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4 days ago · In the current study, we have modeled the place cell population in the hippocampus with a CANN and adopted firing rate adaptation to generate theta phase shift. In fact, this model can be easily extended to the grid cell population without changing the underlying mechanism.
6 days ago · In evolutionary biology, a key innovation, also known as an adaptive breakthrough or key adaptation, is a novel phenotypic trait that allows subsequent radiation and success of a taxonomic group.
4 days ago · Collective migration is a phenomenon observed in various biological systems, where the cooperation of multiple cells leads to complex functions beyond individual capabilities, such as in immunity and development. A distinctive example is cell populations that not only ascend attractant gradient originating from targets, such as damaged tissue, but also actively modify the gradient, through ...
4 days ago · According to Waring and Wood, the combination of both culture and genes has fueled several key adaptations in humans such as reduced aggression, cooperative inclinations, collaborative abilities...
2 days ago · Gene structure and function, variation, and distribution are studied within the context of the cell, the organism (e.g. dominance ), and within the context of a population. Genetics has given rise to a number of subfields, including molecular genetics, epigenetics, and population genetics.
4 days ago · In a new study reported in this issue of Current Biology, Chong et al. use spiders, one of the most diverse groups of arachnids, to demonstrate how multi-eyed visual systems can be adapted to contrasting ecological niches by differential investment into functionally divergent eyes.
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4 days ago · Physicists' study of evolution in bacteria shows that adaptations can be undone, but rarely. Ever since Charles Darwin proposed his theory of evolution in 1859, scientists have wondered whether...
