Tactile and Sensory Interactions

Somatosensory Cortex of Macaque Monkeys is Designed for Opposable Thumb

The paper shows that in macaque monkeys, the thumb representation in area 3b of the somatosensory cortex is processed in an independent module compared to other digits.

A vibrissa pathway that activates the limbic system

This study maps the paralemniscal vibrissa pathway in rodents, showing it connects to brainstem autonomic regions and forebrain emotional centers, with GABAergic inhibition in the Kolliker-Fuse nucleus.

Naturalistic audio-movies reveal common spatial organization across "visual" cortices of different blind individuals

The paper investigates whether deafferented visual cortices of blind individuals represent common spatial maps of naturalistic auditory stimuli, finding shared cross-subject pattern similarity in visual cortex for meaningful stimuli.

Alpha oscillations are involved in localizing touch on hand-held tools

The paper investigates how alpha oscillations contribute to localizing touch on hand-held tools by analyzing EEG data during tactile stimulation tasks.

A topographical and physiological exploration of C-tactile afferents and their response to menthol and histamine.

The paper investigates the distribution and physiological properties of C-tactile afferents in human arm and leg nerves, finding they are more sparse in the lower leg and insensitive to menthol and histamine.

Preference for animate domain sounds in the fusiform gyrus of blind individuals is modulated by shape-action mapping

The paper shows that blind individuals' fusiform gyrus responds to human facial expression sounds, linking shape and action, but not to speech or animal sounds.

A neural surveyor to map touch on the body

The paper proposes a neural network model that uses multilateration to decode touch location on the body, showing it matches psychophysical experiments.

Unsupervised learning of haptic material properties

This study uses an autoencoder to learn a compressed representation of vibratory patterns from haptic exploration, enabling material classification and revealing similarities to human tactile perception.

Action enhances predicted touch

The paper investigates whether predictive mechanisms in action reduce or enhance tactile perception, finding that expected touch during action is perceived more intensely than unexpected touch.

Sensory computations in the cuneate nucleus of macaques

The paper investigates tactile signal processing in the cuneate nucleus of macaques and finds that CN neurons exhibit response properties more similar to cortical neurons than to their peripheral inputs.

Respiration, heartbeat, and conscious tactile perception

The paper investigates how respiration and heartbeat influence tactile perception by analyzing timing of stimulation during the cardiac cycle and its effects on detection rates.

Modulation of cutaneous responses in the cuneate nucleus of macaques during active movement

The paper was withdrawn due to an error in the data processing pipeline, and the authors do not wish it to be cited.

More than a feeling: scalp EEG and eye correlates of conscious tactile perception

The paper develops a tactile perception task and uses EEG and eye metrics to identify neural and physiological correlates of conscious tactile perception.

Finger representations in primary somatosensory cortex are modulated during vibrotactile working memory task

The paper shows that vibrotactile working memory modulates somatotopic finger representations in primary somatosensory cortex during the delay period without tactile stimulation.

Neural basis of learning to perceive speech through touch using an acoustic-to-vibrotactile speech sensory substitution

This study investigates neural changes during vibrotactile speech learning, showing integration with auditory speech systems through fMRI and EEG.

Dynamics of history-dependent perceptual judgment

The paper investigates how stimulus history influences tactile perception in rats and humans, finding a repulsive effect where past stimuli bias current judgments, and shows this effect can be modeled with a single-parameter decision criterion model.

Signatures of vibration frequency tuning in human neocortex

The paper uses fMRI to show that human neocortex responses are tuned for vibration frequency, reflecting perceptual sensitivity and Pacinian afferent system responses.

Naturalistic stimuli reveal a critical period in visual cortex development: Evidence from adult-onset blindness

The paper uses fMRI to compare cross-modal responses in visual cortex of congenitally blind, adult-onset blind, and sighted individuals, finding that visual cortex plasticity for auditory processing occurs only in those born blind.

Common computational principle for vibro-tactile pitch perception in mouse and human

The paper shows that mouse and human vibro-tactile pitch perception follows a common computational principle involving frequency and amplitude relationships.

Virtual Touch: Sensing and Feeling with Ultrasound.

This study investigates the subjective experience and physiological responses to ultrasound stimulation, finding age-related differences in intensity and pleasantness ratings and no activation of specific mechanoreceptors.

Tactile spatial discrimination on the torso using vibrotactile and force stimulation

This study compares tactile spatial discrimination using vibrotactile and force stimulation on the thoracic spine, finding higher accuracy with vibrotactile stimuli.

Dissociable plasticity of the nucleus basalis of Meynert in early and late blind individuals

The paper investigates differences in nucleus basalis of Meynert plasticity between early and late blind individuals using MRI, finding greater functional connectivity in early blind individuals despite similar white matter integrity reduction.

Analyzing the Perceptual Attributes of Electro-tactile Stimuli as Function of Various Signal Properties

The paper investigates how electrical signal properties affect perceived tactile qualities and identifies optimal signal parameters for each perception.

Printed Texts Tracking and Following for a Finger-Wearable Electro-Braille System Through Opto-electrotactile Feedback

This paper develops a portable system for blind and visually impaired users to read printed text through electro-Braille feedback using opto-electrotactile technology.

Continuous, multidimensional coding of 3D complex tactile stimuli by primary sensory neurons of the vibrissal system

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.

Transcranial magnetic stimulation of the occipital cortex interferes with foot movements in acquired but not congenitally blind individuals

This paper shows that transcranial magnetic stimulation of the visual cortex disrupts motor function in acquired blind individuals but not congenitally blind or sighted individuals.

Visualizing sounds: training-induced plasticity with a visual-to-auditory conversion device

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.

The sensorimotor strategies and neuronal representations of tactile shape discrimination in mice

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

A touch of hierarchy. Population Receptive Fields reveal fingertip integration in Brodmann areas in human primary somatosensory cortex.

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.

Regions of visual cortex responding to tactile stimulation in an individual withlongstanding low vision are not causally involved in tactile processing performance

The paper investigates whether tactile responses in the visual cortex of a visually impaired individual are causally linked to tactile processing performance using TMS and fMRI.