13 Articles with the topic: Psychology & Behavior Sciences
Social Interactions Can Alter Gene Expression in Brain, and Vice Versa
piggy submitted, created time 2 weeks 1 hour (www.sciencedaily.com)
ScienceDaily (Nov. 7, 2008) — Our DNA determines a lot about who we are and how we play with others, but recent studies of social animals (birds and bees, among others) show that the interaction between genes and behavior is more of a two-way street than most of us realize.
This is not a new idea to neuroscience, but one that is gaining strength, said University of Illinois entomology and neuroscience professor Gene Robinson, lead author of a review on the subject this week in the journal Science 
Strong Education Blunts Effects of Alzheimer's Disease, Study Suggests
piggy submitted, created time 1 week 2 days (www.sciencedaily.com)
A test that reveals brain changes believed to be at the heart of Alzheimer's disease has bolstered the theory that education can delay the onset of the dementia and cognitive decline that are characteristic of the disorder.
Scientists at the Alzheimer's Disease Research Center at Washington University School of Medicine in St. Louis found that some study participants who appeared to have the brain plaques long associated with Alzheimer's disease still received high scores on tests of their cognitive ability
Depression and the Nobel Prize
sea-maid submitted, created time 4 weeks 19 hours (well.blogs.nytimes.com)
Anyone who has struggled with depression—either in themselves or a loved one—will be moved by the story of Douglas C. Prasher.
Dr. Prasher, who now drives a courtesy van for a car dealer, abandoned a life of scientific research years ago. Trained as a biochemist, Dr. Prasher has struggled over the years with bouts of depression.
His story wouldn’t be notable except for a startling fact: his early research led to a Nobel Prize-winning discovery about the inner workings of living cells. Dr
Economics: In defense of Smith--it's not like he didn't warn us
Darkfrog submitted, created time 3 weeks 21 hours (www.nature.com)
I really liked reading this article. Ostensibly, it's about how all the pro economists know that there are flaws in the traditional economic models, but because no one talks about them to intro students or in the media. Even undergraduate economics students are taught the traditional models in their basic classes, but they graduate and go into financial professions without anyone ever mentioning the points at which these models fail to work.
The public is left to assume that the models are wrong and that the economists must have some spooky ulterior motive
Bradley Effect abstains from 2008 election
Darkfrog submitted, created time 2 weeks 19 hours (www.nytimes.com)
This year's election day showed record turnout among voters, but there was one factor that didn't show up at the polls: The Bradley Effect.
The Bradley Effect is a phenomenon that occurs when a black or other minority candidate runs for political office. The idea is that more people will be willing to vote against a minority candidate in the privacy of the voting booth than will be willing to admit it to pollsters face-to-face. It is named after a Tom Bradley, a black Californian who lost the 1982 race for governor despite polls predicting that he would win
Computer game "Spore" has Darwin doing stupid creature befriending dance in his grave!
Darkfrog submitted, created time 1 week 6 days (www.sciencemag.org)
The makers of the computer game "Spore" promise a real evolutionary experience: Start out the game as a microbe just trying to survive and travel all the way through the history of evolution into a species capable of a modern, civilized society! Depending on the choices the player makes early on in the game, the later species can have a seemlingly limitless range of fascinating, monstrous forms
sea-maid submitted, created time 1 week 5 days (sciencenow.sciencemag.org)
When it comes to the neurobiology of memory, the hippocampus typically gets most of the credit. But although this brain region is crucial for recording new memories, like the name of someone you just met at a bar, people with a damaged hippocampus can still recall memories from days of old. Many neuroscientists believe this is because lasting memories get shifted to the cerebral cortex for permanent storage. Little is known about how this might happen, but a study in today's issue of Science provides some clues.
Walks through the trees help ADD students concentrate ...scientists aren't sure why
Darkfrog submitted, created time 4 weeks 2 days (well.blogs.nytimes.com)
For some time, the parents of schoo-aged children with attention deficit disorder and attention deficit hyperactivity disorder have been reporting that allowing children to spend some time outside helps them concentrate, and the effect lasts.
A carefully controlled study out of the University of Illinois at Urbana-Champaign confirms it. Students were separated into groups and taken on twenty-minute walks through either the park, a downtown area or a suburban area. Nothing else was ever changed, not the time of day, not the composition of the groups
The psychology of voting when the vote "doesn't count."
Darkfrog submitted, created time 2 weeks 2 days (www.nytimes.com)
On this fine election day, I've found an article in the New York Times' science section on the psychology of voting and group behavior. In a departure, it is not an examination of what drives people to vote one way or the other; it's about what drives people to vote at all. It's a question that crops up every election year: "If my vote doesn't count, then why should I bother?"
There are lots of people who feel as though their votes don't count. Some people blame the elctoral system: If my state always goes red anyway, then my blue vote doesn't count
Psychiatry has a new theory of genes and behavior: Genetic tug-of-war determines brain development
Darkfrog submitted, created time 1 week 1 day (www.nytimes.com)
In what the New York Times calls a "creative" interpretation of recent findings about the nature of DNA, two scientists, biologist Bernard Crespi of Fraser University and sociologist Christopher Badcock of the London school of economics, have come up with a new idea of how mental disorders develop and how genes fit into the whole thing:
"Their idea is, in broad outline, straightforward. Dr. Crespi and Dr. Badcock propose that an evolutionary tug of war between genes from the father’s sperm and the mother’s egg can, in effect, tip brain development in one of two ways
Antidepressant treatment may reduce male fertility
piggy submitted, created time 1 week 1 day (www.reuters.com)
Treatment with paroxetine (Paxil), which belongs to the selective serotonin reuptake inhibitor (SSRI) class of antidepressant drugs, increases DNA fragmentation in sperm, according to research presented today at the sixty-fourth annual meeting of the American Society for Reproductive Medicine in San Francisco.
Although the study did not directly evaluate male fertility, the fivefold increase in the number of men who developed abnormal sperm DNA while being treated with paroxetine is "troubling" and "suggests an adverse effect on fertility," co-investigator Dr
Physical and Interpersonal Warmth Linked
piggy submitted, created time 3 weeks 2 days (www.sciencedaily.com)
ScienceDaily (Oct. 27, 2008) — Do people trust others more when they experience physical warmth? That's the theory of CU-Boulder Assistant Professor Lawrence E. Williams, who says simply handling a hot cup of coffee can change one's attitude toward a stranger.
In a paper published in the Oct. 24 issue of Science, Williams details a study he conducted with Yale University's John A. Bargh that shows a link between the way unsuspecting subjects rated a hypothetical person's personality and whether or not they had held a warm or cold beverage just prior to the test.
Is marital infidelity up or do we just talk about it more?
Darkfrog submitted, created time 3 weeks 2 days (www.nytimes.com)
Studies over the past few decades have shown married women closing "the infidelity gap." Female cheaters don't outnumber male ones just yet, but they're getting there. The question, though, is this: Are women cheating (proportionately) more than they did or are they just more willing to admit it on an anonymous survey? This study suggests the latter.
It also chronicles changes in the rate of marital infidelity, also called adultery in more archaic settings. Aside from more young married women cheating on their partners, the most striking result is that more older people are involved
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