and healthy older a...
Poster
Sensorimotor synchronization (SMS) is a natural healthy human skill and is particularly accurate andstable with auditory or audio-visual compared to visual rhythmic stimuli. However, inter-individual differences exist in rhythmic abilities, probably due to the intervention of cognitive functions such as attention. In thepresent study, we aimed to t...
Article
Full-text available
Today's estimates indicate that nearly 50% of children with Neurofibromatosis type 1 (NF1) suffer from reading disabilities, with a high impact on their academic achievement. In addition to the well-documented importance of phonological skills in reading acquisition and neurodevelopmental disorders, visual-attention processes also appear as importa...
Preprint
Disfluencies may reflect various mechanisms: word finding difficulties, planning strategies, inter- individual cognitive variability, etc. In the current paper, we examined disfluency production in patients with behavioural variant of Frontotemporal lobar degeneration (bvFTLD), compared to patients with Alzheimer’s disease (AD) and healthy older ad...
Article
Full-text available
The present study investigates procedural learning of motor sequences in children with developmental coordination disorder (DCD) and/or developmental dyslexia (DD), typically-developing children (TD) and healthy adults with a special emphasis on (1) the role of the nature of stimuli and (2) the neuropsychological functions associated to final perfo...
Presentation
Sensorimotor synchronization (SMS) to rhythmic stimuli is a natural human skill. In adults, accuracy and stability of SMS depend on several factors such as the modality of stimuli (Repp & Su, 2013). SMS is more stable with audio-visual compared to auditory or visual stimuli (Blais et al., 2015). It remains to know if this effect is affected by the...
Poster
Les dysfonctionnements cognitifs sont fréquemment signalés par les patients qui souffrent d’une pathologie neurologique. Parmi les difficultés cognitives rapportées, nous retrouvons des troubles du langage appelés aphasie. L’identification des troubles phasiques nécessite une évaluation spécifique par le biais de tests lexicaux, évaluant l’accès au...
Article
Full-text available
Background: Language production deficits occur early in the course of Alzheimer's disease (AD); however, only a few studies have focused on language network's functional connectivity in mild cognitive impairment (MCI) due to AD. Objective: The current study aims to uncover the extent of language alteration at the MCI stage, at a behavioral and n...
Article
Full-text available
This study investigates the procedural learning, retention, and reactivation of temporal sensorimotor sequences in children with and without developmental coordination disorder (DCD). Twenty typically-developing (TD) children and 12 children with DCD took part in this study. The children were required to tap on a keyboard, synchronizing with audito...
Article
Studies have suggested a dysfunction in oculomotor skills in children with developmental coordination disorder (DCD). It has been proposed that the Developmental Eye Movement (DEM) test is useful in testing the dyslexics' (DD) oculomotor behavior during reading, in a simple and indirect manner. The present study aimed at exploring the oculomotor be...
Preprint
Full-text available
Language production deficits occur early in the course of Alzheimer’s disease (AD); however, only few studies have focused on language functional networks in prodromal AD. The current study aims to uncover the extent of language alteration at a prodromal stage, on a behavioral, structural and functional level, using univariate and multivariate anal...
Article
Although language is quite preserved from aging, it remains unclear whether age-related differences lead to a deterioration or reorganization in language functional networks, or to different dynamics with other domains (e.g. the Multiple-Demand system). The current study is aimed at examining language networks, using resting-state fMRI in typical a...
Article
Objective Many studies report a deficit in working memory in children with Developmental Dyslexia (DD) and Developmental Coordination Disorder (DCD) compared to children with Typical Development (TD). In this study, we questioned the working memory profile of children with co-occurring Developmental Dyslexia and Developmental Coordination Disorder...
Article
Rhythmic abilities are impaired in Developmental Coordination Disorder (DCD) but learning deficit of procedural skills implying temporal sequence is still unclear. Current contradictory results suggest that procedural learning deficits in DCD highly depends on learning conditions. The present study proposes to test the role of sensory modality of s...
Article
Background: In contrast to most memory systems that decline with age, semantic memory tends to remain relatively stable across the life span. However, what exactly is stable remains unclear. Is it the quantity of information available or the organization of semantic memory, i.e., the connections between semantic items? Even less is known about sema...
Article
Full-text available
Recent studies on written word production aim at studying how information is transmitted between central (linguistic) and peripheral (motor) processes. Neurocognitive models propose that the interface between both types of processes would rely on a frontal writing center (i.e. the GMFA or “Exner’s area”). However there is still debate (1) whether t...
Article
Full-text available
Lexical-semantic impairment is one of the earliest symptoms of Alzheimer's disease (AD) and is usually examined by single word processing tasks. During speech production, pauses are often investigated as a hallmark of a patient's lexical-semantic decline. In the current study, we put forward the hypothesis that pauses reflect different processes ac...
Article
Full-text available
Background: Alzheimer's disease is characterized by macrolinguistic changes. This decline is often analyzed with quantitative scales. Aims: To analyze discourse production in early Alzheimer's disease (AD) and to identify qualitative markers of macrolinguistic decline. Methods & procedures: We analyzed macrolinguistic features of a clinical na...
Conference Paper
Today’s estimates indicate that 30-60% of Neurofibromatosis type 1 (NF1) children suffer from learning disorder, including reading disabilities, secondary to language and/or visuospatial deficits (Chaix et al., 2017) with a profound impact on their academic achievement (Krab et al., 2008). Some studies suggest a delay in the maturation of low-lev...
Conference Paper
Full-text available
et al.. Automatic analysis of word association data from the Evolex psycholinguistic tasks using computational lexical semantic similarity measures. Abstract. This paper is the fruit of a multidisciplinary project gathering researchers in Psycholinguistics, Neuropsychology, Computer Science, Natural Language Processing and Linguistics. It proposes...
Article
Les troubles du langage sont toujours observés dans la maladie d’Alzheimer (MA) classique. S’ils apparaissent parfois au second plan, ils peuvent aussi constituer les principaux symptômes de la MA, dessinant un tableau clinique de maladie d’Alzheimer atypique, l’aphasie primaire progressive logopénique. D’une manière générale, la présence d’un trou...
Poster
Full-text available
Developmental Dyslexia (DD) is a complex and heterogeneous learning disability frequently associated with other neurodevelopmental disorders, such as Developmental Coordination Disorder (DCD). Epidemiological studies demonstrate a rate of comorbid diagnosis of DCD in 16% (Kaplan et al., 2001) to 70% (Iversen et al., 2005) of children with DD. The f...
Conference Paper
Developmental Dyslexia (DD) is a complex and heterogeneous learning disability frequently associated with other neurodevelopmental disorders, such as Developmental Coordination Disorder (DCD). Epidemiological studies demonstrate a rate of comorbid diagnosis of DCD in 16% (Kaplan et al., 2001) to 70% (Iversen et al., 2005) of children with DD. The f...
Article
In this article we aim at presenting the hypothesis developed by Ullman and Pullman (2015) that stipulate a compensatory role of declarative memory in Specific Language Impairments and Developmental Dyslexia. This hypothesis is part of the "declarative I procedural (DP) model of language" theoretical framework (Ullman, 2004) on the neurofunctional...
Preprint
Full-text available
An increasing number of studies focus on discourse production in patients with neurodegenerative diseases and underline its clinical usefulness. However, if this is to be used as a clinical tool, one needs to consider how normal discourse varies within cognitively unimpaired elderly populations. In the current study, the aim has been to investigate...
Article
Several brain imaging studies identified brain regions that are consistently involved in writing tasks; the left premotor and superior parietal cortices have been associated with the peripheral components of writing performance as opposed to other regions that support the central, orthographic components. Based on a meta-analysis by Planton, Jucla,...
Article
Full-text available
There is a large body of research on discourse production in Alzheimer’s disease (AD). Some studies have focused on pause production, revealing that patients make extensive use of pauses during speech. This has been attributed to lexical retrieval difficulties, but pausing may also reflect other forms of cognitive impairment as it increases with co...
Book
Full-text available
This book brings together experts from the fields of linguistics, psychology and neuroscience to explore how a multidisciplinary approach can impact on research into the neurocognition of language. International contributors present cutting-edge research from cognitive and developmental psychology, neuropsychology, psycholinguistics and computer sc...
Article
Depuis presque 40 ans, de nombreux travaux de recherche ont documenté l’hypothèse selon laquelle la dyslexie développementale trouverait son origine cognitive dans un déficit des habiletés phonologiques. Au gré de nouvelles approches méthodologiques et de nouveaux questionnements théoriques, cette « hypothèse phonologique » a été précisée, mieux ét...
Article
Handwriting is a modality of language production whose cerebral substrates remain poorly known although the existence of specific regions is postulated. The description of brain damaged patients with agraphia and, more recently, several neuroimaging studies suggest the involvement of different brain regions. However, results vary with the methodolo...
Article
Full-text available
A fundamental issue in cognitive neuroscience is the existence of two major, sub-lexical and lexical, reading processes and their possible segregation in the left posterior perisylvian cortex. Using cortical electrostimulation mapping, we identified the cortical areas involved on reading either orthographically irregular words (lexical, "direct" pr...
Article
Full-text available
The ability to identify letters and encode their position is a crucial step of the word recognition process. However and despite their word identification problem, the ability of dyslexic children to encode letter identity and letter-position within strings was not systematically investigated. This study aimed at filling this gap and further explor...
Article
Full-text available
Les bases neurophysiologiques de la production orthographique restent un sujet de recherche peu étudié. Mais l'observation de patients agraphiques ainsi que les études de neuro-imagerie ont participé à l'identification de régions clés du processus. En outre, quelques travaux utilisant des approches méthodologiques complémentaires ont permis de mieu...
Article
Full-text available
The peripheral deafferentation induced by regional anaesthesia (RA) results in misperception of size-shape (S) and posture (P) of the anesthetized limb. During RA, most patients seem to describe motionless 'phantom limbs' fixed in stereotyped illusory positions, suggesting that RA could unmask stable postural patterns. The question of whether movem...
Article
Full-text available
This study aimed at investigating the ERP correlates (N170 and P300 components) of a multimodal training program focused in dyslexia. ERPs were obtained from 32 electrodes in 24 French children with developmental dyslexia (mean age 10 years 7 months) during a visual lexical decision task. All the children received two intensive two-month evidence-b...
Article
Full-text available
This study aimed at investigating the ERP correlates (N170 and P300 components) of a multimodal training program focused in dyslexia. ERPs were obtained from 32 electrodes in 24 French children with developmental dyslexia (mean age 10 years 7 months) during a visual lexical decision task. All the children received two intensive two-month evidence-b...
Article
Full-text available
Two remediation programs consisting of phonological or visual attentional and orthographic exercises were compared in 29 dyslexic children (mean age, 125 months) including three subgroups: phonological (11), surface (6) and mixed (12). Each child underwent each program in turn in a cross-over design. Phonological training improved performances in p...

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