Full Text Journal Articles by
Author Eran Dayan

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Differential Role for Hippocampal Subfields in Alzheimer's Disease Progression Revealed with Deep Learning.

Kichang Kwak, Marc Niethammer, Kelly S Giovanello, Martin Styner, Eran Dayan, ,

Mild cognitive impairment (MCI) is often considered the precursor of Alzheimer's disease. However, MCI is associated with substantially variable progression rates, which are not well understood. Attempts to identify the mechanisms that underlie MCI progression have often focused on the hippocampus but have mostly overlooked its intricate structure and subdivisions. ... Read more >>

Cereb Cortex (Cerebral cortex (New York, N.Y. : 1991))
[2021, :]

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Crowdsourcing in Cognitive and Systems Neuroscience.

Brian P Johnson, Eran Dayan, Nitzan Censor, Leonardo G Cohen,

Behavioral research in cognitive and human systems neuroscience has been largely carried out in-person in laboratory settings. Underpowering and lack of reproducibility due to small sample sizes have weakened conclusions of these investigations. In other disciplines, such as neuroeconomics and social sciences, crowdsourcing has been extensively utilized as a data ... Read more >>

Neuroscientist (The Neuroscientist : a review journal bringing neurobiology, neurology and psychiatry)
[2021, :10738584211017018]

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Accrual of functional redundancy along the lifespan and its effects on cognition.

Muhammad Usman Sadiq, Stephanie Langella, Kelly S Giovanello, Peter J Mucha, Eran Dayan,

Despite the necessity to understand how the brain endures the initial stages of age-associated cognitive decline, no brain mechanism has been quantitatively specified to date. The brain may withstand the effects of cognitive aging through redundancy, a design feature in engineered and biological systems, which entails the presence of substitute ... Read more >>

Neuroimage (NeuroImage)
[2021, 229:117737]

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Lower functional hippocampal redundancy in mild cognitive impairment.

Stephanie Langella, Muhammad Usman Sadiq, Peter J Mucha, Kelly S Giovanello, Eran Dayan, ,

With an increasing prevalence of mild cognitive impairment (MCI) and Alzheimer's disease (AD) in response to an aging population, it is critical to identify and understand neuroprotective mechanisms against cognitive decline. One potential mechanism is redundancy: the existence of duplicate elements within a system that provide alternative functionality in case ... Read more >>

Transl Psychiatry (Translational psychiatry)
[2021, 11(1):61]

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Autonomic disorders in Parkinson disease: Disrupted hypothalamic connectivity as revealed from resting-state functional magnetic resonance imaging.

Eran Dayan, Miriam Sklerov,

Converging evidence from diverse methodologies implicate the hypothalamus in the pathophysiology of Parkinson's disease (PD). Pathology in the hypothalamus and in hypothalamic pathways has been linked primarily to autonomic dysfunction, routinely experienced by individuals with PD throughout the course of the disease, sometimes predating onset of motor symptoms. Postmortem and ... Read more >>

Handb Clin Neurol (Handbook of clinical neurology)
[2021, 182:211-222]

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Atrophy-centered subtyping of mild cognitive impairment

Kichang Kwak, Kelly Giovanello, Martin Styner, Eran Dayan, ,

Mild cognitive impairment (MCI) is considered as the transitional phase between normal cognitive aging and Alzheimer’s disease (AD). Nevertheless, trajectories of cognitive decline vary considerably among individuals with MCI. To address this heterogeneity, subtyping approaches have been developed, with the objective of identifying more homogenous subgroups and ultimately improving prognostic ... Read more >>

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The contribution of hippocampal subfields to the progression of neurodegeneration

Kichang Kwak, Marc Niethammer, Kelly Giovanello, Martin Styner, Eran Dayan, ,

Mild cognitive impairment (MCI) is often considered the precursor of Alzheimer’s disease. However, MCI is associated with substantially variable progression rates, which are not well understood. Attempts to identify the mechanisms that underlie MCI progression have often focused on the hippocampus, but have mostly overlooked its intricate structure and subdivisions. ... Read more >>

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Longitudinal change in autonomic symptoms predicts activities of daily living and depression in Parkinson's disease.

Miriam Sklerov, Chia-Hao Shih, Nina Browner, Jose-Alberto Palma, Martin Styner, Eran Dayan,

PURPOSE:The primary objective of this study was to examine the relationship of longitudinal changes in autonomic symptom burden and longitudinal changes in activities of daily living (ADLs); a secondary analysis examined the impact of depressive symptoms in this relationship. METHODS:Data were retrieved from the Parkinson's Progression Markers Initiative (PPMI), a ... Read more >>

Clin Auton Res (Clinical autonomic research : official journal of the Clinical Autonomic Research Society)
[2020, 30(3):223-230]

Cited: 1 time

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Explaining Individual Differences in Motor Behavior by Intrinsic Functional Connectivity and Corticospinal Excitability.

Jasmine Herszage, Eran Dayan, Haggai Sharon, Nitzan Censor,

Motor performance varies substantially between individuals. This variance is rooted in individuals' innate motor abilities, and should thus have a neural signature underlying these differences in behavior. Could these individual differences be detectable with neural measurements acquired at rest? Here, we tested the hypothesis that motor performance can be predicted ... Read more >>

Front Neurosci (Frontiers in neuroscience)
[2020, 14:76]

Cited: 1 time

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Altered hypothalamic diffusivity in Parkinsonian autonomic dysfunction

Célia Rousseau, Miriam Sklerov, Nina Browner, Yueh Lee, Adrien Boucaud, Juan Prieto, Martin Styner, Eran Dayan,

The pathophysiological basis of autonomic symptoms in Parkinson’s disease remains incompletely understood. The hypothalamus plays a key regulatory role in autonomic function and has been shown to be affected in Parkinson’s disease. Here, using diffusion magnetic resonance imaging, we investigated whether microstructural properties of the hypothalamus differ in Parkinson’s disease ... Read more >>

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Integrative Functional Network Interactions Underlie the Association between Physical Activity and Cognition in Neurodegenerative Diseases

Chia-Hao Shih, Miriam Sklerov, Nina Browner, Eran Dayan,

Physical activity (PA) has preventive and possibly restorative effects in aging-related cognitive decline, which relate to intrinsic functional interactions (functional connectivity, FC) in large-scale brain networks. Preventive and ameliorative effects of PA on cognitive decline have also been documented in neurodegenerative diseases, such as Parkinson's disease (PD). However, the neural ... Read more >>

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Physical activity mediates the association between striatal dopamine transporter availability and cognition in Parkinson's disease.

Chia-Hao Shih, Kathryn Moore, Nina Browner, Miriam Sklerov, Eran Dayan,

OBJECTIVE:Associations between cognition and nigrostriatal dopaminergic deficits in Parkinson's disease have been documented in the literature, but are incompletely understood. Here we studied the extent to which physical activity mediates the relationship between striatal dopamine transporter availability and global cognition among patients with Parkinson's disease. METHODS:Data from 174 patients from ... Read more >>

Parkinsonism Relat Disord (Parkinsonism & related disorders)
[2019, 62:68-72]

Cited: 3 times

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Functional neuroimaging of the central autonomic network: recent developments and clinical implications.

Miriam Sklerov, Eran Dayan, Nina Browner,

<h4>Purpose</h4>The central autonomic network (CAN) is an intricate system of brainstem, subcortical, and cortical structures that play key roles in the function of the autonomic nervous system. Prior to the advent of functional neuroimaging, in vivo studies of the human CAN were limited. The purpose of this review is to ... Read more >>

Clin Auton Res (Clinical autonomic research : official journal of the Clinical Autonomic Research Society)
[2019, 29(6):555-566]

Cited: 8 times

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Neuromodulation of reinforced skill learning reveals the causal function of prefrontal cortex.

Eran Dayan, Jasmine Herszage, Rony Laor-Maayany, Haggai Sharon, Nitzan Censor,

Accumulating evidence has suggested functional interactions between prefrontal cortex (PFC) and dissociable large-scale networks. However, how these networks interact in the human brain to enable complex behaviors is not well-understood. Here, using a combination of behavioral, brain stimulation and neuroimaging paradigms, we tested the hypothesis that human PFC is required ... Read more >>

Hum Brain Mapp (Human brain mapping)
[2018, 39(12):4724-4732]

Cited: 1 time

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Motion cues modulate responses to emotion in movies.

Eran Dayan, Avi Barliya, Beatrice de Gelder, Talma Hendler, Rafael Malach, Tamar Flash,

Film theorists and practitioners suggest that motion can be manipulated in movie scenes to elicit emotional responses in viewers. However, our understanding of the role of motion in emotion perception remains limited. On the one hand, movies continuously depict local motion- movements of objects and humans, which are crucial for ... Read more >>

Sci Rep (Scientific reports)
[2018, 8(1):10881]

Cited: 3 times

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Distributed cortical structural properties contribute to motor cortical excitability and inhibition.

Eran Dayan, Virginia López-Alonso, Sook-Lei Liew, Leonardo G Cohen,

The link between the local structure of the primary motor cortex and motor function has been well documented. However, motor function relies on a network of interconnected brain regions and the link between the structural properties characterizing these distributed brain networks and motor function remains poorly understood. Here, we examined ... Read more >>

Brain Struct Funct (Brain structure & function)
[2018, 223(8):3801-3812]

Cited: 2 times

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Disrupted hypothalamic functional connectivity in patients with PD and autonomic dysfunction.

Eran Dayan, Miriam Sklerov, Nina Browner,

OBJECTIVE:To test whether symptoms of autonomic dysfunction in Parkinson disease (PD) are associated with alterations in intrinsic hypothalamic functional connectivity, given the regulatory role of the hypothalamus (HTH) in the autonomic nervous system. METHODS:Resting-state fMRI scans from patients with PD were analyzed, comparing patients with the highest (n = 24) ... Read more >>

Neurology (Neurology)
[2018, 90(23):e2051-e2058]

Cited: 7 times

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Cover Image

Alit Stark‐Inbar, Eran Dayan,

COVER ILLUSTRATION: Voluntary movements require control of multiple kinematic parameters, a task carried out by a distributed brain architecture. fMRI imaging during a wrist‐flexion task revealed preferential encoding of kinematic parameters along the motor system, such that activity in the left primary motor cortex (M1) showed preferential encoding of movement ... Read more >>

Hum Brain Mapp (Human brain mapping)
[2017, 38(12):i-i]

Cited: 0 times

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Distributed cortical structural properties contribute to motor cortical excitability and inhibition

Eran Dayan, Virginia López-Alonso, Sook-Lei Liew, Leonardo Cohen,

The link between the local structure of the primary motor cortex and motor function has been well documented. However, motor function relies on a network of interconnected brain regions and the link between the structural properties characterizing these distributed brain networks and motor function remains poorly understood. Here, we examined ... Read more >>

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Preferential encoding of movement amplitude and speed in the primary motor cortex and cerebellum.

Alit Stark-Inbar, Eran Dayan,

Voluntary movements require control of multiple kinematic parameters, a task carried out by a distributed brain architecture. However, it remains unclear whether regions along the motor system encode single, or rather a mixture of, kinematic parameters during action execution. Here, rapid event-related functional magnetic resonance imaging was used to differentiate ... Read more >>

Hum Brain Mapp (Human brain mapping)
[2017, 38(12):5970-5986]

Cited: 2 times

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Alterations in striato-thalamo-pallidal intrinsic functional connectivity as a prodrome of Parkinson's disease.

Eran Dayan, Nina Browner,

Although the diagnosis of Parkinson's disease (PD) remains anchored around the cardinal motor symptoms of bradykinesia, rest tremor, rigidity and postural instability, it is becoming increasingly clear that the clinical phase of the disease is preceded by a long period of neurodegeneration, which is not readily evident in terms of ... Read more >>

Neuroimage Clin (NeuroImage. Clinical)
[2017, 16:313-318]

Cited: 10 times

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Alterations in striato-thalamo-pallidal intrinsic functional connectivity as a prodrome of Parkinson’s disease

Eran Dayan, Nina Browner,

Although the diagnosis of Parkinson’s disease (PD) remains anchored around the cardinal motor symptoms of bradykinesia, rest tremor, rigidity and postural instability, it is becoming increasingly clear that the clinical phase of the disease is preceded by a long period of neurodegeneration, which is not readily evident in terms of ... Read more >>

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Distinct neural bases of disruptive behavior and autism symptom severity in boys with autism spectrum disorder.

Y J Daniel Yang, Denis G Sukhodolsky, Jiedi Lei, Eran Dayan, Kevin A Pelphrey, Pamela Ventola,

<h4>Background</h4>Disruptive behavior in autism spectrum disorder (ASD) is an important clinical problem, but its neural basis remains poorly understood. The current research aims to better understand the neural underpinnings of disruptive behavior in ASD, while addressing whether the neural basis is shared with or separable from that of core ASD ... Read more >>

J Neurodev Disord (Journal of neurodevelopmental disorders)
[2017, 9:1]

Cited: 8 times

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3D-printed head models for navigated non-invasive brain stimulation.

Eran Dayan, Ryan M Thompson, Ethan R Buch, Leonardo G Cohen,

Clin Neurophysiol (Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology)
[2016, 127(10):3341-3342]

Cited: 0 times

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Reward disrupts reactivated human skill memory.

Eran Dayan, Rony Laor-Maayany, Nitzan Censor,

Accumulating evidence across species and memory domains shows that when an existing memory is reactivated, it becomes susceptible to modifications. However, the potential role of reward signals in these mechanisms underlying human memory dynamics is unknown. Leaning on a wealth of findings on the role of reward in reinforcing memory, ... Read more >>

Sci Rep (Scientific reports)
[2016, 6:28270]

Cited: 5 times

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