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Stimulus properties matter more than perspective: an fMRI study of mental imagery and silent reading of action phrases.

Authors
  • Tomasino, Barbara
  • Werner, Cornelius J
  • Weiss, Peter H
  • Fink, Gereon R
Type
Published Article
Journal
NeuroImage
Publication Date
Jan 01, 2007
Volume
36 Suppl 2
Identifiers
PMID: 17499160
Source
Medline
License
Unknown

Abstract

1st vs. 3rd person). This allowed us to investigate the influence of the secondary tasks (letter detection versus explicit motor imagery) on the neural activity in M1 during the processing of motor and non-motor phrases. We found differential left M1 activity in the task by stimulus interaction with enhanced M1 activation for imagery in the presence of motor phrases (vs. non-motor phrases) compared to letter detection of motor vs. non-motor phrases. This M1-activity was not differentially modulated by perspective. Therefore, M1 activation previously found in experiments of silent reading of action words may have resulted from the subjects' strategy to mentally simulate the movements during the processing of action words.

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