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EEG-based trial-by-trial texture classification during active touch

Safaa Eldeeb, Douglas Weber, Jordyn Ting, Andac Demir, Deniz Erdogmus, Murat Akcakaya
2020 Scientific Reports  
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]

Jeong-Hyun Cho, Ji-Hoon Jeong, Myoung-Ki Kim, Seong-Whan Lee
2020 arXiv   pre-print
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

Wei Tang, Rui Liu, Yibing Shi, Chunai Hu, Shengjie Bai, Hua Zhu
2019 Journal of Advanced Research  
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

Haneen Alsuradi, Wanjoo Park, Mohamad Eid
2020 IEEE Access  
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

Antonio Prieto, Julia Mayas, Soledad Ballesteros, Gregor Volberg
2018 PLoS ONE  
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

Jianing Zhang, Yanhuan Huang, Fuqiang Ye, Bibo Yang, Zengyong Li, Xiaoling Hu
2022 Applied Sciences  
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  
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

Benjamin Blankertz, Laura Acqualagna, Sven Dähne, Stefan Haufe, Matthias Schultze-Kraft, Irene Sturm, Marija Ušćumlic, Markus A. Wenzel, Gabriel Curio, Klaus-Robert Müller
2016 Frontiers in Neuroscience  
(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

Seokyun Ryun, June Sic Kim, Hyeongrae Lee, Chun Kee Chung
2017 Scientific Reports  
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

Guillermina Vivar, Dora-Luz Almanza-Ojeda, Irene Cheng, Juan Carlos Gomez, J. A. Andrade-Lucio, Mario-Alberto Ibarra-Manzano
2019 Sensors  
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

Walter J Freeman
2005 Biological cybernetics  
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

Maryam Alimardani, Shuichi Nishio, Hiroshi Ishiguro
2013 Scientific Reports  
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

Soheil Keshmiri, Hidenobu Sumioka, Junya Nakanishi, Hiroshi Ishiguro
2018 Frontiers in Psychology  
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

Rabindran ., Darshini Madanagopal, Shasidaran .
2020 Scholars Journal of Applied Medical Sciences  
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]

Golnaz Baghdadi, Mahmood Amiri
2020 bioRxiv   pre-print
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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