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DTSTART;TZID=Europe/Paris:20250929T110000
DTEND;TZID=Europe/Paris:20250929T120000
DTSTAMP:20260414T235135
CREATED:20250915T103132Z
LAST-MODIFIED:20250915T103329Z
UID:36027-1759143600-1759147200@www.ilcb.fr
SUMMARY:Multidimensional Semantics for Concrete and Abstract Concepts
DESCRIPTION:Penny M. Pexman \nWestern University\, Canada \n  \nMultiple representation theories posit that concepts are represented via a combination of properties derived from sensorimotor\, affective\, linguistic\, and other experiences. One advantage of this approach is that it helps address the challenge of abstract meanings\, like wisdom and friendship\, which are central to our mental and social lives and yet cannot be directly experienced through the senses. I will describe a series of studies in which my colleagues and I have tested predictions of multiple representation theories for acquisition and processing of concrete and abstract word meanings\, exploring the roles of sensorimotor\, interoceptive\, and social experience. The development of large-scale word norms and behavioural megastudies has enabled consideration of multiple lexical and semantic dimensions and exploration of the possibility that these dimensions have simultaneous and interacting effects on behaviour. Using these “big data” I will consider how these multiple factors might be mapped in semantic space. \n \nBIO: Penny Pexman is Vice-President (Research) and Professor of Psychology at Western University She joined Western in 2023\, having previously spent 25 years at the University of Calgary\, where she served in a number of research leadership roles including Associate Dean (Research) in the Faculty of Arts and Associate Vice-President (Research). Penny was Editor-in-Chief of the Canadian Journal of Experimental Psychology and Associate Editor of the Journal of Memory and Language. She is past President of the Canadian Society for Brain\, Behaviour and Cognitive Science\, past Governing Board Chair for the Psychonomic Society\, a current member of Governing Board of the Cognitive Science Society\, and co-founder of Women in Cognitive Science – Canada.   \nPenny’s research expertise is in cognitive development\, psycholinguistics\, and cognitive neuroscience. In broad terms\, she is interested in how we derive meaning from language\, and how those processes are changed by experience. She has published more than 150 journal articles on those topics. For over 2 decades her work has been continuously funded by two of Canada’s federal funding organizations (SSHRC and NSERC)\, including NSERC’s prestigious Discovery Accelerator Supplement. She is an elected fellow of the Canadian Psychological Association and the Association for Psychological Science and has been honoured with 9 awards for mentorship and teaching excellence.
URL:https://www.ilcb.fr/event/multidimensional-semantics-for-concrete-and-abstract-concepts/
LOCATION:Salle des voûtes\, St Charles\, 3 place Victor Hugo\, Marseille\, 13001\, France
CATEGORIES:Seminars
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BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260206T103000
DTEND;TZID=Europe/Paris:20260206T120000
DTSTAMP:20260414T235135
CREATED:20260114T091116Z
LAST-MODIFIED:20260114T091116Z
UID:36390-1770373800-1770379200@www.ilcb.fr
SUMMARY:Adaptation to a bilingual input and variability in early language acquisition
DESCRIPTION:Prof. Laura Bosch from Barcelona University \n  \nAbstract: \nInfants and children growing up in bilingual/multilingual environments should no longer be considered as exceptions to the norm\, even for those living in monolingual societies. But bilingualism is a broad construct\, covering a diversity of dual language exposure contexts\, modulated by differential properties of socio-educational environments and language typologies. Adequately addressing the heterogeneous nature of bilingual language acquisition remains challenging. Research developed in the last twenty-five years\, reflects important changes in the type of questions that have been addressed: from an initial focus on early language differentiation issues\, to more recent studies focusing on the identification of adaptive mechanisms\, understanding variability in acquisition\, and getting more nuanced views on the processes that lead to building separate but interconnected language systems from a dual language input. In this talk\, I will first summarize studies based on infants simultaneously exposed to close language pairs (e.g.\, Spanish and Catalan)\, and I will then contrast these studies with data obtained from populations exposed to more distant languages. Language proximity stands out as a factor likely to modulate acquisition in such domains as phonological\, lexical\, and morphosyntactic acquisition. The talk will successively cover two separate but interconnected areas: the early building of native language phonetic/phonological categories\, and word-learning strategies in dual vocabulary building.  This narrow focus might contribute to identify research questions that remain open for future studies on early bilingualism.
URL:https://www.ilcb.fr/event/adaptation-to-a-bilingual-input-and-variability-in-early-language-acquisition/
LOCATION:B011 LPL\, 5 avenue Pasteur\, Aix-en-Provence\, 13100\, France
CATEGORIES:Seminars
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BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260420T110000
DTEND;TZID=Europe/Paris:20260420T120000
DTSTAMP:20260414T235135
CREATED:20260413T083126Z
LAST-MODIFIED:20260413T083126Z
UID:36625-1776682800-1776686400@www.ilcb.fr
SUMMARY:Testing the neural noise hypothesis of dyslexia
DESCRIPTION:Dyslexia is a specific learning disorder affecting approximately 7–12% of the population and is more commonly diagnosed in males than in females. While several cognitive and neural factors associated with dyslexia have been identified\, the precise causal mechanisms underlying reading difficulties remain unclear. One recent account\, the neural noise hypothesis (Hancock et al.\, 2017)\, proposes that reading difficulties arise from an imbalance between excitatory and inhibitory (E/I) processes (increased cortical excitability) leading to impairments in phonological awareness\, rapid automatized naming\, and multisensory integration. \nI will present our studies which tested key predictions of this hypothesis. First\, we examined whether low-level multisensory integration contributes to dyslexia and whether this effect is sex-specific. Next\, we directly tested the neural noise hypothesis using electroencephalography (EEG) power spectrum measures and concentrations of Glutamate (Glu) and GABA obtained with magnetic resonance spectroscopy (MRS) at 7T. \nOnly males with dyslexia exhibited deficits in multisensory integration of simple\, non-linguistic stimuli\, as assessed by a reaction time task. However\, EEG and MRS results\, supported by Bayesian analyses\, provided no evidence for differences in E/I balance between groups\, challenging the hypothesis that cortical hyperexcitability underlies dyslexia. \n  \n  \nBio \nKatarzyna Jednoróg is a professor of cognitive neuroscience and head of the Laboratory of Language Neurobiology at the Nencki Institute of Experimental Biology\, Polish Academy of Sciences in Warsaw. Her research focuses on the neurobiological basis of language and reading development in both typical and atypical populations\, with a particular emphasis on developmental dyslexia. She investigates how brain structure and function support literacy acquisition\, using non-invasive neuroimaging methods such as EEG\, fMRI\, and magnetic resonance spectroscopy. \n \n 
URL:https://www.ilcb.fr/event/testing-the-neural-noise-hypothesis-of-dyslexia/
LOCATION:Salle des voûtes\, St Charles\, 3 place Victor Hugo\, Marseille\, 13001\, France
CATEGORIES:Seminars
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