Journal
BRAIN AND LANGUAGE
Volume 129, Issue -, Pages 30-42Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bandl.2014.01.003
Keywords
Associations; fMRI; Picture-word interference paradigm; Part-whole relation; Functional relation; Semantic facilitation effect
Funding
- START Program, Medical School, RWTH Aachen University, Germany [690934]
- German Research Foundation (Deutsche Forschungsgemeinschaft DFG) [IRTG 1328]
- Brain Imaging Facility of the Interdisciplinary Centre for Clinical Research within the Faculty of Medicine at the RWTH Aachen University, Germany
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Cognitive neuroscience research on semantics recognizes a distinction between categorical and associated relations. However, associations can be divided further, such as into part-whole and functional relations. We investigated the neural basis of both relations using a picture-word interference task in an fMRI study. While the left supramarginal gyrus and the right inferior temporal sulcus were activated by part-whole over functional relations, the same applies to the right parahippocampal complex contrasting the functional over part-whole relations. The small effect sizes of our analyses have to be interpreted with caution. While the parahippocampal complex might reflect global scene processing across objects, the inferior temporal sulcus might be involved in the perceptual encoding of object related knowledge and the supramarginal gyrus might represent a convergence zone which implements within object related perceptual features. The current study gives a first indication that the neural bases for part-whole and functional relations seem to be distinguishable. (C) 2014 Elsevier Inc. All rights reserved.
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