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Functional magnetic resonance imaging of category-specific cortical activation: Evidence for semantic maps.

MPG-Autoren
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Kammer,  T
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Former Department Comparative Neurobiology, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

Externe Ressourcen

https://www.sciencedirect.com/science/article/pii/S0926641097000207
(Verlagsversion)

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Zitation

Spitzer, M., Kischka, U., Gückel, F., Bellemann, M., Kammer, T., Seyyedi, S., et al. (1998). Functional magnetic resonance imaging of category-specific cortical activation: Evidence for semantic maps. Cognitive Brain Research, 6(4), 309-319. doi:10.1016/S0926-6410(97)00020-7.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-0013-E915-D
Zusammenfassung
Functional magnetic resonance imaging (fMRI) was used to examine the pattern of cortical activity during a picture naming task. Subjects (n =
12) had to covertly name either animals or furniture items. Functional scanning was performed using a conventional 1.5-Tesla whole-body MRI system.
Images obtained during naming the two categories were compared using a non-parametric test. The study revealed evidence for domain- specific lexical
regions in left middle, right middle and inferior frontal areas, as well as in superior and middle temporal areas. The results corroborate neuropsychological
data and demonstrate directly and non-invasively in human volunteers that semantic representations in frontal and temporal areas are, to some degree,
localized and possibly implemented as multiple maps. A completely distributed storage of semantic information is rendered unlikely. (C) 1998 Elsevier
Science B.V.