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Newly detailed nerve links between brain and other organs shape thoughts, memories, and feelings

Brain Maps May Reveal the Origins and Paths of Neurological Dysfunction

Brain Maps May Reveal the Origins and Paths of Neurological Dysfunction Brain Maps May Reveal the Origins and Paths of Neurological Dysfunction The Allen Institute’s Human Brain Atlas, which maps regions of the brain by gene expression, helped orient University of Cambridge researchers during an investigation of the structural changes that occur in the brains of adolescents. The researchers found that the brain regions that exhibited the greatest structural changes, as determined by magnetic resonance imaging, were correlated with the expression of schizophrenia-related genes. Brain Maps May Reveal the Origins and Paths of Neurological Dysfunction By combining the dynamism of functional neuroimaging and the resolution of molecular profiling, new technologies may bring obscure neurological mechanisms to light

Making the hard problem of consciousness easier

The history of science includes numerous challenging problems, including the “hard problem” ( 1) of consciousness: Why does an assembly of neurons no matter how complex, such as the human brain give rise to perceptions and feelings that are consciously experienced, such as the sweetness of chocolate or the tenderness of a loving caress on one s cheek? Beyond satisfying this millennia-old existential curiosity, understanding consciousness bears substantial medical and ethical implications, from evaluating whether someone is conscious after brain injury to determining whether nonhuman animals, fetuses, cell organoids, or even advanced machines ( 2) are conscious. A comprehensive and agreed-upon theory of consciousness is necessary to answer the question of which systems biologically evolved or artificially designed experience anything and to define the ethical boundaries of our actions toward them. The research projects described here will hopefully point the way and indicate whe

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