Dora Hermes

Electrical perturbation reveals a directional architecture for communication across human visual streams

The paper uses electrical stimulation to map directional connectivity in human visual cortex, revealing an asymmetric architecture of interareal influence.

Network- and Measure-Specific Mid-Term Reliability of Multi-Echo Resting-State Functional Magnetic Resonance Imaging on a Compact 3 Tesla Scanner

This paper evaluates mid-term reliability of rs-fMRI measures and functional networks on a Compact 3T scanner, finding greater variability across measures and networks than acquisition methods.

White matter conduction in the human brain is mostly slow, with rare high velocity connections

The paper measures conduction velocities in human white matter bundles using dMRI tractography and intracranial stimulation, finding high variability and a predominance of slow connections.

Single pulse electrical stimulation in white matter modulates iEEG visual responses in human early visual cortex

This study shows that single electrical pulses in white matter modulate visual evoked potentials but not broadband responses, suggesting additive noise effects and enhanced visual input synchrony.

Attention reshapes the information dynamics of thalamic and cortical prediction-error learning

This study investigates how attention modulates prediction-error (PE) encoding in thalamic and cortical circuits during learning, revealing distinct informational dynamics and reorganization of PE representations.

Broadband synergy versus oscillatory redundancy in the visual cortex

The paper investigates the roles of broadband and narrowband gamma oscillations in visual information encoding using ECoG and LFP data from humans and macaques, finding broadband signals to be synergistic and narrowband gamma to be redundant.

Insulotaxy: Navigating the Human Insula with a Novel Stereotactic Framework

This paper introduces a novel stereotactic coordinate system for the insula to improve surgical targeting and outcome assessment by accounting for individual anatomical variability.

Feasibility of Stereo EEG Based Brain Computer Interfacing in An Adult and Pediatric Cohort

This study evaluates stereo EEG-based brain-computer interfacing (BCI) in adults and children, finding that overt motor BCI is more effective than imagery BCI, with performance varying by age and cortical region.

Approximating Signal Sources in Stereo-EEG Single Pulse Electrical Stimulation using Re-referencing and Spectral Analysis

The paper compares re-referencing and spectral analysis techniques to estimate BSEP source locations in sEEG data from human subjects.

Proper reference selection and re-referencing to mitigate bias in single pulse electrical stimulation data

The paper identifies reference contamination in single pulse electrical stimulation data and provides strategies to detect and mitigate it through re-referencing or data recollection.

The Human Insula Encodes Somatotopic Representation of Motor Execution with an Effector-Specific Connectomic Map to Primary Motor Cortex

The paper maps motor execution representation in the human insula, showing somatotopic organization and effector-specific connectivity to primary motor cortex.

Dissociating stimulus encoding and task demands in ECoG responses from human visual cortex

The paper examines ECoG responses in human visual cortex to determine how sensory encoding and task demands influence neural activity, finding distinct frequency-dependent effects.

Human pulvinar stimulation engages select cortical pathways in epilepsy

This study shows that electrical stimulation of different pulvinar subregions in epilepsy patients evokes distinct patterns of brain activity in occipital, parietal, and temporal areas.

Spatial and Spectral Changes in Cortical Surface Potentials during Pinching versus Thumb and Index Finger Flexion

The paper analyzes ECoG signals during different hand movements to understand cortical activity patterns and their spatial overlap, finding that pinching shows higher overlap with index finger flexion.

Cross-species brain-wide mapping reveals a conserved and coordinated network engaged by NAc DBS

This study maps the brain-wide network activated by NAc DBS in mice and finds similar connectivity patterns in humans, suggesting conserved mechanisms across species.

Functional Mapping of Movement and Speech Using Task-Based Electrophysiological Changes in Stereoelectroencephalography

This study develops a functional brain mapping technique using task-based electrophysiological changes in sEEG to identify movement and speech areas in epilepsy patients.

Bred for affection: The canine anterior ectosylvian gyrus responds selectively to social reinforcement

The paper implants a neuromodulation platform in a beagle to study brain activity, finding the anterior ectosylvian gyrus responds selectively to social reinforcement, suggesting speech understanding may evolve from social brain structures.

ER-detect: a pipeline for robust detection of early evoked responses in BIDS-iEEG electrical stimulation data

ER-detect automates the detection of early evoked responses in iEEG data, achieving performance comparable to inter-rater reliability.

Signatures of electrical stimulation driven network interactions in the human limbic system

The paper identifies unique stimulation-evoked waveforms in distinct limbic subsystems using intracranial recordings, suggesting potential biomarkers for limbic network function.

Canonical Response Parameterization: Quantifying the structure of responses to single-pulse intracranial electrical brain stimulation

This paper introduces a method to quantify and compare brain stimulation response shapes using canonical response parameterization, enabling statistical analysis of single-pulse intracranial electrical stimulation data.

Electrical stimulation of temporal and limbic circuitry produces distinct responses in human ventral temporal cortex

This study uses electrical stimulation to identify distinct electrophysiological responses in the human ventral temporal cortex, revealing different input connectivity profiles from cortical and limbic regions.

Homunculus Interruptus: A motor association area in the depth of the central sulcus

The paper identifies a motor association area in the central sulcus that interrupts the topological map of body movements generated by the precentral gyrus.

Measuring brain beats: cardiac-aligned fast fMRI signals

The paper measures cardiac-aligned fast fMRI signals to assess blood and CSF flow dynamics in the brain using SMS acquisition methods.

The development of efficient communication in the human connectome.

This study shows that neuronal communication speed increases with age, reaching peak efficiency in middle age, across both long- and short-range brain connections.

Basis profile curve identification to understand electrical stimulation effects in human brain networks

This paper introduces a data-driven method to identify basis profile curves from brain stimulation responses, enabling interpretation of neural interactions in human brain networks.

Typical somatomotor physiology of the hand is preserved in a patient with an amputated arm

The paper investigates motor cortex electrophysiology in an amputee, finding preserved hand representations and high decoding accuracy for finger movements.

An image-computable model for the stimulus selectivity of gamma oscillations

The paper develops a model to predict gamma oscillation responses to arbitrary images and validates it on human ECoG data, finding that gamma responses are stimulus-specific and may indicate gain control rather than information transfer.

Neuronal synchrony and the relation between the BOLD response and the local field potential.

The paper models neuronal population responses and their transformations into BOLD and ECoG signals, finding that BOLD and ECoG provide complementary information with distinct relationships to neuronal synchrony.