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.

  • Rules of invasion
    by Katharine H. Wrighton on August 14, 2019 at 12:00 am

    Nature Reviews Neuroscience, Published online: 14 August 2019; doi:10.1038/s41583-019-0215-4In zebrafish, pioneer axons of the dorsal root ganglia require the release of synaptic-like vesicles to enter the spinal cord, suggesting that synaptic vesicles have a role in circuit formation ahead of synaptogenesis.

  • Neuropeptide regulation of motivation
    by Grant Otto on August 7, 2019 at 12:00 am

    Nature Reviews Neuroscience, Published online: 07 August 2019; doi:10.1038/s41583-019-0214-5A new study reports that a nociceptin circuit limits motivation during reward-seeking behaviour in mice.

  • Crosstalk in Alzheimer disease
    by Isobel Leake on August 6, 2019 at 12:00 am

    Nature Reviews Neuroscience, Published online: 06 August 2019; doi:10.1038/s41583-019-0209-2Crosstalk in Alzheimer diseas

  • Putting the brakes on feeding
    by Isobel Leake on August 6, 2019 at 12:00 am

    Nature Reviews Neuroscience, Published online: 06 August 2019; doi:10.1038/s41583-019-0208-3Putting the brakes on feeding

  • Taking a closer look at PD pathology
    by Darran Yates on August 6, 2019 at 12:00 am

    Nature Reviews Neuroscience, Published online: 06 August 2019; doi:10.1038/s41583-019-0207-4A new study reports that Lewy pathology in brain tissue from individuals with Parkinson disease largely comprises membranes and organelles.