EEG Spectral Feature Modulations Associated with Fatigue in Robot-Mediated Upper Limb Gross Motor and Fine Motor Interactions

AbstractThis paper investigates the EEG spectral feature modulations associated with fatigue induced by robot-mediated upper limb gross motor and fine motor interactions. Twenty healthy participants were randomly assigned to either perform a gross motor interaction with HapticMASTER or a fine motor interaction with SCRIPT passive orthosis for 20 minutes or until volitional fatigue. EEG relative and ratio band power measures were estimated from the data recorded before and after the interactions. Paired-samples t-tests found a significant increase in relative alpha band power on FC3, C3, P3 electrodes, and (θ + α)/β and α/β on C3 electrode following the gross motor interaction. Conversely, relative delta band power on C3 significantly decreased. A significant increase in relative alpha band power on FP1, C3 electrodes and relative theta band power on C4 electrode were found following the fine motor interaction whereas relative delta band power on FP1 electrode significantly decreased. Most participants reported an increase in their physical fatigue level following the gross movements and an increase in their mental fatigue level following the fine movements. Findings affirm that changes to localised brain activity patterns are an indication of fatigue developed from the robot-mediated interactions. It can be concluded that regional differences in the prominent EEG spectral features are most likely due to the differences in the nature of the task (fine/gross motor and distal/proximal upper limb) that may have differently altered an individual’s physical and mental fatigue level. The findings could potentially be utilised to monitor and moderate fatigue during robot-mediated post-stroke therapies.

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Design of a VR-Based Upper Limb Gross Motor and Fine Motor Task Platform for Post-Stroke Survivors

2018 IEEE/ACIS 17th International Conference on Computer and Information Science (ICIS) ◽

10.1109/icis.2018.8466538 ◽

2018 ◽

Cited By ~ 2

Author(s):

Kumar Saurav ◽

Adyasha Dash ◽

Dhaval Solanki ◽

Uttama Lahiri

Keyword(s):

Upper Limb ◽

Motor Task ◽

Fine Motor ◽

Stroke Survivors ◽

Gross Motor ◽

Post Stroke

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PENGEMBANGAN FISIK MOTORIK ANAK USIA DINI DENGAN BERMAI

Edupedia ◽

10.35316/edupedia.v3i2.253 ◽

2019 ◽

Vol 3 (2) ◽

pp. 67-77

Author(s):

Farhatin Masrurah ◽

Khulusinniyah Khulusinniyah

Keyword(s):

Early Childhood ◽

High Activity ◽

Motor Skills ◽

Motor Development ◽

Rapid Growth ◽

Skills Development ◽

Fine Motor ◽

Fine Motor Skills ◽

Gross Motor ◽

Gross Motor Skills

The first five years of a children’s age is the period of rapid growth with physical and motor development. Those process will develop well if stimulated continuously. Early childhood always identic with high activity requires the opportunity to express their abilities. Therefore playing method is very urgent inchildren’s gross motor skills and fine motor skills development through a variety of playing activities both indoors and outdoors. Playing is an activity that cannot be separated from early childhood’s world. All playing activities will be carried out happily. By the same token learning by playing will be done happily without any sense of being forced or oppressed.

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Pre‐stimulus alpha‐band power and phase fluctuations originate from different neural sources and exert distinct impact on stimulus‐evoked responses

European Journal of Neuroscience ◽

10.1111/ejn.15138 ◽

2021 ◽

Author(s):

Agnese Zazio ◽

Philipp Ruhnau ◽

Nathan Weisz ◽

Andreas Wutz

Keyword(s):

Evoked Responses ◽

Alpha Band ◽

Phase Fluctuations ◽

Band Power

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Upper limb proprioception and fine motor function in young pianists

Human Movement Science ◽

10.1016/j.humov.2020.102748 ◽

2021 ◽

Vol 75 ◽

pp. 102748

Author(s):

Yu-Ting Tseng ◽

Fu-Chen Chen ◽

Chia-Liang Tsai ◽

Jürgen Konczak

Keyword(s):

Motor Function ◽

Upper Limb ◽

Fine Motor ◽

Fine Motor Function ◽

Limb Proprioception

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High-frequency submaximal stimulation over muscle evokes centrally generated forces in human upper limb skeletal muscles

Journal of Applied Physiology ◽

10.1152/japplphysiol.90939.2008 ◽

2009 ◽

Vol 106 (2) ◽

pp. 370-377 ◽

Cited By ~ 24

Author(s):

Jean-Sébastien Blouin ◽

Lee D. Walsh ◽

Peter Nickolls ◽

Simon C. Gandevia

Keyword(s):

Upper Limb ◽

High Frequency ◽

Biceps Brachii ◽

Fine Motor ◽

Nerve Blocks ◽

Ia Afferents ◽

Lower Limb Muscles ◽

Peripheral Mechanism ◽

Central Origin ◽

Motor Activities

Control of posture and movement requires control of the output from motoneurons. Motoneurons of human lower limb muscles exhibit sustained, submaximal activity to high-frequency electrical trains, which has been hypothesized to be partly triggered by monosynaptic Ia afferents. The possibility to trigger such behavior in upper limb motoneurons and the potential unique role of Ia afferents to trigger such behavior remain unclear. Subjects ( n = 9) received high-frequency trains of electrical stimuli over biceps brachii and flexor pollicis longus (FPL). We chose to study the FPL muscle because it has weak monosynaptic Ia afferent connectivity and it is involved in fine motor control of the thumb. Two types of stimulus trains (100-Hz bursts and triangular ramps) were tested at five intensities below painful levels. All subjects exhibited enhanced torque in biceps and FPL muscles after both types of high-frequency train. Torques also persisted after stimulation, particularly for the highest stimulus intensity. To separate the evoked torques that resulted from a peripheral mechanism (e.g., muscle potentiation) and that which resulted from a central origin, we studied FPL responses to high-frequency trains after complete combined nerve blocks of the median and radial nerves ( n = 2). During the blocks, high-frequency trains over the FPL did not yield torque enhancements or persisting torques. These results suggest that enhanced contractions of central origin can be elicited in motoneurons innervating the upper limb, despite weak monosynaptic Ia connections for FPL. Their presence in a recently evolved human muscle (FPL) indicates that these enhanced contractions may have a broad role in controlling tonic postural outputs of hand muscles and that they may be available even for fine motor activities involving the thumb.

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Association between maternal shift work and infant neurodevelopmental outcomes: results from the Taiwan Birth Cohort Study with propensity-score-matching analysis

International Journal of Epidemiology ◽

10.1093/ije/dyz045 ◽

2019 ◽

Vol 48 (5) ◽

pp. 1545-1555

Author(s):

Chih-Fu Wei ◽

Mei-Huei Chen ◽

Ching-Chun Lin ◽

Yueliang Leon Guo ◽

Shio-Jean Lin ◽

...

Keyword(s):

Cohort Study ◽

Propensity Score ◽

Birth Cohort ◽

Shift Work ◽

Fine Motor ◽

Birth Cohort Study ◽

Work Status ◽

Neurodevelopmental Outcomes ◽

Gross Motor ◽

Taiwan Birth Cohort Study

Abstract Background Maternal shift work is associated with preterm delivery, small-for-gestational-age new-borns, childhood obesity and future behavioural problems. However, the adverse effects on and interactions of maternal shift work with infant neurodevelopment remain uncertain. Therefore, we examined the associations between maternal-shift-work status and infant neurodevelopmental parameters. Methods The Taiwan Birth Cohort Study is a nationwide birth cohort study following representatively sampled mother–infant pairs in 2005. The participants’ development and exposure conditions were assessed by home interviews with structured questionnaires at 6 and 18 months of age. Propensity scores were calculated with predefined covariates for 1:1 matching. Multivariate conditional logistic regression and the Cox proportional-hazards model were used to examine the association between maternal-shift-work status and infant neurodevelopmental-milestone-achievement status. Results In this study, 5637 term singletons were included, with 2098 cases selected in the propensity-score-matched subpopulation. Persistent maternal shift work was associated with increased risks of delays in gross-motor neurodevelopmental milestones [aOR = 1.36, 95% confidence interval (CI) = 1.06–1.76 for walking steadily], fine-motor neurodevelopmental milestones (aOR = 1.39, 95% CI = 1.07–1.80 for scribbling) and social neurodevelopmental milestones (aOR = 1.35, 95% CI = 1.03–1.76 for coming when called upon). Moreover, delayed gross-motor and social development were identified in the propensity-score-matched sub-cohort. Conclusions This study shows negative associations between maternal shift work and delayed neurodevelopmental-milestone achievement in the gross-motor, fine-motor and social domains at 18 months. Future research is necessary to elucidate the possible underlying mechanisms and long-term health effects.

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Design for Difference: Cognitive Enhancement Toys for Children with Developmental Delays

Revista Gestão Inovação e Tecnologias ◽

10.47059/revistageintec.v11i4.2557 ◽

2021 ◽

Vol 11 (4) ◽

pp. 5203-5217

Author(s):

Aditi Deshpande

Keyword(s):

Design Research ◽

Developmental Delays ◽

Cognitive Enhancement ◽

Learning Difficulties ◽

Fine Motor ◽

Early Age ◽

Second Phase ◽

Special Schools ◽

Gross Motor ◽

Research Findings

Childhood is a phase where children explore, learn and enjoy. For some children, this phase is full of difficulties. These children suffer from either developmental delays or learning difficulties. According to sources, there is a iniquitousness of 1.5-2.5% of advancing delay in kids below 2 years of age in India. Development is described into five different domains - gross motor, fine motor, speech, and language, cognitive and socio-emotional. These children need help at an early age to overcome developmental delays and for cognitive enhancement. Both parents and teachers are involved with children right from an early age, and they can devise ways to help these children. Many schools adopt 'Play' as an important activity to help these children overcome developmental delays and "toys" are mostly central to the design of such activities. The paper describes the design research for designing toys for cognitive enhancement of children with developmental delays between 2 and 5 years. In the first phase of research, the interview method was used to understand what kind of learning difficulties children face and what kind of methods are employed to teach them and understand what types of toys they are using. The sample size of 20 comprising of teachers, therapists, and pediatricians from Special schools and departments for special need children in mainstream schools was used for the interview purpose. Observational studies with children (5 different classrooms with children between 3-5 years age) were carried out to understand how children learn and use the toys. At the end of the first phase, the qualitative analysis led to the shift from learning difficulties to developmental delays. In the second phase, a survey of available products in the market was conducted to understand what types of toys are used to address these children's developmental activity. Mapping the play methods employed by the teachers and therapists to the toys' activities led to finding the Design gap. The design process incorporated the research findings. The product is designed in the form of a Toy Box with a multi-utility set of toys for cognitive enhancement in children with developmental delays. The design (three sets of toys) addresses children's communication, spatial, cognitive, gross motor & fine motor skills with developmental delays. The designed product was put through user testing twice to incorporate the findings from the testing to make the design more user-friendly for the children and the teachers, therapists, and parents.

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A Case Study on Management of Rett Syndrome by Wholistic approach

International Journal of Ayurvedic Medicine ◽

10.47552/ijam.v11i2.1403 ◽

2020 ◽

Vol 11 (2) ◽

pp. 351-357

Author(s):

Renu Rathi ◽

Bharat Rathi ◽

Rakesh Khatana ◽

Suraj Sankh

Keyword(s):

Case Report ◽

Rett Syndrome ◽

Motor Development ◽

Autism Spectrum ◽

Severe Form ◽

Fine Motor ◽

Gross Motor ◽

Gross Motor Development

Background: Rett syndrome-RS comes under Autism spectrum disorder-ASD which is a neurodevelopmental syndrome. It is diagnosed by the main differentiating features of lack of interpersonal and communication skills, poor eye contact, delayed speech with pervasive abnormal body movements. Aim and Objectives: This case report is aimed at dissemination of comprehensive role of Ayurveda in management of ASD, Rett syndrome. Material and Methods: RS is the severe form of ASD. This case study of 2.3 year’s girl presented with RS and global delay, being treated with wholistic approach. It comprises Ayurveda chikitsa and other therapies like Yoga, hydrotherapy, occupational, music, physiotherapy and many more. Observation and Result: Patient has shown promising results in all developmental milestones such as gross motor, fine motor and personal social in 6 months duration except language. Different varieties of massage therapy, diet and Basti, Nasya (Panchkarma) procedures, Omkar mantra chanting, passive Yogasana were done. Conclusion: In this case report, mainly Ayurveda interventions were implemented with wholistic approach as an adjuvant, received good result in gross motor development which is very difficult in RS, hence it is a unique case. It also opened the door of wholistic approach with the hope to deliver the good result in similar disorders.

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