La excitación y la inhibición: El yin y el yang del cerebro

Artículo original: Excitation and Inhibition: The Yin and Yang of the Brain Joel Frohlich Traducido por Mariangelina Martínez Para crear un sistema nervioso funcional solo se ocupan dos fuerzas: la excitación y la… Leer más

La basura huele a verde y los disparos son un arcoíris

Artículo original: Garbage Smells Green and Gunshots Are Rainbows Joel Frohlich Traducido por Keya Vijapure Las mentes de las personas son como universos paralelos, siempre inaccesibles entre sí.  Nunca somos… Leer más

¿Existe el libre albedrío?

Artículo original: Does Free Will Exist? Joel Frohlich Traducido por Es una tranquila tarde de domingo. El profesor Freeman está disfrutando del clima del sur de California en el patio del… Leer más

¿Esquizofrenia en un frasco? La historia de la ketamina

Artículo original: Schizophrenia in a Vial? The Story of Ketamine  Joel Frohlich Traducido por Dalí Jiménez  Nota: La ketamina es una sustancia regulada en los Estados Unidos y en muchos… Leer más

La Ingeniería Inversa del Cerebro

Artículo original: Reverse Engineering the Brain ,  Joel Frohlich  Traducido por Delaney Ivey ~~~ ¿Podemos aprender todo sobre el cerebro estudiando las células cerebrales individuales? Comenzó con una simple ecuación.… Leer más

How Floating in Darkness Takes the Body off the Mind

What happens when your mind disconnects from all outside sensations? First, you undress, put in earplugs, and step into a floatation tank, the water warmed to the temperature of your… Leer más

Neuro Cartilla: El Sueño

Artículo original: Neuro Primer: Sleep, Joel Frohlich Traducido por Daniela Semerjian.  ~~~ Es fácil preguntar:  “¿Por qué dormir?” Pero también podemos darle la vuelta a la pregunta: “¿Por qué despertarse?”… Leer más

Book Review and Author Interview: The Case Against Reality by Donald Hoffman

A full interview with Donald Hoffman follows this book review Does the moon still exist when you’re not looking at it? In a provocative new book titled The Case Against… Leer más

Neuro Primer: Sleep

Spanish Translation also available here: Neuro Cartilla: El Sueño ~~~ It’s easy to ask: “Why sleep?” But we can also turn the question on its head: “Why wake?” We need… Leer más

Book Review: Life 3.0

n August 2, 2014, Elon Musk (@elonmusk) tweeted, “We need to be super careful with AI. Potentially more dangerous than nukes.” Yet, in the cultural ambience of Hollywood blockbusters, can… Leer más

Consciousness: The Final Frontier

When I walk through my kitchen, I smell fresh food and feel warmth radiating off of it. These internal, subjective experiences are called qualia. I assume that my refrigerator, my… Leer más

No, You’re Not Left-Brained or Right-Brained

At the fictional Hogwarts school for witchcraft and wizardry in the Harry Potter series, students are sorted into different school houses by a magic hat based on their personalities. Similarly,… Leer más

Are children with Angelman syndrome really happy?

This post was updated on April 24, 2019 to incorporate feedback from parents. Names have been changed to protect anonymity. What is health? What is happiness? We generally imagine the… Leer más

Reverse Engineering the Brain

Can we learn everything about the brain by studying individual brain cells? It started with a simple equation. In 1980, a mathematician named Benoit Mandelbrot working for IBM plotted the… Leer más

Book Review: Your Brain is a Time Machine: The Neuroscience and Physics of Time

n a recent family trip, I persuaded my dad to continue on from Grand Teton to Yellowstone National Park. Time was short before driving back to our lodging in Idaho.… Leer más

¿Esquizofrenia en un frasco? La historia de la ketamina

Note: Ketamine is a controlled substance in the US and many other countries. Do not use ketamine illicitly. magine an injection that briefly gives you schizophrenia. Now imagine that this… Leer más

Chaos Rules All

ature is so predictable. Or is it? On Monday, August 21, 2017, thousands will travel to see the first total solar eclipse in the contiguous United States since 1979. Peering… Leer más

Imágenes de tomografía por emisión de positrones: ¿El verdadero cerebro positrónico?

In Isaac Asimov’s 1950 short story collection I, Robot, intelligent robots with positronic brains exist alongside humans. Unlike conventional computer hardware, the word positronic implies that electrical current is carried… Leer más

El máximo experimento de reflexión parte III: Flores para Algernon

In Part II of this series, we considered artificial intelligent in the context of Arthur C. Clarke’s novel and Stanley Kubrik’s film 2001: A Space Odyssey. In Space Odyssey, intelligence… Leer más

El máximo experimento de reflexión parte II: 2001: Una odisea espacial

In our previous post, we considered the Philip K. Dick novel Do Androids Dream of Electric Sheep? in the context of a thought experiment: a thinking tool used by scientists and… Leer más

El máximo experimento de reflexión parte I: ¿Los androides sueñan con ovejas eléctricas? 

Let’s imagine something crazy. What if each person in China was ordered to simulate a neuron in a brain, making an enormous “China brain?” Every participant in this grand experiment… Leer más

What Happens If You Stick Your Head in a Particle Accelerator?

What would happen if you stuck your body inside a particle accelerator? The scenario seems like the start of a bad Marvel comic, but it happens to shed light on… Leer más

Excitation and Inhibition: The Yin and Yang of the Brain

To make a working nervous system, only two forces are necessary: excitation and inhibition.… Leer más

Stimulating Neural Circuits with Magnetism

Brain stimulation might sound like some Frankensteinian demonstration from a Victorian science fair. But in reality, it is a contemporary technique making a huge impact in neuroscience by addressing a… Leer más

The Mighty and the Weak: How Science Explains Cuteness

Cute things are usually vulnerable, fragile and weak.  But cuteness itself is mighty indeed. Morten L. Kringelbach and his colleagues at the University of Oxford recently described cuteness as ‘one… Leer más

Garbage Smells Green and Gunshots Are Rainbows

The minds of individuals are like parallel universes, forever inaccessible to one another.  Never do we truly see through the eyes of another person.  It is common for us to… Leer más

Algorithms to Live By: The Computer Science of Human Decisions, A Review

Responding to the assertion that computers lack intuition, the philosopher and cognitive scientist Daniel Dennett once (counter-intuitively) argued that computers must have intuition. Ask a computer to calculate the square… Leer más

Learning from Disorder: The Paradox of Information in the Brain

In Dante’s Inferno, the fifth circle of Hell is a place where the wrathful fight each other for eternity.  Similarly, I often consider YouTube comments to be an extracanonical circle… Leer más

Jupiter and Beyond! The Unsung Friendship between Neuroscience and Space Exploration

This weekend, I attended a special event at NASA’s Jet Propulsion Laboratories in Pasadena, CA to celebrate the Juno spacecraft’s July 4th arrival at the planet Jupiter.  Planetary scientists study… Leer más

Brain Waves and Beta Buzz: The Wild Story of Neural Oscillations

What are brain waves?  It’s no wonder the term sounds like science fiction.  In the 1920s, a German psychiatrist embarked on a highly personal quest to discover the supposed medium… Leer más

¿Existe el libre albedrío?

It’s a lazy Sunday afternoon. Professor Freeman is enjoying the Southern California weather on Professor Domino’s patio. Domino: Will it be Coke or Pepsi, Dr. Freeman? Freeman: That’s an easy… Leer más

Gliders, Blinkers, and Pulsars: Complexity and the Game of Life

Previously on Knowing Neurons, we considered self-organized criticality (SOC) and network science (AKA graph theory) as two possible sources of complex behavior in the brain and other physiological systems. As… Leer más

How Do We Know? The Value of Scientific Models.

Last month, astronomers announced the prediction of a new giant planet in our solar system dubbed Planet IX, a genuine ninth planet with ten times the mass of Earth.  The… Leer más

The Fugue of Life: Why Complexity Matters in Physiology and Neuroscience

People like simplicity. Each decade, corporate logos grow progressively minimalistic, pop songs use ever simpler melodies, and visual art embraces simpler compositions, as Monet gives way to Picasso and Picasso… Leer más

Double Book Review: The Emperor’s New Mind and Godel, Escher, Bach: An Eternal Golden Braid

“A barber (who is a man) shaves all and only those men who do not shave themselves. Does he shave himself?” If you can’t solve the above riddle, don’t worry… Leer más

The Doors of Perception

“If the doors of perception were cleansed every thing would appear to man as it is, Infinite.” – William Blake The friendly headlamps and grill of a car.  A sly electrical… Leer más
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