But after four years, they found the taxi drivers' brain structure had altered, showing more grey matter in part of the hippocampus.
In addition, over the past few decades women's increased labour force participation, their access to higher education, and an evolving family structure have altered social roles considerably.
Family structures have altered, with shifts in the patterns of interdependence, and the elderly face many challenges in the transition because of changes in social structure and value systems, family structures, and living arrangements (8).
AFP has a single N-linked oligosaccharide with a biantennary complex-type structure which has altered terminal sialylation and core fucosylation during cancer.
As the flagellum matures (right), the axoneme is organized all the way to the tip and the basal plate has altered structure from the two rings to an electron-dense cloud.
But the structure of the Hong Kong economy has altered over the past few years.
In addition, it is possible that previous surgery has altered the structure of the underlying pituitary tumour, and any remnant/recurrence of this leads to a different ACTH secretion pattern.
A major redirection of EC agricultural policy since 2003 has altered the incentive structure for how land and livestock are managed, as farmers no longer receive subsidy payments per head of animal owned (which prioritised farm output), but can now receive payments according to the category of the land they use and the husbandry methods they practice.
The woman possesses an uncanny aura, as if all that time spent under the ocean has altered her chemical structure.
The above evidence strongly suggests that human-aided dispersal has altered the phylogeographic structure of the tench.
