Case mixing and the right parietal cortex : evidence from rTMS

We investigated the necessary role of the right parietal lobe in visual word recognition using transcranial magnetic stimulation (TMS). TMS was applied to the right posterior parietal lobe and to a control area as participants read aloud words presented either in lower case or in mIxEd-cAsE. The wor...

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Bibliographic Details
Published in:Experimental brain research 2006, Vol.168 (1-2), p.265-271
Main Authors: BRAET, W, HUMPHREYS, G. W
Format: Article
Language:English
Subjects:
Adult
Anatomical correlates of behavior
Attention - physiology
Behavioral psychophysiology
Biological and medical sciences
Female
Functional Laterality
Fundamental and applied biological sciences. Psychology
Humans
Male
Medical sciences
Middle Aged
Nervous system involvement in other diseases. Miscellaneous
Neurology
Parietal Lobe - physiology
Parietal Lobe - radiation effects
Pattern Recognition, Visual - physiology
Photic Stimulation - methods
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Reaction Time - physiology
Reaction Time - radiation effects
Transcranial Magnetic Stimulation
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Summary:We investigated the necessary role of the right parietal lobe in visual word recognition using transcranial magnetic stimulation (TMS). TMS was applied to the right posterior parietal lobe and to a control area as participants read aloud words presented either in lower case or in mIxEd-cAsE. The words were presented either with unlimited duration and high contrast (Experiment 1), or with brief presentation and low-contrast (Experiments 2 and 3). In all three experiments, TMS over the parietal area disrupted reading, and in Experiments 2 and 3 this effect was most pronounced for mIxEd-cAsE words. This suggests that the right parietal lobe mediates the recognition of words in unfamiliar formats.
ISSN:0014-4819
1432-1106
DOI:10.1007/s00221-005-0085-z