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According to researchers, the tufted tit can use a neural mechanism similar to that of mammals to process spatial memory; the tufted tit is a small songbird with super memory
Storage animals like tufted tits have excellent memories, they can accurately remember the location of thousands of hidden food places in the environment
Although vertebrates with spatial memory are very common, the anatomical structure of the hippocampal brain regions related to this memory differs among vertebrates of different branches
Hannah Payne and colleagues used electrophysiological recordings of free-moving birds to analyze neuronal activity in the hippocampal homologous organs of tufted tits and zebra finches; these two birds have or do not have feeding behavior, respectively
However, compared with tufted tits, non-storage zebra finch hippocampus has weaker and less space-related neural activities
These findings suggest that the basic neural mechanisms of spatial memory in birds and mammals are similar, and they are conserved in a variety of very different hippocampal brain circuits
Original title:
Neural representations of space in the hippocampus of a food-caching bird