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Mathewson KE, Kuziek JP, Scanlon JEM, Robles D. The moving wave: Applications of the mobile EEG approach to study human attention. Psychophysiology 2024; 61:e14603. [PMID: 38798056 DOI: 10.1111/psyp.14603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 04/22/2024] [Accepted: 04/23/2024] [Indexed: 05/29/2024]
Abstract
Although historically confined to traditional research laboratories, electroencephalography (EEG) paradigms are now being applied to study a wide array of behaviors, from daily activities to specialized tasks in diverse fields such as sports science, neurorehabilitation, and education. This transition from traditional to real-world mobile research can provide new tools for understanding attentional processes as they occur naturally. Early mobile EEG research has made progress, despite the large size and wired connections. Recent developments in hardware and software have expanded the possibilities of mobile EEG, enabling a broader range of applications. Despite these advancements, limitations influencing mobile EEG remain that must be overcome to achieve adequate reliability and validity. In this review, we first assess the feasibility of mobile paradigms, including electrode selection, artifact correction techniques, and methodological considerations. This review underscores the importance of ecological, construct, and predictive validity in ensuring the trustworthiness and applicability of mobile EEG findings. Second, we explore studies on attention in naturalistic settings, focusing on replicating classic P3 component studies in mobile paradigms like stationary biking in our lab, and activities such as walking, cycling, and dual-tasking outside of the lab. We emphasize how the mobile approach complements traditional laboratory paradigms and the types of insights gained in naturalistic research settings. Third, we discuss promising applications of portable EEG in workplace safety and other areas including road safety, rehabilitation medicine, and brain-computer interfaces. In summary, this review explores the expanding possibilities of mobile EEG while recognizing the existing challenges in fully realizing its potential.
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Affiliation(s)
- Kyle E Mathewson
- Department of Psychology, Faculty of Science, University of Alberta, Edmonton, Alberta, Canada
| | - Jonathan P Kuziek
- Faculty of Medicine, University of Calgary, Calgary, Alberta, Canada
| | | | - Daniel Robles
- Department of Psychology, Rutgers University, Piscataway, New Jersey, USA
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Xu J, Wainio-Theberge S, Wolff A, Qin P, Zhang Y, She X, Wang Y, Wolman A, Smith D, Ignaszewski J, Choueiry J, Knott V, Scalabrini A, Northoff G. Culture shapes spontaneous brain dynamics - Shared versus idiosyncratic neural features among Chinese versus Canadian subjects. Soc Neurosci 2023; 18:312-330. [PMID: 37909114 DOI: 10.1080/17470919.2023.2278199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 10/27/2023] [Indexed: 11/02/2023]
Abstract
Environmental factors, such as culture, are known to shape individual variation in brain activity including spontaneous activity, but less is known about their population-level effects. Eastern and Western cultures differ strongly in their cultural norms about relationships between individuals. For example, the collectivism, interdependence and tightness of Eastern cultures relative to the individualism, independence and looseness of Western cultures, promote interpersonal connectedness and coordination. Do such cultural contexts therefore influence the group-level variability of their cultural members' spontaneous brain activity? Using novel methods adapted from studies of inter-subject neural synchrony, we compare the group-level variability of resting state EEG dynamics in Chinese and Canadian samples. We observe that Chinese subjects show significantly higher inter-subject correlation and lower inter-subject distance in their EEG power spectra than Canadian subjects, as well as lower variability in theta power and alpha peak frequency. We demonstrate, for the first time, different relationships among subjects' resting state brain dynamics in Chinese and Canadian samples. These results point to more idiosyncratic neural dynamics among Canadian participants, compared with more shared neural features in Chinese participants.
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Affiliation(s)
- Jiawei Xu
- Department of Philosophy, Xiamen University, Xiamen, Fujian, China
| | - Soren Wainio-Theberge
- Mind, Brain Imaging and Neuroethics Research Unit, Institute of Mental Health Research, University of Ottawa, Ottawa, Ontario, Canada
| | - Annemarie Wolff
- Mind, Brain Imaging and Neuroethics Research Unit, Institute of Mental Health Research, University of Ottawa, Ottawa, Ontario, Canada
| | - Pengmin Qin
- Centre for Studies of Psychological Applications, Guangdong Key Laboratory of Mental Health and Cognitive Science, School of Psychology, South China Normal University, Guangzhou, Guangdong, China
| | - Yihui Zhang
- Centre for Studies of Psychological Applications, Guangdong Key Laboratory of Mental Health and Cognitive Science, School of Psychology, South China Normal University, Guangzhou, Guangdong, China
| | - Xuan She
- Centre for Studies of Psychological Applications, Guangdong Key Laboratory of Mental Health and Cognitive Science, School of Psychology, South China Normal University, Guangzhou, Guangdong, China
| | - Yingying Wang
- Institute of Psychological Sciences, College of Education, Hangzhou Normal University, Hangzhou, Zhejiang, China
| | - Angelika Wolman
- Mind, Brain Imaging and Neuroethics Research Unit, Institute of Mental Health Research, University of Ottawa, Ottawa, Ontario, Canada
| | - David Smith
- Mind, Brain Imaging and Neuroethics Research Unit, Institute of Mental Health Research, University of Ottawa, Ottawa, Ontario, Canada
| | - Julia Ignaszewski
- Mind, Brain Imaging and Neuroethics Research Unit, Institute of Mental Health Research, University of Ottawa, Ottawa, Ontario, Canada
| | - Joelle Choueiry
- Institute of Mental Health Research, University of Ottawa, Ottawa, ON, Canada
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
- School of Psychology, Faculty of Social Sciences, University of Ottawa, Ottawa, ON, Canada
| | - Verner Knott
- Institute of Mental Health Research, University of Ottawa, Ottawa, ON, Canada
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
- School of Psychology, Faculty of Social Sciences, University of Ottawa, Ottawa, ON, Canada
| | - Andrea Scalabrini
- Department of Human and Social Sciences, University of Bergamo, Bergamo, Italy
| | - Georg Northoff
- Mind, Brain Imaging and Neuroethics Research Unit, Institute of Mental Health Research, University of Ottawa, Ottawa, Ontario, Canada
- Mental Health Center, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
- Centre for Cognition and Brain Disorders, Hangzhou Normal University, Hangzhou, Zhejiang, China
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Freschl J, Azizi LA, Balboa L, Kaldy Z, Blaser E. The development of peak alpha frequency from infancy to adolescence and its role in visual temporal processing: A meta-analysis. Dev Cogn Neurosci 2022; 57:101146. [PMID: 35973361 PMCID: PMC9399966 DOI: 10.1016/j.dcn.2022.101146] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 07/21/2022] [Accepted: 08/08/2022] [Indexed: 01/19/2023] Open
Abstract
While it has been shown that alpha frequency increases over development (Stroganova et al., 1999), a precise trajectory has not yet been specified, making it challenging to constrain theories linking alpha rhythms to perceptual development. We conducted a comprehensive review of studies measuring resting-state occipital peak alpha frequency (PAF, the frequency exhibiting maximum power) from birth to 18 years of age. From 889 potentially relevant studies, we identified 40 reporting PAF (109 samples; 3882 subjects). A nonlinear regression revealed that PAF increases quickly in early childhood (from 6.1 Hz at 6 months to 8.4 Hz at 5 years) and levels off in adolescence (9.7 Hz at 13 years), with an asymptote at 10.1 Hz. We found no effect of resting state procedure (eyes-open versus eyes-closed) or biological sex. PAF has been implicated as a clock on visual temporal processing, with faster frequencies associated with higher visual temporal resolution. Psychophysical studies have shown that temporal resolution reaches adult levels by 5 years of age (Freschl et al., 2019, 2020). The fact that PAF reaches the adult range of 8-12 Hz by that age strengthens the link between PAF and temporal resolution.
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Affiliation(s)
- Julie Freschl
- University of Massachusetts Boston, Boston, MA, USA; Smith-Kettlewell Eye Research Institute, San Francisco, CA, USA.
| | | | | | - Zsuzsa Kaldy
- University of Massachusetts Boston, Boston, MA, USA
| | - Erik Blaser
- University of Massachusetts Boston, Boston, MA, USA
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Prinsloo S, Rosenthal DI, Garcia MK, Meng Z, Cohen L. Cross-Cultural Brain Activity Differences Between True and Sham Acupuncture for Xerostomia During Head and Neck Cancer Radiotherapy. Integr Cancer Ther 2022; 21:15347354221101630. [PMID: 35603438 PMCID: PMC9125604 DOI: 10.1177/15347354221101630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Background: A prior phase III, multicenter (United States and China), clinical trial
found true acupuncture (TA) resulted in lower xerostomia scores 12 months
after radiotherapy than that of a standard care control group. This small
pilot study examined brain function changes comparing TA to sham acupuncture
(SA) in US and Fudan patients undergoing head and neck radiotherapy. Methods: To determine cerebral activity during TA versus SA acupuncture, patients
underwent electroencephalogram evaluation (EEG) immediately prior, during
and after both conditions. Acupuncture occurred during weeks 3 to 5 of
radiotherapy, with patients receiving either TA or SA, followed 2 to 3 days
later by the other treatment in a counterbalanced manner. Results: In the TA minus SA condition (N = 14 Fudan; N = 13 US), most changes were in
the delta (0.5-3.5 Hz) and alpha (8-12 Hz) bandwidths. Delta was present in
the frontal gyrus and parahippocampal gyrus. Alpha was present in the
anterior and posterior cingulate, lingual gyrus, amygdala, precuneus, medial
frontal gyrus, fusiform gyrus, and superior frontal gyrus. Maximal cortical
differences in the Fudan cohort between TA and SA were in areas previously
shown to be associated with (TA). In the US cohort, maximal differences
between TA and SA were associated with areas which are usually decreased in
TA conditions. Conclusions: There were distinct differences in brain function between those receiving TA
and SA and there were clear differences between cultures, helping to explain
the lack of placebo effect in the Fudan participants and strong placebo
effect in the US patients.
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Affiliation(s)
- Sarah Prinsloo
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | | | - Mary Kay Garcia
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Zhiqiang Meng
- Fudan University Shanghai Cancer Center, Shanghai, China
| | - Lorenzo Cohen
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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Bhavnani S, Parameshwaran D, Sharma KK, Mukherjee D, Divan G, Patel V, Thiagarajan TC. The Acceptability, Feasibility, and Utility of Portable Electroencephalography to Study Resting-State Neurophysiology in Rural Communities. Front Hum Neurosci 2022; 16:802764. [PMID: 35386581 PMCID: PMC8978891 DOI: 10.3389/fnhum.2022.802764] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 02/17/2022] [Indexed: 11/23/2022] Open
Abstract
Electroencephalography (EEG) provides a non-invasive means to advancing our understanding of the development and function of the brain. However, the majority of the world’s population residing in low and middle income countries has historically been limited from contributing to, and thereby benefiting from, such neurophysiological research, due to lack of scalable validated methods of EEG data collection. In this study, we establish a standard operating protocol to collect approximately 3 min each of eyes-open and eyes-closed resting-state EEG data using a low-cost portable EEG device in rural households through formative work in the community. We then evaluate the acceptability of these EEG assessments to young children and feasibility of administering them through non-specialist workers. Finally, we describe properties of the EEG recordings obtained using this novel approach to EEG data collection. The formative phase was conducted with 9 families which informed protocols for consenting, child engagement strategies and data collection. The protocol was then implemented on 1265 families. 977 children (Mean age = 38.8 months, SD = 0.9) and 1199 adults (Mean age = 27.0 years, SD = 4) provided resting-state data for this study. 259 children refused to wear the EEG cap or removed it, and 58 children refused the eyes-closed recording session. Hardware or software issues were experienced during 30 and 25 recordings in eyes-open and eyes-closed conditions respectively. Disturbances during the recording sessions were rare and included participants moving their heads, touching the EEG headset with their hands, opening their eyes within the eyes-closed recording session, and presence of loud sounds in the testing environment. Similar to findings in laboratory-based studies from high-income settings, the percentage of recordings which showed an alpha peak was higher in eyes-closed than eyes-open condition, with the peak occurring most frequently in electrodes at O1 and O2 positions, and the mean frequency of the alpha peak was found to be lower in children (8.43 Hz, SD = 1.73) as compared to adults (10.71 Hz, SD = 3.96). We observed a deterioration in the EEG signal with prolonged device usage. This study demonstrates the acceptability, feasibility and utility of conducting EEG research at scale in a rural low-resource community, while highlighting its potential limitations, and offers the impetus needed to further refine the methods and devices and validate such scalable methods to overcome existing research inequity.
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Affiliation(s)
- Supriya Bhavnani
- Child Development Group, Sangath, Goa, India.,Public Health Foundation of India, New Delhi, India
| | | | | | - Debarati Mukherjee
- Indian Institute of Public Health-Bengaluru, Public Health Foundation of India, Bengaluru, India
| | - Gauri Divan
- Child Development Group, Sangath, Goa, India
| | - Vikram Patel
- Child Development Group, Sangath, Goa, India.,Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA, United States.,Department of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, MA, United States
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Depoorter A, Herrmann K, Früh J, Schulzke S, Wellmann S, Weber P. Mismatch response in preterm and asphyxic neonates: a functional electrophysiological investigation of attention and habituation. J Matern Fetal Neonatal Med 2021; 35:5864-5871. [PMID: 33730983 DOI: 10.1080/14767058.2021.1900101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
BACKGROUND AND AIM There is a lack of diagnostic tools for early risk stratification of cognitive outcome in infants born preterm and infants with asphyxia. Using auditory event-related potentials and mismatch response, we aimed to assess possible differences in early attention and learning, as a marker for brain maturation to subsequently improve the allocation of early neurodevelopmental support. STUDY DESIGN AND METHODS This cross-sectional study included 22 very preterm infants (gestational age (GA) < 32 weeks), eight term infants with asphyxia and 35 healthy term infants. An auditory oddball-paradigm with three consecutive stimulation blocks, separated by a two-minute break, was used as a cognitive discrimination task to assess attention and habituation. RESULTS The peak-to-peak analysis in the group comparisons showed no significant differences for the first stimulation block. In term healthy infants and term infants after asphyxia, no significant differences were found in amplitudes between block one and three. Preterm infants showed significantly (p = .007) lower amplitudes in the third block for F7 congruent to a positive habituation. The amplitude of the grouped electrodes correlated positively with GA for frontal (R = .271, p= .029) and parietal electrodes (R =.275, p = .027). CONCLUSION We found no differences in the auditory attention paradigm between preterm or term asphyxic and control infants when they were evaluated at term corrected age. Most infants did not show any electrophysiologically measurable learning effect indicating habituation or dishabituation. The small sample size of this study is a clear limitation. Therefore, the results must be evaluated with caution, especially regarding their potential predictive value for future cognitive development of infants with a developmental risk. However, our study underlines the possibility of an electrophysiological evaluation as a feasible tool to assess very early cognition in infants.
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Affiliation(s)
- Antoinette Depoorter
- Department of Neuropediatrics and Developmental Medicine, University Children's Hospital Basel UKBB, University of Basel, Switzerland
| | - Katharina Herrmann
- Department of Neuropediatrics and Developmental Medicine, University Children's Hospital Basel UKBB, University of Basel, Switzerland
| | - Julia Früh
- Department of Neuropediatrics and Developmental Medicine, University Children's Hospital Basel UKBB, University of Basel, Switzerland
| | - Sven Schulzke
- Department of Neonatology, University Children's Hospital Basel UKBB, University of Basel, Switzerland
| | - Sven Wellmann
- Department of Neonatology, University Children's Hospital Basel UKBB, University of Basel, Switzerland
| | - Peter Weber
- Department of Neuropediatrics and Developmental Medicine, University Children's Hospital Basel UKBB, University of Basel, Switzerland
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EEG signatures of cognitive and social development of preschool children-a systematic review. PLoS One 2021; 16:e0247223. [PMID: 33606804 PMCID: PMC7895403 DOI: 10.1371/journal.pone.0247223] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 02/03/2021] [Indexed: 01/09/2023] Open
Abstract
Background Early identification of preschool children who are at risk of faltering in their development is essential to ensuring that all children attain their full potential. Electroencephalography (EEG) has been used to measure neural correlates of cognitive and social development in children for decades. Effective portable and low-cost EEG devices increase the potential of its use to assess neurodevelopment in children at scale and particularly in low-resource settings. We conducted a systematic review aimed to synthesise EEG measures of cognitive and social development in 2-5-year old children. Our secondary aim was to identify how these measures differ across a) the course of development within this age range, b) gender and c) socioeconomic status (SES). Methods and findings A systematic literature search identified 51 studies for inclusion in this review. Data relevant to the primary and secondary aims was extracted from these studies and an assessment for risk of bias was done, which highlighted the need for harmonisation of EEG data collection and analysis methods across research groups and more detailed reporting of participant characteristics. Studies reported on the domains of executive function (n = 22 papers), selective auditory attention (n = 9), learning and memory (n = 5), processing of faces (n = 7) and emotional stimuli (n = 8). For papers investigating executive function and selective auditory attention, the most commonly reported measures were alpha power and the amplitude and latency of positive (P1, P2, P3) and negative (N1, N2) deflections of event related potential (ERPs) components. The N170 and P1 ERP components were the most commonly reported neural responses to face and emotional faces stimuli. A mid-latency negative component and positive slow wave were used to index learning and memory, and late positive potential in response to emotional non-face stimuli. While almost half the studies described changes in EEG measures across age, only eight studies disaggregated results based on gender, and six included children from low income households to assess the impact of SES on neurodevelopment. No studies were conducted in low- and middle-income countries. Conclusion This review has identified power across the EEG spectrum and ERP components to be the measures most commonly reported in studies in which preschool children engage in tasks indexing cognitive and social development. It has also highlighted the need for additional research into their changes across age and based on gender and SES.
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Maguire MJ, Schneider JM. Socioeconomic status related differences in resting state EEG activity correspond to differences in vocabulary and working memory in grade school. Brain Cogn 2019; 137:103619. [DOI: 10.1016/j.bandc.2019.103619] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 08/13/2019] [Accepted: 10/07/2019] [Indexed: 01/21/2023]
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Ghaderi AH, Andevari MN, Sowman PF. Evidence for a Resting State Network Abnormality in Adults Who Stutter. Front Integr Neurosci 2018; 12:16. [PMID: 29755328 PMCID: PMC5934488 DOI: 10.3389/fnint.2018.00016] [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: 01/24/2018] [Accepted: 04/10/2018] [Indexed: 01/21/2023] Open
Abstract
Neural network-based investigations of stuttering have begun to provide a possible integrative account for the large number of brain-based anomalies associated with stuttering. Here we used resting-state EEG to investigate functional brain networks in adults who stutter (AWS). Participants were 19 AWS and 52 age-, and gender-matched normally fluent speakers. EEGs were recorded and connectivity matrices were generated by LORETA in the theta (4-8 Hz), alpha (8-12 Hz), beta1 (12-20 Hz), and beta2 (20-30 Hz) bands. Small-world propensity (SWP), shortest path, and clustering coefficients were computed for weighted graphs. Minimum spanning tree analysis was also performed and measures were compared by non-parametric permutation test. The results show that small-world topology was evident in the functional networks of all participants. Three graph indices (diameter, clustering coefficient, and shortest path) exhibited significant differences between groups in the theta band and one [maximum betweenness centrality (BC)] measure was significantly different between groups in the beta2 band. AWS show higher BC than control in right temporal and inferior frontal areas and lower BC in the right primary motor cortex. Abnormal functional networks during rest state suggest an anomaly of DMN activity in AWS. Furthermore, functional segregation/integration deficits in the theta network are evident in AWS. These deficits reinforce the hypothesis that there is a neural basis for abnormal executive function in AWS. Increased beta2 BC in the right speech-motor related areas confirms previous evidence that right audio-speech areas are over-activated in AWS. Decreased beta2 BC in the right primary motor cortex is discussed in relation to abnormal neural mechanisms associated with time perception in AWS.
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Affiliation(s)
- Amir H. Ghaderi
- Cognitive Neuroscience Laboratory, University of Tabriz, Tabriz, Iran
- Iranian Neuro-wave Laboratory, Center of Isfahan, Isfahan, Iran
| | - Masoud N. Andevari
- Iranian Neuro-wave Laboratory, Center of Isfahan, Isfahan, Iran
- Department of Physics, School of Basic Science, Babol Noshirvani University of Technology, Babol, Iran
| | - Paul F. Sowman
- Department of Cognitive Science, Faculty of Human Sciences, Macquarie University, Sydney, NSW, Australia
- ARC Centre of Excellence in Cognition and its Disorders, Macquarie University, Sydney, NSW, Australia
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