ScienceDaily: Living Well News

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• Radiation from airport scanners: The dose we actually get is low
• Low self-control promotes selfless behavior in close relationships
• Helping SAD sufferers sleep soundly
• Research raises concerns over smoke detectors' effectiveness in waking children
• 'Big givers' get punished for being nonconformists
• Turning off cells in habit-associated brain region prevents rats from learning to run maze on autopilot
• Imagination can change what we hear and see
• Babies can read each other’s moods, study finds
• The power of imitation: Already in infancy, imitation promotes a general pro-social orientation toward others
• Tired and edgy? Sleep deprivation boosts anticipatory anxiety

Radiation from airport scanners: The dose we actually get is low Posted: 27 Jun 2013 12:16 PM PDT A new report has found that people absorb less radiation from airport X-ray backscatter scanner than they do while standing in line waiting for the scan itself.

Low self-control promotes selfless behavior in close relationships Posted: 27 Jun 2013 11:25 AM PDT When faced with the choice of sacrificing time and energy for a loved one or taking the self-centered route, people's first impulse is to think of others, according to new research.

Helping SAD sufferers sleep soundly Posted: 27 Jun 2013 11:25 AM PDT Researchers report that individuals with seasonal affective disorder -- a winter depression that leads to loss of motivation and interest in daily activities -- have misconceptions about their sleep habits similar to those of insomniacs.

Research raises concerns over smoke detectors' effectiveness in waking children Posted: 27 Jun 2013 10:18 AM PDT Standard domestic smoke detectors may not always wake children in the event of a fire, according to new research.

'Big givers' get punished for being nonconformists Posted: 27 Jun 2013 09:56 AM PDT People punish generous group members by rejecting them socially -- even when the generosity benefits everyone -- because the "big givers" are nonconformists, according to a new study.

Turning off cells in habit-associated brain region prevents rats from learning to run maze on autopilot Posted: 27 Jun 2013 09:55 AM PDT Neuroscientists have now shown that they can prevent habits from taking root. Our daily routines can become so ingrained that we perform them automatically, such as taking the same route to work every day. Some behaviors, such as smoking or biting your fingernails, become so habitual that we can't stop even if we want to.

Imagination can change what we hear and see Posted: 27 Jun 2013 09:51 AM PDT Our imagination may affect how we experience the world more than we perhaps think. What we imagine hearing or seeing "in our head" can change our actual perception. The study sheds new light on a classic question in psychology and neuroscience -- about how our brains combine information from the different senses.

Babies can read each other’s moods, study finds Posted: 27 Jun 2013 07:28 AM PDT Research shows that babies can understand each others emotional signals at five months of age. This study comes on the heels of research on infants' ability to understand the moods of dogs, monkeys and classical music.

The power of imitation: Already in infancy, imitation promotes a general pro-social orientation toward others Posted: 27 Jun 2013 05:30 AM PDT Being mimicked increases pro-social behavior in adults, yet little is known about its social effect on children. Researchers in Germany have now investigated whether the fact of being imitated had an influence on infants' pro-social behavior and on young children's trust in another person.

Tired and edgy? Sleep deprivation boosts anticipatory anxiety Posted: 26 Jun 2013 11:30 AM PDT Researchers have found that a lack of sleep, which is common in anxiety disorders, may play a key role in ramping up the brain regions that contribute to excessive worrying. The results suggest that people suffering from such maladies as generalized anxiety disorder, panic attacks and post-traumatic stress disorder, may benefit substantially from sleep therapy.

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