Rania Ezzo
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View article: Eyes on hold: motion task difficulty jointly delays microsaccade and pupil responses
Eyes on hold: motion task difficulty jointly delays microsaccade and pupil responses Open
Microsaccades and pupil dynamics exhibit canonical temporal profiles, providing insights into perceptual and cognitive processes. Microsaccades are typically suppressed with respect to expected stimulus onset and followed by a rebound to b…
View article: Eyes on hold: Motion task difficulty jointly delays microsaccade and pupil responses
Eyes on hold: Motion task difficulty jointly delays microsaccade and pupil responses Open
Microsaccades and pupil dynamics exhibit canonical temporal profiles, providing insights into perceptual and cognitive processes. Microsaccades are typically suppressed with respect to expected stimulus onset and followed by a rebound to b…
View article: Functional localization of visual motion area FST in humans
Functional localization of visual motion area FST in humans Open
The fundus of the superior temporal sulcus (FST) in macaque monkeys is implicated in the processing of complex motion signals, yet a human homolog remains elusive. To better understand the neural mechanisms underlying the analysis of compl…
View article: Functional localization of visual motion area FST in humans
Functional localization of visual motion area FST in humans Open
The fundus of the superior temporal sulcus (FST) in macaques is implicated in the processing of complex motion signals, yet a human homolog remains elusive. Here we considered potential localizers and evaluated their effectiveness in delin…
View article: Microsaccade rates reflect trial difficulty for perifoveal motion discrimination
Microsaccade rates reflect trial difficulty for perifoveal motion discrimination Open
INTRODUCTION. Microsaccades, or small recurring eye movements, typically occur ~1-2 times per second. Although generally considered involuntary, the characteristics of these eye movements are task-dependent and affect performance. For exam…
View article: Asymmetries in the discrimination of motion direction around the visual field
Asymmetries in the discrimination of motion direction around the visual field Open
The discriminability of motion direction is asymmetric, with some motion directions that are better discriminated than others. For example, discrimination of directions near the cardinal axes (upward/downward/leftward/rightward) tends to b…
View article: Motion discrimination around the visual field
Motion discrimination around the visual field Open
Rationale. There are several perceptual asymmetries associated with motion sensitivity, each of which has been investigated independently. Sensitivity is greater: (1) for directions toward/away from the center of gaze than for tangential t…
View article: A category-selective semantic memory deficit for animate objects in semantic variant primary progressive aphasia
A category-selective semantic memory deficit for animate objects in semantic variant primary progressive aphasia Open
Data are mixed on whether patients with semantic variant primary progressive aphasia exhibit a category-selective semantic deficit for animate objects. Moreover, there is little consensus regarding the neural substrates of this category-se…
View article: Neural substrates of verbal repetition deficits in primary progressive aphasia
Neural substrates of verbal repetition deficits in primary progressive aphasia Open
In this cross-sectional study, we examined the relationship between cortical thickness and performance on several verbal repetition tasks in a cohort of patients with primary progressive aphasia in order to test predictions generated by th…
View article: Category‐selective semantic deficit for living things in semantic variant primary progressive aphasia
Category‐selective semantic deficit for living things in semantic variant primary progressive aphasia Open
Background Studies of patients with impaired semantic memory have identified cases with a category‐selective semantic deficit (CSSD) for living things—a disproportionate semantic memory loss for animate versus inanimate items. Data are mix…
View article: Increased white matter MRI T1 hypointensity volume in young‐onset Alzheimer’s disease patients is not accounted for by age or cardiovascular risk factors
Increased white matter MRI T1 hypointensity volume in young‐onset Alzheimer’s disease patients is not accounted for by age or cardiovascular risk factors Open
Background White matter (WM) hypointensity volume in T1 MRI correlates strongly with T2 hyperintensities and both are typically associated with advancing age and vascular brain injury (VBI). Recent research has suggested that Alzheimer’s D…
View article: Neurodegeneration in the Longitudinal Evaluation of Early Onset Alzheimer’s Disease Study (LEADS) sample: Results from the MRI core
Neurodegeneration in the Longitudinal Evaluation of Early Onset Alzheimer’s Disease Study (LEADS) sample: Results from the MRI core Open
Background Approximately 5% of the 5.6 million (∼280,000) Americans with Alzheimer’s disease (AD) develop symptoms at age 65 or younger and are classified as having early‐onset AD (EOAD). Although EOAD and late‐onset AD (LOAD) share the sa…
View article: Cortical atrophy signatures and machine learning MR‐based classification of primary progressive aphasia variants
Cortical atrophy signatures and machine learning MR‐based classification of primary progressive aphasia variants Open
Background Primary Progressive Aphasia (PPA) is a rare neurodegenerative disorder characterized by progressive language impairment and three clinical phenotypes: semantic variant (svPPA), logopenic variant (lvPPA) and non‐fluent variant (n…
View article: Neural substrates of verbal repetition deficits in primary progressive aphasia
Neural substrates of verbal repetition deficits in primary progressive aphasia Open
In this cross-sectional study, we examined the relationship between cortical thickness and performance on several verbal repetition tasks in a cohort of patients with primary progressive aphasia (PPA) in order to test predictions generated…
View article: Exogenous Attention and Inhibition of Return in the Foveola
Exogenous Attention and Inhibition of Return in the Foveola Open
The effects of exogenous attention in the visual periphery have been studied extensively. Yet, it is not well-known if this type of attention can be fine-tuned in the foveola, the 1-degree foveal region where visual resolution is the highe…
View article: Quantifying the Differentiated Trajectory of the Wernicke’s-like Presentation of Logopenic Variant Primary Progressive Aphasia (lvPPA)
Quantifying the Differentiated Trajectory of the Wernicke’s-like Presentation of Logopenic Variant Primary Progressive Aphasia (lvPPA) Open
Event Abstract Back to Event Quantifying the Differentiated Trajectory of the Wernicke’s-like Presentation of Logopenic Variant Primary Progressive Aphasia (lvPPA) Jeanne Gallée1*, Jessica Collins2, 3, Claire Cordella2, 3, Rania Ezzo2, Sha…