Ramblings & ephemera

Why we get disoriented in malls

From Wikipedia’s “Gruen transfer” (28 September 2009):
In shopping mall design, the Gruen transfer refers to the moment when consumers respond to “scripted disorientation” cues in the environment. It is named for Austrian architect Victor Gruen (who disavowed such manipulative techniques) …
The Gruen transfer refers to the moment when a consumer enters a shopping mall, and, [...]

Girls & boys & brain chemicals

photo credit: Oude School
From John Cloud’s “Why Girls Have BFFs and Boys Hang Out in Packs” (TIME: 17 July 2009):
For the better part of the past half-century, feminists, their opponents and armies of academics have debated the differences between men and women. Only in the past few years have scientists been able to [...]

All about freezing to death

photo credit: State Library of New South Wales collection
From Peter Stark’s “As Freezing Persons Recollect the Snow–First Chill–Then Stupor–Then the Letting Go” (Outside: January 1997):
There is no precise core temperature at which the human body perishes from cold. At Dachau’s cold-water immersion baths, Nazi doctors calculated death to arrive at around 77 degrees Fahrenheit. [...]

A better alternative to text CAPTCHAs

From Rich Gossweiler, Maryam Kamvar, & Shumeet Baluja’s “What’s Up CAPTCHA?: A CAPTCHA Based On Image Orientation” (Google: 20-24 April 2009):

There are several classes of images which can be successfully oriented by computers. Some objects, such as faces, cars, pedestrians, sky, grass etc.

Many images, however, are difficult for computers to orient. For example, indoor scenes [...]

Extreme male brains

From Joe Clark’s “The extreme Google brain” (Fawny: 26 April 2009):
… Susan Pinker’s The Sexual Paradox, which explains, using scientific findings, why large majorities of girls and women behave almost identically at different stages of their lives – while large minorities of boys and men show vast variability compared to each other and to male [...]

The hard truths science reveals

From Steven Weinberg’s “Without God” (The New York Review of Books: 25 September 2008):
Worse, the worldview of science is rather chilling. Not only do we not find any point to life laid out for us in nature, no objective basis for our moral principles, no correspondence between what we think is the moral law and [...]

Why we can easily remember jingles but not jokes

From Natalie Angier’s “In One Ear and Out the Other” (The New York Times: 16 March 2009):

In understanding human memory and its tics, Scott A. Small, a neurologist and memory researcher at Columbia, suggests the familiar analogy with computer memory.
We have our version of a buffer, he said, a short-term working memory of limited scope [...]

How the fundamentalist thinks

From ScienceDaily’s “Brain Differences Found Between Believers In God And Non-believers” (5 March 2009):
In two studies led by Assistant Psychology Professor Michael Inzlicht, participants performed a Stroop task – a well-known test of cognitive control – while hooked up to electrodes that measured their brain activity.
Compared to non-believers, the religious participants showed significantly less activity [...]

The color of the TV you watch determines the color of your dreams

From Richard Alleyne’s “Black and white TV generation have monochrome dreams” (The Telegraph: 17 October 2008):
New research suggests that the type of television you watched as a child has a profound effect on the colour of your dreams.
While almost all under 25s dream in colour, thousands of over 55s, all of whom were brought up [...]

Chemically remove bad memories

From Nicholas Carr’s “Remembering to forget” (Rough Type: 22 October 2008):
Slowly but surely, scientists are getting closer to developing a drug that will allow people to eliminate unpleasant memories. The new issue of Neuron features a report from a group of Chinese scientists who were able to use a chemical – the protein alpha-CaM kinase [...]

Gottman on relationships

From THE MATHEMATICS OF LOVE: A Talk with John Gottman (Edge: 14 April 2004):
So far, his surmise is that “respect and affection are essential to all relationships working and contempt destroys them. It may differ from culture to culture how to communicate respect, and how to communicate affection, and how not to do it, but [...]

How it feels to drown, get decapitated, get electrocuted, and more

From Anna Gosline’s “Death special: How does it feel to die?” (New Scientist: 13 October 2007):
Death comes in many guises, but one way or another it is usually a lack of oxygen to the brain that delivers the coup de grâce. Whether as a result of a heart attack, drowning or suffocation, for example, people [...]

Hallucinating the presence of the dead

From Vaughan Bell’s “Ghost Stories: Visits from the Deceased” (Scientific American: 2 December 2008):
The dead stay with us, that much is clear. They remain in our hearts and minds, of course, but for many people they also linger in our senses—as sights, sounds, smells, touches or presences. Grief hallucinations are a normal reaction to bereavement [...]

A Russian man with perfect memory

From Jonah Lehrer’s “Hell is a Perfect Memory” (The Frontal Cortex: 2 December 2008):
This isn’t the first case report of a person with perfect memory. In the masterful The Mind of A Mnemonist, the Soviet neurologist A.R. Luria documented the story of a Russian newspaper reporter, D.C. Shereshevskii, who was incapable of forgetting. For example, [...]

A woman who never forgets anything

From Samiha Shafy’s “An Infinite Loop in the Brain” (Der Spiegel: 21 November 2008):
Price can rattle off, without hesitation, what she saw and heard on almost any given date. She remembers many early childhood experiences and most of the days between the ages of 9 and 15. After that, there are virtually no gaps in [...]

How con artists use psychology to work

From Paul J. Zak’s “How to Run a Con” (Psychology Today: 13 November 2008):
When I was in high school, I took a job at an ARCO gas station on the outskirts of Santa Barbara, California. At the time, I drove a 1967 Mustang hotrod and thought I might pick up some tips and cheap parts [...]

50% of people infected with personality-changing brain parasites from cats

From Carl Zimmer’s “The Return of the Puppet Masters” (Corante: 17 January 2006):
I was investigating the remarkable ability parasites have to manipulate the behavior of their hosts. The lancet fluke Dicrocoelium dendriticum, for example, forces its ant host to clamp itself to the tip of grass blades, where a grazing mammal might eat it. It’s [...]

10,000 hours to reach expertise

From Malcolm Gladwell’s “A gift or hard graft?” (The Guardian: 15 November 2008):

This idea – that excellence at a complex task requires a critical, minimum level of practice – surfaces again and again in studies of expertise. In fact, researchers have settled on what they believe is a magic number for true expertise: [...]

Correcting wrong info reinforces false beliefs

From Jonathan M. Gitlin’s “Does ideology trump facts? Studies say it often does” (Ars Technica: 24 September 2008):
We like to think that people will be well informed before making important decisions, such as who to vote for, but the truth is that’s not always the case. Being uninformed is one thing, but having a population [...]

Interesting psychological disorders

From Lauren Davis’ “Delusion or Alien Invasion? Disorders That Make Life Seem Like Scifi” (io9: 27 September 2008):
Capgras Delusion: You believe a loved one has been replaced with an exact duplicate.

Reduplicative Paramnesia: You believe that a place or location has been moved to another site, or has been duplicated and exists in two places simultaneously.

Alien [...]