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Full-Text Articles in Medicine and Health Sciences

Somatotopic Representation Of Action Words In Human Motor And Premotor Cortex, Olaf Hauk, Ingrid Johnsrude, Friedemann Pulvermüller Jan 2004

Somatotopic Representation Of Action Words In Human Motor And Premotor Cortex, Olaf Hauk, Ingrid Johnsrude, Friedemann Pulvermüller

Brain and Mind Institute Researchers' Publications

Since the early days of research into language and the brain, word meaning was assumed to be processed in specific brain regions, which most modern neuroscientists localize to the left temporal lobe. Here we use event-related fMRI to show that action words referring to face, arm, or leg actions (e.g., to lick, pick, or kick), when presented in a passive reading task, differentially activated areas along the motor strip that either were directly adjacent to or overlapped with areas activated by actual movement of the tongue, fingers, or feet. These results demonstrate that the referential meaning of action words has …


Where Do Clonal Coral Larvae Go? Adult Genotypic Diversity Conflicts With Reproductive Effort In The Brooding Coral Pocillopora Damicornis, David J. Ayre, Karen Miller Jan 2004

Where Do Clonal Coral Larvae Go? Adult Genotypic Diversity Conflicts With Reproductive Effort In The Brooding Coral Pocillopora Damicornis, David J. Ayre, Karen Miller

Faculty of Science, Medicine and Health - Papers: part A

Earlier studies of the coral Pocillopora damicornis provide a conflicting picture of its use of sexual and asexual reproduction for population maintenance. In Western Australia, colonies are asexually viviparous, and populations appear to be maintained by localised asexual recruitment but founded by genotypically diverse colonists. However, on Australia¹s Great Barrier Reef (GBR), as in many other regions, populations display little or no evidence of any asexual recruitment. We used allozyme electrophoresis to test for asexual input into local populations of P. damicornis at One Tree Island on the southern GBR. Contrary to expectation we found that all of 136 planulae …