How CIA Director David Petraeus's Emails Were Traced (and How to Protect Yourself) How to Really Browse Without Leaving a Trace. Everyone's Trying to Track What You Do on the Web: Here's How to Stop Them. Browse Like Bond: Use Any Computer Without Leaving a Trace with Tails. Online Privacy Test - Check Your Internet Anonymity and Privacy. StayInvisible Catalogs Free Proxy Servers to Keep You Anonymous. StayInvisible Analyzes Your Online Privacy and Anonymity.
Toxic and Nutritional Disorders of Myelin - Basic Neurochemistry - NCBI Bookshelf. In social isolation, brain makes less myelin. U.
BUFFALO (US) — The brains of socially isolated animals make less myelin, the critical material that wraps the axons of neurons. The researchers say the findings, reported in the journal Nature Neuroscience, indicate that neurons aren’t the only brain structures that undergo changes in response to an individual’s environment and experience. The paper notes that changes in the brain’s white matter, or myelin, have been seen before in psychiatric disorders, and demyelinating disorders have also had an association with depression. Recently, myelin changes were also seen in very young animals or adolescents responding to environmental changes.
Isolation and Loneliness. “Why Do I Feel Isolated?”
How to Understand and Overcome Loneliness and Isolation. The Neuron. It is clear that most of what we think of as our mental life involves the activities of the nervous system, especially the brain.
This nervous system is composed of billions of cells, the most essential being the nerve cells or neurons. There are estimated to be as many as 100 billion neurons in our nervous system! Spinal cord neuron A typical neuron has all the parts that any cell would have, and a few specialized structures that set it apart. The main portion of the cell is called the soma or cell body. Neurons have a large number of extensions called dendrites. Explore more. Web pages, photos, and videos. The Hidden Brain. Sitting in a darkened lab at the National Institutes of Health in 1999, my colleague Beth Stevens and I prepared to send a mild electric current through fetal mouse neurons in a cell culture.
We were using a new microscope technique that would let us see electrical activity as a bright fluorescence emitted from a dye we had added to the culture, and we were hoping to find out if another kind of cell common in the nervous system would react in some way—Schwann cells, odd-looking cells that fabricate insulation around neurons. We didn’t really expect them to; Schwann cells cannot communicate electrically. The Basics of C Programming" The previous discussion becomes a little clearer if you understand how memory addresses work in a computer's hardware.
If you have not read it already, now would be a good time to read How Bits and Bytes Work to fully understand bits, bytes and words. All computers have memory, also known as RAM (random access memory). For example, your computer might have 16 or 32 or 64 megabytes of RAM installed right now. RAM holds the programs that your computer is currently running along with the data they are currently manipulating (their variables and data structures). Memory can be thought of simply as an array of bytes. Kundenrezensionen: The Shock Doctrine: The Rise of Disaster Capitalism. Internationale Finanz-Corporation. Ten ways to keep your brain full size and full strength. What do your favorite wool sweater, your retirement savings account and your brain have in common?
They're all better off if they don't shrink! But the brains of millions of Americans with slightly elevated blood sugar levels are at risk for just that. One study making headlines found that even a little extra blood glucose shrivels gray matter. Seems the hippocampus (memories) and amygdala (thinking) areas of the brain grew smaller in women and men whose blood sugar was in the prediabetes range, about 110 mg/dL on a fasting blood sugar test. Know Your Neurons: How to Classify Different Types of Neurons in the Brain’s Forest. Previously, on Know Your Neurons:Chapter 1: The Discovery and Naming of the Neuron Chapter 2: How to Classify Different Types of Neurons, or The Dendrology of the Neuron Forest Scientists have organized the cells that make up the nervous system into two broad groups: neurons, which are the primary signaling cells, and glia, which support neurons in various ways.
The human brain contains around 100 billion neurons and, by most estimates, somewhere between 10 to 50 times as many glial cells. Greenwall_report. Hacking the Human Brain: The Next Domain of Warfare. This Scientist Wants Tomorrow's Troops to Be Mutant-Powered. Andrew Herr in Mongolia.
Photo: via Andrew Herr Greater strength and endurance. Enhanced thinking. Military Must Prep Now for 'Mutant' Future, Researchers Warn. Lockheed Martin tests its Human Universal Load Carrier exoskeleton.
Photo: Lockheed Martin The U.S. military is already using, or fast developing, a wide range of technologies meant to give troops what California Polytechnic State University researcher Patrick Lin calls “mutant powers.” Greater strength and endurance. 47 Mind-Blowing Psychological Facts You Should Know About Yourself. I’ve decided to start a series called 100 Things You Should Know about People.
Top 10 Common Faults In Human Thought. Humans The human mind is a wonderful thing. Low-Effort Thought Promotes Political Conservatism. The authors test the hypothesis that low-effort thought promotes political conservatism. In Study 1, alcohol intoxication was measured among bar patrons; as blood alcohol level increased, so did political conservatism (controlling for sex, education, and political identification). In Study 2, participants under cognitive load reported more conservative attitudes than their no-load counterparts.
In Study 3, time pressure increased participants’ endorsement of conservative terms. In Study 4, participants considering political terms in a cursory manner endorsed conservative terms more than those asked to cogitate; an indicator of effortful thought (recognition memory) partially mediated the relationship between processing effort and conservatism. 10 More Common Faults in Human Thought. Humans. Top 10 Thinking Traps Exposed — How to Foolproof Your Mind, Part II.
In the first part of this article, we focused on 5 traps that hinder our ability to think rationally. As a quick recap, we discussed: The Anchoring Trap: Over-Relying on First ThoughtsThe Status Quo Trap: Keeping on Keeping OnThe Sunk Cost Trap: Protecting Earlier ChoicesThe Confirmation Trap: Seeing What You Want to SeeThe Incomplete Information Trap: Review Your Assumptions Now it’s time to complete the list and expose the remaining 5 dangerous traps to be avoided. Heuristics: Cognitive Rules of Thumb. 15 Styles of Distorted Thinking. Your Evolved Intuitions. The Ten Most Revealing Psych Experiments.
Psychology is the study of the human mind and mental processes in relation to human behaviors - human nature. Due to its subject matter, psychology is not considered a 'hard' science, even though psychologists do experiment and publish their findings in respected journals. 5 Logical Fallacies That Make You Wrong More Than You Think. 5 Logical Fallacies That Make You Wrong More Than You Think. The Internet has introduced a golden age of ill-informed arguments. 5 Logical Fallacies That Make You Wrong More Than You Think. How to Avoid the Natural Reactions that Prevent Good Decision Making. 10 Practical Uses For Psychological Research in Everyday Life. What Lying Actually Does to Your Brain and Body Every Day. Adam Green: The Spectacular Thefts of Apollo Robbins, Pickpocket. The 12 cognitive biases that prevent you from being rational.
Globalise Resistance. Dissident Voice. A group of randomly selected citizens, engaged in a new kind of polling developed at Stanford, gathers this weekend to tackle California's problems. June 22, 2011. Tell Coca-Cola to STOP the VIOLENCE! SAB, Absurdities.
100 Incredible Lectures from the World's Top Scientists. Posted on Thursday June 18, 2009 by Staff Writers. How the Stock Market and Economy Really Work - Kel Kelly. 16 Things I Wish They Had Taught Me in School.