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Hippocampus and neurons of mouse with the neurodegenerative disease Niemann-Pick type C1. Credit: I. Williams, NICHD
Todas mis neuronas en perfecta alineación, organizadas como un inmenso bosque de baobabs en cuyas ramas se guardan vidas, la mía y de la de aquellos que he conocido. En mi cerebro tratan de crecer las ideas como pequeñas plantas, luchando por obtener un poco de luz.
A la entrada un enorme cartel reza "reserva protegida". Nadie puede entrar en el parque natural que yace en el interior de mi cabeza, nadie excepto yo.
¿Qué hacen, entonces, esos furtivos? ¿Están prendiendo fuego? ¿Serán pirómanos que aprovechan estos días de viento e inclemencias?
Poco importa ya. El fuego se encuentra tan extendido que sólo puedo gritar. Me arden las neuronas, me arden las ideas. A mi mente sólo acude la imagen de unas llamaradas incontroladas. ¿Será esto el infierno? ¿Habré llegado por fin?
Tres, dos, uno... ¡despierta!
Congratulations to the Winner: GRAPHIKER - Steven: www.flickr.com/photos/53225371@N05/, for correctly guessing that this is a shot of cottonwood seeds.
Thanks Everyone for playing! I've had a lot of fun reading your super creative guesses. Feel free to download this High Res (4000px w.) image, which I have licensed in Attribution, Noncommercial, No Derivative category.
More Edinger-Westphal neurons in culture. Stained for Tubulin (green) and Synapsin (red). Of course, colocalization makes yellow. Imaged with a Zeiss Axioskop 2 FS Plus equipped with a Zeiss Axiocam HRm. 100x total magnification.
We usually name “our world” to the one that directly perceive with our senses. But as Paul Éluard phrased…. there is another world. Physical, psychic, and perhaps unknown ones are waiting for discovery. All the living beings have inside a cellular world to which we can only access by means of the microscope. It is a different but wonderful world.
Purkinje neuron. Human cerebellum. H.E.
Picture captured with a Nikon Eclipse 50i photomicroscope at 400X.
Solemos llamar "nuestro mundo" al que directamente percibimos con nuestros sentidos. Pero como dijo Paul Éluard...hay otros. Mundos físicos, psiquicos y otros tal vez desconocidos que esperan para ser descubiertos. Todos los seres vivos tenemos dentro un mundo celular al que solo podemos acceder mediante el microscopio. Es un mundo diferente y maravilloso.
Neurona de Purkinje. Cerebelo humano. H.E.
Imagen obtenida con un fotomicroscopio Nikon Eclipse 50i a 400X.
Neuróptero( (Neuroptera, del griego neûron, "nervio" y ptéron "ala"; "alas con nervios) de 25 mm de longitud y 52 de envergadura alar, por su forma y conducta recuerda a una mariposa; sin embargo, sus alas, que no llevan escamas, son transparentes, amarillas en el primer tercio externo y pardooscuras en la cara interior. Tiene el cuerpo lleno de pelos negros.
Esta en peligro de extinción en algunos países y es muy raro de ver.
Yo pude ver 5 ejemplares y costó bastante hacerles algo decoroso, por lo que me siento privilegiado.
Gracias por los comentarios.
mirror neurons make u nice
starburst filtered self w black frame i-type 600 film shot on polaroid now+
Uncharted territory: Ivan Soltesz, UC Irvine Chancellor's Professor and chair of anatomy & neurobiology, has helped shed light on the inner workings of the human brain… "The brain is the last great frontier," says Soltesz, UC Irvine Chancellor's Professor and chair of anatomy & neurobiology. "It's the most complex organism in the universe — endlessly challenging and interesting to study." In his 2005 book, Diversity in the Neuronal Machine, he describes the brain's neural landscape as a vast fecund forest, with neurons linking to "distal branches that form a wide canopy, just like the giant trees in the rain forests of Costa Rica." [from www.uci.edu/features/2012/01/feature_soltesz_120130.php ]
and now for something completely different... I've been watching classic episodes of Dr. Who lately so this is somewhat inspired by hours of watching that show.
Canon 5D Mk III with Canon EF 24mm F1.4L Mk II lens. 1/80th sec at F4, ISO 1600.
"Neuron" by Roxy Paine
Awesome sculpture at Meijer Gardens
www.meijergardens.org/explore/neuron/
Rokinon 8mm f2.8
I have been talking with a fascinating scientist who’s working on genetically-modified neurons to innervate the brain from a silicon substrate. The goal — connect prosthetics to the cranial nerves and eventually, replace all sensory input to the brain with a computer interface. Well… how complicated would this be? While the human brain has 86 billion neurons, he estimates that there are only 4 million cranial nerves to connect, and 3 million of them come from the retina (the color-coded photoreceptors).
Who might volunteer to have their head and spinal cord cut out of their body and their skull removed, to be reborn as a cyborg, fed by an ECMO machine? Many terminally ill cancer patients have not suffered a neurodegenerative disease. Their body will die while the mind is still ripe.
I do not believe we will be able to upload our consciousness to a silicon substate, as Ray Kurzweil has long predicted, at least not any time earlier than we will grow an AI that exceeds human intelligence. The brain in a vat is very different. A prosthetic hijacking of the interface to the sensory cortex is a much simpler task. The inscrutable complexity of the cortex remains just that. We just need to couple to the extant external interface to the body.
He makes it sound… imminent. While the sensory cortex is notable for its neuroplasticity, (the ability to remodel sensory input), can it be this dramatic — from body to borg?
I thought of the adage from Hunter S. Thompson that arose while watching a boxing match on an ether binger: “Kill the body and the head will die.”
Thanks to Genevieve being an MIT alumnus, I can get behind the paywall of the MIT Technology Review October issue on the Mind. Professor Lisa Feldman of Northeastern postulates a problem: “Your brain did not evolve to think, feel, and see. It evolved to regulate your body. Your thoughts, feelings, senses, and other mental capacities are consequences of that regulation. Since allostasis [regulation of body systems] is fundamental to everything you do and sense, consider what would happen if you didn’t have a body. A brain born in a vat would have no bodily systems to regulate. It would have no bodily sensations to make sense of. It could not construct value or affect. A disembodied brain would therefore not have a mind. I’m not saying that a mind requires an actual flesh-and-blood body, but I am suggesting that it requires something like a body, full of systems to coordinate efficiently in an ever-changing world. Your body is part of your mind—not in some gauzy, metaphorical way, but in a very real brain-wiring way.
Your thoughts and dreams, your emotions, even your experience right now as you read these words, are consequences of a central mission to keep you alive, regulating your body by constructing ad hoc categories. Most likely, you don’t experience your mind in this way, but under the hood (inside the skull), that’s what is happening.”
She elaborates, as you might assume: “When your brain remembers, it re-creates bits and pieces of the past and seamlessly combines them. We call this process ‘remembering,’ but it’s really assembling. In fact, your brain may construct the same memory (or, more accurately, what you experience as the same memory) in different ways each time. I’m not speaking here of the conscious experience of remembering something, like recalling your best friend’s face or yesterday’s dinner. I’m speaking of the automatic, unconscious process of looking at an object or a word and instantly knowing what it is. Every act of recognition is a construction. You don’t see with your eyes; you see with your brain. Likewise for all your other senses. Just as your memory is a construction, so are your senses. Everything you see, hear, smell, taste, and feel is the result of some combination of stuff outside and inside your head. Affect is just a quick summary of your brain’s beliefs about the metabolic state of your body, like a barometer reading of sorts.
Brains evolved to control bodies. Over evolutionary time, many animals evolved larger bodies with complex internal systems that needed coordination and control. A brain is sort of like a command center to integrate and coordinate those systems. It shuttles necessary resources like water, salt, glucose, and oxygen where and when they are needed. This regulation is called allostasis; it involves anticipating the body’s needs and attempting to meet them before they arise. If your brain does its job well, then through allostasis, the systems of your body get what they need most of the time.
To accomplish this critical metabolic balancing act, your brain maintains a model of your body in the world. The model includes conscious stuff, like what you see, think, and feel; actions you perform without thought, like walking; and unconscious stuff outside your awareness. For example, your brain models your body temperature. This model governs your awareness of being warm or cold, automatic acts like wandering into the shade, and unconscious processes like changing your blood flow and opening your pores. In every moment, your brain guesses (on the basis of past experience and sense data) what might happen next inside and outside your body, moves resources around, launches your actions, creates your sensations, and updates its model. This model is your mind, and allostasis is at its core.”
Anil Seth from the University of Sussex phrases it more strongly in Our brains exist in a state of controlled hallucination: “The brain is always constructing models of the world to explain and predict incoming information; it updates these models when prediction and the experience we get from our sensory inputs diverge.
The entirety of perceptual experience is a neuronal fantasy that remains yoked to the world through a continuous making and remaking of perceptual best guesses, of controlled hallucinations. You could even say that we’re all hallucinating all the time. It’s just that when we agree about our hallucinations, that’s what we call reality.”
P.S. photo above is a movie prop from Robocop 2
Reminds me of neuron synapse connections. Looking up at the branches of a pine tree. Happy Sliders Sunday!
How Music Affects the Brain bebrainfit.com/music-brain/
The Chemistry of Music an the Brain prezi.com/k0jlkpkcqnkt/the-chemistry-of-music-and-the-brain/
Ways that Music Affects your Brain and Mood www.consciouslifestylemag.com/music-and-the-brain-affects...
Knowing Neurons knowingneurons.com/2017/07/12/music/
The Effect of Music on the Production of Neurotransmitters pdf. pdfs.semanticscholar.org/4bfe/35f957b10959f9c9fb063ba0453...
the-impact-of-music-on-neurochemistry www.audiocura.com/the-impact-of-music-on-neurochemistry/
This is an embryonic nerve cell growing on DNA. In this system DNA is being studied as a tool to dynamically control surface adhesion for cells. Changing the cell behavior at different time intervals allows us to recreate the dynamic growth sequences that occur naturally in regenerating animals like newts.
Courtesy of Dr. Mark McClendon , Northwestern University
Image Details
Instrument used: Quanta SEM
Magnification: 8,000X
Horizontal Field Width: 20um
Vacuum: 2 e-3Pa
Voltage: 3kV
Spot: 3
Working Distance: 6
Detector: SE
Description: Illustration of neuron with dendrites and nucleus
Credit: National Institutes of Health, National Institute of Mental Health
Hippocampus and neurons of mouse with the neurodegenerative disease Niemann-Pick type C1. Credit: I. Williams, NICHD
I was organizing a photo workshop didn;t take any good photo for what I set out but opened the window and had this sunset in front of me.