51
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Chua T, Aziz AR, Chia M. Four Minutes of Sprint Interval Training Had No Acute Effect on Improving Alertness, Mood, and Memory of Female Primary School Children and Secondary School Adolescents: A Randomized Controlled Trial. J Funct Morphol Kinesiol 2020; 5:jfmk5040092. [PMID: 33467307 PMCID: PMC7804884 DOI: 10.3390/jfmk5040092] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/08/2020] [Accepted: 12/10/2020] [Indexed: 01/02/2023] Open
Abstract
We investigated whether a 4-min sprint interval training (SIT) protocol had an acute effect (15 min after) on improving alertness, mood, and memory recall in female students. Sixty-three children and 131 adolescents were randomly assigned to either a SIT or control (CON) group by the class Physical Education (PE) teachers. The SIT intervention was delivered twice a week for 3 weeks. SIT participants performed three, 20-s 'all-out' effort sprints interspersed with 60-s intervals of walking while CON group sat down and rested. PE lessons were arranged such that the first two sessions were to familiarise participants with the SIT protocol leading to acute assessments conducted on the third session. On that occasion, both groups rated their alertness and mood on a single-item hedonic scale and underwent an adapted memory recall test. The same assessments were administered to both groups fifteen minutes after delivery of SIT intervention. A 4-min SIT involving three, 20 s 'all-out' effort intensity sprints did not have an acute main effect on improving alertness, mood and, memory recall in female children (ηp2 = 0.009) and adolescents (ηp2 = 0.012). Students' exercise adherence and feedback from PE teachers are indicatives of the potential scalability of incorporating SIT into PE programmes. Different work-to-rest ratios could be used in future studies.
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Affiliation(s)
- Terence Chua
- Physical Education and Sport Science Academic Group, National Institute of Education, Nanyang Technological University, Singapore 637616, Singapore;
| | - Abdul Rashid Aziz
- Sport Medicine and Sport Science, Singapore Sport Institute, Singapore 397630, Singapore;
| | - Michael Chia
- Physical Education and Sport Science Academic Group, National Institute of Education, Nanyang Technological University, Singapore 637616, Singapore;
- Correspondence:
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52
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Brandl S, Blankertz B. Motor Imagery Under Distraction- An Open Access BCI Dataset. Front Neurosci 2020; 14:566147. [PMID: 33192253 PMCID: PMC7604514 DOI: 10.3389/fnins.2020.566147] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 08/21/2020] [Indexed: 12/14/2022] Open
Affiliation(s)
- Stephanie Brandl
- Department of Machine Learning, Technische Universität Berlin, Berlin, Germany
| | - Benjamin Blankertz
- Department of Neurotechnology, Technische Universität Berlin, Berlin, Germany
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53
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Alimardani M, Hiraki K. Passive Brain-Computer Interfaces for Enhanced Human-Robot Interaction. Front Robot AI 2020; 7:125. [PMID: 33501291 PMCID: PMC7805996 DOI: 10.3389/frobt.2020.00125] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 08/05/2020] [Indexed: 11/13/2022] Open
Abstract
Brain-computer interfaces (BCIs) have long been seen as control interfaces that translate changes in brain activity, produced either by means of a volitional modulation or in response to an external stimulation. However, recent trends in the BCI and neurofeedback research highlight passive monitoring of a user's brain activity in order to estimate cognitive load, attention level, perceived errors and emotions. Extraction of such higher order information from brain signals is seen as a gateway for facilitation of interaction between humans and intelligent systems. Particularly in the field of robotics, passive BCIs provide a promising channel for prediction of user's cognitive and affective state for development of a user-adaptive interaction. In this paper, we first illustrate the state of the art in passive BCI technology and then provide examples of BCI employment in human-robot interaction (HRI). We finally discuss the prospects and challenges in integration of passive BCIs in socially demanding HRI settings. This work intends to inform HRI community of the opportunities offered by passive BCI systems for enhancement of human-robot interaction while recognizing potential pitfalls.
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Affiliation(s)
- Maryam Alimardani
- Department of Cognitive Science and Artificial Intelligence, School of Humanities and Digital Sciences, Tilburg University, Tilburg, Netherlands
| | - Kazuo Hiraki
- Department of General Systems Studies, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan
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54
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Gallardo-Moreno GB, González-Garrido AA, Villaseñor-Cabrera T, Alvarado-Rodríguez FJ, Ruiz-Stovel VD, Jiménez-Maldonado ME, Contreras-Piña N, Gómez-Velázquez FR. Sustained attention in schoolchildren with type-1 diabetes. A quantitative EEG study. Clin Neurophysiol 2020; 131:2469-2478. [DOI: 10.1016/j.clinph.2020.07.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 06/12/2020] [Accepted: 07/05/2020] [Indexed: 01/13/2023]
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55
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Nested oscillations and brain connectivity during sequential stages of feature-based attention. Neuroimage 2020; 223:117354. [PMID: 32916284 DOI: 10.1016/j.neuroimage.2020.117354] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 08/10/2020] [Accepted: 09/05/2020] [Indexed: 12/25/2022] Open
Abstract
Brain mechanisms of visual selective attention involve both local and network-level activity changes at specific oscillatory rhythms, but their interplay remains poorly explored. Here, we investigate anticipatory and reactive effects of feature-based attention using separate fMRI and EEG recordings, while participants attended to one of two spatially overlapping visual features (motion and orientation). We focused on EEG source analysis of local neuronal rhythms and nested oscillations and on graph analysis of connectivity changes in a network of fMRI-defined regions of interest, and characterized a cascade of attentional effects at multiple spatial scales. We discuss how the results may reconcile several theories of selective attention, by showing how β rhythms support anticipatory information routing through increased network efficiency, while reactive α-band desynchronization patterns and increased α-γ coupling in task-specific sensory areas mediate stimulus-evoked processing of task-relevant signals.
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56
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Wang H, Sun Y, Li Y, Chen S, Zhou W. Inter- and Intra-subject Template-Based Multivariate Synchronization Index Using an Adaptive Threshold for SSVEP-Based BCIs. Front Neurosci 2020; 14:717. [PMID: 33013279 PMCID: PMC7509063 DOI: 10.3389/fnins.2020.00717] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Accepted: 06/15/2020] [Indexed: 11/16/2022] Open
Abstract
The steady-state visually evoked potential (SSVEP) has been widely used in brain-computer interfaces (BCIs). Many studies have proved that the Multivariate synchronization index (MSI) is an efficient method for recognizing the frequency components in SSVEP-based BCIs. Despite its success, the recognition accuracy has not been satisfactory because the simplified pre-constructed sine-cosine waves lack abundant features from the real electroencephalogram (EEG) data. Recent advances in addressing this issue have achieved a significant improvement in recognition accuracy by using individual calibration data. In this study, a new extension based on inter- and intra-subject template signals is introduced to improve the performance of the standard MSI method. Through template transfer, inter-subject similarity and variability are employed to enhance the robustness of SSVEP recognition. Additionally, most existed methods for SSVEP recognition utilize a fixed time window (TW) to perform frequency domain analysis, which limits the information transfer rate (ITR) of BCIs. For addressing this problem, a novel adaptive threshold strategy is integrated into the extension of MSI, which uses a dynamic window to extract the temporal features of SSVEPs and recognizes the stimulus frequency based on a pre-set threshold. The pre-set threshold contributes to obtaining an appropriate and shorter signal length for frequency recognition and filtering ignored-invalid trials. The proposed method is evaluated on a 12-class SSVEP dataset recorded from 10 subjects, and the result shows that this achieves higher recognition accuracy and information transfer rate when compared with the CCA, MSI, Multi-set CCA, and Individual Template-based CCA. This paper demonstrates that the proposed method is a promising approach for developing high-speed BCIs.
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Affiliation(s)
- Haoran Wang
- Department of Computer Science and Technolgy, College of Electronic and Information Engineering, Tongji University, Shanghai, China
| | - Yaoru Sun
- Department of Computer Science and Technolgy, College of Electronic and Information Engineering, Tongji University, Shanghai, China
| | - Yunxia Li
- Department of Neurology, Shanghai Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Shiyi Chen
- Department of Computer Science and Technolgy, College of Electronic and Information Engineering, Tongji University, Shanghai, China
| | - Wei Zhou
- Department of Information and Communication Engineering, Tongji University, Shanghai, China
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57
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Tinga AM, de Back TT, Louwerse MM. Non-invasive Neurophysiology in Learning and Training: Mechanisms and a SWOT Analysis. Front Neurosci 2020; 14:589. [PMID: 32581700 PMCID: PMC7290240 DOI: 10.3389/fnins.2020.00589] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 05/13/2020] [Indexed: 11/29/2022] Open
Abstract
Although many scholars deem non-invasive measures of neurophysiology to have promise in assessing learning, these measures are currently not widely applied, neither in educational settings nor in training. How can non-invasive neurophysiology provide insight into learning and how should research on this topic move forward to ensure valid applications? The current article addresses these questions by discussing the mechanisms underlying neurophysiological changes during learning followed by a SWOT (strengths, weaknesses, opportunities, and threats) analysis of non-invasive neurophysiology in learning and training. This type of analysis can provide a structured examination of factors relevant to the current state and future of a field. The findings of the SWOT analysis indicate that the field of neurophysiology in learning and training is developing rapidly. By leveraging the opportunities of neurophysiology in learning and training (while bearing in mind weaknesses, threats, and strengths) the field can move forward in promising directions. Suggestions for opportunities for future work are provided to ensure valid and effective application of non-invasive neurophysiology in a wide range of learning and training settings.
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Affiliation(s)
- Angelica M Tinga
- Department of Cognitive Science and Artificial Intelligence, Tilburg University, Tilburg, Netherlands
| | - Tycho T de Back
- Department of Cognitive Science and Artificial Intelligence, Tilburg University, Tilburg, Netherlands
| | - Max M Louwerse
- Department of Cognitive Science and Artificial Intelligence, Tilburg University, Tilburg, Netherlands
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58
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Jacobsen S, Meiron O, Salomon DY, Kraizler N, Factor H, Jaul E, Tsur EE. Integrated Development Environment for EEG-Driven Cognitive-Neuropsychological Research. IEEE JOURNAL OF TRANSLATIONAL ENGINEERING IN HEALTH AND MEDICINE-JTEHM 2020; 8:2200208. [PMID: 32431963 PMCID: PMC7233754 DOI: 10.1109/jtehm.2020.2989768] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2020] [Revised: 03/23/2020] [Accepted: 04/17/2020] [Indexed: 11/29/2022]
Abstract
Background: EEG-driven research is paramount in cognitive-neuropsychological studies, as it provides a non-invasive window to the underlying neural mechanisms of cognition and behavior. A myriad collection of software and hardware frameworks has been developed to alleviate some of the technical barriers involved in EEG-driven research. Methods: we propose an integrated development environment which encompasses the entire technical “data-collection pipeline” of cognitive-neuropsychological research, including experiment design, data acquisition, data exploration and analysis in a state-of-the-art user interface. Our framework is based on a unique integration between a python-based web framework, time-oriented databases and object-based data schemes. Results: we demonstrated our framework with the recording and analysis of an n-Back task completed by 15 elderly (ages 50 to 80) participants. This case study demonstrates the highly utilized nature of our integrated framework with a challenging target population. Furthermore, our results may provide new insights into the correlation between brain activity and working memory performance in elderly people, who are prone to experience accelerated decline in executive prefrontal cortex functioning. Conclusion: our framework extends the range of EEG-driven experimental methods for assessing cognition available for cognitive-neuroscientists, allowing them to concentrate on the creative part of their work instead of technical aspects.
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Affiliation(s)
- Shoham Jacobsen
- 1Department of Computer ScienceJerusalem College of TechnologyJerusalem91160Israel
| | - Oded Meiron
- 2Clinical Research Center for Brain SciencesHerzog Medical CenterJerusalem91120Israel
| | - David Yoel Salomon
- 1Department of Computer ScienceJerusalem College of TechnologyJerusalem91160Israel
| | - Nir Kraizler
- 1Department of Computer ScienceJerusalem College of TechnologyJerusalem91160Israel
| | - Hagai Factor
- 2Clinical Research Center for Brain SciencesHerzog Medical CenterJerusalem91120Israel
| | - Efraim Jaul
- 3Geriatric Skilled Nursing DepartmentHerzog Medical CenterJerusalem91120Israel
| | - Elishai Ezra Tsur
- 1Department of Computer ScienceJerusalem College of TechnologyJerusalem91160Israel
- 4Neuro-Biomorphic Engineering Laboratory (NBEL)Department of Mathematics and Computer ScienceThe Open University of IsraelRa'anana4353701Israel
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59
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Komarov O, Ko LW, Jung TP. Associations Among Emotional State, Sleep Quality, and Resting-State EEG Spectra: A Longitudinal Study in Graduate Students. IEEE Trans Neural Syst Rehabil Eng 2020; 28:795-804. [PMID: 32070988 DOI: 10.1109/tnsre.2020.2972812] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
University students are routinely influenced by a variety of natural stressors and experience irregular sleep-wake cycles caused by the necessity to trade sleep for studying while dealing with academic assignments. Often these factors result in long-term issues with daytime sleepiness, emotional instability, and mental exhaustion, which may lead to difficulties in the educational process. This study introduces the Daily Sampling System (DSS) implemented as a smartphone application, which combines a set of self-assessment scales for evaluating variations in the emotional state and sleep quality throughout a full academic term. In addition to submitting the daily sampling scores, the participants regularly filled in the Depression, Anxiety, and Stress Scales (DASS) reports and took part in resting-state EEG data recording immediately after report completion. In total, this study collected 1835 daily samples and 94 combined DASS with EEG datasets from 18 university students (aged 23-27 years), with 79.3± 15.3% response ratio in submitting the daily reports during an academic semester. The results of pairwise testing and multiple regression analysis demonstrate that the daily level of self-perceived fatigue correlates positively with stress, daytime sleepiness, and negatively with alertness on awakening, self-evaluated sleep quality, and sleep duration. The spectral analysis of the EEG data reveals a significant increase in the resting-state spectral power density across the theta and low-alpha frequency bands associated with increased levels of anxiety and stress. Additionally, the state of depression was accompanied by an intensification of high-frequency EEG activity over the temporal regions. No significant differences in prefrontal alpha power asymmetry were observed under the described experimental conditions while comparing the states of calmness and emotional arousal of the participants for the three conditions of depression, anxiety, and stress.
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60
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Neurophysiological Vigilance Characterisation and Assessment: Laboratory and Realistic Validations Involving Professional Air Traffic Controllers. Brain Sci 2020; 10:brainsci10010048. [PMID: 31952181 PMCID: PMC7016567 DOI: 10.3390/brainsci10010048] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 01/08/2020] [Accepted: 01/13/2020] [Indexed: 01/09/2023] Open
Abstract
Vigilance degradation usually causes significant performance decrement. It is also considered the major factor causing the out-of-the-loop phenomenon (OOTL) occurrence. OOTL is strongly related to a high level of automation in operative contexts such as the Air Traffic Management (ATM), and it could lead to a negative impact on the Air Traffic Controllers’ (ATCOs) engagement. As a consequence, being able to monitor the ATCOs’ vigilance would be very important to prevent risky situations. In this context, the present study aimed to characterise and assess the vigilance level by using electroencephalographic (EEG) measures. The first study, involving 13 participants in laboratory settings allowed to find out the neurophysiological features mostly related to vigilance decrements. Those results were also confirmed under realistic ATM settings recruiting 10 professional ATCOs. The results demonstrated that (i) there was a significant performance decrement related to vigilance reduction; (ii) there were no substantial differences between the identified neurophysiological features in controlled and ecological settings, and the EEG-channel configuration defined in laboratory was able to discriminate and classify vigilance changes in ATCOs’ vigilance with high accuracy (up to 84%); (iii) the derived two EEG-channel configuration was able to assess vigilance variations reporting only slight accuracy reduction.
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61
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Abstract
Brain-computer interfaces (BCIs) have long been seen as control interfaces that translate changes in brain activity, produced either by means of a volitional modulation or in response to an external stimulation. However, recent trends in the BCI and neurofeedback research highlight passive monitoring of a user's brain activity in order to estimate cognitive load, attention level, perceived errors and emotions. Extraction of such higher order information from brain signals is seen as a gateway for facilitation of interaction between humans and intelligent systems. Particularly in the field of robotics, passive BCIs provide a promising channel for prediction of user's cognitive and affective state for development of a user-adaptive interaction. In this paper, we first illustrate the state of the art in passive BCI technology and then provide examples of BCI employment in human-robot interaction (HRI). We finally discuss the prospects and challenges in integration of passive BCIs in socially demanding HRI settings. This work intends to inform HRI community of the opportunities offered by passive BCI systems for enhancement of human-robot interaction while recognizing potential pitfalls.
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Affiliation(s)
- Maryam Alimardani
- Department of Cognitive Science and Artificial Intelligence, School of Humanities and Digital Sciences, Tilburg University, Tilburg, Netherlands
| | - Kazuo Hiraki
- Department of General Systems Studies, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan
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62
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Al-Shargie F, Tariq U, Hassanin O, Mir H, Babiloni F, Al-Nashash H. Brain Connectivity Analysis Under Semantic Vigilance and Enhanced Mental States. Brain Sci 2019; 9:E363. [PMID: 31835346 PMCID: PMC6955710 DOI: 10.3390/brainsci9120363] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 11/26/2019] [Accepted: 12/06/2019] [Indexed: 12/17/2022] Open
Abstract
In this paper, we present a method to quantify the coupling between brain regions under vigilance and enhanced mental states by utilizing partial directed coherence (PDC) and graph theory analysis (GTA). The vigilance state is induced using a modified version of stroop color-word task (SCWT) while the enhancement state is based on audio stimulation with a pure tone of 250 Hz. The audio stimulation was presented to the right and left ears simultaneously for one-hour while participants perform the SCWT. The quantification of mental states was performed by means of statistical analysis of indexes based on GTA, behavioral responses of time-on-task (TOT), and Brunel Mood Scale (BRMUS). The results show that PDC is very sensitive to vigilance decrement and shows that the brain connectivity network is significantly reduced with increasing TOT, p < 0.05. Meanwhile, during the enhanced state, the connectivity network maintains high connectivity as time passes and shows significant improvements compared to vigilance state. The audio stimulation enhances the connectivity network over the frontal and parietal regions and the right hemisphere. The increase in the connectivity network correlates with individual differences in the magnitude of the vigilance enhancement assessed by response time to stimuli. Our results provide evidence for enhancement of cognitive processing efficiency with audio stimulation. The BRMUS was used to evaluate the emotional states of vigilance task before and after using the audio stimulation. BRMUS factors, such as fatigue, depression, and anger, significantly decrease in the enhancement group compared to vigilance group. On the other hand, happy and calmness factors increased with audio stimulation, p < 0.05.
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Affiliation(s)
- Fares Al-Shargie
- Biosciences and Bioengineering Research Institute, Department of Electrical Engineering, American University of Sharjah, P.O. Box 26666, Sharjah, UAE; (U.T.); (O.H.); (H.M.); (H.A.-N.)
| | - Usman Tariq
- Biosciences and Bioengineering Research Institute, Department of Electrical Engineering, American University of Sharjah, P.O. Box 26666, Sharjah, UAE; (U.T.); (O.H.); (H.M.); (H.A.-N.)
| | - Omnia Hassanin
- Biosciences and Bioengineering Research Institute, Department of Electrical Engineering, American University of Sharjah, P.O. Box 26666, Sharjah, UAE; (U.T.); (O.H.); (H.M.); (H.A.-N.)
| | - Hasan Mir
- Biosciences and Bioengineering Research Institute, Department of Electrical Engineering, American University of Sharjah, P.O. Box 26666, Sharjah, UAE; (U.T.); (O.H.); (H.M.); (H.A.-N.)
| | - Fabio Babiloni
- Department Molecular Medicine, University of Sapienza Rome, 00185 Rome, Italy;
- College Computer Science and Technology, University Hangzhou Dianzi, Hangzhou 310018, China
| | - Hasan Al-Nashash
- Biosciences and Bioengineering Research Institute, Department of Electrical Engineering, American University of Sharjah, P.O. Box 26666, Sharjah, UAE; (U.T.); (O.H.); (H.M.); (H.A.-N.)
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63
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Chikara RK, Ko LW. Modulation of the Visual to Auditory Human Inhibitory Brain Network: An EEG Dipole Source Localization Study. Brain Sci 2019; 9:E216. [PMID: 31461954 PMCID: PMC6770157 DOI: 10.3390/brainsci9090216] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 08/15/2019] [Accepted: 08/23/2019] [Indexed: 12/21/2022] Open
Abstract
Auditory alarms are used to direct people's attention to critical events in complicated environments. The capacity for identifying the auditory alarms in order to take the right action in our daily life is critical. In this work, we investigate how auditory alarms affect the neural networks of human inhibition. We used a famous stop-signal or go/no-go task to measure the effect of visual stimuli and auditory alarms on the human brain. In this experiment, go-trials used visual stimulation, via a square or circle symbol, and stop trials used auditory stimulation, via an auditory alarm. Electroencephalography (EEG) signals from twelve subjects were acquired and analyzed using an advanced EEG dipole source localization method via independent component analysis (ICA) and EEG-coherence analysis. Behaviorally, the visual stimulus elicited a significantly higher accuracy rate (96.35%) than the auditory stimulus (57.07%) during inhibitory control. EEG theta and beta band power increases in the right middle frontal gyrus (rMFG) were associated with human inhibitory control. In addition, delta, theta, alpha, and beta band increases in the right cingulate gyrus (rCG) and delta band increases in both right superior temporal gyrus (rSTG) and left superior temporal gyrus (lSTG) were associated with the network changes induced by auditory alarms. We further observed that theta-alpha and beta bands between lSTG-rMFG and lSTG-rSTG pathways had higher connectivity magnitudes in the brain network when performing the visual tasks changed to receiving the auditory alarms. These findings could be useful for further understanding the human brain in realistic environments.
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Affiliation(s)
- Rupesh Kumar Chikara
- Department of Biological Science and Technology, College of Biological Science and Technology, National Chiao Tung University, Hsinchu 300, Taiwan
- Center for Intelligent Drug Systems and Smart Bio-devices (IDS2B), National Chiao Tung University, Hsinchu 300, Taiwan
| | - Li-Wei Ko
- Department of Biological Science and Technology, College of Biological Science and Technology, National Chiao Tung University, Hsinchu 300, Taiwan.
- Center for Intelligent Drug Systems and Smart Bio-devices (IDS2B), National Chiao Tung University, Hsinchu 300, Taiwan.
- Institute of Bioinformatics and Systems Biology, National Chiao Tung University, Hsinchu 300, Taiwan.
- Swartz Center for Computational Neuroscience, University of California San Diego, San Diego, CA 92093, USA.
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64
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Batbat T, Güven A, Dolu N. Evaluation of divided attention using different stimulation models in event-related potentials. Med Biol Eng Comput 2019; 57:2069-2079. [PMID: 31352660 DOI: 10.1007/s11517-019-02013-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Accepted: 07/09/2019] [Indexed: 10/26/2022]
Abstract
Divided attention is defined as focusing on different tasks at once, and this is described as one of the biggest problems of today's society. Default examinations for understanding attention are questionnaires or physiological signals, like evoked potentials and electroencephalography. Physiological records were obtained using visual, auditory, and auditory-visual stimuli combinations with 48 participants-18-25-year-old university students-to find differences between sustained and divided attention. A Fourier-based filter was used to get a 0.01-30-Hz frequency band. Fractal dimensions, entropy values, power spectral densities, and Hjorth parameters from electroencephalography and P300 components from evoked potentials were calculated as features. To decrease the size of the feature set, some features, which yield less detail level for data, were eliminated. The visual and auditory stimuli in selective attention were compared with the divided attention state, and the best accuracy was found to be 88.89% on a support vector machine with linear kernel. As a result, it was seen that divided attention could be more difficult to determine from selective attention, but successful classification could be obtained with appropriate methods. Contrary to literature, the study deals with the infrastructure of attention types by working on a completely healthy and attention-high group. Graphical abstract.
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Affiliation(s)
- Turgay Batbat
- Faculty of Engineering, Erciyes University, Kayseri, Turkey.
| | - Ayşegül Güven
- Faculty of Engineering, Erciyes University, Kayseri, Turkey
| | - Nazan Dolu
- Faculty of Medicine, Başkent University, Ankara, Turkey
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65
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Al-Shargie F, Tariq U, Mir H, Alawar H, Babiloni F, Al-Nashash H. Vigilance Decrement and Enhancement Techniques: A Review. Brain Sci 2019; 9:E178. [PMID: 31357524 PMCID: PMC6721323 DOI: 10.3390/brainsci9080178] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 07/18/2019] [Accepted: 07/25/2019] [Indexed: 01/05/2023] Open
Abstract
This paper presents the first comprehensive review on vigilance enhancement using both conventional and unconventional means, and further discusses the resulting contradictory findings. It highlights the key differences observed between the research findings and argues that variations of the experimental protocol could be a significant contributing factor towards such contradictory results. Furthermore, the paper reveals the effectiveness of unconventional means of enhancement in significant reduction of vigilance decrement compared to conventional means. Meanwhile, a discussion on the challenges of enhancement techniques is presented, with several suggested recommendations and alternative strategies to maintain an adequate level of vigilance for the task at hand. Additionally, this review provides evidence in support of the use of unconventional means of enhancement on vigilance studies, regardless of their practical challenges.
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Affiliation(s)
- Fares Al-Shargie
- Department of Electrical Engineering, Biosciences and Bioengineering Research Institute, American University of Sharjah, Sharjah 26666, United Arab Emirates.
| | - Usman Tariq
- Department of Electrical Engineering, Biosciences and Bioengineering Research Institute, American University of Sharjah, Sharjah 26666, United Arab Emirates
| | - Hasan Mir
- Department of Electrical Engineering, Biosciences and Bioengineering Research Institute, American University of Sharjah, Sharjah 26666, United Arab Emirates
| | - Hamad Alawar
- Dubai Police Headquarters, Dubai 1493, United Arab Emirates
| | - Fabio Babiloni
- Dept. Molecular Medicine, University of Rome Sapienza, 00185 Rome, Italy
- College of Computer Science and Technology, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Hasan Al-Nashash
- Department of Electrical Engineering, Biosciences and Bioengineering Research Institute, American University of Sharjah, Sharjah 26666, United Arab Emirates
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66
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Lohani M, Payne BR, Strayer DL. A Review of Psychophysiological Measures to Assess Cognitive States in Real-World Driving. Front Hum Neurosci 2019; 13:57. [PMID: 30941023 PMCID: PMC6434408 DOI: 10.3389/fnhum.2019.00057] [Citation(s) in RCA: 90] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 02/01/2019] [Indexed: 11/13/2022] Open
Abstract
As driving functions become increasingly automated, motorists run the risk of becoming cognitively removed from the driving process. Psychophysiological measures may provide added value not captured through behavioral or self-report measures alone. This paper provides a selective review of the psychophysiological measures that can be utilized to assess cognitive states in real-world driving environments. First, the importance of psychophysiological measures within the context of traffic safety is discussed. Next, the most commonly used physiology-based indices of cognitive states are considered as potential candidates relevant for driving research. These include: electroencephalography and event-related potentials, optical imaging, heart rate and heart rate variability, blood pressure, skin conductance, electromyography, thermal imaging, and pupillometry. For each of these measures, an overview is provided, followed by a discussion of the methods for measuring it in a driving context. Drawing from recent empirical driving and psychophysiology research, the relative strengths and limitations of each measure are discussed to highlight each measures' unique value. Challenges and recommendations for valid and reliable quantification from lab to (less predictable) real-world driving settings are considered. Finally, we discuss measures that may be better candidates for a near real-time assessment of motorists' cognitive states that can be utilized in applied settings outside the lab. This review synthesizes the literature on in-vehicle psychophysiological measures to advance the development of effective human-machine driving interfaces and driver support systems.
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Affiliation(s)
- Monika Lohani
- Department of Educational Psychology, University of Utah, Salt Lake City, UT, United States
| | - Brennan R. Payne
- Department of Psychology, University of Utah, Salt Lake City, UT, United States
| | - David L. Strayer
- Department of Psychology, University of Utah, Salt Lake City, UT, United States
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67
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Matusz PJ, Turoman N, Tivadar RI, Retsa C, Murray MM. Brain and Cognitive Mechanisms of Top–Down Attentional Control in a Multisensory World: Benefits of Electrical Neuroimaging. J Cogn Neurosci 2019; 31:412-430. [DOI: 10.1162/jocn_a_01360] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
In real-world environments, information is typically multisensory, and objects are a primary unit of information processing. Object recognition and action necessitate attentional selection of task-relevant from among task-irrelevant objects. However, the brain and cognitive mechanisms governing these processes remain not well understood. Here, we demonstrate that attentional selection of visual objects is controlled by integrated top–down audiovisual object representations (“attentional templates”) while revealing a new brain mechanism through which they can operate. In multistimulus (visual) arrays, attentional selection of objects in humans and animal models is traditionally quantified via “the N2pc component”: spatially selective enhancements of neural processing of objects within ventral visual cortices at approximately 150–300 msec poststimulus. In our adaptation of Folk et al.'s [Folk, C. L., Remington, R. W., & Johnston, J. C. Involuntary covert orienting is contingent on attentional control settings. Journal of Experimental Psychology: Human Perception and Performance, 18, 1030–1044, 1992] spatial cueing paradigm, visual cues elicited weaker behavioral attention capture and an attenuated N2pc during audiovisual versus visual search. To provide direct evidence for the brain, and so, cognitive, mechanisms underlying top–down control in multisensory search, we analyzed global features of the electrical field at the scalp across our N2pcs. In the N2pc time window (170–270 msec), color cues elicited brain responses differing in strength and their topography. This latter finding is indicative of changes in active brain sources. Thus, in multisensory environments, attentional selection is controlled via integrated top–down object representations, and so not only by separate sensory-specific top–down feature templates (as suggested by traditional N2pc analyses). We discuss how the electrical neuroimaging approach can aid research on top–down attentional control in naturalistic, multisensory settings and on other neurocognitive functions in the growing area of real-world neuroscience.
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Affiliation(s)
- Pawel J. Matusz
- University of Applied Sciences Western Switzerland (HES-SO Valais)
- University Hospital Centre and University of Lausanne
- Vanderbilt University, Nashville, TN
| | - Nora Turoman
- University Hospital Centre and University of Lausanne
| | - Ruxandra I. Tivadar
- University Hospital Centre and University of Lausanne
- University of Lausanne and Fondation Asile des Aveugles
| | - Chrysa Retsa
- University Hospital Centre and University of Lausanne
| | - Micah M. Murray
- University Hospital Centre and University of Lausanne
- Vanderbilt University, Nashville, TN
- University of Lausanne and Fondation Asile des Aveugles
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68
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Maksimenko VA, Hramov AE, Frolov NS, Lüttjohann A, Nedaivozov VO, Grubov VV, Runnova AE, Makarov VV, Kurths J, Pisarchik AN. Increasing Human Performance by Sharing Cognitive Load Using Brain-to-Brain Interface. Front Neurosci 2018; 12:949. [PMID: 30631262 PMCID: PMC6315120 DOI: 10.3389/fnins.2018.00949] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 11/29/2018] [Indexed: 11/13/2022] Open
Abstract
Brain-computer interfaces (BCIs) attract a lot of attention because of their ability to improve the brain's efficiency in performing complex tasks using a computer. Furthermore, BCIs can increase human's performance not only due to human-machine interactions, but also thanks to an optimal distribution of cognitive load among all members of a group working on a common task, i.e., due to human-human interaction. The latter is of particular importance when sustained attention and alertness are required. In every day practice, this is a common occurrence, for example, among office workers, pilots of a military or a civil aircraft, power plant operators, etc. Their routinely work includes continuous monitoring of instrument readings and implies a heavy cognitive load due to processing large amounts of visual information. In this paper, we propose a brain-to-brain interface (BBI) which estimates brain states of every participant and distributes a cognitive load among all members of the group accomplishing together a common task. The BBI allows sharing the whole workload between all participants depending on their current cognitive performance estimated from their electrical brain activity. We show that the team efficiency can be increased due to redistribution of the work between participants so that the most difficult workload falls on the operator who exhibits maximum performance. Finally, we demonstrate that the human-to-human interaction is more efficient in the presence of a certain delay determined by brain rhythms. The obtained results are promising for the development of a new generation of communication systems based on neurophysiological brain activity of interacting people. Such BBIs will distribute a common task between all group members according to their individual physical conditions.
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Affiliation(s)
- Vladimir A Maksimenko
- REC "Artificial Intelligence Systems and Neurotechnology", Yuri Gagarin State Technical University of Saratov, Saratov, Russia
| | - Alexander E Hramov
- REC "Artificial Intelligence Systems and Neurotechnology", Yuri Gagarin State Technical University of Saratov, Saratov, Russia
| | - Nikita S Frolov
- REC "Artificial Intelligence Systems and Neurotechnology", Yuri Gagarin State Technical University of Saratov, Saratov, Russia
| | | | - Vladimir O Nedaivozov
- REC "Artificial Intelligence Systems and Neurotechnology", Yuri Gagarin State Technical University of Saratov, Saratov, Russia
| | - Vadim V Grubov
- REC "Artificial Intelligence Systems and Neurotechnology", Yuri Gagarin State Technical University of Saratov, Saratov, Russia
| | - Anastasia E Runnova
- REC "Artificial Intelligence Systems and Neurotechnology", Yuri Gagarin State Technical University of Saratov, Saratov, Russia
| | - Vladimir V Makarov
- REC "Artificial Intelligence Systems and Neurotechnology", Yuri Gagarin State Technical University of Saratov, Saratov, Russia
| | - Jürgen Kurths
- Potsdam Institute for Climate Impact Research, Potsdam, Germany.,Department of Physics, Humboldt University, Berlin, Germany.,Institute for Complex Systems and Mathematical Biology, University of Aberdeen, Aberdeen, United Kingdom
| | - Alexander N Pisarchik
- REC "Artificial Intelligence Systems and Neurotechnology", Yuri Gagarin State Technical University of Saratov, Saratov, Russia.,Center for Biomedical Technology, Technical University of Madrid, Madrid, Spain
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69
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Zhang Y, Qin F, Liu B, Qi X, Zhao Y, Zhang D. Wearable Neurophysiological Recordings in Middle-School Classroom Correlate With Students' Academic Performance. Front Hum Neurosci 2018; 12:457. [PMID: 30483086 PMCID: PMC6240591 DOI: 10.3389/fnhum.2018.00457] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2018] [Accepted: 10/25/2018] [Indexed: 11/13/2022] Open
Abstract
The rapid development of wearable bio-sensing techniques has made it possible to continuously record neurophysiological signals in naturalistic scenarios such as the classroom. The present study aims to explore the neurophysiological correlates of middle-school students' academic performance. The electrodermal signals (EDAs) and heart rates (HRs) were collected via wristband from 100 Grade seven students during their daily Chinese and math classes for 10 days in 2 weeks. Significant correlations were found between the academic performance as reflected by the students' final exam scores and the EDA responses. Further regression analyses revealed significant prediction of the academic performance mainly by the transient EDA responses (R 2 = 0.083, p < 0.05, with Chinese classes only; R 2 = 0.030, p < 0.05, with both Chinese and math classes included). By combining the self-report data about session-based general statuses and the neurophysiological data, the explained powers of the regression models were further improved (R 2 = 0.095, p < 0.05, with Chinese classes only; R 2 = 0.057, p < 0.05, with both Chinese and math classes included), and the neurophysiological data were shown to have independent contributions to the regression models. In addition, the regression models became non-significant by exchanging the academic performances of the Chinese and math classes as the dependent variables, suggesting at least partly distinct neurophysiological responses for the two types of classes. Our findings provide evidences supporting the feasibility of predicting educational outputs by wearable neurophysiological recordings.
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Affiliation(s)
- Yu Zhang
- Institute of Education, Tsinghua University, Beijing, China
| | - Fei Qin
- Institute of Education, Tsinghua University, Beijing, China
| | - Bo Liu
- Institute of Education, Tsinghua University, Beijing, China
| | - Xuan Qi
- Institute of Education, Tsinghua University, Beijing, China
| | - Yingying Zhao
- Institute of Education, Tsinghua University, Beijing, China
| | - Dan Zhang
- Department of Psychology, School of Social Sciences, Tsinghua University, Beijing, China
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70
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Mohamed Z, El Halaby M, Said T, Shawky D, Badawi A. Characterizing Focused Attention and Working Memory Using EEG. SENSORS (BASEL, SWITZERLAND) 2018; 18:E3743. [PMID: 30400215 PMCID: PMC6263653 DOI: 10.3390/s18113743] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 10/29/2018] [Accepted: 10/30/2018] [Indexed: 12/14/2022]
Abstract
Detecting the cognitive profiles of learners is an important step towards personalized and adaptive learning. Electroencephalograms (EEG) have been used to detect the subject's emotional and cognitive states. In this paper, an approach for detecting two cognitive skills, focused attention and working memory, using EEG signals is proposed. The proposed approach consists of the following main steps: first, subjects undergo a scientifically-validated cognitive assessment test that stimulates and measures their full cognitive profile while putting on a 14-channel wearable EEG headset. Second, the scores of focused attention and working memory are extracted and encoded for a classification problem. Third, the collected EEG data are analyzed and a total of 280 time- and frequency-domain features are extracted. Fourth, several classifiers were trained to correctly classify and predict three levels (low, average, and high) of the two cognitive skills. The classification accuracies that were obtained on 86 subjects were 84% and 81% for the focused attention and working memory, respectively. In comparison with similar approaches, the obtained results indicate the generalizability and suitability of the proposed approach for the detection of these two skills. Thus, the presented approach can be used as a step towards adaptive learning where real-time adaptation is to be done according to the predicted levels of the measured cognitive skills.
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Affiliation(s)
- Zainab Mohamed
- Center for Learning Technologies, University of Science and Technology, Zewail City, Giza 12578, Egypt.
| | - Mohamed El Halaby
- Mathematics Department, Faculty of Science, Cairo University, Giza 12613, Egypt.
| | - Tamer Said
- Center for Learning Technologies, University of Science and Technology, Zewail City, Giza 12578, Egypt.
| | - Doaa Shawky
- Engineering Mathematics Department, Faculty of Engineering, Cairo University, Giza 12613, Egypt.
| | - Ashraf Badawi
- Center for Learning Technologies, University of Science and Technology, Zewail City, Giza 12578, Egypt.
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71
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Aricò P, Borghini G, Di Flumeri G, Sciaraffa N, Babiloni F. Passive BCI beyond the lab: current trends and future directions. Physiol Meas 2018; 39:08TR02. [DOI: 10.1088/1361-6579/aad57e] [Citation(s) in RCA: 115] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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72
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Munoz R, Olivares R, Taramasco C, Villarroel R, Soto R, Barcelos TS, Merino E, Alonso-Sánchez MF. Using Black Hole Algorithm to Improve EEG-Based Emotion Recognition. COMPUTATIONAL INTELLIGENCE AND NEUROSCIENCE 2018; 2018:3050214. [PMID: 29991942 PMCID: PMC6016227 DOI: 10.1155/2018/3050214] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 04/18/2018] [Accepted: 05/08/2018] [Indexed: 12/22/2022]
Abstract
Emotions are a critical aspect of human behavior. One widely used technique for research in emotion measurement is based on the use of EEG signals. In general terms, the first step of signal processing is the elimination of noise, which can be done in manual or automatic terms. The next step is determining the feature vector using, for example, entropy calculation and its variations to generate a classification model. It is possible to use this approach to classify theoretical models such as the Circumplex model. This model proposes that emotions are distributed in a two-dimensional circular space. However, methods to determine the feature vector are highly susceptible to noise that may exist in the signal. In this article, a new method to adjust the classifier is proposed using metaheuristics based on the black hole algorithm. The method is aimed at obtaining results similar to those obtained with manual noise elimination methods. In order to evaluate the proposed method, the MAHNOB HCI Tagging Database was used. Results show that using the black hole algorithm to optimize the feature vector of the Support Vector Machine we obtained an accuracy of 92.56% over 30 executions.
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Affiliation(s)
- Roberto Munoz
- Escuela de Ingeniería Civil Informática, Universidad de Valparaíso, Valparaíso, Chile
- Pontificia Universidad Católica de Valparaíso, Valparaíso, Chile
| | - Rodrigo Olivares
- Escuela de Ingeniería Civil Informática, Universidad de Valparaíso, Valparaíso, Chile
- Pontificia Universidad Católica de Valparaíso, Valparaíso, Chile
| | - Carla Taramasco
- Escuela de Ingeniería Civil Informática, Universidad de Valparaíso, Valparaíso, Chile
| | | | - Ricardo Soto
- Pontificia Universidad Católica de Valparaíso, Valparaíso, Chile
| | - Thiago S. Barcelos
- Instituto Federal de Educação, Ciência e Tecnologia de São Paulo, Brazil
| | - Erick Merino
- Escuela de Ingeniería Civil Informática, Universidad de Valparaíso, Valparaíso, Chile
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van Atteveldt N, van Kesteren MT, Braams B, Krabbendam L. Neuroimaging of learning and development: improving ecological validity. FRONTLINE LEARNING RESEARCH 2018; 6:186-203. [PMID: 31799220 PMCID: PMC6887532 DOI: 10.14786/flr.v6i3.366] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Modern neuroscience research, including neuroimaging techniques such as functional magnetic resonance imaging (fMRI), has provided valuable insights that advanced our understanding of brain development and learning processes significantly. However, there is a lively discussion about whether and how these insights can be meaningful to the educational practice. One of the main challenges is the low ecological validity of neuroimaging studies, making it hard to translate neuroimaging findings to real-life learning situations. Here, we describe four approaches that increase the ecological validity of neuroimaging experiments: using more naturalistic stimuli and tasks, moving the research to more naturalistic settings by using portable neuroimaging devices, combining tightly controlled lab-based neuroimaging measurements with real-life variables and follow-up field studies, and including stakeholders from the practice at all stages of the research. We illustrate these approaches with examples and explain how these directions of research optimize the benefits of neuroimaging techniques to study learning and development. This paper provides a frontline overview of methodological approaches that can be used for future neuroimaging studies to increase their ecological validity and thereby their relevance and applicability to the learning practice.
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Affiliation(s)
- Nienke van Atteveldt
- Vrije Universiteit Amsterdam, The Netherlands
- Institute Learn!, Vrije Universiteit Amsterdam, The Netherlands
- Institute for Brain and Behavior Amsterdam (IBBA), The Netherlands
| | - Marlieke T.R. van Kesteren
- Vrije Universiteit Amsterdam, The Netherlands
- Institute Learn!, Vrije Universiteit Amsterdam, The Netherlands
- Institute for Brain and Behavior Amsterdam (IBBA), The Netherlands
| | - Barbara Braams
- Vrije Universiteit Amsterdam, The Netherlands
- Institute Learn!, Vrije Universiteit Amsterdam, The Netherlands
- Institute for Brain and Behavior Amsterdam (IBBA), The Netherlands
| | - Lydia Krabbendam
- Vrije Universiteit Amsterdam, The Netherlands
- Institute Learn!, Vrije Universiteit Amsterdam, The Netherlands
- Institute for Brain and Behavior Amsterdam (IBBA), The Netherlands
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