Neurociencias HIMFG

Neurociencias HIMFG Laboratorio de Investigación en Neurociencias del Hospital Infantil de México Federico Gómez Dra. María de Lourdes Álvarez Arellano, Investigadora de CONACYT

Dr. Juan Carlos Corona, Jefe del Laboratorio de Investigación en Neurociencias.

24/10/2025

✅ 1 ER Curso - Práctico : Uso de animales de laboratorio
Del 12 al 13 de noviembre

Conoces sus dibujos sobre la estructura y composición del cerebro?
17/10/2025

Conoces sus dibujos sobre la estructura y composición del cerebro?

fallece Santiago Ramón y Cajal, quien fue un médico y científico español, especializado en histología y anatomía patológica. 🔬

17/10/2025

Se acerca nuestro "IX Congreso AMIINSHAE"

13/10/2025

BREAKING NEWS
The Royal Swedish Academy of Sciences has decided to award the 2025 Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel to Joel Mokyr, Philippe Aghion and Peter Howitt “for having explained innovation-driven economic growth” with one half to Mokyr “for having identified the prerequisites for sustained growth through technological progress” and the other half jointly to Aghion and Howitt “for the theory of sustained growth through creative destruction.”

The laureates showed how new technology can drive sustained growth.

Over the last two centuries, for the first time in history, the world has seen sustained economic growth. This has lifted vast numbers of people out of poverty and laid the foundation of our prosperity. This year’s laureates in economic sciences, Joel Mokyr, Philippe Aghion and Peter Howitt, explain how innovation provides the impetus for further progress.

Technology advances rapidly and affects us all, with new products and production methods replacing old ones in a never-ending cycle. This is the basis for sustained economic growth, which results in a better standard of living, health and quality of life for people around the globe.

However, this was not always the case. Quite the opposite – stagnation was the norm throughout most of human history. Despite important discoveries now and again, which sometimes led to improved living conditions and higher incomes, growth always eventually levelled off.

Joel Mokyr used historical sources as one means to uncover the causes of sustained growth becoming the new normal. He demonstrated that if innovations are to succeed one another in a self-generating process, we not only need to know that something works, but we also need to have scientific explanations for why. The latter was often lacking prior to the industrial revolution, which made it difficult to build upon new discoveries and inventions. He also emphasised the importance of society being open to new ideas and allowing change.

Philippe Aghion and Peter Howitt also studied the mechanisms behind sustained growth. In an article from 1992, they constructed a mathematical model for what is called creative destruction: when a new and better product enters the market, the companies selling the older products lose out. The innovation represents something new and is thus creative. However, it is also destructive, as the company whose technology becomes passé is outcompeted.

In different ways, the laureates show how creative destruction creates conflicts that must be managed in a constructive manner. Otherwise, innovation will be blocked by established companies and interest groups that risk being put at a disadvantage.

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10/10/2025

BREAKING NEWS
The Norwegian Nobel Committee has decided to award the 2025 Nobel Peace Prize to Maria Corina Machado for her tireless work promoting democratic rights for the people of Venezuela and for her struggle to achieve a just and peaceful transition from dictatorship to democracy.

As the leader of the democracy movement in Venezuela, Maria Corina Machado is one of the most extraordinary examples of civilian courage in Latin America in recent times.

Ms Machado has been a key, unifying figure in a political opposition that was once deeply divided – an opposition that found common ground in the demand for free elections and representative government. This is precisely what lies at the heart of democracy: our shared willingness to defend the principles of popular rule, even though we disagree. At a time when democracy is under threat, it is more important than ever to defend this common ground.

Venezuela has evolved from a relatively democratic and prosperous country to a brutal, authoritarian state that is now suffering a humanitarian and economic crisis. Most Venezuelans live in deep poverty, even as the few at the top enrich themselves. The violent machinery of the state is directed against the country’s own citizens. Nearly 8 million people have left the country. The opposition has been systematically suppressed by means of election rigging, legal prosecution and imprisonment.

Venezuela’s authoritarian regime makes political work extremely difficult. As a founder of Súmate, an organisation devoted to democratic development, Ms Machado stood up for free and fair elections more than 20 years ago. As she said: “It was a choice of ballots over bullets.” In political office and in her service to organisations since then, Ms Machado has spoken out for judicial independence, human rights and popular representation. She has spent years working for the freedom of the Venezuelan people.

Ahead of the election of 2024, Ms Machado was the opposition’s presidential candidate, but the regime blocked her candidacy. She then backed the representative of a different party, Edmundo Gonzalez Urrutia, in the election. Hundreds of thousands of volunteers mobilised across political divides. They were trained as election observers to ensure a transparent and fair election. Despite the risk of harassment, arrest and torture, citizens across the country held watch over the polling stations. They made sure the final tallies were documented before the regime could destroy ballots and lie about the outcome.

The efforts of the collective opposition, both before and during the election, were innovative and brave, peaceful and democratic. The opposition received international support when its leaders publicised the vote counts that had been collected from the country’s election districts, showing that the opposition had won by a clear margin. But the regime refused to accept the election result, and clung to power.

Democracy is a precondition for lasting peace. However, we live in a world where democracy is in retreat, where more and more authoritarian regimes are challenging norms and resorting to violence. The Venezuelan regime’s rigid hold on power and its repression of the population are not unique in the world. We see the same trends globally: rule of law abused by those in control, free media silenced, critics imprisoned, and societies pushed towards authoritarian rule and militarisation. In 2024, more elections were held than ever before, but fewer and fewer are free and fair.

In its long history, the Norwegian Nobel Committee has honoured brave women and men who have stood up to repression, who have carried the hope of freedom in prison cells, on the streets and in public squares, and who have shown by their actions that peaceful resistance can change the world. In the past year, Ms Machado has been forced to live in hiding. Despite serious threats against her life she has remained in the country, a choice that has inspired millions of people.

When authoritarians seize power, it is crucial to recognise courageous defenders of freedom who rise and resist. Democracy depends on people who refuse to stay silent, who dare to step forward despite grave risk, and who remind us that freedom must never be taken for granted, but must always be defended – with words, with courage and with determination.

Maria Corina Machado meets all three criteria stated in Alfred Nobel’s will for the selection of a Peace Prize laureate. She has brought her country’s opposition together. She has never wavered in resisting the militarisation of Venezuelan society. She has been steadfast in her support for a peaceful transition to democracy.

Maria Corina Machado has shown that the tools of democracy are also the tools of peace. She embodies the hope of a different future, one where the fundamental rights of citizens are protected, and their voices are heard. In this future, people will finally be free to live in peace.

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“por su obra cautivadora y visionaria que, en medio del terror apocalíptico, reafirma el poder del arte”.
09/10/2025

“por su obra cautivadora y visionaria que, en medio del terror apocalíptico, reafirma el poder del arte”.

The Nobel Prize in Literature for 2025 was awarded to László Krasznahorkai, “for his compelling and visionary oeuvre that, in the midst of apocalyptic terror, reaffirms the power of art.”

08/10/2025

BREAKING NEWS
The Royal Swedish Academy of Sciences has decided to award the 2025 Nobel Prize in Chemistry to Susumu Kitagawa, Richard Robson and Omar M. Yaghi “for the development of metal–organic frameworks.”

The 2025 Nobel Prize laureates in chemistry have created molecular constructions with large spaces through which gases and other chemicals can flow. These constructions, metal–organic frameworks, can be used to harvest water from desert air, capture carbon dioxide, store toxic gases or catalyse chemical reactions.

Kitagawa, Robson and Yaghi have developed a new form of molecular architecture. In their constructions, metal ions function as corner-stones that are linked by long organic (carbon-based) molecules. Together, the metal ions and molecules are organised to form crystals that contain large cavities. These porous materials are called metal–organic frameworks (M*F). By varying the building blocks used in the M*Fs, chemists can design them to capture and store specific substances. M*Fs can also drive chemical reactions or conduct electricity.

“Metal–organic frameworks have enormous potential, bringing previously unforeseen opportunities for custom-made materials with new functions,” says Heiner Linke, Chair of the Nobel Committee for Chemistry.

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07/10/2025

BREAKING NEWS
The Royal Swedish Academy of Sciences has decided to award the 2025 in Physics to John Clarke, Michel H. Devoret and John M. Martinis “for the discovery of macroscopic quantum mechanical tunnelling and energy quantisation in an electric circuit.”

This year’s physics laureates’ experiments on a chip revealed quantum physics in action.

A major question in physics is the maximum size of a system that can demonstrate quantum mechanical effects. The 2025 physics laureates conducted experiments with an electrical circuit in which they demonstrated both quantum mechanical tunnelling and quantised energy levels in a system big enough to be held in the hand.

Quantum mechanics allows a particle to move straight through a barrier, using a process called tunnelling. As soon as large numbers of particles are involved, quantum mechanical effects usually become insignificant. The laureates’ experiments demonstrated that quantum mechanical properties can be made concrete on a macroscopic scale.

In 1984 and 1985, John Clarke, Michel H. Devoret and John M. Martinis conducted a series of experiments with an electronic circuit built of superconductors, components that can conduct a current with no electrical resistance. In the circuit, the superconducting components were separated by a thin layer of non-conductive material, a setup known as a Josephson junction. By refining and measuring all the various properties of their circuit, they were able to control and explore the phenomena that arose when they passed a current through it. Together, the charged particles moving through the superconductor comprised a system that behaved as if they were a single particle that filled the entire circuit.

This macroscopic particle-like system is initially in a state in which current flows without any voltage. The system is trapped in this state, as if behind a barrier that it cannot cross. In the experiment the system shows its quantum character by managing to escape the zero-voltage state through tunnelling. The system’s changed state is detected through the appearance of a voltage.

The laureates could also demonstrate that the system behaves in the manner predicted by quantum mechanics – it is quantised, meaning that it only absorbs or emits specific amounts of energy.

The transistors in computer microchips are one example of the established quantum technology that surrounds us. This year’s Nobel Prize in Physics has provided opportunities for developing the next generation of quantum technology, including quantum cryptography, quantum computers, and quantum sensors.

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06/10/2025

BREAKING NEWS
The Nobel Assembly at Karolinska Institutet has decided to award the 2025 Nobel Prize in Physiology or Medicine to Mary E. Brunkow, Fred Ramsdell and Shimon Sakaguchi “for their discoveries concerning peripheral immune tolerance.”

This year’s medicine laureates have discovered how the immune system is kept in check. The body’s powerful immune system must be regulated, or it may attack our own organs. Brunkow, Ramsdell and Sakaguchi have been awarded this year’s medicine prize for their groundbreaking discoveries concerning peripheral immune tolerance that prevents the immune system from harming the body.

The laureates identified the immune system’s security guards, regulatory T cells, which prevent immune cells from attacking our own body.

The laureates’ discoveries launched the field of peripheral tolerance, spurring the development of medical treatments for cancer and autoimmune diseases. This may also lead to more successful transplantations. Several of these treatments are now undergoing clinical trials.

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Press release: https://bit.ly/46NpqbG
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02/10/2025

Hasta siempre, Jane
Gracias por hacer de este mundo un espacio mejor para todos. 💚

Segundo día de posters, VI Neurobiology meeting of the Mexican Society For Biochemistry
24/09/2025

Segundo día de posters, VI Neurobiology meeting of the Mexican Society For Biochemistry

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