Mark

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A peculiar prevalence of p-values

<b>A peculiar prevalence of p-values</b><p>Now whats a p-value? In laymans terms, it is a number saying that a particular hypothesis ("All sheeps are black", "All math teachers are jerks", "Aspirin helps against cancer", etc) is not completely bats... crazy. It roughly goes like this. You make up a hypothesis (see above) that you really do not like, and you gather some data (e.g. some sheep, or some math teachers). The p-value corresponding to this hypothesis and this data set then tells you how probable …

10 Psychological Experiments That Could Never Happen Today

Nowadays, the American Psychological Association has a Code of Conduct in place when it comes to ethics in psychological experiments. Experimenters …

Psychology

The Feynman Lectures on Physics

Contributions from many parties have enabled and benefitted the creation of the HTML edition of <i>The Feynman Lectures on Physics</i>. We wish to …

Evolution Heresy? Epigenetics Underlies Heritable Plant Traits

AAAS login provides access to <i>Science</i> for AAAS members, and access to other journals in the <i>Science</i> family to users who have purchased individual …

Epigenetics

Psychotherapy a Powerful Tool to Fight Depression, Studies Show

Why psychosis strikes some family members and not others - Futurity

People with psychotic illness show similar brain changes to immediate family members who present no …

The Psychiatric Drug Crisis

It’s been just over twenty-five years since Prozac came to market, and more than twenty per cent of Americans now regularly take mind-altering drugs prescribed by their doctors. Almost as familiar as brands like Zoloft and Lexapro is the worry about what it means that the daily routine in many …

Alcohol Disrupts Brain Links That Help Read Social Cues

Alcohol intoxication reduces the communication between the two areas of the brain that work together to properly interpret and respond to social …

The 20 big questions in science

From the nature of the universe (that's if there is only one) to the purpose of dreams, there are lots of things we still don't know – but we might do soon. A new book seeks some answers<p>1 What is the universe made of?<p>Astronomers face an embarrassing conundrum: they don't know what 95% of the …

Outgrowing autism? Study looks at why some kids 'bloom'

Karen Melville remembers when her son Danny was diagnosed with autism so severe that his doctor feared he might never even talk, much less go to school. “It was like a freight train hit,” said Melville, a 39-year-old mother of two who lives in Brunswick, Ohio.<p>Five years of intensive therapy have …

Autism

Stop the Mama Drama & Coach Your Kids to Manage Conflict

<b>Mama Drama occurs when parents unnecessarily engage other parents to resolve the social dilemmas of their children.</b> (Of course, Papa Drama exists as …

Abraham Maslow and the pyramid that beguiled business

<b>The psychologist Abraham Maslow's theory of human motivation is 70 years old but continues to have a strong influence on the world of business. What is it, and is it right?</b><p>There is a commonly reproduced symbol which many believe holds the secret to personal fulfilment and business success.<p>It …

Behavioral Sciences

Emotional Intelligence: Components and Emotional Competence Frameworks (Part-2)

In my last post on emotional intelligence I tried to give an overview of emotional intelligence. In this post I will try to gone through the …

How Consciousness Works

3 Ways To Save Psychotherapy

People have been turning away from psychotherapy in favor of medication for years, despite the evidence that therapy works. Here are a few tips for improving the industry's image.<p>The subtle art of lying on a therapist's couch is in rapid decline. Psychotherapy, the traditional one-on-one weekly …

Gut feelings: the future of psychiatry may be inside your stomach

Her parents were running out of hope. Their teenage daughter, Mary, had been diagnosed with a severe case of obsessive–compulsive disorder (OCD), as well as ADHD. They had dragged her to clinics around the country in an effort to thwart the scary, intrusive thoughts and the repetitive behaviors …

Grandma's Experiences Leave Epigenetic Mark on Your Genes

Grandma's Experiences Leave a Mark on Your Genes<p>Your ancestors' lousy childhoods or excellent adventures might change your personality, bequeathing …

What Twins Reveal About The Science Of Faith

Studies of twins suggest that faith is influenced by genes.<p>I am frequently asked by journalists to recall the most surprising finding of our twin studies. The study of religion and belief in God is the one that always comes to mind, and the results are not easily accepted by many people. Most …

A new way of thinking about how the brain works

Modern neuroscience is based on the discovery of the neuron, but this is only half the story<p>My book, <i>50 Human Brain Ideas You Really Need to Know</i>, is out now, and is available at a discount price from Amazon and the <i>Guardian</i> bookshop. (And here's a lovely review by Vaughan Bell, who calls it "a …

Bridging the Gap Between Undergraduate Education and Research

<i>This is the first weekly student post on our relaunched PLOS Student Blog. Read about the blog’s purpose and scope on SciEd.</i><p>Undergraduate science …

Artificial Chromosomes: Care for a Pair?

<b>Artificial Chromosomes: Care for a Pair?</b><p>⌘ How about a new pair of chromosomes to add to the 23 pairs you already own? They make a great vehicle to insert new genes to reprogram cells, to replace defective or damaged genes. Current forms of gene therapy use modified viruses to deliver a stripped down version of a gene into cells. But these minigenes are hard to control. They may insert randomly into the chromosome and disrupt some essential function (“insertional mutagenesis”), trigger undesired …

Brain Chemistry Altered by Early Life Experience (Part 1)

There was a fascinating article that recently showed up on NBC News.com on June 2. It dealt with the overarching concept of resiliency possibly being …

Emergence of Individuality in Genetically Identical Mice

More options<p>Download and print this article for your personal scholarly, research, and educational use.<p>Buy a single issue of <i>Science</i> for just $15 USD.

Children whose mothers had flu while pregnant may be at higher risk of bipolar disorder

Children whose mothers were diagnosed with the common flu during pregnancy had as much as a four times greater risk of developing bipolar disorder later in life than children born to mothers who did not have the flu during pregnancy, according to a study of 214 people born between 1955 and 1966 in …

How Identical Twins Develop Different Personalities - D-brief

By Lisa Raffensperger | May 9, 2013 1:13 pm<p>Why are you who you are? At a simple level, biology says you’re a product of your genes and your …