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Losing sleep undoes the rejuvenating effects new learning has on the brain
Sleep deprivation impairs spatial learning - including remembering how to get to a new destination. And now scientists are beginning to understand how that happens   view more (2006-01-09)

Some animals won't adapt to climate change
In a fascinating study appearing in the November issue of The American Naturalist, biologists investigated the response of small animals to climate change on a remote sub-Antarctic Island.   view more (2006-11-14)

UF scientists trace origin of shark's electric sense
Sharks are known for their almost uncanny ability to detect electrical signals while hunting and navigating.   view more (2006-02-07)

Multi-tasking adversely affects brain's learning, UCLA psychologists report
Multi-tasking affects the brain's learning systems, and as a result, we do not learn as well when we are distracted, UCLA psychologists report this week in the online edition of Proceedings of the National Academy of Sciences.   view more (2006-07-26)

Memory loss in older adults due to distractions, not inability to focus
The short-term memory problems that accompany normal aging are associated with an inability to filter out surrounding distractions, not problems with focusing attention, according to a study by researchers at the University of California, Berkeley.   view more (2005-09-12)

Erotic images prove useful in coaxing out unconscious brain activity
When your eyes are presented with erotic images in a way that keeps you from becoming aware of them, your brain can still detect and respond to the images according to your gender and sexual orientation.   view more (2006-10-27)

Living fossil roams the seas
Fossil' fish coelacanth, first dragged up along the coast of South Africa in 1938, having been considered extinct for 65 million years. Because of its close resemblance to land animals, it has attracted attention to the subject of a 'missing link' between tetrapods and humans.   view more (2005-07-13)

Identification of carbon dioxide receptors in insects may help fight infectious disease
Mosquitoes don't mind morning breath. They use the carbon dioxide people exhale as a way to identify a potential food source. But when they bite, they can pass on a number of dangerous infectious diseases, such as malaria, yellow fever, and West Nile encephalitis.   view more (2006-12-14)

Duck-billed dinosaur crests not linked to sense of smell
After decades of debate, a U of T researcher has finally determined that duck-billed dinosaurs' massive but hollow crests had nothing to do with what many scientists suspected - the sense of smell.   view more (2006-01-25)

New study: Pine bark extract reduces ADHD symptoms in children
Attention Deficit Hyperactivity Disorder (ADHD) is a prevailing issue in the United States, with millions of children getting diagnosed every year. A new study reveals that Pycnogenol, (pic-noj-en-all), an antioxidant plant extract from the bark of the French maritime pine tree, reduces ADHD in children.   view more (2007-09-13)

Baby got math
Cognitive neuroscientists have shown that babies have an abstract numerical sense, as demonstrated by their ability to match the number of voices they hear to the number of faces they expect to see.   view more (2006-02-14)

Kids need more time than adults give them, study finds
Further proof that children require more time comes via a study to be published today in Developmental Science asserting that the fast pace expected by adults-both parents and educators-can be beyond chindren's perceptual abilities.   view more (2006-08-10)

Working memory retains visual details despite distractions
The ability to retain memory about the details of a natural scene is unaffected by the distraction of another activity and this information is retained in "working memory".   view more (2006-01-20)

Psychologists find more sensitive tests for predicting Alzheimer's as well as changes in cognition
Two recent studies may help clinicians and researchers better predict and understand dementia of the Alzheimer's type early in its history. Both studies appear in the September issue of Neuropsychology, which is published by the American Psychological Association (APA).   view more (2005-09-26)

How the brain handles surprise, good and bad
Whether it's a mugger or a friend who jumps out of the bushes, you're still surprised. But your response-to flee or to hug-must be very different.   view more (2007-09-20)

Winning by a neck — Giraffes avoid competing with shorter browsers
The giraffe's elongated neck has long been used in textbooks as an illustration of evolution by natural selection, but this common example has received very little experimental attention.   view more (2006-12-26)

Asleep or awake we retain memory
Sleeping helps to reinforce what we've learned. And brain scans have revealed that cerebral activity associated with learning new information is replayed during sleep.   view more (2006-03-28)

Female guppies risk their lives to avoid too much male attention
Sexual harassment is a burden that females of many species face, and some may go to extreme lengths to avoid it.   view more (2006-05-15)

People with Near Death Experiences Can Differ in Sleep-Wake Control
People who have had near death experiences often have different arousal systems controlling the sleep-wake states than people who have not had a near death experience.   view more (2006-04-11)

Prenatal cocaine's lasting cellular effects
Although the "crack baby" hysteria of the 1980s was greatly exaggerated, cocaine use during pregnancy can cause subtle but disabling cognitive impairments — attention deficits, learning disabilities and emotional problems.   view more (2007-01-15)
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