Now showing 1 - 6 of 6
  • 2014Journal Article
    [["dc.bibliographiccitation.journal","Frontiers in Human Neuroscience"],["dc.bibliographiccitation.volume","8"],["dc.contributor.author","Schweisfurth, Meike A."],["dc.contributor.author","Frahm, Jens"],["dc.contributor.author","Schweizer, Renate"],["dc.date.accessioned","2022-10-06T13:26:45Z"],["dc.date.available","2022-10-06T13:26:45Z"],["dc.date.issued","2014"],["dc.identifier.doi","10.3389/fnhum.2014.00658"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/115159"],["dc.notes.intern","DOI-Import GROB-602"],["dc.relation.eissn","1662-5161"],["dc.relation.orgunit","Deutsches Primatenzentrum"],["dc.title","Individual fMRI maps of all phalanges and digit bases of all fingers in human primary somatosensory cortex"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dspace.entity.type","Publication"]]
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  • 2011Journal Article
    [["dc.bibliographiccitation.firstpage","2138"],["dc.bibliographiccitation.issue","4"],["dc.bibliographiccitation.journal","NeuroImage"],["dc.bibliographiccitation.lastpage","2143"],["dc.bibliographiccitation.volume","56"],["dc.contributor.author","Schweisfurth, Meike A."],["dc.contributor.author","Schweizer, Renate"],["dc.contributor.author","Frahm, Jens"],["dc.date.accessioned","2022-10-06T13:33:18Z"],["dc.date.available","2022-10-06T13:33:18Z"],["dc.date.issued","2011"],["dc.identifier.doi","10.1016/j.neuroimage.2011.03.038"],["dc.identifier.pii","S1053811911003168"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/115600"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-602"],["dc.relation.issn","1053-8119"],["dc.relation.orgunit","Deutsches Primatenzentrum"],["dc.title","Functional MRI indicates consistent intra-digit topographic maps in the little but not the index finger within the human primary somatosensory cortex"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dspace.entity.type","Publication"]]
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  • 2020Journal Article
    [["dc.bibliographiccitation.firstpage","498"],["dc.bibliographiccitation.issue","2"],["dc.bibliographiccitation.journal","IEEE Transactions on Neural Systems and Rehabilitation Engineering"],["dc.bibliographiccitation.lastpage","507"],["dc.bibliographiccitation.volume","28"],["dc.contributor.author","Markovic, Marko"],["dc.contributor.author","Varel, Marc"],["dc.contributor.author","Schweisfurth, Meike A."],["dc.contributor.author","Schilling, Arndt F."],["dc.contributor.author","Dosen, Strahinja"],["dc.date.accessioned","2021-04-14T08:27:31Z"],["dc.date.available","2021-04-14T08:27:31Z"],["dc.date.issued","2020"],["dc.identifier.doi","10.1109/TNSRE.2019.2959714"],["dc.identifier.eissn","1558-0210"],["dc.identifier.issn","1534-4320"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/82316"],["dc.notes.intern","DOI Import GROB-399"],["dc.relation.eissn","1558-0210"],["dc.relation.issn","1534-4320"],["dc.title","Closed-Loop Multi-Amplitude Control for Robust and Dexterous Performance of Myoelectric Prosthesis"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]
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  • 2018Journal Article
    [["dc.bibliographiccitation.firstpage","eaat3630"],["dc.bibliographiccitation.issue","19"],["dc.bibliographiccitation.journal","Science Robotics"],["dc.bibliographiccitation.volume","3"],["dc.contributor.author","Hahne, Janne M."],["dc.contributor.author","Schweisfurth, Meike A."],["dc.contributor.author","Koppe, Mario"],["dc.contributor.author","Farina, Dario"],["dc.date.accessioned","2020-12-10T18:36:46Z"],["dc.date.available","2020-12-10T18:36:46Z"],["dc.date.issued","2018"],["dc.identifier.doi","10.1126/scirobotics.aat3630"],["dc.identifier.eissn","2470-9476"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/76731"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-354"],["dc.title","Simultaneous control of multiple functions of bionic hand prostheses: Performance and robustness in end users"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]
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  • 2015Journal Article
    [["dc.bibliographiccitation.firstpage","2155"],["dc.bibliographiccitation.issue","5"],["dc.bibliographiccitation.journal","European Journal of Neuroscience"],["dc.bibliographiccitation.lastpage","2163"],["dc.bibliographiccitation.volume","42"],["dc.contributor.author","Schweisfurth, Meike A."],["dc.contributor.author","Frahm, Jens"],["dc.contributor.author","Schweizer, Renate"],["dc.date.accessioned","2018-11-07T09:52:37Z"],["dc.date.available","2018-11-07T09:52:37Z"],["dc.date.issued","2015"],["dc.description.abstract","Individual intra-digit somatotopy of all phalanges of the middle and little finger of the right and left hand was studied by functional magnetic resonance imaging in 12 healthy subjects. Phalanges were tactilely stimulated and activation in BA3b of the human primary somatosensory cortex could be observed for each individual phalanx. Activation peaks were further analysed using the Direction/Order (DiOr) method, which identifies somatotopy, if a significantly high number of subjects exhibit ordered distal-to-proximal phalanx representions along a similar direction. Based on DiOr, ordered and similar-direction-aligned intra-digit maps across subjects were found at the left hand for the little and middle finger and at the right hand for the little finger. In these digits the proximal phalanges were represented more medially along the course of the central sulcus than the distal phalanges. This is contrasted by the intra-digit maps for the middle finger of the right hand, which showed larger inter-subject variations of phalanx alignments without a similar within-digit representation across subjects. As all subjects were right-handed and as the middle finger of the dominant hand probably plays a more individual role in everyday tactile performance than the little finger of the right hand and all left-hand digits, the observed variation might reflect a functional somatotopy based on individual use of that particular digit at the dominant hand."],["dc.identifier.doi","10.1111/ejn.12978"],["dc.identifier.isi","000360854900005"],["dc.identifier.pmid","26061413"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/36168"],["dc.notes.status","zu prĂĽfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-blackwell"],["dc.relation.issn","1460-9568"],["dc.relation.issn","0953-816X"],["dc.title","Individual left-hand and right-hand intra-digit representations in human primary somatosensory cortex"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]
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  • 2016Journal Article
    [["dc.bibliographiccitation.artnumber","056010"],["dc.bibliographiccitation.issue","5"],["dc.bibliographiccitation.journal","Journal of Neural Engineering"],["dc.bibliographiccitation.volume","13"],["dc.contributor.author","Schweisfurth, Meike A."],["dc.contributor.author","Markovic, Marko"],["dc.contributor.author","Dosen, Strahinja"],["dc.contributor.author","Teich, Florian"],["dc.contributor.author","Graimann, Bernhard"],["dc.contributor.author","Farina, Dario"],["dc.date.accessioned","2018-11-07T10:08:08Z"],["dc.date.available","2018-11-07T10:08:08Z"],["dc.date.issued","2016"],["dc.description.abstract","Objective. A drawback of active prostheses is that they detach the subject from the produced forces, thereby preventing direct mechanical feedback. This can be compensated by providing somatosensory feedback to the user through mechanical or electrical stimulation, which in turn may improve the utility, sense of embodiment, and thereby increase the acceptance rate. Approach. In this study, we compared a novel approach to closing the loop, namely EMG feedback (emgFB), to classic force feedback (forceFB), using electrotactile interface in a realistic task setup. Eleven intact-bodied subjects and one transradial amputee performed a routine grasping task while receiving emgFB or forceFB. The two feedback types were delivered through the same electrotactile interface, using a mixed spatial/frequency coding to transmit 8 discrete levels of the feedback variable. In emgFB, the stimulation transmitted the amplitude of the processed myoelectric signal generated by the subject (prosthesis input), and in forceFB the generated grasping force (prosthesis output). The task comprised 150 trials of routine grasping at six forces, randomly presented in blocks of five trials (same force). Interquartile range and changes in the absolute error (AE) distribution (magnitude and dispersion) with respect to the target level were used to assess precision and overall performance, respectively. Main results. Relative to forceFB, emgFB significantly improved the precision of myoelectric commands (min/max of the significant levels) for 23%/36% as well as the precision of force control for 12%/32%, in intact-bodied subjects. Also, the magnitude and dispersion of the AE distribution were reduced. The results were similar in the amputee, showing considerable improvements. Significance. Using emgFB, the subjects therefore decreased the uncertainty of the forward pathway. Since there is a correspondence between the EMG and force, where the former anticipates the latter, the emgFB allowed for predictive control, as the subjects used the feedback to adjust the desired force even before the prosthesis contacted the object. In conclusion, the online emgFB was superior to the classic forceFB in realistic conditions that included electrotactile stimulation, limited feedback resolution (8 levels), cognitive processing delay, and time constraints (fast grasping)."],["dc.description.sponsorship","European Commission under the MYOSENS [FP7-PEOPLE-2011-IAPP-286208]"],["dc.identifier.doi","10.1088/1741-2560/13/5/056010"],["dc.identifier.isi","000384023800003"],["dc.identifier.pmid","27547992"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/39414"],["dc.notes.status","zu prĂĽfen"],["dc.notes.submitter","Najko"],["dc.publisher","Iop Publishing Ltd"],["dc.relation.issn","1741-2552"],["dc.relation.issn","1741-2560"],["dc.title","Electrotactile EMG feedback improves the control of prosthesis grasping force"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]
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