Tactile and Sensory Interactions

Dynamics of sensorimotor plasticity during spatial finger augmentation

This study investigates how the brain integrates a wearable finger-extension device into somatosensory representations across different interaction phases, finding three distinct phases of plasticity.

Reliability of tactile perception and suppression measurements

This study assesses the reliability of tactile perception and suppression across time, finding robustness in resting conditions but variability in movement conditions without clear patterns.

Dynamic recruitment of PV interneurons in the somatosensory cortex induced by experience dependent plasticity

This study investigates how PV interneuron activity changes in the somatosensory cortex during whisker trimming and shows that modulating PV activity alters microcircuit dynamics.

Infectious touching: Has COVID-19 changed our perceptions of social touch? A neural and behavioral study

This study examines how the COVID-19 pandemic altered perceptions of social touch by comparing behavioral and neural responses to social and nonsocial touch in pre- and post-pandemic groups.

Beyond Reorganization: Intrinsic cortical hierarchies constrain experience-dependent plasticity in sensory-deprived humans

This study shows that intrinsic cortical hierarchies constrain experience-dependent plasticity in sensory-deprived humans, preserving functional gradients while allowing adaptive reorganization.

Developing a Sensory Representation of an Artificial Body Part

This study shows that wearable robotic devices provide natural sensory feedback that is quickly integrated into the body's representation and becomes more embodied with long-term use.

Memory at your fingertips: how viscoelasticity affects tactile neuron signaling

This study investigates how viscoelastic properties of human skin influence tactile neuron signaling during object manipulation, finding that neurons encode both current and past loading information.

Lamellar Schwann cells in the Pacinian corpuscle potentiate vibration perception

This study identifies lamellar Schwann cells in Pacinian corpuscles as key elements that potentiate mechanosensitivity through structural and functional interactions with afferent axons.

On the Geometry of Somatosensory Representations in the Cortex

The paper investigates the large-scale organization of somatosensory maps in the cortex, finding radial geometry and orthogonality between body representation and hierarchy in S1, with similar patterns in visual and auditory systems.

Neural and behavioral adaptation to bilateral maps in primary somatosensory cortex

This study shows that mice can adapt to altered somatotopic maps in the whisker somatosensory cortex, maintaining accurate sensorimotor representations despite abnormal bilateral whisker representations.

Comparison of TENS electrodes and textile electrodes for electrocutaneous warning

This study compares textile electrodes and TENS electrodes for electrocutaneous warning, finding lower perception thresholds and less muscle twitching with textile electrodes.

Somatosensory cortical representations of assimilation effect by vibrotactile stimulation

This study examines neural correlates of the assimilation effect in vibrotactile perception using fMRI, finding that connectivity between somatosensory cortex and higher-order regions correlates with in-hand and across-hand assimilation effects.

Cue Integration of Texture and Elasticity Induces Roughness Metamers in Touch

The paper investigates how texture and elasticity jointly influence perceived roughness by identifying haptic roughness metamers through a Bayesian optimization task.

Activity-dependent development of the body's touch receptors

This study shows that neuronal activity is essential for the development of touch receptors, as genetic disruption of Piezo2 and Nav1.6 leads to structural and functional defects in mechanosensory neurons.

Single-shot detection of microscale tactile features

The paper investigates movement strategies for detecting microscale tactile features and finds that participants can detect features as small as 2 micrometers using a single contact event with optimized movement control.

Guided by touch: Tactile Cues in Hand Movement Control

This study shows that tactile cues influence hand movement control, with reduced performance when tactile sensation is dampened, highlighting touch's role in movement accuracy.

Three cortical streams for somatosensory information processing

This study identifies three cortical streams for somatosensory information processing in macaques by integrating receptor covariance and connectivity data.

Gray matter volume increase in the retrosplenial/posterior cingulate cortices of blind soccer players

This study finds that blind soccer players show increased gray matter volume in the RSC/PCC compared to blind non-soccer players, suggesting brain adaptation to spatial navigation without vision.

The validated touch-video database

The paper introduces the Validated Touch-Video Database (VTD), a resource of 90 videos depicting tactile interactions, validated by participants to study the sensory and emotional dimensions of observed touch.

Wide visual angle enhances social interaction in a realistic virtual reality environment under simulated artificial vision

This study shows that a wider visual field in simulated artificial vision improves social interaction tasks in virtual reality, enhancing accuracy and task execution.

Neural dynamics of induced throat vibrations during vocal emotion recognition

This study investigates how induced throat vibrations influence emotional vocalization categorization and shows that vibrations modulate early neural responses during emotion recognition.

Characteristics of Tactile Orientation Perception: Oblique Effect, Active vs Passive Exploration, and Serial Dependence

This study investigates tactile orientation perception, finding that active exploration improves acuity, a robust oblique effect exists, and serial dependence is driven by post-perceptual processing.

Unraveling the impact of congenital deafness on individual brain organization

This study investigates individual differences in brain reorganization due to congenital deafness, finding greater functional connectivity variability in deaf individuals compared to hearing individuals, influenced by language experience.

Spatial flexibility of distractor suppression in the tactile modality

This study investigates distractor suppression in tactile perception by cueing distractor locations, finding that proactive cueing improves discrimination accuracy and suggests spatial flexibility in suppression mechanisms.

Cross-modal interactions and movement-related tactile gating: the role of vision

This study investigates how active movement and vision affect tactile perception, finding that sighted individuals show reduced precision in audio-tactile tasks during active touch, while blind individuals are unaffected.

Autonomic modulations to cardiac dynamics in response to affective touch: Differences between social touch and self-touch

The paper investigates autonomic modulations in cardiac dynamics during social touch, self-touch, and object-touch, finding greater sympathetic decrease and parasympathetic increase during social touch.

A prenatal window for enhancing spatial resolution of cortical barrel maps

The paper shows that prenatal whisker ablation enhances upper lip whisker barrel definition through thalamic transcriptional changes, independent of receptor type and density.

Tactile Illusion Reveals Central Neural Basis for Touch Pleasantness

This study investigates the neural basis of touch pleasantness by comparing two motion conditions and finds that velocity tuning of pleasantness is not solely dependent on peripheral C-LTMRs.

The P50 predicts conscious perception under tactile but not electrical somatosensory stimulation in human EEG

The paper compares ERP components predicting conscious perception under tactile vs. electrical somatosensory stimulation, finding P50 predicts tactile detection but not electrical.

Structural and functional dissection of the Pacinian corpuscle reveals an active role of the inner core in touch detection

This study reveals that the inner core of Pacinian corpuscles, not the outer core, mediates rapid adaptation and frequency tuning in touch detection.