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Tactile and Chemical Senses

Tactile and Chemical Senses

Tactile senses encompass touch, temperature, and pain, each mediated by specific receptors. Touch receptors detect mechanical energy or pressure against the skin. Sensory fibers from these receptors enter the spinal cord and relay information to the brain stem. Here, most fibers cross over to the opposite side of the brain. The touch information then moves to the thalamus, which projects a map of the body's surface onto the somatosensory areas of the parietal lobes in the cerebral cortex.

Somatosensation

Somatosensation

The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.

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Related Experiment Video

Updated: Jul 20, 2025

Manufacturing, Control, and Performance Evaluation of a Gecko-Inspired Soft Robot

Manufacturing, Control, and Performance Evaluation of a Gecko-Inspired Soft Robot

Published on: June 10, 2020

Sensing in Soft Robotics.

Chidanand Hegde^1,2, Jiangtao Su^1,2, Joel Ming Rui Tan^1,2

¹School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore.

|August 2, 2023

Summary

This summary is machine-generated.

Soft robots offer human-like dexterity but require precise control. This review explores advanced sensing technologies crucial for enhancing soft robotic perception, control, and performance in various applications.

Keywords:

actuation mechanisms exosuit flexible/stretchable sensors industry leaders in soft grippers materials for soft robots multimodal sensing prosthetics signal processing soft robotic control soft robots

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Last Updated: Jul 20, 2025

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Area of Science:

Robotics
Materials Science
Sensor Technology

Background:

Soft robotics enables dexterous manipulation and delicate object handling.
Mechanical compliance in soft robots necessitates accurate position and shape control.
Effective soft robot operation requires comprehensive sensing of environmental and internal stimuli.

Purpose of the Study:

To review recent advancements in sensing feedback technologies for soft robotics.
To explore sensor types, integration methods, and multimodal sensing benefits.
To highlight market trends and the growing demand for soft robotic applications.

Main Methods:

Introduction to soft robot actuation and material selection.
In-depth exploration of diverse sensor technologies and their integration.
Discussion of multimodal sensing, signal processing, and control strategies.

Main Results:

Review of cutting-edge sensing solutions for soft robots.
Analysis of benefits derived from multimodal sensing and advanced control.
Overview of market leaders indicating technological demand.

Conclusions:

Advanced sensing is critical for unlocking the full potential of soft robotics.
Innovation in sensing feedback technologies will drive future soft robot development.
This review provides insights into current progress and future directions in soft robot sensing.