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A Study of Correlations among Image Resolution, Reaction Time, and Extent of Motion in Remote Motor Interactions
2014
Advances in Human-Computer Interaction
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The results of our experiment showed that the subjects' reaction time is significantly shorter in 4K images than in HD or VGA images in motor interaction with small motion envelope. ...
To validate this hypothesis, we explored the relationships between the reaction time of subjects responding to a series of action-reaction type of games and resolution of the image used in an experiment ...
of the experiments and analysis of the measured data. ...
doi:10.1155/2014/463179
fatcat:k2u73x7f6fagpk4v3dduct2jua
Behavioral teleporting of individual ethograms onto inanimate robots: experiments on social interactions in live zebrafish
2020
iScience
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Behavioral teleporting consists of real-time transfer of the complete ethogram of a live zebrafish onto a remotely-located robotic replica. ...
Through parallel and simultaneous behavioral teleporting, we studied the interaction between two live fish swimming in remotely-located tanks: each live fish interacted with an inanimate robot that mirrored ...
Use of stepper motors and low friction rails allowed an accurate position and velocity control without feedback, guaranteeing a resolution of 0.2 mm and a smooth motion of the end effector with minimum ...
doi:10.1016/j.isci.2020.101418
pmid:32818837
pmcid:PMC7452384
fatcat:3gigl3ywwbd4tgi2fb76t5gssi
Transcranial magnetic stimulation: applications in basic neuroscience and neuropsychopharmacology
2000
International Journal of Neuropsychopharmacology
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As a brain intervention tool, TMS holds the promise of moving beyond correlative studies to help define the functional role of cortical regions in selected cognitive and affective processes. ...
We review studies in animals on the mechanisms of action of TMS, and present a summary of the applications of TMS in basic neuroscience. ...
Acknowledgements Supported in part by NIMH grant nos. MH01577 and MH35636 and Distinguished and Young Investigator Awards from the National Alliance for Research on Schizophrenia and Depression. ...
doi:10.1017/s1461145700002005
pmid:11343603
fatcat:nugld5tjxrgtva3dmqo7ombg4m
Use of the sit-to-stand task to evaluate motor function of older adults using telemetry
2016
BMC Geriatrics
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The aim of this study was to examine use of a sit-to-stand task in evaluating motor function using conventional video communication in a telemetry system to enable real-time monitoring, and evaluation ...
The knee extension maximum angular velocity (KEMAV) and the iliac elevation maximum velocity (IEMV) during standing up from a chair and the heel rise frequency were used in the motion-capture measurements ...
Junichi Hasegawa from Chukyo University for useful discussions for image processing. ...
doi:10.1186/s12877-016-0294-2
pmid:27268048
pmcid:PMC4895954
fatcat:c45f6rb3mnc2tcj3jpos7jh42a
Interface Transparency Issues in Teleoperation
2020
Applied Sciences
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Results show that misalignments between the frame of reference for vision and motor-action or the use of tools affecting the sense of body position or movement have a higher effect on mental workload and ...
Transferring skills and expertise to remote places, without being present, is a new challenge for our digitally interconnected society. ...
All authors read and agreed to the published version of the manuscript. ...
doi:10.3390/app10186232
fatcat:rulrkiwk3ffcfpd5ngcxzyiggq
Transcranial magnetic stimulation
2007
Current Biology
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The main strength of TMS in behavioural studies is to parse behaviour in time, but a limitation of combined TMS and fMRI lies in the poor temporal resolution of fMRI. ...
reaction time delays in patients, but not in controls. ...
All were family pets whose owners had consented to participate in the experiment during periodic obedience and agility training in a behavioural dog school associated with the Faculty of Veterinary Medicine ...
doi:10.1016/j.cub.2007.01.030
pmid:17371754
fatcat:misatwwlb5dm5fzvderqkzkjzu
Arm Function after Stroke: From Physiology to Recovery
2005
Seminars in neurology
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Cortical stimulation experiments in animals and functional imaging studies in humans indicate that motor learning and recovery after stroke share common brain reorganization mechanisms. ...
Spasticity occurs because of loss of cortical modulatory control on descending brain stem pathways and spinal segmental circuits but is not a major cause of motor dysfunction. ...
Recruitment of more remote regions may depend both on the extent and location of the infarct and on stroke severity. ...
doi:10.1055/s-2005-923533
pmid:16341995
fatcat:dghii3jh4nex5dsdb44abgpwoi
Grey matter volumetric changes related to recovery from hand paresis after cortical sensorimotor stroke
2014
Brain Structure and Function
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Using serial behavioural and high-resolution magnetic resonanc"/>e imaging (MRI) measurements, we tracked recovery of dexterous hand function in 28 patients with ischaemic stroke involving the primary ...
Also, there were significant voxel-wise correlations between motor performance and ipsilesional GMV contraction in the posterior parietal lobes and expansion in dorsolateral prefrontal cortex. ...
Open Access This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) ...
doi:10.1007/s00429-014-0804-y
pmid:24906703
pmcid:PMC4549385
fatcat:dlsg3ivhxvcx3okbymljj4dmyu
Accounting for Movement Increases Sensitivity in Detecting Brain Activity in Parkinson's Disease
2012
PLoS ONE
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Interestingly, kinematic modeling produced significantly higher activation in terms of both the extent and amplitude of activity. ...
We present a general approach for assessing PD patients' movement control employing simultaneously recorded fMRI time series and behavioral data of the patients' kinematics using MR-compatible gloves. ...
Specifically, gloves were used in investigations of correlates of finger movements and brain activity [38] or for qualitative control in a study in stroke patients [39] . ...
doi:10.1371/journal.pone.0036271
pmid:22563486
pmcid:PMC3341369
fatcat:6laaikkdmzde5mraompbgsga7a
Introduction to Haptics for Neurosurgeons
2013
Neurosurgery
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Robots are becoming increasingly relevant to neurosurgeons, extending a neurosurgeon's physical capabilities, improving navigation within the surgical landscape when combined with advanced imaging, and ...
We not only outline the current and future benefits of haptics but also introduce concepts in the fields of robotic technology and computer control. ...
The design uses piezoelectric motors because they can operate within an magnetic resonance imaging field, unlike electric motors, allowing the use of nearly real-time magnetic resonance images during robotic ...
doi:10.1227/neu.0b013e318273a1a3
pmid:23254803
fatcat:jncl22icvvfl3hopiug6kgjj5e
Selected Topics Relating to Functional MRI Study of the Brain
2019
The Keio Journal of Medicine
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The authors selected some interesting current topics among many in the field of functional MRI (fMRI) of the brain. ...
The topics are (I) Detectable MRI signals in response to functional activity of the brain, including the current status of neurocurrent MRI; (II) Vascular-dependent and vascular-independent MRI signals ...
Conflicts of Interest The authors have no conflicts of interest related to this report. ...
doi:10.2302/kjm.2018-0011-oa
pmid:30971631
fatcat:4m7jaghm4jgs7o7gqzfp6uzgd4
Functional neural correlates of reduced physiological falls risk
2011
Behavioral and Brain Functions
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Functional MRI data were acquired while participants performed a modified Eriksen Flanker Task -a task of selective attention and conflict resolution. Brain volumes were obtained using MRI. ...
Methods: We performed a secondary analysis of 73 community-dwelling senior women aged 65 to 75 years old who participated in a 12-month randomized controlled trial of resistance training. ...
LSN is a MSFHR Senior Graduate trainee and a NSERC Doctoral trainee. ...
doi:10.1186/1744-9081-7-37
pmid:21846395
pmcid:PMC3178476
fatcat:ho2kj2huczcdldwhn2wk4j3ht4
Eye movement of perceivers during audiovisualspeech perception
1998
Perception & Psychophysics
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However, even at the highest noise levels and largest image sizes, subjects gazed at the mouth only about half the time. ...
Nosegment-levelcorrelations were found between perceiver eye motions and phoneme identity of the stimuli. ...
A correlation with the current segment could imply either prediction or pretuning of the oculomotor system to reduce reaction time (for review, see Carpenter, 1988) or a combination ofpredictive and ...
doi:10.3758/bf03211929
pmid:9718953
fatcat:qf3nyalwrvegpai2t26eojkvvu
Acupuncture De Qi in Stable Somatosensory Stroke Patients: Relations with Effective Brain Network for Motor Recovery
2013
Evidence-Based Complementary and Alternative Medicine
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Moreover, centrality of some motor-related regions correlated with clinical variables and thus served as a predictor of stroke recovery. ...
Acupuncture has been widely used for treating stroke and De Qi may play an important role. In spite of its acceptance, the neural mechanism underlying acupuncture for motor recovery is still elusive. ...
The images were first slice-timed and then realigned to correct for head motions (none of the subjects had head movements exceeding 1 mm on any axis and head rotation greater than one degree). ...
doi:10.1155/2013/197238
pmid:23818921
pmcid:PMC3684124
fatcat:5zm3klmjwjbepngfocfm3qk32i
Uncovering a Context-Specific Connectional Fingerprint of Human Dorsal Premotor Cortex
2012
Journal of Neuroscience
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Psychophysiological interaction analysis revealed a context-specific increase in functional coupling between the stimulated left PMd and remote right-hemispheric and mesial motor regions that was only ...
Primate electrophysiological and lesion studies indicate a prominent role of the left dorsal premotor cortex (PMd) in action selection based on learned sensorimotor associations. ...
In a preparatory session, we acquired a high-resolution structural image and defined the site for TMS of the left PMd using neuronavigation. ...
doi:10.1523/jneurosci.2757-11.2012
pmid:22623669
pmcid:PMC6622303
fatcat:5rn5ut2hwzhtvp3b7xkmfvrvq4
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