Tactile and Sensory Interactions

Intensity-dependent topographical expansion of sensory representations

The paper shows that higher-intensity sensory stimulation expands neural activation topography across multiple modalities, challenging the assumption of fixed neural populations.

Illusory cold desensitizes touch

The paper investigates how cold perception affects touch sensitivity using a thermal illusion and a computational model, finding that subjective cold perception modulates tactile detection thresholds.

Peri-Head Distance Coding in the Mouse Brainstem

This study identifies two distance-coding schemes in mouse brainstem neurons during wall-passing behavior: a proximity code and a map code, with the map code providing better population decoding of distance.

Electrostatic Actuation Induces Competing Adhesion and Vibration Regimes at Fingertip Contact

This study investigates how electrostatic actuation affects finger-surface contact by measuring contact area and force dynamics, revealing two distinct regimes: vibration and adhesion.

Gaze-centered spatial coding of touch on a hand-held tool

The paper investigates how humans project tactile sensations onto hand-held tools using a model-driven psychophysics experiment, finding that touch is remapped into gaze-centered coordinates.

Temporal Phase Differences Encode Tactile Motion from Static Vibrotactile Inputs

The paper shows that directional tactile motion can be perceived from static vibrotactile inputs with phase differences, using psychophysical experiments in humans.

Whisker-based pre-neuronal and peripheral encoding of surface stickiness

This study investigates how stickiness information is encoded in whisker-surface interactions and neuronal responses in rodents.

Spatiotemporal encoding of touch signals in the human somatosensory and motor cortices

This study maps neural responses to touch in human somatosensory and motor cortices, revealing somatotopic activation in motor cortex during passive touch and limited vicarious encoding during observation.

Domain - Specific Functional Plasticity of Visual Processing Constrained by General Cognitive Ability in Deaf Individuals

This study examines how deafness affects visual processing across different domains and finds that cognitive abilities, particularly fluid intelligence, influence specific visual sensitivities in deaf individuals.

Athletes exposed to uncommon vestibular stimulation strengthen their tactile-neural pathway

The paper shows athletes with vertiginous training and patients with vestibular loss both show neural plasticity, but athletes have enhanced tactile-brain coupling without balance issues.

Single human fingertip mechanoreceptive afferents simultaneously encode multidimensional aspects of touch

The paper studies how different mechanoreceptor afferents encode multiple aspects of touch during sliding contact, showing that FA-1 afferents respond to force, velocity, and spatial period, while SA-1 afferents mainly respond to force.

Whole-fingertip 3D Skin Surface Deformation under Tangential Loading

The paper quantifies fingertip skin deformation under tangential loading using 3D imaging, showing most deformation occurs in out-of-contact regions and exhibits directional asymmetry and wrinkling.

Translating Music to Touch: Exploring Tactile Perception of Pitch, Roughness, and Pleasantness

This study explores how auditory music perception dimensions can be translated into tactile perception, finding that tactile pitch relates to stimulus frequency and that rapid temporal transitions are key for pitch encoding.

Ultra-high field fMRI reveals functional patterns consistent with columnar organisation in human somatosensory cortex

This study uses ultra-high field fMRI to identify columnar-like functional patterns in human somatosensory cortex through vibration stimulation and cortical surface modelling.

Precision cutaneous stimulation in freely moving mice

This paper introduces a system for precise cutaneous stimulation of freely moving mice during natural behaviors, showing that stimuli applied during motion rapidly modify behavior.

Probabilistic Perceptual Decisions During Navigation Are Driven by Small Subpopulation of Neurons in a Single Cortical Column of Primary Somatosensory Cortex

The paper shows that a small subpopulation of neurons in layer 4 of a single cortical barrel in wS1 drives perceptual decisions during whisker-guided navigation in mice.

Tactile and pain mechanical sensitivity of the human hand

This study maps mechanical sensitivity across the human palm, finding higher tactile sensitivity in distal areas and inverse correlation between tactile and pain sensitivity.

Speed-dependent modulation of tactile edge orientation discrimination

The paper tests how movement speed affects edge-orientation discrimination during active tactile exploration, finding improved performance at very slow speeds and worse performance at faster speeds.

The activation of CT fibers or affective touch does not affect pain sensitization by secondary hyperalgesia

This study investigates whether CT fiber activation via affective touch influences pain sensitization through secondary hyperalgesia, finding no significant modulation despite reduced acute pain in some conditions.

Biomechanical simplification of the motor control of whisking

The paper investigates how the biomechanics of the rat whisker array simplify motor control during whisking by simulating uniform motor commands and analyzing resulting movements.

The spatial coding of touch is defined in intrinsic, limb-specific coordinates: an EEG study

This study uses EEG to show that touch is encoded in an intrinsic, limb-specific spatial code rather than an extrinsic, limb-independent one.

Humans Optimally Integrate Cutaneous and Proprioceptive Cues In Haptic Size Perception

The paper investigates how humans combine cutaneous and proprioceptive cues for haptic size perception and finds they integrate cues optimally.

Cortical integration of tactile inputs distributed across timescales

The paper investigates how tactile inputs are integrated across different timescales using EEG recordings and finds that early and late cortical stages are influenced by preceding intervals, while intermediate stages are influenced by both previous and penultimate intervals.

Crossing effects in the tactile temporal order judgment task: A meta-analysis

This paper conducts a meta-analysis of the tactile temporal order judgment crossing effect, finding a large effect size but limited moderator significance.

Modeling 2D Spatio-Tactile Population Receptive Fields of the Fingertip in Human Primary Somatosensory Cortex

The paper estimates 2D spatio-tactile population receptive fields in human BA3b using fMRI and finds that the ulnar-to-radial fingertip axis maps to a superior-to-inferior axis in BA3b.

Unveiling interactions of spatial-temporal information in tactile motion perception

This study investigates spatial-temporal dynamics in tactile motion perception through psychophysical experiments, revealing quadrant-dependent anisotropic distortion and improved modeling of speed perception.

From Hands to Feet: Experience-Driven Plasticity in Secondary Somatosensory Cortex in People Born without Hands

This study shows that people born without hands exhibit functional reorganization in the secondary somatosensory cortex (SII) due to lifelong compensatory foot use, indicating experience-driven plasticity beyond primary somatosensory cortex (SI).

Repetition suppression for mirror images of objects and not Braille letters in the ventral visual stream of congenitally blind individuals

This study investigates mirror invariance in congenitally blind individuals using fMRI, finding differences in neural processing of tactile objects and Braille letters compared to sighted individuals.

Sub-surface deformation of individual fingerprint ridges during tactile interactions

This study investigates how individual fingerprint ridges deform during tactile interactions and finds that ridge flanks and their relative movement, rather than overall bending, are the primary sources of deformation and potential neural responses.

Pleasant touch mediated by Aβ-afferents remains primarily dependent on tactile velocity

This study investigates the role of Aβ-afferents in pleasant touch by comparing vibrotactile and brush stroking, finding that pleasantness follows an inverted-U curve and is influenced by velocity inference.