Category Archives: Human Brain

Can Innate IQ Inequalities be Corrected Using Brain Science?

Different human breeding populations evolved on different continents, reacting to disparate environmental conditions in different genetic ways. The outward differences between different breeding populations are obvious. The inward differences — including a stratification by IQ due to differently evolved brains … Continue reading

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A Modern Curse: Depression and Anxiety

Depressive symptoms are common in over 30% of women and 20% of men. Anxiety is seen in over 20% of men and women. Heritability for depression is around 40%, meaning that it often travels in families. Of those with depression, … Continue reading

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Are Humans Losing their Grip on Complex Thinking?

We are animals that specialize in thinking and knowing—in cognition—and our extraordinary cognitive powers have enabled us to do remarkable things. We have transformed our eating habits with agriculture and cooking, and transformed our habitats with buildings, bridges and roads. … Continue reading

Posted in Childhood Development, Education, Human Brain | 4 Comments

Finally an Authentic Approach to Anti-Aging

DNA damage is common to our cells, but when we’re young our bodies can fix it pretty easily. Unfortunately we lose that ability over time, leading to many of the symptoms of aging that we know all too well. A … Continue reading

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This is Mind Control to Major Tom

This is mind control to major Tom, you’ve really made the grade And the papers want to know whose shirts you wear Now it’s time to leave the capsule if you dare This is major Tom to mind control, I’m … Continue reading

Posted in Cognition, Human Brain, satire | Tagged ,

Can A Single Neuron Understand the Whole Brain?

Neuroscientists are beginning to ask themselves: Can a human brain understand the human brain? The sheer amount of descriptive data on the brain being generated in neuroscience labs is terribly daunting — and is being described as “an existential crisis” … Continue reading

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Four Paths to Savant Mental Skills

Savant skills are typically confined to five areas: art, music, calendar calculating, mathematics and mechanical/spatial skills (Treffert 2005). These skills are [ed: in brain-damaged savants] accompanied by an exceptional ability to recall meaningless detail—memory without understanding (Sacks 2007) and a … Continue reading

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Evolution and Human Cognition

Since the split from the chimpanzee lineage, the human brain has increased three-fold in size and has acquired abilities for vocal learning, language and intense cooperation. … the increasing availability of genome sequences from humans, chimpanzees and other primates, as … Continue reading

Posted in Cognition, Evolution, Genetics and Gene Expression, Human Brain | Tagged

Augmenting Human Cognition

It is important to understand that human cognitive ability is strongly influenced by genes — with the genetic influence generally increasing as a person grows older, from about 40% heritability in childhood to roughly 80% heritability in late maturity. Intelligence … Continue reading

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Psychedelic Drugs for PTSD, Depression, Addiction

First Medical Marijuana, Next Medical Psychedelics? Western societies are marching toward a world where the use of psychedelic drugs in medicine will be commonplace. Some of the applications for these drugs are discussed below: In March, the U.S. Food and … Continue reading

Posted in Biomedicine, Human Brain | Tagged | 1 Comment

Stark, Undeniable Differences in the Brains of Men and Women

Perhaps twenty or thirty years ago an educated person might have been excused for denying any differences in structure and function between the brains of human males and human females. But things have changed. … over the past 15 years … Continue reading

Posted in emotions, Human Brain, Sex Differences | Tagged , , | 6 Comments

How to Make a 60 Year Old Brain Work Like a 20 Year Old’s

Theta-gamma nerve coupling between brain regions is key to cognitive functioning Zapping the brains of people over 60 with a mild electrical current improved a form of memory enough that they performed like people in their 20s, a new study … Continue reading

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Adult Neurogenesis, and BDNF

Human brains generate new neurons throughout life. This miracle of lifelong brain regeneration allows lifelong learning, and is driven by complex interacting processes. One of the biological factors that can stimulate the formation of new brain neurons is the neurotrophic … Continue reading

Posted in Cognition, Human Brain | Tagged | 4 Comments

We are Living in an Alzheimer World

We Must Take a More Intelligent Approach to Dementia Emerging evidence suggests that Alzheimer’s-related brain changes may result from a complex interplay among abnormal tau and beta-amyloid proteins and several other factors. It appears that abnormal tau accumulates in specific … Continue reading

Posted in Cognition, Human Brain | Tagged | 1 Comment

Sprucing Up Your Brain With Potent Psychedelics

This figure shows the effects of three psychedelics and one control (VEH) on cortical neurons. … A new study, published June 12 in the journal Cell Reports, found psychedelics, specifically DOI, DMT, and LSD, can change brain cells in rats … Continue reading

Posted in Biomedicine, Human Brain | Tagged | 2 Comments

Rapastinel, AGN-241751, AV-101, Esketamine Wonder Cures?

A Better Cure for Depression? Ketamine analogs are getting a very close look After nearly four decades of dispensing the same mediocre medications to patients with depression, pharmaceutical companies are jazzed about several new drug candidates inspired by the club … Continue reading

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Can Women Really Think?

Clearly, yes, women can really think. But on a statistical basis at the highest levels where progress is made, can elite women perform at the same levels as elite men? Only 48 of 900 Nobel Prizes have been awarded to … Continue reading

Posted in Human Brain, Sex Differences | Tagged , | 7 Comments

Cyborgs and Longevity: Simplification and Redundancy

Simplification, Functionality, and Redundancy Altering man’s bodily functions to meet the requirements of extraterrestrial environments would be more logical than providing an earthly environment for him in space . . . Artifact-organism systems which would extend man’s unconscious, self-regulatory controls … Continue reading

Posted in Biomedicine, Disruptive Technologies, Future, Human Brain | Tagged | 3 Comments

A Warning About Antidepressants

We Already Knew About This: … most of the perpetrators of mass murder over the past fifteen to twenty years had been taking prescription medicines at the time of their killings, and the drugs they had been taking were usually … Continue reading

Posted in Cognition, Human Brain, Medicine | Tagged | 1 Comment

Sex Hormones Determine Male and Female Brain Differences

From Monkeys to Humans, Hormones Shape Brains Scientifically Correct, but Not Politically Correct Prenatal exposure to sex hormones shapes the neonatal brain from the very beginning. Testosterone pouring out of the tiny testicles of male fetuses begins to cause the … Continue reading

Posted in Childhood Development, Cognition, Human Brain, Sex Differences, Testosterone | Tagged , | 1 Comment

Electrical Brain Stimulation and Enhanced Learning

By implanting neural sensor arrays into the brains of monkeys, scientists in Malibu, Montreal, and New York have begun to discover why tDCS electrical brain stimulation seems to boost learning. By measuring the brain’s response to tDCS while in the … Continue reading

Posted in Human Brain, Learning Theory | Tagged , | 1 Comment

Mind the Brain

The better you can understand your brain, the better you can understand your own mind. And understanding your own mind is an open door to self-liberation and freedom. Short of that, every human being is a slave to mindless habits, … Continue reading

Posted in Cognition, Human Brain, Learning Theory, Optimism, Philosophy | Tagged , , | 1 Comment

Startling In Eleven Dimensions: Forever Restless Brain

The Blue Brain Project in Lausanne is opening a new window on the mammalian brain: Multi-dimensional algebraic topology. They are still in the early stages of using this tool, but their discoveries are already startling — in 11 dimensions! According … Continue reading

Posted in Connectome, Discovery, Human Brain | Tagged , | 2 Comments

On the Verge of an AI-pocalypse?

For 70 years we have been told that we are on the verge of a machine apocalypse — the near-total replacement of humans by machines across society. But the gap between the reality and the hype remains wide. Artificial Intelligence: … Continue reading

Posted in Human Brain, Machine Intelligence | Tagged | 2 Comments

How to Think Better

1. Understand deeply 2. Make mistakes 3. Raise questions 4. Follow the flow of ideas 5. Change __ Burger and Starbird, quoted here Note: The following article is adapted from a piece previously published on The Dangerous Child blog How … Continue reading

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