Topographic Maps: Motor Axons Wait Their Turn
نویسندگان
چکیده
منابع مشابه
Hippocampal neurons wait their turn
Imaging large groups of neurons as mice learn to respond to an event after a time delay shows that the brain encodes the passage of time using ordered sequences of neural activity.
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underscored in the netrin-1 knockout mouse, whose The idea of chemoattraction as a guiding mechanism major forebrain commissures, the corpus callosum, hipfor growing axons was originally suggested by Ramon pocampal and anterior commissures, are completely y Cajal as a result of earlier work on leucocytes. Disabsent. The additional absence of pontine nuclei raises cussing the ventral navigation ...
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In This Issue In This Issue Nuclear proteins get around rotein trafficking between the cytoplasm and the nucleus has been studied extensively; but how do proteins move from one site to another within the nu-cleus? On page 615, Leung and Lamond focus on the intranuclear trafficking of the RNA-binding protein NHPX, and describe an elegant series of experiments that demonstrates the existence of m...
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We call "natural" image any photograph of an outdoor or indoor scene taken by a standard camera. We discuss the physical generation process of natural images as a combination of occlusions, transparencies and contrast changes. This description ts to the phenomeno-logical description of Gaetano Kanizsa according to which visual perception tends to remain stable with respect to these basic operat...
متن کاملRelational Topographic Maps
We introduce relational variants of neural topographic maps including the selforganizing map and neural gas, which allow clustering and visualization of data given in terms of a pairwise similarity or dissimilarity matrix. It is assumed that this matrix originates from an euclidean distance or dot product, respectively, however, the underlying embedding of points is unknown. One can equivalentl...
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ژورنال
عنوان ژورنال: Current Biology
سال: 2018
ISSN: 0960-9822
DOI: 10.1016/j.cub.2017.11.047