Positron emission tomographic studies of the processing of single words

S. E. Petersen, P. T. Fox, M. I. Posner, M. Mintun, M. E. Raichle

Research output: Contribution to journalArticlepeer-review

951 Scopus citations


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 attentional demands.

Original languageEnglish
Pages (from-to)153-170
Number of pages18
JournalJournal of Cognitive Neuroscience
Issue number2
StatePublished - Jan 1 1989


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