Now referred to as long-term potentiation (LTP), this mechanism has since become the most intensively studied in modern neuroscience,and is widely believed to be the cellular basis of learning and memory, although this is yet to be proven unequivocally.
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in title, tags, annotations or urlNeurophilosophy : Experience induces global reorganization of brain circuitry - 0 views
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In the new study, Santiago Canals of the Max Planck Institute for Biological Cybernetics in Tübingen and his colleagues used the same protocol to induce LTP. But while the vast majority of researchers have investigated LTP in slices of hippocampal tissue, this study involved observing LTP in live animals.
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This new research provides the first evidence that the local modifications in synaptic connections induced by LTP lead to long-lasting changes in the activity of a diffuse network of brain regions, and even to facilitated communication between the two hemispheres. The fMRI data showed that hippocampal LTP recruits higher order association areas, as well as regions involved in emotions and others subserving different sensory modalities, all of which are known to be involved in memory formation.
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Experience induces global reorganization of brain circuitry. This new research provides the first evidence that the local modifications in synaptic connections induced by LTP lead to long-lasting changes in the activity of a diffuse network of brain regions, and even to facilitated communication between the two hemispheres.
Sapere Audere: Diferencias de genero en la percepcion de la belleza. - 0 views
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Pero al filosofo Camilo Jose Cela Conde le ha sorprendido hallar diferencias de genero en la percepcion de la belleza.
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Parece ser que los hombres utilizan el hemisferio derecho durante la contemplacion de imagenes consideradas como esteticamente placenteras mientras que las mujeres utilizan el conjunto del cerebro.
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