Neuroimaging-guided rTMS of the left inferior frontal gyrus interferes with repetition priming

Thiel A, Haupt WF, Habedank B, Winhuisen L, Herholz K, Kessler J, Markowitsch HJ, Heiss WD (2005)
NEUROIMAGE 25(3): 815-823.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
Neuroimaging studies of right-handed normal volunteers under semantic word generation tasks have consistently reported left lateralized activation of the anterior inferior frontal gyros (ifg) which decreased during task repetition. This repetition-related activation decrease has been interpreted as the neurophysiological correlate of repetition priming, a mechanism of implicit memory for initial semantic processing. We interfered with left lateralized ifg activation, as identified by 0-15-water PET activation, using repetitive transcranial magnetic stimulation (rTMS) in five right-handed male normal subjects, once using new (unprimed) nouns and once using known (primed) nouns for the procedure. All five subjects exhibited clear left lateralized activations of the triangular part of the left ifg in the PET studies. In all subjects, reaction time latencies were significantly longer during rTMS over the activation sites in the left ifg as compared to latencies off stimulation. Latencies were not affected during stimulation of the right ifg or over the vertex. These effects were observed within the group and in each individual, only if lists of primed nouns were used in the verb-generation task. In conclusion, these results demonstrate that the anterior part of the left ifg is not only involved in semantic processing, but is also essential for repetition priming on semantic tasks since successful interference with rTMS was only observed if lists of primed words were used for the generation task. (c) 2004 Elsevier Inc. All rights reserved.
Stichworte
repetition priming; rTMS; neuroimaging
Erscheinungsjahr
2005
Zeitschriftentitel
NEUROIMAGE
Band
25
Ausgabe
3
Seite(n)
815-823
ISSN
1053-8119
Page URI
https://pub.uni-bielefeld.de/record/1604411

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Thiel A, Haupt WF, Habedank B, et al. Neuroimaging-guided rTMS of the left inferior frontal gyrus interferes with repetition priming. NEUROIMAGE. 2005;25(3):815-823.
Thiel, A., Haupt, W. F., Habedank, B., Winhuisen, L., Herholz, K., Kessler, J., Markowitsch, H. J., et al. (2005). Neuroimaging-guided rTMS of the left inferior frontal gyrus interferes with repetition priming. NEUROIMAGE, 25(3), 815-823. doi:10.1016/j.neuroimage.2004.12.028
Thiel, A., Haupt, W. F., Habedank, B., Winhuisen, L., Herholz, K., Kessler, J., Markowitsch, H. J., and Heiss, W. D. (2005). Neuroimaging-guided rTMS of the left inferior frontal gyrus interferes with repetition priming. NEUROIMAGE 25, 815-823.
Thiel, A., et al., 2005. Neuroimaging-guided rTMS of the left inferior frontal gyrus interferes with repetition priming. NEUROIMAGE, 25(3), p 815-823.
A. Thiel, et al., “Neuroimaging-guided rTMS of the left inferior frontal gyrus interferes with repetition priming”, NEUROIMAGE, vol. 25, 2005, pp. 815-823.
Thiel, A., Haupt, W.F., Habedank, B., Winhuisen, L., Herholz, K., Kessler, J., Markowitsch, H.J., Heiss, W.D.: Neuroimaging-guided rTMS of the left inferior frontal gyrus interferes with repetition priming. NEUROIMAGE. 25, 815-823 (2005).
Thiel, A, Haupt, WF, Habedank, B, Winhuisen, L, Herholz, K, Kessler, J, Markowitsch, Hans J., and Heiss, WD. “Neuroimaging-guided rTMS of the left inferior frontal gyrus interferes with repetition priming”. NEUROIMAGE 25.3 (2005): 815-823.

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