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alex walters

Teen Brains' Growing Pains - Science News - 0 views

www.sciencenews.org/...Teen_brains_growing_pains

shared by alex walters on 22 Oct 11 - No Cached
  • alex walters on 22 Oct 11
     
    Striking changes are possible in IQ and neuroanatomy, study finds Web edition : Wednesday, October 19th, 2011 The roller-coaster teenage years can take IQs along for the ride. A person's IQ can nosedive and climb sky-high during adolescence, while corresponding brain regions wax and wane in bulk, researchers report online October 19 in Nature.
Marquise Middleton

Night Lights May Foster Depression - Science News - 0 views

www.sciencenews.org/...t_lights_may_foster_depression

shared by Marquise Middleton on 24 Jul 12 - No Cached
  • Marquise Middleton on 24 Jul 12
     
    Night lights may foster depression Chronic dim light triggers temporary brain changes in animals Psychiatrists sometimes prescribe light therapy to treat a form of depression in people who get too little morning sun. But too much light at other times may actually trigger such mood disorders.
Damonte Johnson

News : New study provides guidelines for safe levels of iPod listening - 1 views

www.deafnessresearch.org.uk/els+of+iPod+listening+3211.twl

study news iPod deafness

shared by Damonte Johnson on 30 Jun 10 - Cached
  • The study, by researchers at the University of Colorado at Boulder and Children's Hospital in Boston, indicates a typical person can safely listen to an iPod for 4.6 hours per day at 70 percent volume using stock earphones, according to Cory Portnuff, a doctoral researcher in CU-Boulder's speech language and hearing sciences department.
  • The researchers found that listening to music at full volume through an iPod for more than five minutes a day using stock earphones can increase the risk of hearing loss in a typical person
  • Typical individuals can tolerate about two hours a day of a decibel unit known as 91-dBA before risking hearing loss, Portnuff said. The term dBA stands for "A-weighted decibels, a scale that takes into account that the human ear has different sensitivities to different frequency levels,"
  • ...2 more annotations...
  • Loud sounds can stress and potentially damage delicate hair cells in the inner ear that convert mechanical vibrations, or sound, to electrical signals that the brain interprets as sound. "Over time, the hair cells can become permanently damaged and no longer work
  • No one set of earphones is more dangerous than another," he said. "While isolator style earphones are capable of producing higher levels of sound than earbuds, most people use them at a lower volume than earbuds because they block out background noise. It's important to monitor the level of volume control settings."
  • Damonte Johnson on 30 Jun 10
     
    Website specifically on iPod vollume levels. It was a study done back in 2006 but with the new iPods with louder music it can only get worse.
Korry Busch

TEDtalk-Michael Shermer: The pattern behind self-deception - 0 views

www.ted.com/...ern_behind_self_deception.html

coginitive science psychology mind brain science belief video TEDtalk

shared by Korry Busch on 13 Jul 10 - Cached
  • Korry Busch on 13 Jul 10
     
    Michael Shermer says the human tendency to believe strange things -- from alien abductions to dowsing rods -- boils down to two of the brain's most basic, hard-wired survival skills. He explains what they are, and how they get us into trouble.
Andrew Flachs

Neurologists Paint Grim Picture Of 'Madden' Football's Long-Term Effect On Players' Bra... - 0 views

www.theonion.com/...cture-of-madden-football,19885

shared by Andrew Flachs on 22 Jun 11 - No Cached
  • Andrew Flachs on 22 Jun 11
     
    football
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