Positron Emission Tomographic Studies of the Processing of Singe Words
@article{Petersen1989PositronET, title={Positron Emission Tomographic Studies of the Processing of Singe Words}, author={S. Petersen and P. Fox and M. Posner and M. Mintun and M. Raichle}, journal={Journal of Cognitive Neuroscience}, year={1989}, volume={1}, pages={153-170} }
PET images of blood flow change that were averaged across individuals were used to identify brain areas related to lexical (single-word) processing, A small number of discrete areas were activated during several task conditions including: modality-specific (auditory or visual) areas activated by passive word input, primary motor and premotor areas during speech output, and yet further areas during tasks making semantic or intentional demands.
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