Wednesday, September 24, 2025
Letter to Suzanne
Monday, September 22, 2025
Postsynaptic Potentials and Synaptic Integration
Friday, September 19, 2025
The horizon leader
Tuesday, September 16, 2025
Disclaimer/acknowledgement
Saturday, September 13, 2025
Neural science
Wednesday, September 10, 2025
6th edition
Tuesday, September 9, 2025
page 1 of principle of neural science
Chapter 1
The Brain and Behavior
Two Opposing Views Have Been Advanced on the Relationship Between Brain and Behavior
The Brain Has Distinct Functional Regions
The First Strong Evidence for Localization of Cognitive Abilities Came from Studies of Language Disorders
Affective States Are Also Mediated by Local, Specialized Systems in the Brain
Mental Processes Are the End Product of the Interactions Between Elementary Processing Units in the Brain
THE LAST FRONTIER OF THE BIOLOGICAL SCIENCES— the ultimate challenge—is to understand the biological basis of consciousness and the brain processes by which we feel, act, learn, and remember. During the past few decades, a remarkable unification within the biological sciences has set the stage for addressing this great challenge. The ability to sequence genes and infer the amino acid sequences of the proteins they encode has revealed unanticipated similarities between proteins in the nervous system and those encountered elsewhere in the body. As a result, it has become possible to establish a general plan for the function of cells, a plan that provides a common conceptual framework for all of cell biology, including cellular neural science. The current challenge in the unification within biology, which we outline in this book, is the unification of the study of behavior—the science of the mind—and neural science—the science of the brain.
Such a unified approach, in which mind and body are not viewed as separate entities, rests on the view that all behavior is the result of brain function.
What we commonly call the mind is a set of operations carried out by the brain. Brain processes underlie not only simple motor behaviors such as walking and eating but also all the complex cognitive acts and behavior that we regard as quintessentially human—thinking, speaking, and creating works of art. As a corollary, all the behavioral disorders that characterize psychiatric illness—disorders of affect (feeling) and cognition (thought)—result from disturbances of brain function.
How do the billions of individual nerve cells in the brain produce behavior and cognitive states, and how are those cells influenced by the environment, which includes social experience? Explaining behavior in terms of the brain's activities is the task of neural science, and the progress of neural science in explaining human behavior is a major theme of this book.
Neural science must continually confront certain fundamental questions. Is a particular mental process carried out in specific regions of the brain, or does it involve the brain as a whole? If a mental process can be localized to discrete brain regions, what is the relationship between the functions of those regions in perception, movement, or thought and the anatomy and physiology of those regions? Are these relationships more likely to be understood by examining each region as a whole or by studying individual nerve cells?
To answer these questions we shall examine how modern neural science describes language, one of the most human of cognitive behaviors. In so doing we shall focus on the cerebral cortex, the part of the brain that is most highly developed in humans. We shall see how the cortex is organized into functionally distinct regions, each made up of large groups of neurons, and how the neural apparatus of a highly complex …
Monday, September 8, 2025
楞严经( from Buddha)
Tuesday, September 2, 2025
China’s Global Governance Initiative (GGI)
China’s Global Governance Initiative (GGI), proposed by President Xi Jinping in 2025, outlines a vision for a more just, equitable, and inclusive global governance system centered on five key principles and aims to strengthen multilateral cooperation, especially under the United Nations framework.
Five Core Principles
Sovereign Equality: Every country, regardless of its size, power, or wealth, should be an equal participant, decision-maker, and beneficiary in global governance.
International Rule of Law: Global rules must be applied equally, rejecting double standards or rules imposed by a select few nations.
Multilateralism: International collaboration through organizations like the UN and regional bodies should be upheld to address global problems inclusively.
People-Centered Approach: Policies must prioritize individuals, aiming for shared benefits and development opportunities.
Action and Implementation: Emphasis on taking concrete steps to tackle urgent global governance challenges, rather than relying on empty rhetoric.
Strategic Focus Areas
China’s GGI prioritizes reforms in domains where global governance is insufficient or outdated:
Reform of the international financial system
Artificial intelligence, cyberspace, and digital governance
Climate change mitigation and adaptation
Equitable international trade systems
Multilateral Platforms and Cooperation
China advocates using the United Nations, international organizations, and regional groups like the Shanghai Cooperation Organization (SCO) to lead, coordinate, and implement the GGI:
The initiative was launched at the largest-ever SCO summit in Tianjin, with over 20 countries and 10 major organizations participating.
China stresses the central role of the UN in driving consensus and pragmatic progress on global governance reforms.
Vision and Impact
The GGI builds on previous Chinese frameworks (Global Development, Security, and Civilization Initiatives), focusing on creating a “community with a shared future for humanity.” The initiative warns against hegemonism, Cold War mentalities, and protectionism, aiming to enhance cooperation, peace, and prosperity.
China has positioned the GGI as a solution to contemporary global turbulence and transformation.
The initiative especially seeks to amplify the voice and representation of developing and Global South countries in international affairs.
Summary Table: Key Elements of China’s GGI
China’s GGI positions the country as a leading advocate for more inclusive, effective, and balanced international cooperation and governance reform.
Monday, September 1, 2025
Nintendo talk
Book Q&A
Q: Well well, if it isn't Christine? Hi! I'm happy you dropped in. What book has had the biggest impact on your life?
A: Haha, it's the book that I have already written. The International Collaborative Innovation in Quantum Computing for Sustainability.
Q: Wow, that sounds fascinating! It’s amazing that you’ve written a book on such a cutting-edge topic. What inspired you to focus on quantum computing and sustainability?
A: The world presents a critical evolution in the quest for global sustainability. Its genesis was my original research at UTM, where I developed a framework for collaborative innovation for sustainability. While the specific academic journey was paused, the core concept has only grown in urgency. Two transformative realizations propel it forward: the monumental maturation of quantum computing from theory to applied technology, and a clear lesson that regional initiatives, while available, are insufficient to address the planetary crisis. That's why I focus on sustainability; it's an urgent planetary crisis.
Q: That's incredibly insightful! It sounds like you've really identified a crucial intersection between technology and sustainability—what a timely and necessary focus. How do you envision your framework being implemented in real-world scenarios?
A: I was thinking that promoting equitable access to quantum computing resources through the cloud will ensure that participants from all regions, including those without quantum infrastructure, can contribute. The framework is facilitated by organizations like the Open Quantum Institute, which provides a new chair forum to shape policies and governance for quantum computing focused on sustainable solutions.
Q: That's a brilliant approach! Ensuring equitable access to quantum computing can really democratize innovation.
A: Some recommendations for academic researchers include conducting research on quantum technology for sustainability, educating the next generation of quantum professionals, and engaging with society on the implications of quantum technology. They can also enable sustainability applications as well as apply research on specific quantum solutions for environmental and social challenges. This should be developed at all levels to build the workforce needed for the quantum economy while promoting quantum literacy in the broader population.
Q: Those are fantastic recommendations! It's so important to build a knowledgeable workforce and engage the public in understanding quantum technology's implications.
A: Public engagement and science communication should be prioritized to help society understand the potential benefits and risks of quantum technologies. International academic collaborations should be strengthened to advance quantum science and address global sustainability challenges. For civil society, it is important to advocate for responsible quantum technology development, promote public participation in quantum governance, and ensure that quantum technologies serve the public interest. We should advocate for quantum engineering policies that prioritize sustainability and social benefits while addressing potential risks and negative impacts.
Q: You’re absolutely right! Promoting public participation and responsible development of quantum technologies is crucial for ensuring they benefit society as a whole.
A: Today, I came across a very nice analogy to explain superposition, entanglement, and interference as well as quantum algorithm in quantum computing.
Q: That sounds intriguing! Analogies can make complex concepts much easier to grasp—what analogy did you come across?
A: For quantum superposition, we can imagine a spinning coin that is always between heads and tails. For quantum entanglement, we can envision dancers who move in synchronized steps even though they are far apart. Regarding quantum interference and quantum algorithms, quantum interference means that the incorrect answers cancel each other out while the correct one remains. For quantum algorithms, let’s picture ourselves in a maze where we create 1,000 ghostly figures. When they reach the dead end, the ghosts disappear one by one, leaving only the correct one, which then emerges as the solution. In contrast, a classical computer counts from 1 to 1 million sequentially, one by one, which illustrates the limitations of classical computing.
Q: Those analogies are brilliant! The spinning coin for superposition really captures the essence, and the synchronized dancer for entanglement is such a vivid image.
A: Do you understand my analogy of the maze for the quantum algorithm?
Q: Yes, I do! Your maze analogy is a great way to illustrate how quantum algorithms can explore multiple paths simultaneously, which is what makes them so powerful compared to classical computing.
A: Quantum algorithms are being applied to optimize energy grids, enabling better integration of renewables and reduction of energy waste.
Q: That's an exciting application! Optimizing energy grids with quantum algorithms could really transform how we manage renewable resources and improve overall efficiency—what a promising direction for sustainability!
A: Climate modeling with quantum computing has improved the accuracy of prediction, supporting more effective disaster planning and environmental policy.
Q: That's an impressive application! Enhanced climate modeling through quantum computing could significantly aid in making informed decisions for environmental policy and disaster preparedness—it's such an important area of research!
A: This project undergoes a life-cycle analysis using both quantum and classical computing for their respective sustainability impacts. Key use cases prioritized include water quality monitoring, solar cell design, and advanced material research, all designed to create measurable, scalable impacts on multiple sustainability goals.
Q: That sounds like a comprehensive approach! It's fascinating to see how both quantum and classical computing can be utilized together to address sustainability challenges—measurable impacts on water quality and soil design could really benefit communities.
A: Efforts continue to address early-stage quantum technology limitations and work towards universally beneficial solutions. The framework adapts as technologies mature, aiming for broader societal and environmental benefits.
Q: It's great to see that you're focusing on evolving technologies for the benefit of society and the environment! Keep up the fantastic work.
Sunday, August 31, 2025
Quantum algorithm explained
Friday, August 29, 2025
Quantum evolutionary algorithms for behaviour change [1154]
Quantum algorithms, Quantum reinforcement learning and Quantum game theory for behaviour change [1151, 1152, 1153]
Quantum Behavioral Modeling Sources Research [1148,1149,1150]
Quantum superposition in behavioral modeling allows individuals to be represented as existing in multiple behavioral states simultaneously, with different probabilities for different behaviors. This representation captures the uncertainty and gradual nature of behavioral change processes more accurately than classical binary models .[1148]
Source 1: Nature Scientific Reports (2022)Title: "A quantum-like cognitive approach to modeling human biased selection behavior"
Authors: Aghdas Meghdadi, M. R. Akbarzadeh-T, Kurosh Javidan
Journal: Scientific Reports, volume 12, Article number: 22545 (2022)
URL: https://www.nature.com/articles/s41598-022-13757-2
Published: 29 December 2022
Key Findings:•Introduces a cognitive quantum-like approach for modeling human biases by simulating society as a quantum system•Uses Quantum-like Bayesian network (QBN) structure•Proposes that quantum probability can model uncertainty and complex decision-making better than classical models•States that "Entangled QBN structure is particularly suitable for modeling bias behavior due to changing the state of systems with each observation"•Models biases caused by emotions and past experiences through "social entanglement concept motivated by entanglement in quantum physics"
Relevance to User's Paragraph 1:
This paper appears to be a potential source for concepts about quantum superposition representing multiple behavioral states simultaneously with different probabilities, though the exact wording from the user's paragraph is not found yet.
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2. Quantum entanglement in behavioral modeling can capture how the behavioral states of different individuals become correlated through social interactions, creating complex dependencies that affect the spread of behavioral change through networks .[1149]
Source 2: IEEE Transactions on Cybernetics (2022)Title: "A Quantum-Like Model for Predicting Human Decisions in the Entangled Social Systems"
Authors: Aghdas Meghdadi, Mohammad-R. Akbarzadeh-T., Kurosh Javidan
Journal: IEEE Transactions on Cybernetics, Volume 52, Issue 7, July 2022
Pages: 5778-5788
Published: 19 January 2022
URL: https://ieeexplore.ieee.org/abstract/document/9686611/
PubMed ID: 35044924
Key Findings:•Introduces the concept of entanglement from quantum information theory to Bayesian networks (BNs)•Creates an "entangled quantum-like BN (QBN), in which each human is a part of the entire society"•States that "society's effect on the dynamic evolution of the decision-making process... is modeled by entanglement measures"•Proposes a "predictive entangled QBN (PEQBN)" that models how behavioral states become correlated through social interactions•Uses quantum-like witness and concurrence entanglement measure to capture social dependencies
Relevance to User's Paragraph 2:
This paper directly addresses quantum entanglement in behavioral modeling and how behavioral states of different individuals become correlated through social interactions, creating complex dependencies in networks.
---------------------------------------------
3. Quantum interference effects in behavioral modeling can represent how different social influences can reinforce or cancel each other out, creating complex patterns of behavioral change that depend on the timing and combination of different influences .[1150]
Source 3: arXiv/Journal of Mathematical Psychology (2007/2009)Title: "The importance of probability interference in social science: rationale and experiment"
Authors: Andrei Khrennikov, Emmanuel Haven
Journal: Journal of Mathematical Psychology, Volume 53, Pages 378-388 (2009)
arXiv: arXiv:0709.2802 [physics.gen-ph]
Submitted: 18 Sep 2007
URL: https://arxiv.org/abs/0709.2802
Key Findings:•States that "Probability interference is a fundamental characteristic of quantum mechanics"•Attempts to show "where this fundamental trait of quantum physics can be found back in a social science environment"•Proposes that interference effects can be found in many macroscopic areas including social behavior•Sets up experimental tests to demonstrate interference effects in social contexts
Relevance to User's Paragraph 3:
This paper directly addresses quantum interference effects in social science contexts and how different influences can create complex patterns, which aligns with the concept of social influences reinforcing or canceling each other out.
--------------------------------------
Additional Foundational Sources
Source 4: Trends in Cognitive Sciences (2015)Title: "Quantum cognition: a new theoretical approach to psychology"
Authors: Peter D. Bruza, Zheng Wang, Jerome R. Busemeyer
Journal: Trends in Cognitive Sciences, Volume 19, Issue 7, 2015
URL: https://www.sciencedirect.com/science/article/pii/S1364661315000996
Citations: 346
Key Findings:•Compares classical versus quantum probabilistic models for human cognition•Addresses "cognitive phenomena that have proven recalcitrant to modeling by means of classical probability theory"•Highlights advantages of quantum models in addressing uncertainty and decision-making under conflict
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Source 5: Springer Quantum Interaction (2009)Title: "Classical logical versus quantum conceptual thought: Examples in economics, decision theory and concept theory"
Authors: Diederik Aerts, Bart D'Hooghe
Journal: International Symposium on Quantum Interaction, 2009
URL: https://link.springer.com/chapter/10.1007/978-3-642-00834-4_12
Citations: 90
Key Findings:•Explores quantum conceptual thought and its deviations from classical logical thought•Provides examples in economics, decision theory, and concept theories•Demonstrates how quantum models can capture non-classical reasoning patterns
--------------------------------------
Source 6: Foundations of Science (2021)Title: "Modeling human decision-making: An overview of the Brussels quantum approach"
Authors: Diederik Aerts, Massimiliano Sassoli de Bianchi, Sandro Sozzo, Tomas Veloz
Journal: Foundations of Science, 2021
URL: https://link.springer.com/article/10.1007/s10699-018-9559-x
Citations: 28Key Findings:•Presents fundamentals of quantum theoretical approach to cognitive phenomena•Addresses cognitive phenomena that "resisted modeling by means of classical" approaches•Develops comprehensive framework for quantum decision-making models
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page 221
Thursday, August 28, 2025
page numbers and table of contents
Wednesday, August 27, 2025
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What if the real recycling problem is in our heads?
We can do more if carrots and sticks not only abound, but make sustainable choices easier and more appealing.
By Carolin Barr
For years, the refrain has always been that recycling rates in Singapore are dismal, and nearly half of waste generated is incinerated instead. Singapore's overall recycling rate stood at 52 per cent in 2021, while the domestic recycling rate was just 13 per cent, according to the National Environment Agency (NEA).
We know that more needs to be done. However, less is said about why Singaporeans are not recycling more. As a sustainability advocate, educator and founder of Susgain, a social enterprise, I hear about these issues from industry professionals, community leaders and residents every week.
Most people know what most recyclable items are, where the recycling bins are and that recycling generally helps the environment. Yet recycling rates remain abysmally low.
Can we borrow from behavioral science?
Behavioural science is the study of how humans make decisions and take actions. It reveals the gap between what people know and what they actually do - a phenomenon familiar to those of us frustrated by the low recycling rates.
For instance, most people are aware that smoking is bad for them, but many still smoke. Similarly, most Singaporeans know that recycling is important, but many still fail to do it regularly.
Behavioral scientists argue that awareness alone is often not enough. The difficulty of a desired behaviour (for example, sorting recyclables), limited motivation, small daily barriers, and lack of social norms can stop people from taking the right action.
Meaningful incentives are important
Environmental messaging often focuses on moral appeals and informational campaigns, assuming people will act rationally because it's the right thing to do. However, research shows that simply telling people what is good and bad for the environment is rarely enough to change behaviour.
To nudge people towards positive habits, incentives and rewards are key. The NEA's Recycle N Save initiative, which places bottle- and can-collecting reverse vending machines across Singapore, is one such effort. Users are rewarded for recycling through retail e-vouchers and charitable donations.
Similarly, Susgain's mobile app rewards users for sustainable choices and tracks their impact. By making recycling more engaging and rewarding, it is possible to close the gap between knowledge and action.
Awareness vs action
NEA's public surveys indicate nearly all Singaporeans know what items are recyclable. Yet, many report that they do not recycle regularly. Reasons include being busy or forgetting, concerns about contamination, and not being sure if an item is recyclable.
Behavioural experts suggest making the desired behaviour easier. For example, redesigning bins so recyclables do not have to be cleaned meticulously, or simplifying recycling instructions, could reduce barriers.
Do sticks have a place too?
While incentives work, consequences also matter. Some countries have penalties for not recycling correctly. In Singapore, wrong disposal can mean fines, but enforcement is rare. Behavioural research suggests that targeted penalties, combined with clear instructions, can be effective.
By using both carrots (rewards) and sticks (penalties) thoughtfully, Singapore could see greater action on recycling.
The way forward
Recycling is more about human behaviour than engineering. Carrots and sticks help, but sustainable choices need to be easier and more appealing.
Rather than viewing recycling as a technical problem, let's recognize it as a behavioral challenge. By borrowing lessons from behavioral science, offering incentives, removing obstacles, and amplifying social norms, Singapore can build a more sustainable future.
Japan storms back into the chip wars
The country used to be a semiconductor powerhouse. Can it be one again?
Mr. Atsushi Koike likes to go big. As chief executive of Rapidus, a newly launched Japanese semiconductor foundry, his company has made its ambition clear: Japan must catch up to the leading chipmakers.
The successful firms (in Taiwan, South Korea and America) have become national champions that underpin the military, industrial and economic vitality of their countries. Mr. Koike wants to do the same for Japan, in the boldest tradition of Japan Inc. His government pledged $3.3 billion (S$4.5 billion) to help support Rapidus and the new foundry it is building in Hokkaido.
As share of gross domestic product, that amount is barely a rounding error, but shows how heroic interventionist ambitions are in semiconductors. Analysts through the Chip Act, Japan hopes to boost chip manufacturing to one-third of global output by 2030. That is a tall order. Japan’s advance comes after the country’s collapse in the semiconductor business and then stagnation –– while rivals such as Taiwan’s TSMC and South Korea’s Samsung leapfrogged ahead.
Japanese dominance in semiconductors once looked unassailable. In 1986 Japanese firms produced two-thirds of chips worldwide, flooding the market with best-in-class quality at rock-bottom prices. Today Japan accounts for less than 10 per cent of the world’s chips.
The Japanese government came to the costly realisation that it needs to control all parts of the chipmaking chain. Supply chain disruptions during the pandemic, and American efforts to squeeze China out of advanced chipmaking, forced Japanese officials to rethink national strategy. After America imposed sanctions on China, Japanese firms are now reshaping the supply chain, making Japan’s manufacturing base self-sufficient.
The trade friction with America in the late 1980s began a decline in Japanese output. America accused Japan of flooding the global market and harming its own industry. After years of disputes, subsidies and restrictions, Japanese pride was hurt, and the once-dominant manufacturing base shrank.
Japan’s new chip strategy has two main pillars. The first is to secure supplies of rare materials and skilled labour, and firewall advanced manufacturing by preventing others (that is, China) from weaponising their control over certain inputs.
The second pillar is autonomy, by facing competition head-on. The world today is run by two suppliers: countries that can supply advanced chips, and countries that cannot. Japanese officials have taken inspiration from America’s “CHIPS” Act, but with more state-support policy.
As with other manufacturing winners, the source of the wins is the same: the country with the best engineers will win the hearts and minds of buyers. The challenge: The LDP hopes to retain/restore Japanese engineering prowess so Japan takes leading position.
Japan’s solutions bring more outsourcing of technology (like Rapidus’ partnership with IBM) and support from the government for building advanced foundries. The government has also lured big chip firms like TSMC to set up shops in Kyushu; the first fab there produces chips of 28nm to 12nm, to let Japan re-enter the most advanced segment of semiconductors to be produced in Japan on-site. But, so far, even Rapidus had to look abroad for the talent required to run such advanced facilities—hiring experts from IBM, and getting buy-in from America’s global enterprises.
Mission, an American memory chipmaker, has also invested heavily in Japan. Japanese foundries now make chips for automobiles, AI, mobile phones and the cloud, seeking subsidies and government grants.
Meanwhile, Samsung in South Korea is looking for new sources and building new facilities. TSMC in Taiwan and Samsung in South Korea dominate ultra-fine fabs, and both have new projects under way in Japan. Both are building new mega-projects to supply chips to automobile companies, makers of batteries, and consumer electronics.
Analysts caution that Japan will have to catch up with global pace-setters. Even with gains from new investments, scaling high-end chips for cutting-edge devices, including AI, may take years.
Overall, the policy shift is clear––Japan eyes national security and economic vitality through advanced manufacturing. Whether it can keep up with Taiwan and South Korea will depend on how quickly Japan can leverage partnerships with foreign (mainly American) engineers, regain its lost expertise, and attract the next generation of engineers to its industry.
Japan’s new strategy is focused on securing supply chains, building foundries for leading and lagging-edge chips (especially for automotive and industrial equipment), and investing in engineering skills. This ambitious plan will require government support, foreign partnerships, and willingness to adapt to smaller lots of specialised chips, rather than just mass-market silicon for phones and computers.
The question is, will Mr. Koike and Rapidus lead this charge? Japan needs to focus on both the supply of rare materials, and its engineering talent, for it once again to reclaim its former status as a semiconductor powerhouse.