Related Experiment Video
Updated: Aug 23, 2025
09:36
Measurement of Spatial Stability in Precision Grip
Published on: June 4, 2020
3.3K
Grip force as a functional window to somatosensory cognition
1CNRS-Centre National de la Recherche Scientifique UMR 7357, University of Strasbourg, Paris, France.
Frontiers in Psychology
|October 31, 2022
Summary
Analyzing grip force signals reveals how somatosensory cognition and motor control interact during task learning. Grip force patterns track cognitive changes, offering insights into skill acquisition and hand-specific behaviors.
Area of Science:
- Neuroscience
- Cognitive Science
- Biomedical Engineering
Background:
- Somatosensory cognition enables interaction with the physical world, object recognition via touch, and precise grip force control for manipulation.
- Grip force analysis provides functional insights into motor control and cognitive processes underlying manual skills.
- Recent advancements in wireless biosensor technology allow for detailed monitoring of grip forces during cognitive tasks.
Purpose of the Study:
- To explore functional interactions between somatosensory brain mechanisms and motor control during cognitive task learning.
- To investigate how grip force patterns evolve with cognitive changes during skill acquisition.
- To understand the role of grip force in somatosensory processes governing motor control in cognitive tasks.
Main Methods:
- Utilizing non-invasive, multi-finger grip force sensor technology to wirelessly monitor grip forces from the palm and fingers.
- Recording grip force signals from biosensors during cognitive tasks with variable sensory input.
- Statistically analyzing thousands of sensor data points from multiple spatial locations to interpret grip forces under specific task constraints.
Main Results:
- Grip force patterns during task execution reflect changes in grip force control and cognitive processes.
- Individual grip force profiles can reveal the evolution of motor control as a result of cognitive changes during learning.
- Grip forces can be mapped to coding principles in brain networks involved in somatosensory processing for motor control.
Conclusions:
- Grip force analysis offers unprecedented functional insight into somatosensory cognition and its role in motor control.
- Grip force patterns serve as a biomarker for cognitive changes and skill development during task learning.
- Future research can leverage grip force variations to study cognitive control of hand movements in complex real-world tasks.
Related Concept Videos
01:33Somatosensation
37.9K
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.
37.9K
01:11Sensory Perception: Organization of the Somatosensory System
3.4K
The somatosensory system is the central and peripheral nervous system component that senses and processes touch, pressure, pain, temperature, and body position or proprioception. The process of sensation takes place at three levels:
The receptor level:
The receptor level is the first stage of sensation. It involves the detection of a stimulus by specialized sensory receptors. The stimulus must arrive within the receptor's receptive field. Next, the receptor converts the energy of the...
The receptor level:
The receptor level is the first stage of sensation. It involves the detection of a stimulus by specialized sensory receptors. The stimulus must arrive within the receptor's receptive field. Next, the receptor converts the energy of the...
3.4K
01:24Somatosensory, Motor, and Association Cortex
742
The somatosensory cortex in the parietal lobes is crucial for interpreting sensory data such as touch, temperature, and proprioception. The somatosensory cortex, situated in the parietal lobes, plays a vital role in interpreting sensory information like touch, temperature, and proprioception—awareness of body position. This specialized brain region features an organized structure wherein neurons at the top primarily process sensations originating from the lower body. In contrast, those at...
742
01:15Sensory Modalities
1.5K
Sensation typically is the process by which the sensory receptors and sense organs detect stimuli from the internal and external environment and transmit this information to the central nervous system for processing.
General senses refer to the broad category of sensory information detected by receptors in the body and can be further grouped into somatic and visceral senses. Somatic sensations include touch, pressure, temperature, and pain and are essential for navigating our environment and...
General senses refer to the broad category of sensory information detected by receptors in the body and can be further grouped into somatic and visceral senses. Somatic sensations include touch, pressure, temperature, and pain and are essential for navigating our environment and...
1.5K
01:16Sensory Functions of the Skin
5.4K
The skin is the largest organ of the human body and plays a crucial role in our sensory perception. It contains a vast network of sensory receptors that contribute to the skin's protective function by perceiving physical, biological, and environmental cues and generating relevant responses.
There are two main categories of receptors on the skin: capsulated and non-capsulated. The non-capsulated ones are mainly the pain receptors. The capsulated ones can be further categorized based on the...
There are two main categories of receptors on the skin: capsulated and non-capsulated. The non-capsulated ones are mainly the pain receptors. The capsulated ones can be further categorized based on the...
5.4K
01:27Tactile and Chemical Senses
340
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.
340