Also, a comparison of English-speaking monolinguals to French-speaking monolinguals showed that speaking only English was associated with a 5.3-year delay in dementia diagnosis compared to speaking only French. (2010) reported that in native Canadian cohorts it was the bilinguals who were diagnosed earlier.
But anomalous results began to trickle in: Chertoff et al. The first studies on the possible effects of bilingualism on dementia used retrospective reports of patients at memory clinics and showed that bilingualism delayed the onset of mild cognitive impairment (MCI) in a range of 4.7 to 7.3 years. Regina Anders-Jefferson, San Francisco State University John Majoubi, San Francisco State University Kathy Wannaviroj, San Francisco State University Brandon Zimiga, San Francisco State Universityĭoes bilingualism delay the onset or incidence of dementia? Not as well as other cognitive activities Kenneth Paap, San Francisco State University 3:30 PM 5:30 PM America/Los_Angeles A1 - More modular EEG functional networks during single-word reading with development Description of the event Pacific Concourse This pattern for word reading?of more information transfer within cortical systems and less transfer between as reading-related skills develop?is consistent with the neural-efficiency hypothesis. Controlling for global connectivity, additional connectivity for words (mean PLI+) within/between each module was correlated with children's reading-related skills: connectivity within frontal modules increased with rapid automatized naming scores (r=.25, p=.038) and connectivity between frontal and left-central modules decreased with receptive vocabulary scores (r=-.28, p=.017).
letter-strings' (mc-p=.037) was driven by modules over frontal, left-central, and posterior regions.
In children, the modularity effect of 'words vs. For significant condition contrasts, modules (sub-networks) associated with word (but not word-like) stimulus processing were identified from the consensus partition that maximized modularity of the grand-average difference network and permutation tested for significance. letter-strings in children, and (3) greater modularity for words vs. children across conditions, (2) greater modularity for words vs. In the 200-400ms window, we found: (1) greater modularity in adults vs. Networks were created, baseline-corrected (-500 to -300ms), and weighted/asymmetrically signed modularity was calculated over time for each condition. We recorded 32-channel EEG while children (n=72, grades 3-5) and adults (n=24, ages 18-24) viewed words, pseudowords, letter-strings, and false-fonts. However, few studies have examined this attenuation during single-word reading development or associations with reading-related skills. As skills become automatized, this decrease attenuates (neural-efficiency hypothesis). Prior studies have found that cognitive processing decreases the relative independence of large-scale functional networks (graph-theoretical 'modularity'). More modular EEG functional networks during single-word reading with development Paige Vaccarella, Brock University Erin Panda, Brock University Donna Coch, Dartmouth College
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