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Alejandro Melo-Florián
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With an eager ability to learn more, deeply interested in all the human things, I love issues related to history, religion, consciousness and of course, medicine. In history I love Dark ages, templars, Bizantyne empire, Roman empire. I enjoy to read , I think the reading added to the ability of being in action are the difference beteween your present state and the better being you ought to be in the future. Profoundly believer, deem God is not playing dices with creation, the world as we know has a sense and evolution and is organical.
With an eager ability to learn more, deeply interested in all the human things, I love issues related to history, religion, consciousness and of course, medicine. In history I love Dark ages, templars, Bizantyne empire, Roman empire. I enjoy to read , I think the reading added to the ability of being in action are the difference beteween your present state and the better being you ought to be in the future. Profoundly believer, deem God is not playing dices with creation, the world as we know has a sense and evolution and is organical.

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Brain Is 10 Times More Active than Previously Measured

A new UCLA study could change scientists’ understanding of how the brain works — and could lead to new approaches for treating neurological disorders and for developing computers that “think” more like humans.

The research focused on the structure and function of dendrites, which are components of neurons, the nerve cells in the brain. Neurons are large, tree-like structures made up of a body, the soma, with numerous branches called dendrites extending outward. Somas generate brief electrical pulses called “spikes” in order to connect and communicate with each other. Scientists had generally believed that the somatic spikes activate the dendrites, which passively send currents to other neurons’ somas, but this had never been directly tested before. This process is the basis for how memories are formed and stored.

Scientists have believed that this was dendrites’ primary role.

But the UCLA team discovered that dendrites are not just passive conduits. Their research showed that dendrites are electrically active in animals that are moving around freely, generating nearly 10 times more spikes than somas. The finding challenges the long-held belief that spikes in the soma are the primary way in which perception, learning and memory formation occur.

Learn more>>
http://newsroom.ucla.edu/releases/ucla-research-upend-long-held-belief-about-how-neurons-communicate

► The research "Dynamics of cortical dendritic membrane potential and spikes in freely behaving rats" is reported in the March 9 issue of the journal Science.>>
http://science.sciencemag.org/content/early/2017/03/08/science.aaj1497?rss=1

► Image explanation: UCLA scientists discovered that dendrites (shown here in green) are not just passive conduits for electrical currents between neurons.

#Neuroscience, #Neurons, #Dendrites, #Brain, #Research
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Neuroscientists explains one concept differently to a 5 year old, 13, year old, college student, neuroscience grad student, and a connectome entrepreneur

The Connectome is a comprehensive diagram of all the neural connections existing in the brain. WIRED has challenged neuroscientist Bobby Kasthuri to explain this scientific concept to 5 different people; a 5 year-old, a 13 year-old, a college student, a neuroscience grad student and a connectome entrepreneur.

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Crean un fármaco que puede ralentizar el envejecimiento

Investigadores han descubierto que el antioxidante SkQ1 retrasa el envejecimiento en ratones y se espera que varios medicamentos basados en este componente salgan en el mercado en el futuro.

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Una excelente página para aprender de neurociencias, en español: https://plus.google.com/+Asociacioneducar

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All Planets Panorama
For 360 degrees, a view along the plane of the ecliptic is captured in this remarkable panorama, with seven planets in a starry sky. The mosaic was constructed using images taken during January 24-26, from Nacpan Beach, El Nido in Palawan, Philippines. It covers the eastern horizon (left) in dark early morning hours and the western horizon in evening skies. While the ecliptic runs along the middle traced by a faint band of zodiacal light, the Milky Way also cuts at angles through the frame.

Clouds and the Moon join fleeting planet Mercury in the east. Yellowish Saturn, bright star Antares, and Jupiter lie near the ecliptic farther right. Hugging the ecliptic near center are Leo's alpha star Regulus and star cluster M44. The evening planets gathered along the ecliptic above the western horizon, are faint Uranus, ruddy Mars, brilliant Venus, and even fainter Neptune.

Image and info via APOD
https://apod.nasa.gov/apod/astropix.html
Image Credit & Copyright: Tunç Tezel (TWAN)

#nasa #space #science #universe #planets

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Pain is not just a matter of nerves
The sensation of pain occurs when neural pathways conduct excitation generated by tissue damage to the spinal cord, where the nociceptive information is extensively pre-processed. From there, the information is transmitted to the human brain, where the sensation of “pain” is finally created. This is the general belief. However, researchers from the Division of Neurophysiology at MedUni Vienna’s Center for Brain Research have now discovered that pain is not just a matter of nerves but that non-neuronal cells, the glial cells, are also involved in clinically relevant pain models and their activation is sufficient to amplify pain. The study has now been published in the leading journal “Science”.

Source:
https://www.meduniwien.ac.at/web/en/about-us/news/detailseite/2016/news-in-november-2016/pain-is-not-just-a-matter-of-nerves/

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Glial cells are the commonest type of cells in the human brain and spinal cord. They surround neurons but are distinct from them and play an important supporting role – for example, in material transport and metabolism or the fluid balance in the brain and spinal cord.

#neuroscience #glialcells #humanbrain #research #synapticplasticity

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