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Why our human brains are awesome, and how we left our cousins, the great apes, behind: a tale of neurons and calories, and cooking. Humans are awesome. Our brains are gigantic, seven times larger than they should be for the size of our bodies. The human brain uses 25% of all the energy the body requires each day. And it became enormous in a very short amount of time in evolution, allowing us to leave our cousins, the great apes, behind. So the human brain is special, right? Wrong, according to Suzana Herculano-Houzel. Humans have developed cognitive abilities that outstrip those of all other animals, but not because we are evolutionary outliers. The human brain was not singled out to become ...
A neuroscientist reveals unique aspects of decision making and the best strategies for protecting and enhancing the brain’s ability to navigate life’s uncertainties Contingency calculations—the ability to predict the outcomes of decisions and actions—are critical for survival and success. Our amazing brains continually process past and current experiences to enable us to make the most adaptive choices. But when the brain’s information systems are compromised—by such varying conditions as drug addiction, poverty, mental illness, or even privilege—we can lose the ability to arrive at informed decisions. In this engaging book, behavioral neuroscientist Kelly Lambert explores a var...
Why the race to apply AI in psychiatry is so dangerous, and how to understand the new tech-driven psychiatric paradigm. AI psychiatrists promise to detect mental disorders with superhuman accuracy, provide affordable therapy for those who can’t afford or can’t access treatment, and even invent new psychiatric drugs. But the hype obscures an unnerving reality. In The Silicon Shrink, Daniel Oberhaus tells the inside story of how the quest to use AI in psychiatry has created the conditions to turn the world into an asylum. Most of these systems, he writes, have vanishingly little evidence that they improve patient outcomes, but the risks they pose have less to do with technological shortcom...
Fabio's adventures up to age of fourteen. Growing up in the most beautiful part of Italy after World War Two. Being prepared for work at a tender age. Having to do things at the age of four for my baby brother was the first duty I was taught. How the jobs I had to do became constantly more and more. Even if some of them were pleasant duties, it did hinder me from playing. At the age of seven, I was led away from home to earn my living. I ended up with a strange family and had to work from five in the mornings till late at night. Working on farms with animals was a seven-day-a-week job. I didn't even get the whole Sunday to myself. The animals had to be fed and led to the fountain even on Sun...
Sex and Gender: A Contemporary Reader is a much-needed exploration of the relationship between sex, gender and gender identity. Its multidisciplinary approach provides fascinating perspectives from the sciences, social sciences and humanities, as well as biology, neuroscience, medicine, law, sociology and English literature. The 15 chapters are original contributions, authored by scholars who are leaders in their respective fields. This thought-provoking collection offers significant methodological, theoretical and empirical insights into one of the most fraught debates in contemporary politics and academia. It provides a broad-ranging introduction to the issues central to questions about ho...
How developments in science and technology may enable the emergence of purely digital minds—intelligent machines equal to or greater in power than the human brain. What do computers, cells, and brains have in common? Computers are electronic devices designed by humans; cells are biological entities crafted by evolution; brains are the containers and creators of our minds. But all are, in one way or another, information-processing devices. The power of the human brain is, so far, unequaled by any existing machine or known living being. Over eons of evolution, the brain has enabled us to develop tools and technology to make our lives easier. Our brains have even allowed us to develop compute...
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This volume of Progress in Brain Research provides a synthetic source of information about state-of-the-art research that has important implications for the evolution of the brain and cognition in primates, including humans. This topic requires input from a variety of fields that are developing at an unprecedented pace: genetics, developmental neurobiology, comparative and functional neuroanatomy (at gross and microanatomical levels), quantitative neurobiology related to scaling factors that constrain brain organization and evolution, primate palaeontology (including paleoneurology), paleo-anthropology, comparative psychology, and behavioural evolutionary biology. Written by internationally-...
A philosopher calls for a revolution in ethics, suggesting we expand our “moral circle” to include insects, AI systems, and even microbes. Today, human exceptionalism is the norm. Despite occasional nods to animal welfare, we prioritize humanity, often neglecting the welfare of a vast number of beings. As a result, we use hundreds of billions of vertebrates and trillions of invertebrates every year for a variety of purposes, often unnecessarily. We also plan to use animals, AI systems, and other nonhumans at even higher levels in the future. Yet as the dominant species, humanity has a responsibility to ask: Which nonhumans matter, how much do they matter, and what do we owe them in a wor...
How the cerebral cortex operates near a critical phase transition point for optimum performance. Individual neurons have limited computational powers, but when they work together, it is almost like magic. Firing synchronously and then breaking off to improvise by themselves, they can be paradoxically both independent and interdependent. This happens near the critical point: when neurons are poised between a phase where activity is damped and a phase where it is amplified, where information processing is optimized, and complex emergent activity patterns arise. The claim that neurons in the cortex work best when they operate near the critical point is known as the criticality hypothesis. In th...