István Ulbert

Thermoplastic polyurethane as a base material for soft, high-density neural interfaces

This paper introduces thermoplastic polyurethane (TPU) as a base material for soft, high-density neural interfaces and demonstrates its fabrication and biocompatibility.

Cortical isolation separates rhythmic synchrony from network integration in the human neocortex.

The paper isolates human cortical tissue to show that rhythmic synchrony increases while network integration decreases, suggesting local circuits generate gamma activity and long-range inputs support complex dynamics.

Preserved functions with profound morphological reorganization in human organotypic cultures

This study tracks functional and structural changes in human cortical slice cultures over weeks, finding stable functional states despite structural degradation.

Polymer-based flexible multi-shank probes for simultaneous intracortical microstimulation and two-photon calcium imaging

This paper introduces a flexible multi-shank probe for simultaneous intracortical microstimulation and two-photon calcium imaging in mice, showing how stimulation parameters affect neuronal activation patterns.

Local infrared stimulation modulates spontaneous cortical slow wave dynamics in anesthetized rats

This study shows that local infrared stimulation modulates slow-wave dynamics in anesthetized rats by altering neuronal excitability through temperature changes.

TRPV3 channel activity helps cortical neurons stay active during fever

This study shows that TRPV3 channel activity helps cortical neurons maintain activity during fever by adjusting depolarization to meet spike thresholds.

CoreTIA: a modular, statistically robust transduction inhibition assay for AAV neutralization

coreTIA provides a modular and statistically robust assay for measuring AAV neutralizing antibodies with quantified uncertainty and consistent performance across serotypes.

DREDge: robust motion correction for high-density extracellular recordings across species

DREDge improves motion correction in high-density extracellular recordings across species, enhancing reliability and reducing errors in electrophysiological data.

Longevity of Implantable Silicon-ICs for Emerging Neural Applications: Evaluation of Bare Die and PDMS-Coated ICs After Accelerated Aging and Implantation Studies

The paper evaluates the long-term stability of implantable silicon-ICs, showing that PDMS coating prevents degradation while bare die ICs remain electrically stable for at least a year.

Propagating population activity patterns during spontaneous slow waves in the thalamus of rodents

This study investigates propagating population activity in the thalamus of anesthetized and sleeping rodents, finding similar propagation patterns during slow waves and suggesting cortical influence on thalamic activity.

The sleep EEG envelope: a novel, neuronal firing-based human biomarker

The paper introduces the sleep EEG envelope spectrum as a neuronal firing-based biomarker, showing it reflects age and sex with high individual stability.

Huygens synchronization of medial septal pacemaker neurons generates hippocampal theta oscillation

The paper demonstrates that medial septal pacemaker neurons synchronize their frequencies to generate hippocampal theta oscillations, akin to Huygens' pendulum synchronization.

The timescale and magnitude of 1/f aperiodic activity decreases with cortical depth in humans, macaques and mice

The paper examines 1/f aperiodic activity in cortical layers across species, finding steeper slopes and greater magnitudes in superficial layers.

Microscale physiological events on the human cortical surface

The paper identifies three distinct classes of cortical activity using high-density microelectrodes, showing they are modulated by stimuli and present across species.

Recording site placement on planar silicon-based probes affects neural signal quality: edge sites enhance acute recording performance

The paper investigates how the placement of recording sites on silicon probes affects neural signal quality, finding edge sites provide better signal quality than center sites in acute recordings.

The laminar profile of sleep spindles in humans

This study investigates the laminar profiles of sleep spindles in humans using EEG and microelectrode recordings, finding no strong association between spindle types and laminar profiles.

Dissociation of broadband high-frequency activity and neuronal firing in the neocortex

This study shows that broadband high-frequency activity (BHA) dissociates from multiunit activity (MUA) in primary visual and auditory cortex, with BHA originating from both neuronal firing and dendritic processes.

Why not record from every electrode with a CMOS scanning probe?

This paper introduces a high-density CMOS scanning probe for neural recording, demonstrating its ability to capture neural activity across multiple brain regions with improved resolution compared to lower density devices.

The Generation and Propagation of the Human Alpha Rhythm

This study identifies the cortical and thalamic generators of the human alpha rhythm, showing it originates in higher-order cortex and propagates to lower-order regions and thalamus.

Simulating human sleep spindle MEG and EEG from ion channel and circuit level dynamics

The paper simulates human sleep spindle MEG and EEG by integrating ion channel dynamics and circuit-level neural activity across multiple scales.

Heterogeneous origins of human sleep spindles in different cortical layers

This study identifies two distinct patterns of human sleep spindle generation in different cortical layers using microelectrode recordings and factor analysis.

Superficial Slow Rhythms Integrate Cortical Processing in Humans

The paper shows that superficial slow rhythms in the human cortex generate EEG activity and integrate cortical processing during wakefulness and sleep.

Revealing The Distribution Of Transmembrane Currents Along The Dendritic Tree Of A Neuron With Known Morphology From Extracellular Recordings

The paper estimates transmembrane current distribution in a neuron with known morphology using extracellular recordings and simulations.