Brain

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brain : the portion of the vertebrate central nervous system enclosed in the skull and continuous with the spinal cord through the foramen magnum that is composed of neurons and supporting and nutritive structures (as glia) and that integrates sensory information from inside and outside the body in controlling autonomic function (as heartbeat and respiration), in coordinating and directing correlated motor responses, and in the process of learning — Webster

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Brain The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. The brain is located in the head, usually close to the sensory organs for senses such as vision. The brain is the most complex organ in a vertebrate’s body. In a human, the cerebral cortex contains approximately 15–33 billion neurons, each connected by synapses to several thousand other neurons. These neurons communicate with one another by means of long protoplasmic fibers called axons, which carry trains of signal pulses called action potentials to distant parts of the brain or body targeting specific recipient cells. — Wikipedia

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Scientific American: Mind & Brain Science news and technology updates from Scientific American


Nature Reviews Neuroscience - Issue - nature.com science feeds Nature Reviews Neuroscience is the leading review journal in the neurosciences. It publishes articles that review recent progress in brain and nervous system research. Topics range from molecular and cellular aspects of neuronal development and function to behavior, cognition and disorders of the nervous system. By commissioning the best authors to write on the timeliest issues, and following a rigorous peer-review process, the journal provides an unparalleled source of information and opinion for neuroscientists in academia, clinical research and industry. One of the unique features of Nature Reviews Neuroscience is its extraordinary breadth and depth of coverage. This very broad scope – from molecules to mind – captures the essence of modern neuroscience, and allows the journal to attract readers from all areas of this ever-expanding discipline.

  • The mechanosensory neurons of touch and their...
    by Annie Handler on July 26, 2021 at 12:00 am

    Nature Reviews Neuroscience, Published online: 26 July 2021; doi:10.1038/s41583-021-00489-xMammalian skin contains an array of specialized structures that transform mechanical forces into electrical signals. Handler and Ginty provide a comprehensive overview of the features of the skin’s mechanosensory end organs and the neurons with which they associate and consider how their diverse properties contribute to the sense of touch.

  • Microglia prune inhibitory synapses, too
    by Sian Lewis on July 26, 2021 at 12:00 am

    Nature Reviews Neuroscience, Published online: 26 July 2021; doi:10.1038/s41583-021-00504-1As has been shown for developing excitatory synapses, microglia regulate connectivity in developing inhibitory circuits via a complement- and GABAB1 receptor-dependent mechanism.

  • Publisher Correction: Navigating for reward
    by Marielena Sosa on July 23, 2021 at 12:00 am

    Nature Reviews Neuroscience, Published online: 23 July 2021; doi:10.1038/s41583-021-00505-0Publisher Correction: Navigating for reward

  • Brain vulnerability and viability after ischaemia
    by Stefano G. Daniele on July 21, 2021 at 12:00 am

    Nature Reviews Neuroscience, Published online: 21 July 2021; doi:10.1038/s41583-021-00488-yThe brain is particularly susceptible to injury after ischaemia; however, emerging evidence suggests that, under certain conditions, it may show more resilience. Daniele et al. review the effects of ischaemia on the brain and efforts to study and protect the post-ischaemic brain.

  • Reply to: Managing the high: developing...
    by Johannes G. Ramaekers on July 20, 2021 at 12:00 am

    Nature Reviews Neuroscience, Published online: 20 July 2021; doi:10.1038/s41583-021-00501-4Reply to: Managing the high: developing legislation and detection methods for cannabis impairment