Tactile and Sensory Interactions

This study shows that primary sensory neurons in the rodent vibrissal system encode complex 3D tactile stimuli continuously and multidimensionally, without preferring principal components or binary adaptation classes.

This study shows that training with a visual-to-auditory conversion device leads to perceptual plasticity, with performance influenced by both visual and auditory processes.

This study investigates how mice discriminate tactile shapes by analyzing neuronal activity in the barrel cortex during a shape discrimination task.

The paper uses population receptive field modeling to show a functional hierarchy in human primary somatosensory cortex, with increasing pRF sizes from BA3 to BA2.

This study investigates how early vision loss in opossums affects texture discrimination behavior, showing that early blind animals use tactile inputs more effectively than sighted controls.

This study shows that tactile motion perception of the whole hand exhibits directional biases similar to the visual Oblique Effect, using mid-air ultrasound stimulation.

This study investigates whether perceptual rivalry, observed in visual and auditory modalities, occurs with vibrotactile stimuli.

This study investigates how mice use active whisker touch to discriminate surface orientations, showing spatial integration in the barrel cortex is essential for this task.

The paper develops a mechanical model of the whisker follicle to simulate whisker deformation during passive contact and active whisking, predicting how muscle contraction and blood pressure affect tactile sensitivity.

The paper examines the spatial resolution of FA-1 and SA-1 tactile neurons using raised dots, finding their resolution corresponds to a spatial period of ~0.4 mm.

This study shows that neurons in the human posterior parietal cortex encode both felt and imagined touch, suggesting a role in semantic processing and sensory anticipation.

This study uses 7T fMRI to investigate palm and finger representations in primary somatosensory cortex, finding that functional interactions are better predicted by hand structure than somatotopic organization.

The paper shows that sustained mechanical pressure inhibits tingling sensations induced by sanshool on the lips, indicating interaction between somatosensory submodalities.

This study investigates how between-probe haptic variability affects stiffness perception and grip force adjustment, finding that medium variability induces perceptual uncertainty and alters grip force control.

This study uses fMRI to examine time-dependent brain activity during haptic 3D curve and roughness estimation, finding differential activation patterns in sensorimotor and higher-level regions.

The paper reconstructs tactile space from fMRI data and finds that primary somatosensory and motor cortices encode tactile space with perceptual distortions.

The paper uses fMRI to study somatotopic organization in the human primary somatosensory cortex, finding group-level consistency with the homunculus model but individual variation.

The paper tests a hypothesis about sensory map organization by reversing motion sequences on the skin and measuring the resulting perceptual aftereffects.

The paper investigates how lateral inhibition in somatosensory processing changes based on whether participants compare or combine tactile stimuli, finding reduced suppression during combination.

This study shows that USH2A is essential for vibration sensing in mice and humans by being expressed in Meissner corpuscle end-organs, not in sensory neurons.

This paper describes an automated homecage system for training mice in multiwhisker discrimination learning using air current stimulation and water reward, showing rapid learning and performance improvements.

The paper shows how synaptic integration across first-order tactile neurons enables accurate and rapid orientation processing of moving edges on the fingertip.

The paper identifies brain regions that represent abstract choices in vibrotactile comparisons, independent of sensorimotor components, using fMRI-MVPA and a modified task.

This study uses sensory substitution in deaf songbirds to show that visual feedback can drive vocal learning and reveal a bias for actions that provide feedback.

This paper introduces a method to measure skin-to-skin touch by detecting tactile waves using an accelerometer, showing sensitivity to touch tonicity and speed.

The paper uses MEG data to classify spectral profiles in congenitally blind and sighted individuals, revealing region-specific changes linked to adaptive brain plasticity.

The paper examines the gradient of tactile properties in rat whiskers, finding a rostral-caudal gradient in sensitivity and function for texture discrimination and edge detection.

The paper investigates whether visual static and dynamic stimuli can convey similar information about material softness as haptic perception.

The paper estimates tactile afferent fiber densities across the whole body using multiple methods and finds that the total number of tactile fibers is approximately 230,000 with regional variations.