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The cingulate cortex frequently shows gray matter loss with age as well as gender differences in structure and function, but little is known about whether individual cingulate Brodmann areas show gender-specific patterns of age-related volume decline. This study examined age-related changes, gender differences, and the interaction of age and gender in the relative volume of cingulate gray matter in...
It is well known that rhythmic lateral bending of the isolated lamprey spinal cord/notochord can entrain the central pattern generator (CPG) for locomotion. During entrainment, the CPG's frequency is equal to the bending frequency. We report here that bending can also have a slowly-decaying excitatory effect on the CPG's frequency. Experiments were performed in which the caudal end of a 30-50 segment...
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