Hybrid diamond/carbon fiber microelectrodes enable multimodal electrical/chemical neural interfacing

…, A Stacey, A Soto-Breceda, MR Ibbotson, M Yunzab… - Biomaterials, 2020 - Elsevier
Implantable medical devices are now in regular use to treat or ameliorate medical conditions,
including movement disorders, chronic pain, cardiac arrhythmias, and hearing or vision …

Preferential modulation of individual retinal ganglion cells by electrical stimulation

M Yunzab, A Soto-Breceda, M Maturana… - Journal of Neural …, 2022 - iopscience.iop.org
Objective. Retinal prostheses have had limited success in vision restoration through electrical
stimulation of surviving retinal ganglion cells (RGCs) in the degenerated retina. This is …

Mechanisms of feature selectivity and invariance in primary visual cortex

…, H Meffin, SL Cloherty, Y Wong, M Yunzab… - Cerebral …, 2020 - academic.oup.com
Visual object identification requires both selectivity for specific visual features that are important
to the object’s identity and invariance to feature manipulations. For example, a hand can …

Analysis of extracellular spike waveforms and associated receptive fields of neurons in cat primary visual cortex

SH Sun, A Almasi, M Yunzab, S Zehra… - The Journal of …, 2021 - Wiley Online Library
Key points Extracellular spikes recorded in the visual cortex (Area 17/18, V1) are commonly
classified into either regular‐spiking (RS) or fast‐spiking (FS). Using multi‐electrode arrays …

Orientation pinwheels in primary visual cortex of a highly visual marsupial

YJ Jung, A Almasi, SH Sun, M Yunzab, SL Cloherty… - Science …, 2022 - science.org
Primary visual cortices in many mammalian species exhibit modular and periodic orientation
preference maps arranged in pinwheel-like layouts. The role of inherited traits as opposed …

High Fidelity Bidirectional Neural Interfacing with Carbon Fiber Microelectrodes Coated with Boron‐Doped Carbon Nanowalls: An Acute Study

…, W Tong, A Stacey, SH Sun, M Yunzab… - Advanced Functional …, 2020 - Wiley Online Library
Implantable electrodes that can communicate with a small, selective group of neurons via
both neural stimulation and recording are critical for the development of advanced …

How Stimulus Statistics Affect the Receptive Fields of Cells in Primary Visual Cortex

A Almasi, SH Sun, M Yunzab, YJ Jung… - Journal of …, 2022 - Soc Neuroscience
We studied the changes that neuronal receptive field (RF) models undergo when the statistics
of the stimulus are changed from those of white Gaussian noise (WGN) to those of natural …

Synaptic basis for contrast-dependent shifts in functional identity in mouse V1

M Yunzab, V Choi, H Meffin, SL Cloherty, NJ Priebe… - Eneuro, 2019 - eneuro.org
A central transformation that occurs within mammalian visual cortex is the change from linear,
polarity-sensitive responses to nonlinear, polarity-insensitive responses. These neurons …

[HTML][HTML] Comparison of contrast-dependent phase sensitivity in primary visual cortex of mouse, cat and macaque

M Yunzab, SL Cloherty, MR Ibbotson - NeuroReport, 2019 - journals.lww.com
Neurones in the primary visual cortex (V1) are classified into simple and complex types. Simple
cells are phase-sensitive, that is, they modulate their responses according to the position …

How Stimulus Statistics Affect The Receptive Fields of V1 Cells

A Almasi, SH Sun, M Yunzab, YJ Jung, H Meffin… - bioRxiv, 2021 - biorxiv.org
We studied the changes that neuronal RF models undergo when the statistics of the
stimulus are changed from those of white Gaussian noise (WGN) to those of natural scenes (NS). …