The hottest Cognition Substack posts right now

And their main takeaways
Category
Top Technology Topics
The Algorithmic Bridge 891 implied HN points 17 Mar 26
  1. Don’t obsess over vague “AI skills” — pick one tedious task at your job and use AI to solve it, aiming for competence fast instead of mastery.
  2. Protect yourself and your thinking: separate your finances from your identity so a job change isn’t an identity crisis, keep one regular task AI-free, learn core skills yourself first, and know when to stop using AI.
  3. Get perspective and act on reality: talk to people who survived past industry collapses to see the transition’s shape, and remember employers’ beliefs about AI matter more than your own—adapt accordingly.
Living Fossils 20 implied HN points 11 Mar 26
  1. The most reliable psychology comes from explicit, quantitative, testable models—like laws of learning and signal detection—that make precise predictions and connect to other sciences.
  2. Thinking about how minds evolved and work in real environments explains many supposed “biases” and shows family and kinship profoundly shape behavior. Simple heuristics are often fast, frugal, and adaptive rather than errors.
  3. Psychology needs clear, specific, and measurable claims that fit with other disciplines; vague or unfalsifiable ideas lead to error, so healthy skepticism and rigor matter.
Vanguard Anthology 119 implied HN points 20 Oct 24
  1. Cactusing happens when you stick to a decision even when the situation changes. It's like wanting nachos for a late-night snack then forgetting that you need a quick meal the next day.
  2. People often hold onto past achievements or contexts that no longer apply. For example, judging NASA based on its past greatness rather than its current status can lead to outdated evaluations.
  3. Recognizing when to change your decisions can open doors to new opportunities. Adapting to new situations can provide an advantage over those who don't adjust their thinking.
Astral Codex Ten 22299 implied HN points 12 Jun 25
  1. It's important to acknowledge when you're wrong in a conversation. Saying 'Oh, you're right, my mistake' helps keep discussions respectful.
  2. Admitting mistakes can show others that you're open-minded and capable of real dialogue. It makes the conversation more engaging for everyone involved.
  3. You can still hold your beliefs while recognizing faults in your arguments. This helps you reflect and grow in your understanding over time.
Marcus on AI 14781 implied HN points 09 Jul 25
  1. Many people think LLMs are showing signs of consciousness, but experts feel it's more about clever wordplay than real thinking. LLMs just mix words and ideas they've learned without true understanding.
  2. Real consciousness involves complex experiences like joy, fear, and personal connections, not just technical jargon. It's about feeling and experiencing life, not just generating responses.
  3. Be careful not to be fooled by the convincing language of LLMs. Their responses can sound intelligent, but they often lack depth or genuine thought.
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Astral Codex Ten 17619 implied HN points 23 May 25
  1. Many people remember their first conscious moments happening around ages 3 to 6, and some even recall the feeling of suddenly becoming aware of themselves. This suggests a shared experience of awakening to consciousness around this age.
  2. Some individuals claim to remember events from before they could normally form memories, like being in the womb or being born, but these memories are often questioned by scientists as being influenced by photos or stories heard later.
  3. There are thoughts that consciousness might develop in a sudden shift rather than gradually, similar to how people experience lucid dreams or moments of enlightenment, indicating that there could be a specific moment when awareness kicks in.
The Intrinsic Perspective 27199 implied HN points 13 Feb 25
  1. Using AI can make people less likely to think critically and solve problems on their own. This is especially true for those who trust AI too much.
  2. Young people may struggle to learn and retain information if they rely heavily on AI. Parents and schools should be careful about this dependency.
  3. Being skeptical about AI tools helps people use them healthier. Trusting your own judgment over AI can lead to better thinking and problem-solving skills.
AI: A Guide for Thinking Humans 342 implied HN points 10 Feb 26
  1. AI excels at calculative “reckoning” tasks but lacks human “judgment” — the ethically grounded, situation-sensitive deliberation — and relying on reckoning where judgment is needed is dangerous.
  2. Genuine intelligence requires registering the world through engagement: forming objects, relations, a world model, and a sense of self that makes differences matter; current systems lack that commitment and selfhood.
  3. We need new conceptual tools and a careful map of intelligence to understand AI’s strengths and limits and to decide which tasks should be assigned to people versus machines so deployment is safe and sensible.
The Ruffian 768 implied HN points 10 Jan 26
  1. Deep, sustained focus — cognitive endurance or mental stamina — is becoming a scarce and valuable skill because modern life mostly rewards short, fast mental tasks.
  2. Less advantaged people often have lower stamina and therefore fall behind as tasks drag on, but quiet, independent practice (even via cognitive games) can build endurance and improve outcomes, and classroom norms and policies strongly affect who gets that practice.
  3. AI and other convenience tools can speed up thinking but also replace the effort that trains slow, deep thinking, so over-reliance risks eroding the very capacity needed for hard, complex work.
Ground Truths 13516 implied HN points 19 Jan 25
  1. Eating a lot of red meat can be linked to health issues like heart problems and cancer. Plant-based diets are usually better for overall health.
  2. Studies show that eating more plant-based foods can help balance the risks from red meat. Even small changes can make a difference in gut health.
  3. Replacing red meat with healthier options like nuts or legumes may reduce the risk of cognitive decline and dementia.
Brain Pizza 728 implied HN points 03 Dec 25
  1. When your brain is 'idle' it isn't wasted time — this mode powers social thinking and mental time travel, helping you imagine others and different moments.
  2. Social pain and physical pain share brain systems, so being excluded or hurt socially can feel much like real bodily pain.
  3. Memories are often unstable and can change when recalled, which both explains memory quirks and opens promising avenues for treating memory disorders like Alzheimer's.
The Beautiful Mess 740 implied HN points 27 Nov 25
  1. People think differently: Some focus on details and concrete solutions, while others think more abstractly about purpose and possibilities. Understanding these styles can help improve teamwork.
  2. In workshops, participants have varying styles of engagement. Some jump right in with ideas, while others need clarity and examples. A good facilitator should help everyone find their comfort zone.
  3. Even if you know how you and others think, not everyone will care about self-awareness. It's essential to show up with good intentions and adapt as best as you can.
Cremieux Recueil 767 implied HN points 11 Nov 25
  1. Smart kids from poor families often do better than their parents, while less bright kids from rich families may struggle. This shows how intelligence and motivation can really change a person's social standing.
  2. A person's success and where they end up in life is often linked to their abilities and skills, rather than just where they started. Even within families, the smarter siblings tend to rise higher than their less gifted brothers and sisters.
  3. In many societies, being talented and hard-working truly pays off. While there are still some barriers to success, generally, meritocracy helps people improve their social class if they have the right skills.
Are You Okay? 1817 implied HN points 29 Jan 24
  1. Schedule regular check-ups with your doctor to prevent disease and stay on top of your health.
  2. Focus on strength training to maintain muscle mass, which is crucial for balance, energy, and overall health as you age.
  3. Prioritize social connections to combat loneliness, as feeling connected has been linked to better health outcomes.
Range Widely 3184 implied HN points 03 Oct 23
  1. Sometimes, to solve problems, we should consider taking things away rather than adding more.
  2. Interesting distractions can increase accidents on roads by affecting a driver's cognitive load.
  3. Humans tend to overlook solutions that involve removing things, and the subtraction game can be a helpful approach in various aspects of life.
Why is this interesting? 1447 implied HN points 24 Jun 25
  1. Using tools like AI can make us mentally lazy. People are less likely to critically think about the information they get from these tools.
  2. Technology can enhance our abilities while also making us forget certain skills. Just like writing helped spread knowledge but may have reduced our memory.
  3. People often view new technology as harmful because it's different from what they are used to. We tend to favor familiar things over new options.
Mind & Mythos 159 implied HN points 16 Jul 24
  1. The idea of the 'extended mind' suggests that our thinking isn't just in our brains; it includes tools and objects around us. For example, using a calculator isn't just a help; it's part of how we think.
  2. The authors argue that relying on external objects, like notebooks or smartphones, can be essential for forming beliefs and ideas, similar to how we use our memories. This means our minds can extend into the world around us.
  3. While some people disagree with this view, saying real thinking should only happen in our heads, the authors believe that our connections to our environment and the tools we use are important parts of how we think and behave.
The Map is Mostly Water 2942 implied HN points 31 Dec 24
  1. We read too many summaries instead of diving deep into topics. This can make us miss the detailed understanding that comes from exploring original sources.
  2. Writing from your own experience and observations is important. It helps create richer and more interesting content than just summarizing others' ideas.
  3. Using AI for quick answers can simplify things, but it might prevent you from understanding complex ideas. Building a deeper understanding requires slow and careful thinking.
The Memory Palace 39 implied HN points 27 Aug 24
  1. Replay dreams can feel very real, making it seem like you're reliving a past event. They might happen after a traumatic experience, but they aren't always exact copies of what happened.
  2. Not all dreams that reference memories are considered replay dreams. Some, called quotidian dreams, use memories creatively rather than re-experiencing them exactly as they occurred.
  3. Researchers think dreams work differently than regular memory recall. While memory helps us access our past, replay dreams might serve a unique purpose, especially for those who have experienced trauma.
Justin E. H. Smith's Hinternet 1088 implied HN points 29 May 25
  1. Writing started as a tool for controlling people and managing resources, not for storytelling. It helped governments keep track of what was going on in society.
  2. Getting everyone to be able to read took a long time and a lot of changes in how writing works. It went from a complex system to something much simpler and easier for people to learn.
  3. Reading isn't something we naturally do; it requires special training of our brains. If we don't keep investing in literacy, it could easily disappear and only be accessible to a few people.
Klement on Investing 8 implied HN points 27 Feb 26
  1. A large survey across eight countries found people with higher cognitive ability were generally more likely to take part in online political discussions.
  2. However, among people with lower cognitive ability, those with higher psychopathic traits were especially likely to participate. People with high psychopathy and low cognitive ability are overrepresented in online political debates.
  3. Social media and message boards often become toxic and are dominated by extreme, loud personalities, so when someone online triggers you it's often best to assume they fit that pattern and move on.
Brain Pizza 529 implied HN points 16 Aug 25
  1. The idea that intelligence can be created just by collecting more data is a big misunderstanding. Intelligence is more about how we interact with and adapt to the world, rather than just crunching numbers.
  2. Current approaches to AGI focus too much on centralization, which ignores how intelligence naturally develops in a distributed way through social and biological processes.
  3. True understanding isn't just about having tons of information; it's about context and how we learn from our experiences. Intelligence evolves through interaction and adaptation, not through simply stacking data.
Justin E. H. Smith's Hinternet 725 implied HN points 29 Jun 25
  1. AI is changing the way we learn and think, helping us access and absorb more information quickly. This means our ability to understand and process knowledge is growing.
  2. There's a belief that we, as humans, are becoming smarter thanks to our interactions with AI. It's not just machines getting smarter; we are evolving in our thinking too.
  3. The rise of AI makes it feel like we're entering a new age of intelligence, where our minds can integrate vast amounts of knowledge more effectively than ever before.
Common Sense with Bari Weiss 774 implied HN points 23 Jun 25
  1. Using AI tools like ChatGPT can make some tasks easier but may reduce our ability to think deeply. It's similar to how relying on GPS makes people less familiar with routes.
  2. A new research paper suggests that using AI could lower our cognitive effort for tasks, leading to concerns about long-term thinking skills.
  3. Despite the fears about AI making us 'stupid,' the writer believes we're not in a worse situation than before—just be aware of how we use these tools.
Brain Pizza 662 implied HN points 02 Jul 25
  1. Democracy works better when we see each person as a self-governing individual, not just a voter. This means everyone can actively shape their identity and choices in public life.
  2. Mindfulness and how we understand our moral identity help us become better citizens. When people are aware of their values and emotions, they make wiser decisions in a democracy.
  3. Just like democratic institutions can change, so can individuals. By reflecting on our experiences and values, we can build our identities and improve our roles in society.
Working Theorys 485 implied HN points 10 Aug 25
  1. Doomprompting is when we get caught up in endless online prompts and conversations, leading to less deep thinking and creativity. It's like having a machine that constantly suggests ideas but takes away our ability to think for ourselves.
  2. AI tools can help with brainstorming and refining ideas, but they can't replace the core creative thinking that we need to do as humans. Relying too much on AI can weaken our own skills and thought processes.
  3. It's important to seek out tools and partnerships that encourage us to think deeply and struggle with ideas, rather than just making things easy or automatic. Building skills takes time and effort, so we need to balance technology use with personal growth.
The Memory Palace 279 implied HN points 16 Apr 24
  1. Memory palaces are a cool way to remember things by placing images in a familiar space. This method has been used for a long time in cultures that relied on oral storytelling.
  2. Having a strong memory was once a sign of a smart and educated person. Even today, memory competitions highlight how useful these techniques can be for everyone, not just the elite.
  3. Despite technology helping us remember more, memory is still important. Memory palaces encourage us to think about what information we value and want to keep in our minds.
Austin Kleon 1858 implied HN points 04 Apr 23
  1. We don't just think in our heads; our bodies and surroundings also help us think better. Moving around and being in nature can really boost our creativity.
  2. Social interactions play a big role in our thinking. Learning from others and sharing ideas helps us understand what we really know.
  3. Writing things down or mapping out our thoughts helps clear our minds. It's like giving our ideas a space to grow and connect with each other.
Brain Pizza 595 implied HN points 14 Jun 25
  1. Unitary presidential systems focus power in one person, making them prone to too much pressure and stress. This can lead to poor decision-making and inefficiency.
  2. Having just one person making important choices can create problems because they can't handle all the information alone. It’s better to share decisions among many people.
  3. When a single leader has too much responsibility, it can cause delays and mistakes. Spreading the workload can help improve decision-making and outcomes.
Brain Pizza 331 implied HN points 19 Aug 25
  1. Retrieval practice is a powerful way to improve memory. Instead of just reading or highlighting, try recalling information from memory to really reinforce learning.
  2. Many people think they are learning effectively when they aren't. Simply rereading or practicing a skill over and over doesn't help as much as we think.
  3. Feeling some discomfort while learning is okay! It can actually lead to better memory and understanding when we push ourselves out of our comfort zones.
Brain Pizza 331 implied HN points 28 Jul 25
  1. Authority can be confusing when no one person is clearly in charge. It's hard to know who to turn to for decisions or guidance.
  2. The way organizations are structured affects how power and responsibility are shared. A balanced structure can help everyone work better together.
  3. Questions about leadership can highlight gaps in communication within large groups or systems. Finding clear lines of contact is important for success.
Fake Noûs 418 implied HN points 28 Jun 25
  1. Psychopaths lack empathy and see others as tools for their own gain. They cause harm without caring about the pain they inflict.
  2. Social predators are hard to change because they view people as non-player characters in a game. They don't form real connections and thus, therapy usually doesn't work on them.
  3. It’s important to create rules in society that prevent predatory behavior and to avoid interacting with known predators. Reporting their actions is often the best response.
Brain Pizza 1059 implied HN points 21 Dec 24
  1. Aerobic exercise is great for your brain. It helps improve mood, increases brain volume, and boosts cognitive function.
  2. Resistance training is also important. Regular strength workouts can help maintain brain health, especially as we age.
  3. Metabolism is more complex than just calories in and out. Regular exercise and what we eat play big roles in how our body burns energy.
The Ruffian 319 implied HN points 02 Aug 25
  1. Humans have a special way of communicating that's different from other animals. Unlike apes, we have unique brain areas for language, like Broca's and Wernicke's areas, which help us produce and understand speech.
  2. Our ability to speak is not just about having a bigger brain. Instead, it includes inherited instincts like taking turns in conversations and sharing attention, which help us learn language from a young age.
  3. Language skills come from a combination of learned and instinctual behaviors. Children need social connections to develop language, just like baby birds learn to fly by trying and practicing with a supportive environment.
Brain Pizza 397 implied HN points 10 Jun 25
  1. It's important to embrace different perspectives rather than sticking to a single historical narrative. This openness helps societies grow and learn from each other.
  2. Cognitive biases can cloud our views of the world and limit our understanding. To improve, we should recognize these biases and seek out diverse viewpoints.
  3. Instead of aiming for a mythical sense of unity, we should focus on adapting and cooperating with one another. Learning from our differences can lead to better governance and innovation.
normality’s Substack 39 implied HN points 25 Jul 24
  1. Humans create social norms to help detect and punish cheating behavior. These norms act like classifiers that help separate honest mistakes from dishonest actions.
  2. The Knobe effect shows that people often see bad actions as intentional, while good actions are viewed differently. This can lead to inconsistencies in moral judgment based on our understanding of intentions.
  3. It's important to continuously review and update our social norms. When norms fail, they can harm innocent people, so we need to make sure they are fair and effective.
In My Tribe 896 implied HN points 18 Dec 24
  1. We decide what we believe based on who we trust. Trust is built through communication, reputation, and personal connection, even if these aren't always the best indicators.
  2. Status-seeking can sometimes get in the way of truly seeking the truth. People often support ideas or beliefs to look good, rather than because they genuinely believe in them.
  3. Healthy debate and competition of ideas lead to better outcomes. It's important to allow different opinions to be heard and to stay open-minded, even when faced with contrary evidence.