Evaluation of somatosensory cortical differences between flutter and vibration tactile stimuli.
Identifieur interne : 001C21 ( Main/Merge ); précédent : 001C20; suivant : 001C22Evaluation of somatosensory cortical differences between flutter and vibration tactile stimuli.
Auteurs : Sang Woo Han ; Yoon Gi Chung ; Hyung-Sik Kim ; Soon-Cheol Chung ; Jang-Yeon Park ; Sung-Phil KimSource :
- Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference [ 1557-170X ] ; 2013.
English descriptors
- KwdEn :
- MESH :
- physiology : Mechanoreceptors, Neurons, Somatosensory Cortex, Touch.
- Adult, Brain Mapping, Female, Humans, Magnetic Resonance Imaging, Male, Vibration, Young Adult.
Abstract
In parallel with advances in haptic-based mobile computing systems, understanding of the neural processing of vibrotactile information becomes of great importance. In the human nervous system, two types of vibrotactile information, flutter and vibration, are delivered from mechanoreceptors to the somatosensory cortex through segregated neural afferents. To investigate how the somatosensory cortex differentiates flutter and vibration, we analyzed the cortical responses to vibrotactile stimuli with a wide range of frequencies. Specifically, we examined whether cortical activity changed most around 50 Hz, which is known as a boundary between flutter and vibration. We explored various measures to evaluate separability of cortical activity across frequency and found that the hypothesis margin method resulted in the greatest separability between flutter and vibration. This result suggests that flutter and vibration information may be processed by different neural processes in the somatosensory cortex.
DOI: 10.1109/EMBC.2013.6610522
PubMed: 24110709
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pubmed:24110709Le document en format XML
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Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference</title><idno type="ISSN">1557-170X</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Brain Mapping</term><term>Female</term><term>Humans</term><term>Magnetic Resonance Imaging</term><term>Male</term><term>Mechanoreceptors (physiology)</term><term>Neurons (physiology)</term><term>Somatosensory Cortex (physiology)</term><term>Touch (physiology)</term><term>Vibration</term><term>Young Adult</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mechanoreceptors</term><term>Neurons</term><term>Somatosensory Cortex</term><term>Touch</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Brain Mapping</term><term>Female</term><term>Humans</term><term>Magnetic Resonance Imaging</term><term>Male</term><term>Vibration</term><term>Young Adult</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In parallel with advances in haptic-based mobile computing systems, understanding of the neural processing of vibrotactile information becomes of great importance. In the human nervous system, two types of vibrotactile information, flutter and vibration, are delivered from mechanoreceptors to the somatosensory cortex through segregated neural afferents. To investigate how the somatosensory cortex differentiates flutter and vibration, we analyzed the cortical responses to vibrotactile stimuli with a wide range of frequencies. Specifically, we examined whether cortical activity changed most around 50 Hz, which is known as a boundary between flutter and vibration. We explored various measures to evaluate separability of cortical activity across frequency and found that the hypothesis margin method resulted in the greatest separability between flutter and vibration. This result suggests that flutter and vibration information may be processed by different neural processes in the somatosensory cortex.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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