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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 5 of 5 1 Developmental Trends of Visual Processing of Letters and Objects Using Naming Speed Tasks Easson, Kaitlyn; Al Dahhan, Noor Z.; Brien, Donald C.... In: Front Hum Neurosci (2020) BASE Show details 2 Understanding the biological basis of dyslexia at a neural systems level Al Dahhan, Noor Z; Kirby, John R; Brien, Donald C; Gupta, Rina; Harrison, Allyson; Munoz, Douglas P In: Brain Commun (2020) Abstract: We examined the naming speed performance of 18 typically achieving and 16 dyslexic adults while simultaneously recording eye movements, articulations and fMRI data. Naming speed tasks, which require participants to name a list of letters or objects, have been proposed as a proxy for reading and are thought to recruit similar reading networks in the left hemisphere of the brain as more complex reading tasks. We employed letter and object naming speed tasks, with task manipulations to make the stimuli more or less phonologically and/or visually similar. Compared to typically achieving readers, readers with dyslexia had a poorer behavioural naming speed task performance, longer fixation durations, more regressions and increased activation in areas of the reading network in the left-hemisphere. Whereas increased network activation was positively associated with performance in dyslexics, it was negatively related to performance in typically achieving readers. Readers with dyslexia had greater bilateral activation and recruited additional regions involved with memory, namely the amygdala and hippocampus; in contrast, the typically achieving readers additionally activated the dorsolateral prefrontal cortex. Areas within the reading network were differentially activated by stimulus manipulations to the naming speed tasks. There was less efficient naming speed behavioural performance, longer fixation durations, more regressions and increased neural activity when letter stimuli were both phonologically and visually similar. Discussion focuses on the differences in activation within the reading network, how they are related to behavioural task differences, and how progress in furthering the understanding of the relationship between behavioural performance and brain activity can change the overall trajectories of children with reading difficulties by contributing to both early identification and remediation processes. Keyword: Original Article URL: https://doi.org/10.1093/braincomms/fcaa173 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7713994/ BASE Hide details 3 Eye movements of university students with and without reading difficulties during naming speed tasks Dahhan, Noor; Georgiou, George K.; Hung, Rickie... In: Annals of dyslexia. - New York, NY : Springer 64 (2014) 2, 137-150 OLC Linguistik Show details 4 Saccadic eye movements and pause/articulation components during a letter naming speed task: Children with and without dyslexia Al Dahhan, Noor. - 2013 BASE Show details 5 Saccadic eye movements and pause/articulation components during a letter naming speed task: Children with and without dyslexia Al Dahhan, Noor. - 2013 BASE Show details

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