Action Observation and Synchronization

Alpha-Band Inter-brain Connectivity during Minimal Tactile Interaction: An Exploratory Hyperscanning Study

This study explores inter-brain synchronization during minimal tactile interaction using EEG hyperscanning and identifies alpha-band connectivity patterns, though results are preliminary and not individually significant.

Cerebellar control over inter-regional excitatory/inhibitory dynamics discriminates execution from observation of an action

The paper uses DCM on fMRI data to show cerebellar control switches from excitatory to inhibitory during action execution versus observation, revealing distinct functional roles in motor planning and sensorimotor feedback.

Action observation responses in macaque frontal cortex

The paper investigates AOENs in multiple frontal areas, finding similar phasic responses and shared representations between action execution and observation.

Disentangling Prediction and Feedback in Social Brain Networks: A Predictive Processing Approach

The paper uses predictive processing theory to identify distinct brain regions involved in prediction formation and feedback processing during social cognition tasks, revealing functional dissociations in social brain networks.

Making new connections: An fNIRS machine learning classification study of neural synchrony in the default mode network

This study uses machine learning to classify social connection based on DMN neural synchrony during conversations, finding that synchrony in specific brain regions predicts self-reported connection.

Interpersonal alignment in infra-slow EEG rhythms and bodily signals anticipates mutual recognition

This study examines infra-slow EEG rhythms and bodily signals during social interaction, finding that inter-participant alignment in these signals correlates with mutual recognition.

The visual encoding of familiar and unfamiliar tools

This study shows that familiarity with tools affects how people visually explore them, with familiar tools leading to earlier and sustained attention on manipulative features.

Promoting social connectedness through multi-person neurofeedback

This study shows that multi-person neurofeedback increases inter-brain coupling and social connectedness in dyads compared to a control group.

Neural mechanisms for visuomotor co-regulation in social synchronization

The paper investigates neural mechanisms underlying visuomotor co-regulation in social synchronization using fMRI, finding distinct brain activity patterns for joint action and non-interactive conditions.

Assessing analysis methods of brain synchrony in social interaction: Simulation-based comparison

This paper compares methods for analyzing brain synchrony in social interactions using simulations and proposes a new GLM-based approach that better captures dynamic relationships.

Inter-brain similarity and connectivity based on EEG hyperscanning during patient-acupuncturist interactions

This study uses EEG hyperscanning to examine inter-brain similarity and connectivity during patient-acupuncturist interactions, finding that acupuncture affects both spatial correlation and specific frequency band connectivity.

Neural oscillatory dynamics in joint action: distinct contributions of entrainment and beta modulation to self/other integration

This study investigates how neural entrainment and beta modulation contribute to self/other integration during joint action using virtual reality and EEG hyperscanning.

Interpersonal Synchrony and Implicit Identification

The paper examines how synchronous movement affects implicit self-concept and self-other blurring using the IAT and IOS scale, finding increased self-other blurring and altered semantic associations with synchronous group images.

EEG of the dancing brain: Decoding sensory, motor and social processes during dyadic dance

This paper uses multivariate modeling of EEG data from dyadic dance to decode neural processes related to music, movement, and social coordination, identifying a new neural marker for social alignment.

The bodily appearance of a virtual partner affects the activity of the action observation and action monitoring systems in a minimally interactive task

This study investigates how the bodily appearance of a virtual partner affects brain activity related to action observation and monitoring during a minimally interactive task.

Shared and Unique Neural Codes for Biological Motion Perception in Humans and Macaque Monkeys

The paper investigates how humans and macaques process biological motion stimuli from their own and other species, finding shared and distinct neural coding patterns in brain regions involved in motion perception.

Predictive processing in the cortical network of biological motion perception: An fMRI-DCM study

This fMRI study investigates how prior expectations influence biological motion perception using predictive cueing, showing expectation-dependent modulation of the action observation network.

Emotional Content and Semantic Structure of Dialogues Are Associated With Interpersonal Neural Synchrony in the Prefrontal Cortex

This study finds that emotional content in dialogues predicts prefrontal neural synchrony better than syntactic/semantic features, with emotional content showing stronger overall associations.

Decoding the physics of observed actions in the human brain

This study investigates how the human brain decodes physical action features by analyzing neural responses in parietal cortex and LOTC to different types of action stimuli.

M1 Large-scale Network Dynamics Support Human Motor Resonance and Its Plastic Reshaping

This study investigates how sensorimotor associative learning reshapes motor resonance in M1 using PAS, revealing distinct neural dynamics in alpha and beta bands.

Action features dominate cortical representation during natural vision

The paper evaluates how action, agent, and scene features predict cortical activity during natural vision and finds action features capture the most unique variance across the cortex.

Two-brain microstates: A novel hyperscanning-EEG method for quantifying task-driven inter-brain asymmetry

This paper introduces a novel hyperscanning-EEG method using two-brain microstates to quantify task-driven inter-brain asymmetry during social interactions.

Natural body-selective motion processing in humans: Evidence from event-related potentials

The paper shows that the human cortex distinguishes naturalistic body motion from objects at the P2 stage, with similar body-specific modulation across human and monkey stimuli.

Altered Cortical Network Dynamics during Observing and Preparing Action in Patients with Corticobasal Syndrome

This study examines cortical network dynamics during action observation and preparation in corticobasal syndrome patients, finding reduced beta power suppression and altered timing in CBS compared to controls.

How Acting Jointly Differs from Acting Side-by-Side: A Dual EEG Study

The paper uses dual EEG to compare neural dynamics during joint and parallel action preparation, finding a distinctive ERP amplitude swap with late-phase reductions linked to partner behavior variability.

Behavioral and neural evidence for perceptual predictions in social interactions

The paper tests if social predictions during observation of interactions influence perception of emotional expressions, finding behavioral and neural evidence for this effect.

Mapping brain function underlying naturalistic motor observation and imitation using high-density diffuse optical tomography

This study uses HD-DOT to examine brain activation during motor observation and imitation in autistic and non-autistic adults, finding task-specific MNS activation and associations with autistic traits.

A computational and multi-brain signature for aberrant social coordination in schizophrenia

This study examines social coordination in schizophrenia using a joint finger-tapping task and finds disrupted inter-brain synchronization and behavioral coordination.

Behaviorally-relevant features of observed actions dominate cortical representational geometry in natural vision

The paper shows that behavioral models of action purpose and social content better predict neural representational geometry than other models in the action observation network.

Shared Rhythm to Shared Vision: Synchronous Marching increases Conformity on Perceptual Decision making

This study finds that synchronous marching increases conformity in perceptual decision-making tasks under low stimulus conditions.