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  Evaluation of a pneumatically driven tactile stimulator device for vision substitution during fMRI-studies

Zappe, A., Maucher, T., Meier, K., & Scheiber, C. (2004). Evaluation of a pneumatically driven tactile stimulator device for vision substitution during fMRI-studies. Magnetic Resonance in Medicine, 51(4), 828-834. doi:10.1002/mrm.20021.

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 Urheber:
Zappe, AC1, Autor           
Maucher , T, Autor
Meier, K, Autor
Scheiber, C, Autor
Affiliations:
1External Organizations, ou_persistent22              

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 Zusammenfassung: Functional magnetic resonance imaging (fMRI) experiments on tactile perception are difficult to perform because the special
characteristics of an MRI environment restrict the experimental
setup. Although recently developed actuators have made it
possible to apply vibrotactile stimuli to the skin during an fMRI
experiment, the projection of spatially extended patterns is still
precluded. In order to examine the processing of tactile perception,
a new pneumatically-driven tactile device (PTD) has
been built. This device is capable of stimulating the skin, using
arbitrary time sequences that consist of 2D tactile images up to
64 pixels. It is shown how the device is implemented in a 2 T
fMRI environment, and show that it operates without generating
artifacts. Dedicated software allows the generation of complex
paradigms and provides a user-friendly interface to other brain
mapping systems, as well as automated operation. This paper
describes the PTD elucidates its features, and demonstrate its
reliability by reporting results from an fMRI study based on an
event-related protocol involving six subjects.

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 Datum: 2004-04
 Publikationsstatus: Erschienen
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 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: BibTex Citekey: 2622
DOI: 10.1002/mrm.20021
 Art des Abschluß: -

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Titel: Magnetic Resonance in Medicine
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: New York : Wiley-Liss
Seiten: - Band / Heft: 51 (4) Artikelnummer: - Start- / Endseite: 828 - 834 Identifikator: ISSN: 0740-3194
CoNE: https://pure.mpg.de/cone/journals/resource/954925538149