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EEG-based trial-by-trial texture classification during active touch
2020
Scientific Reports
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AbstractTrial-by-trial texture classification analysis and identifying salient texture related EEG features during active touch that are minimally influenced by movement type and frequency conditions are ...
EEG and force data were collected synchronously during each touch condition. ...
In this paper, we showed that using EEG it is possible to classify different textures during active touch. ...
doi:10.1038/s41598-020-77439-7
pmid:33247177
fatcat:udxlcxxl2rfpvbboefe7zsxehe
Towards Neurohaptics: Brain-Computer Interfaces for Decoding Intuitive Sense of Touch
[article]
2020
arXiv
pre-print
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Through the experiment, we collected the electroencephalogram (EEG) signals with respect to four different texture objects. ...
Hence, we could confirm the feasibility of decoding actual touch and touch imagery on EEG signals to develop practical neurohaptics. ...
The subjects stared the fixation point during 3 s to avoid an afterimage effect. During the 5 s, The subjects conducted a touch imagery task. ...
arXiv:2012.06753v2
fatcat:2lhxaqv4bnat7kmlk27gfahaoa
From finger friction to brain activation: tactile perception of the roughness of gratings
2019
Journal of Advanced Research
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This study proofed that there was a relationship between the activation in brain regions, surface friction, and contact conditions of skin during the tactile perception. ...
) and friction signals during fingers exploring grating surfaces. ...
The touching normal load was changed into an electric pulse by a square-wave generator that triggered the EEG system amplifier and marked the start of touch. ...
doi:10.1016/j.jare.2019.11.001
pmid:32071781
pmcid:PMC7015470
fatcat:cckyiibwgvashdxmxmxix3kjey
EEG-based Neurohaptics Research: A Literature Review
2020
IEEE Access
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In this paper, we review existing literature on Electroencephalography (EEG)-based neurohaptic studies charting out the main themes and significant findings. ...
Furthermore, we provide a brief review of the EEG analytical methods commonly utilized in the neurohaptic domain. ...
FIGURE 1 . 1 Publications during the past decade on EEG-based neurohaptics. ...
doi:10.1109/access.2020.2979855
fatcat:pzfl6puxgzhgfl5vu4hz3xbpqa
Alpha and beta band correlates of haptic perceptual grouping: Results from an orientation detection task
2018
PLoS ONE
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Independent component clustering analysis revealed the activation of a bilateral network of sensorimotor and parietal areas while performing the task. ...
Behavioral results showed faster response times for patterns grouped by spatial proximity relative to texture similarity. ...
the activity of visual areas when exploring stimuli by touch. ...
doi:10.1371/journal.pone.0201194
pmid:30024961
pmcid:PMC6053228
fatcat:cr2fn5dcfjaxlfcgxmtjhhonxq
Evaluation of Post-Stroke Impairment in Fine Tactile Sensation by Electroencephalography (EEG)-Based Machine Learning
2022
Applied Sciences
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Electroencephalography (EEG)-based measurements of fine tactile sensation produce large amounts of data, with high costs for manual evaluation. ...
The average and maximal values of relative spectral power (RSP) of EEG in the stimulations were used as the inputs to the SVM-ML model, which was first optimized for classification accuracies for different ...
., passively or actively moving a tactile board, on post-stroke brain activation using EEG [27] . ...
doi:10.3390/app12094796
fatcat:eygfdjjphjfs3of7bt7245mmjq
Page 3188 of Psychological Abstracts Vol. 91, Issue 9
[page]
2004
Psychological Abstracts
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In complementary neuroimaging studies in humans, it is being found that areas of the orbitofrontal cortex are activated by pleasant touch, by painful touch, by taste, by smell, and by more abstract reinforcers ...
The objective of this study was to investigate whether brain re- gions related to language processing overlap with the brain regions activated by the grammaticality classification task used in the present ...
The Berlin Brain-Computer Interface: Progress Beyond Communication and Control
2016
Frontiers in Neuroscience
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(Jangraw et al., 2014) , provide evidence for the feasibility of EEG-based intention decoding in realistic active visual search tasks. ...
FIGURE 4 | 4 Single-trial classification of VEPs based on spatio-temporal features. (A) Grand average brain activity over all participants at channel Oz, at maximum distortion level D6. ...
doi:10.3389/fnins.2016.00530
pmid:27917107
pmcid:PMC5116473
fatcat:noknjgpzm5hlxbbe43g42wvyci
Tactile Frequency-Specific High-Gamma Activities in Human Primary and Secondary Somatosensory Cortices
2017
Scientific Reports
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We found that tactile frequency-specific high-gamma (HG, 50-140 Hz) activities are seen in both S1 and S2 with different temporal dynamics during vibration (>100 Hz). ...
Furthermore, these S1-S2 HG patterns were preserved in naturalistic stimuli such as coarse/fine textures. ...
S1/S2 HG Activities during Texture Stimuli. ...
doi:10.1038/s41598-017-15767-x
pmid:29133909
pmcid:PMC5684355
fatcat:viqvhlt4kzfbrcshok3ejf6rqy
Contrast and Homogeneity Feature Analysis for Classifying Tremor Levels in Parkinson's Disease Patients
2019
Sensors
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Texture features are computed using sum and difference of histograms (SDH) to characterize the dataset, varying the window size; however, only the most fundamental elements are used in the classification ...
A machine learning classifier provides the final classification results of the tremor level. ...
They concluded that the EEG can precisely identify brain activity, but it can be uncomfortable to most patients during data retrieval. ...
doi:10.3390/s19092072
fatcat:lmuagmmtbncrzbwe6j67wao2pq
A field-theoretic approach to understanding scale-free neocortical dynamics
2005
Biological cybernetics
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Neocortex shows multiple overlapping AM-PM patterns before and during presentation of CSs. ...
Neocortex shows multiple overlapping AM-PM patterns before and during presentation of CSs. ...
The method used high-density 8x8 arrays of implanted electrodes to resolve EEG spatial texture. ...
doi:10.1007/s00422-005-0563-1
pmid:15900484
fatcat:fbcc4cst5rappey2tsuli4dk7i
Humanlike robot hands controlled by brain activity arouse illusion of ownership in operators
2013
Scientific Reports
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In past studies, body ownership illusions were induced by correlation of such sensory inputs as vision, touch and proprioception. ...
Our results show that during BMI-operation of robotic hands, the interaction between motor commands and visual feedback of the intended motions is adequate to incorporate the non-body limbs into one's ...
(a) Robot's right hand grasped lighted ball based on classification results of subject's EEG patterns. ...
doi:10.1038/srep02396
pmid:23928891
pmcid:PMC3738936
fatcat:u35exwmoundfnoatmaf4bhpf5m
Bodily-Contact Communication Medium Induces Relaxed Mode of Brain Activity While Increasing Its Dynamical Complexity: A Pilot Study
2018
Frontiers in Psychology
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We present the results of the analysis of the effect of a bodily-contact communication medium on the brain activity of the individuals during verbal communication. ...
This observation that is supported by the analysis of the permutation entropy (PE) of the EEG time series of brain activity of the participants suggests the positive effect of such a medium on the stress ...
Statistical Analyses Our analyses are based on a priori hypothesis that presence of Hugvie results in a positive effect at the EEG-level of brain activity of the individual participants. ...
doi:10.3389/fpsyg.2018.01192
pmid:30050488
pmcid:PMC6052895
fatcat:vsyq66iut5a5xcmld3n6xwesba
Sensory Processing Dysfunction in Children with Autism Spectrum Disorder
2020
Scholars Journal of Applied Medical Sciences
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Hyper/hypo reactivity to sensory input explains the abnormal patterns of behaviours, activities or interests seen in children with ASD. ...
Classification of SPD There are 2 classification systems for SPD. One is Miller's Classification and the other is Schaaf's classification. ...
According to Miller's Classification, there are three kinds of SPD namely Sensory Modulation Disorder, Sensory Based Motor Disorder and Sensory Discrimination Disorder [3] . ...
doi:10.36347/sjams.2020.v08i09.021
fatcat:73zjx4fe75d3xhq2lulvvmpumm
Detection of Static, Dynamic, and No Tactile Friction Based on Non-linear dynamics of EEG Signals: A Preliminary Study
[article]
2020
bioRxiv
pre-print
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During the experiment, EEG signals were recorded, and different linear and non-linear EEG indices were extracted and analyzed to find the effect of the tactile friction on EEG signals. ...
Touching an object leads to a frictional interaction between the skin and the object. ...
Even touching a surface with an open or closed eye has effects on texture perception [18] . ...
doi:10.1101/2020.04.05.026039
fatcat:e3v4xioeh5evhlklsepujsnxme
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