Elishai Ezra - Academia.edu (original) (raw)

Elishai Ezra

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Papers by Elishai Ezra

Research paper thumbnail of Walking on the thin intersectional lines of disciplines

Research paper thumbnail of Neuromorphic Spike Timing Dependent Plasticity with adaptive OZ Spiking Neurons

2021 IEEE Biomedical Circuits and Systems Conference (BioCAS)

Research paper thumbnail of Neuromorphic Adaptive Body Leveling in a Bioinspired Hexapod Walking Robot

2021 IEEE Biomedical Circuits and Systems Conference (BioCAS)

Research paper thumbnail of 3D Object Tracking with Neuromorphic Event Cameras via Image Reconstruction

2021 IEEE Biomedical Circuits and Systems Conference (BioCAS)

Research paper thumbnail of In-memory computing with memristors

Neuromorphic Engineering, 2021

Research paper thumbnail of Neuromorphic Engineering

Research paper thumbnail of Introducing the perspective of the scientist

Neuromorphic Engineering, 2021

Research paper thumbnail of Learning spiking neural networks

Neuromorphic Engineering, 2021

Research paper thumbnail of Introducing the perspective of the algorithm designer

Neuromorphic Engineering, 2021

Research paper thumbnail of Introduction to neuromorphic programming

Neuromorphic Engineering, 2021

Research paper thumbnail of Models of morphologically detailed neurons

Neuromorphic Engineering, 2021

Research paper thumbnail of Biological description of neuronal dynamics

Neuromorphic Engineering, 2021

Research paper thumbnail of Realistic retinal modeling unravels the differential role of excitation and inhibition to starburst amacrine cells in direction selectivity

bioRxiv, 2021

Retinal direction-selectivity originates in starburst amacrine cells (SACs), which display a cent... more Retinal direction-selectivity originates in starburst amacrine cells (SACs), which display a centrifugal preference, responding with greater depolarization to a stimulus expanding from soma to dendrites than to a collapsing stimulus. Various mechanisms were hypothesized to underlie SAC centrifugal preference, but dissociating them is experimentally challenging and the mechanisms remain debatable. To address this issue, we developed the Retinal Stimulation Modeling Environment (RSME), a multifaceted data-driven retinal model that encompasses detailed neuronal morphology and biophysical properties, retina-tailored connectivity scheme and visual input. Using a genetic algorithm, we demonstrated that spatiotemporally diverse excitatory inputs – sustained in the proximal and transient in the distal processes – are sufficient to generate experimentally validated centrifugal preference in a single SAC. Reversing these input kinetics did not produce any centrifugal-preferring SAC. We then e...

Research paper thumbnail of Left-prefrontal alpha-dynamics predict executive working-memory functioning in elderly people

Recent findings suggest that electroencephalography (EEG) oscillations in the theta and alpha fre... more Recent findings suggest that electroencephalography (EEG) oscillations in the theta and alpha frequency-bands reflect synchronized interregional neuronal activity and are considered to reflect cognitive-control, and executive working memory mechanisms in humans. Above the age of 50 years, hypothesized pronounced alterations in alpha and theta-band power at resting or across different WM-functioning brain states may well be due to pre-dementia cognitive impairments, or increasing severity of age-related neurological disorders. Executive working memory (EWM) functioning was assessed in older-adult participants (54 to 83 years old) by obtaining their WM-related EEG oscillations and WM performance scores. WM performance and WM brain-state EEG were recorded during online-WM periods as well as during specific online WM events within EWM periods, and during resting offline-WM periods that preceded online-WM periods. Left-prefrontal alpha-power was enhanced during offline-WM periods versus ...

Research paper thumbnail of Models of network dynamic and learning

Research paper thumbnail of Computer-Aided Design of Valves-Integrated Microfluidic Layouts Using Parameter-Guided Electrical Models

Research paper thumbnail of Communication and hybrid circuit design

Research paper thumbnail of The Neural Engineering Framework (NEF)

Research paper thumbnail of Introducing the perspective of the computer architect

Research paper thumbnail of Models of point neuronal dynamic

Research paper thumbnail of Walking on the thin intersectional lines of disciplines

Research paper thumbnail of Neuromorphic Spike Timing Dependent Plasticity with adaptive OZ Spiking Neurons

2021 IEEE Biomedical Circuits and Systems Conference (BioCAS)

Research paper thumbnail of Neuromorphic Adaptive Body Leveling in a Bioinspired Hexapod Walking Robot

2021 IEEE Biomedical Circuits and Systems Conference (BioCAS)

Research paper thumbnail of 3D Object Tracking with Neuromorphic Event Cameras via Image Reconstruction

2021 IEEE Biomedical Circuits and Systems Conference (BioCAS)

Research paper thumbnail of In-memory computing with memristors

Neuromorphic Engineering, 2021

Research paper thumbnail of Neuromorphic Engineering

Research paper thumbnail of Introducing the perspective of the scientist

Neuromorphic Engineering, 2021

Research paper thumbnail of Learning spiking neural networks

Neuromorphic Engineering, 2021

Research paper thumbnail of Introducing the perspective of the algorithm designer

Neuromorphic Engineering, 2021

Research paper thumbnail of Introduction to neuromorphic programming

Neuromorphic Engineering, 2021

Research paper thumbnail of Models of morphologically detailed neurons

Neuromorphic Engineering, 2021

Research paper thumbnail of Biological description of neuronal dynamics

Neuromorphic Engineering, 2021

Research paper thumbnail of Realistic retinal modeling unravels the differential role of excitation and inhibition to starburst amacrine cells in direction selectivity

bioRxiv, 2021

Retinal direction-selectivity originates in starburst amacrine cells (SACs), which display a cent... more Retinal direction-selectivity originates in starburst amacrine cells (SACs), which display a centrifugal preference, responding with greater depolarization to a stimulus expanding from soma to dendrites than to a collapsing stimulus. Various mechanisms were hypothesized to underlie SAC centrifugal preference, but dissociating them is experimentally challenging and the mechanisms remain debatable. To address this issue, we developed the Retinal Stimulation Modeling Environment (RSME), a multifaceted data-driven retinal model that encompasses detailed neuronal morphology and biophysical properties, retina-tailored connectivity scheme and visual input. Using a genetic algorithm, we demonstrated that spatiotemporally diverse excitatory inputs – sustained in the proximal and transient in the distal processes – are sufficient to generate experimentally validated centrifugal preference in a single SAC. Reversing these input kinetics did not produce any centrifugal-preferring SAC. We then e...

Research paper thumbnail of Left-prefrontal alpha-dynamics predict executive working-memory functioning in elderly people

Recent findings suggest that electroencephalography (EEG) oscillations in the theta and alpha fre... more Recent findings suggest that electroencephalography (EEG) oscillations in the theta and alpha frequency-bands reflect synchronized interregional neuronal activity and are considered to reflect cognitive-control, and executive working memory mechanisms in humans. Above the age of 50 years, hypothesized pronounced alterations in alpha and theta-band power at resting or across different WM-functioning brain states may well be due to pre-dementia cognitive impairments, or increasing severity of age-related neurological disorders. Executive working memory (EWM) functioning was assessed in older-adult participants (54 to 83 years old) by obtaining their WM-related EEG oscillations and WM performance scores. WM performance and WM brain-state EEG were recorded during online-WM periods as well as during specific online WM events within EWM periods, and during resting offline-WM periods that preceded online-WM periods. Left-prefrontal alpha-power was enhanced during offline-WM periods versus ...

Research paper thumbnail of Models of network dynamic and learning

Research paper thumbnail of Computer-Aided Design of Valves-Integrated Microfluidic Layouts Using Parameter-Guided Electrical Models

Research paper thumbnail of Communication and hybrid circuit design

Research paper thumbnail of The Neural Engineering Framework (NEF)

Research paper thumbnail of Introducing the perspective of the computer architect

Research paper thumbnail of Models of point neuronal dynamic

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