Andreas Keil

Heightened Distraction under Competition in Obsessive-Compulsive Disorder

This study investigates attentional allocation to affective and disorder-relevant stimuli in OCD using ssVEPs and the DUC model, finding heightened distraction to unpleasant and OCD-evoking pictures in OCD participants.

The Contribution of the Koniocellular Visual Pathway to Aversive Learning in Human Visual Cortex

This study investigates how the koniocellular visual pathway contributes to aversive learning by comparing ssVEP responses to threat and safety cues using tritan and luminance stimuli.

Visual Emotion Perception in a Deep Neural Network Model with Both Bottom-Up and Top-Down Connections

This paper introduces EmoFB, a deep neural network model that simulates emotional perception by integrating top-down feedback signals, showing improved recognition and alignment with human brain responses.

Resolving Competition in Auditory Cortex: Effects of Emotional Content and Misophonia Sensitivity

The paper investigates how emotional content and misophonia sensitivity affect auditory cortex responses to concurrent sounds using ASSR and other measures.

Biologically Inspired Deep Neural Network Models for Visual Emotion Processing

This paper introduces a biologically inspired deep neural network model for visual emotion processing and shows it accurately predicts human emotion ratings and aligns with amygdala activity.

Contingency awareness shapes neural responses in fear conditioning

This study shows that contingency awareness is necessary for fear conditioning, as evidenced by neural responses in the aware group during a task involving conditioned and unconditioned stimuli.

Comparing Methods for Mass Univariate Analyses of Human EEG: Empirical Data and Simulations

The paper compares mass univariate methods for EEG analysis using empirical data and simulations, finding cluster-based permutation tests are sensitive while permutation-based tmax is conservative.

Rhythmic Sampling and Competition of Target and Distractor in a Motion Detection Task

The paper investigates rhythmic sampling of target and distractor information in a motion detection task and finds that their temporal phase relationship affects task performance.

Bayesian multilevel modeling of group and participant level effect sizes: Stronger inter-individual differences in pupil dilation compared to EEG alpha power during aversive conditioning

This study compares pupil dilation and EEG alpha power during aversive conditioning, finding greater inter-individual variability in pupil dilation effects at the participant level.

Emotional Responses to Naturalistic and AI-generated Affective Pictures: A Systematic Comparison

This study compares emotional responses to AI-generated and naturalistic affective pictures, finding that AI pictures elicit similar self-reported and physiological responses to original stimuli.

Representational Competition of Spatially and Temporally Overlapped Target and Distractor

The paper tests how distractor stimuli affect target stimulus processing by measuring decoding accuracy and behavioral performance in different brain regions.

Neural representation of emotional valence in human amygdala

This study compares univariate and multivariate models of emotional valence encoding in the human amygdala using fMRI, finding that core amygdala regions use global activation rather than distributed patterns.

Concept2Brain: An AI model for predicting subject-level neurophysiological responses to text and pictures

Concept2Brain generates synthetic electrophysiological responses to text and pictures using a deep learning model, enabling reproducible EEG datasets and AI-driven brain activity modeling.

Beyond Threat: Changes in Visuocortical Engagement and Oscillatory Brain Activity during Non-Aversive Associative Learning

The paper investigates neural responses during non-aversive associative learning and finds increased alpha amplitude and reduced ssVEP compared to aversive conditioning.

Social Anxiety Increases Autonomic and Visuocortical Generalization of Conditioned Aversive Responses to Faces

This study shows that social anxiety disorder is linked to broader generalization of aversive responses to faces, with increased visuocortical and pupil dilation responses to facial stimuli.

Stimulus repetition induces a two-stage learning process in primary visual cortex

This study investigates how repeated stimulus exposure affects neural responses in the primary visual cortex, revealing a two-stage learning process involving fatigue and sharpening mechanisms.

Robust single-trial estimates of electrocortical generalized aversive conditioning: Validation of a Bayesian multilevel learning model

The paper validates a Bayesian multilevel learning model for estimating single-trial electrocortical responses during aversive conditioning, showing improved accuracy and handling of missing data.

Decoding in the fourth dimension: Classification of temporal patterns and their generalization across locations

The paper introduces a decoding method using temporal features from neural time series to classify experimental conditions and assess generalization across sensor locations.

Neurophysiological and Autonomic Dynamics of Threat Processing During Sustained Social Fear Generalization

The paper investigates threat processing during sustained social fear generalization using EEG and pupillometry, finding visuocortical sharpening and sustained autonomic responses without prior conditioning.

Quantifying Population-level Neural Tuning Functions Using Ricker Wavelets and the Bayesian Bootstrap

This paper introduces a method using Ricker wavelets and Bayesian bootstrap to quantify neural tuning functions in human EEG data during aversive learning, showing improved fit and interpretability compared to traditional models.

Quantifying Variability in Attentional Shifts During Target Switching Using Steady-State Visual Evoked Potentials

This study uses steady-state visual evoked potentials to measure attentional shifts during target switching, revealing both group-level patterns and individual variability in attentional dynamics.

Effects of Neurofeedback training on performance in laboratory tasks: A systematic review

This review evaluates neurofeedback's impact on task performance in healthy participants, finding limited statistically significant effects and variability in study design.

Decoding the temporal dynamics of affective scene processing

The paper uses EEG-fMRI data to decode the temporal dynamics of affective scene processing, finding distinct neural activity patterns for pleasant and unpleasant images.

Effects of Aversive Classical Conditioning on Pupil Dilation and Microsaccades

This study examines how aversive classical conditioning affects pupil dilation and microsaccades, finding differential responses in pupillary light response and microsaccade suppression.

Oscillatory brain activity links experience to expectancy during associative learning

This study uses computational modeling and machine learning to show that alpha-band neural oscillations are involved in updating expectations during associative learning.

Aversive Conditioning of Spatial Position Sharpens Neural Population-level Tuning in VisualCortex and Selectively Reduces Alpha-band Activity

This study shows that aversive conditioning sharpens visuocortical spatial tuning and reduces alpha-band activity at conditioned locations.

Decoding Multivoxel Representations of Affective Scenes in Retinotopic Visual Cortex

This study uses EEG and fMRI with machine learning to show that affective pictures evoke valence-specific neural representations in retinotopic visual cortex, influenced by limbic and frontal connectivity.

Fear conditioning prompts sparser representations of conditioned threat in primary visual cortex

This study shows that fear conditioning leads to sparser neural representations of threat cues in primary visual cortex, associated with changes in alpha oscillations and BOLD signals.

Extinction-resistant attention to long-term conditioned threat is indexed by selective visuocortical alpha suppression in humans

The paper shows that threat conditioning leads to long-term visuocortical alpha suppression that resists extinction, indicating sustained attention to threat.

Sleepless and Desynchronized: Impaired Inter Trial Phase Coherence of Steady-State Potentials Following Sleep Deprivation

This study shows that sleep deprivation reduces inter trial phase coherence (ITPC) of steady-state visual evoked potentials, linking it to impaired cognitive performance.