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19 April 1999 | ScienceNOW

Neurons That Like to Travel

by Michael Hagmann

Researchers have discovered a class of cells in the developing mouse brain that have a penchant for roaming. The find, reported in the May issue of Nature Neuroscience, might lead...

1 April 1999 | ScienceNOW

Testing the Mind's Eye

by Marcia Barinaga

It's a decades-old question in cognitive psychology: Does the brain process an imagined object the same way it does a real one? A report in tomorrow's Science may provide the...

26 March 1999 | ScienceNOW

A Nerve-Wracking Discovery

by Science News Staff

Today is the 88th birthday of Sir Bernard Katz, a German-born English physiologist who elucidated how nerve cells transmit signals. While it was known that neurons release acetylcholine at their...

24 March 1999 | ScienceNOW

Letting the Mind Write

by Mark Sincell

Perhaps no form of solitary confinement is more devastating to the spirit than being totally paralyzed, unable to move or speak. But in today's issue of Nature, researchers describe a...

23 March 1999 | ScienceNOW

Coffee Cravers Are Not Addicts

by Robert F. Service

ANAHEIM, CALIFORNIA--Sure, we may have a few jitters and facial tics. But fellow caffeine drinkers: Rest easy. Animal studies, presented here yesterday at a meeting of the American Chemical Society,...

22 March 1999 | ScienceNOW

Memory Molecules

by Michael Hagmann

Neurobiologists have uncovered a pathway that stores information from the brain's temporary memory onto its "hard disk." The findings, published in the April issue of Nature Neuroscience, might lead to...

17 March 1999 | ScienceNOW

Music as Muscle-Builder for the Brain

by Constance Holden

Scientists have found new evidence for the so-called "Mozart effect"--the phenomenon that music can enhance some mathematical abilities. The results appear in the current issue of Neurological Research. In earlier...

12 March 1999 | ScienceNOW

Memory in the Motor Cortex

by Ingrid Wickelgren

The motor cortex--a strip of tissue on the top of the brain that tells our muscles what to do--now appears to do far more than simply orchestrate movements. In today's...

11 March 1999 | ScienceNOW

The Brain Impenetrable

by Michael Hagmann

The blood-brain barrier, which controls chemical traffic to and from the brain, may be even more complex than previously thought. Some compounds that appear to penetrate the entire brain, as...

10 March 1999 | ScienceNOW

Deep-Sea Shrimp Blinded by Science

by Robert Irion

When '80s pop star Thomas Dolby sang "She blinded me with science," little did he know that his bouncy lyric prophesied the fate of shrimp deep in the Atlantic. Researchers...

5 March 1999 | ScienceNOW

How the Nose Knows

by Elizabeth Pennisi

Neurobiologists have sniffed out how the nose uses relatively few kinds of molecular sensors to discriminate among thousands of odors. As reported in today's Cell, different smells activate unique suites...

2 March 1999 | ScienceNOW

Rat Race May Buff up Brains

by Michael Hagmann

Long workouts or tricky memory tasks can boost the number of brain cells in adult rodents, according to two studies in the March issue of Nature Neuroscience. But it's not...

24 February 1999 | ScienceNOW

Making Memories Unforgettable

by Christie Aschwanden

While it's easy to forget what was on last Sunday night's dinner menu, some events, like your own wedding or a close encounter with a grizzly bear, become permanently engraved...

3 February 1999 | ScienceNOW

Half-Brained Ducks in a Row

by Dana Mackenzie

Birds have developed an ability that any student who's ever pulled an all-nighter would envy: the ability to let half their brain sleep while keeping the other half awake. In...

28 January 1999 | ScienceNOW

Magnetic Cells: Stuff of Legend?

by Melissa Mertl

ANAHEIM, CALIFORNIA--Scientists have come a step closer to unraveling what appears to be an amazing ability of birds, bees, and fish to use Earth's magnetic fields to navigate. At the...

20 January 1999 | ScienceNOW

Man of Backbone

by Science News Staff

Today is the birthday of Vladimir Mikhaylovich Bekhterev, a Russian neurophysiologist and psychiatrist born in 1857 who helped elucidate the structure and diseases of the central nervous system. Bekhterev is...

14 January 1999 | ScienceNOW

New Treatment Saves Precious Embryo Cells

by Kevin Boyd

Researchers have found a way to sharply reduce the number of embryos required for an experimental treatment of Parkinson's disease. Treating fetal cells with an enzyme that prevents them from...

6 January 1999 | ScienceNOW

Rude Awakenings

by Gretchen Vogel

It's an uncanny way to start the day: After setting an alarm the night before, you wake up with a start just minutes before it goes off. Coincidence? Probably not,...

17 December 1998 | ScienceNOW

A Trick of the Eye

by Science News Staff

Jan Purkinje, a histologist and physiologist whose findings led to important insights into how the body works, was born on this day in 1787. Purkinje is famous for explaining visual...

17 December 1998 | ScienceNOW

Dreaming of Music

by Marcia Barinaga

Although many a college student hopes that his brain will continue cramming for an exam while asleep, scientific proof that that can happen has been scarce. But now scientists report...

4 December 1998 | ScienceNOW

Channeling a Neuron's Excitability

by Marcia Barinaga

Like people, neurons sometimes need to be steadied a bit, so that they don't overreact to stimuli. Helping to keep neurons in check are potassium channels, tiny pores that allow...

17 November 1998 | ScienceNOW

Chemical Audit of a Single Neuron

by Dan Ferber

LOS ANGELES--Scientists have developed an electronic nose, of sorts, that sniffs out dozens of chemicals in an individual nerve cell. The remarkable achievement, described here last week at the annual...

17 November 1998 | ScienceNOW

Ethics Panel Urges Scrutiny of Mental Health Research

by Eliot Marshall

WASHINGTON, D.C.--Brushing aside research agencies' worries about increasing regulation, a presidential panel today called for tighter control of the way mental patients and other people with impaired judgment are enrolled...

9 November 1998 | ScienceNOW

Sounds of Music in the Cerebellum

by Dan Ferber

LOS ANGELES--Music may make the heart sing, but it also exerts a strong tug on the brain. Two studies presented here on Sunday at the annual meeting of the Society...

6 November 1998 | ScienceNOW

Phantoms in the Brain

by Amy Adams

Lost limbs are gone, but not forgotten by the brain. Two studies in this week's Science help explain why this memory persists. The research shows how the brain miswires itself...

30 October 1998 | ScienceNOW

Elephant-Nosed Fish Plays the Electric Organ

by David Kestenbaum

Most animals rely on two eyes for accurate depth perception. Not the African elephant-nosed fish, which uses electrical pulses to navigate at night. Scientists report in this week's Nature that...

29 October 1998 | ScienceNOW

Neurons Arise in Adult Brains

by Marcia Barinaga

Researchers have shown for the first time that new neurons can form in one part of adult human brains. The finding, reported in the November issue of the journal Nature...

19 October 1998 | ScienceNOW

Bats Push the Limits of Sonar

by Elizabeth Pennisi

Researchers have long known that most bats use the echoes from high-pitched sounds they emit to pinpoint moths and other objects. But a report in the 13 October Proceedings of...

14 October 1998 | ScienceNOW

Fly Eyes Prevent Blurry Vision

by Cassie Ferguson

There's no gold medal in sight, but at least one species of fly manages to avoid obscured vision during flight by borrowing a page from Olympic ice skaters. The solution,...

7 October 1998 | ScienceNOW

Thinking the Unthinkable

by Jennifer Couzin-Frankel

Scientists have shown that the human brain is engaged by words and numbers flashed so fast that they don't have time to register in a person's consciousness. The findings, which...

5 October 1998 | ScienceNOW

Seeing the Trees for the Forest

by Kevin Boyd

If you find it hard to concentrate on the barrage of images in television ads and hyperactive Web sites, you aren't alone. According to a paper in the latest Science,...

24 September 1998 | ScienceNOW

For Whom the Bell Tolls

by Science News Staff

Today is the birthday of Ivar Pavlov, a Russian physiologist born in 1849 who is best known for his studies of the conditioning of dogs. Between 1890 and 1900, Pavlov...

23 September 1998 | ScienceNOW

Pot Shot for Pain Hits Mark

by Christie Aschwanden

A synthetic form of marijuana's active ingredient kills pain by targeting the same pathway as morphine, researchers report tomorrow in Nature. The finding could lead to better treatments for chronic...

22 September 1998 | ScienceNOW

For Whom the Bell Tolls

by Science News Staff

Thursday is the birthday of Ivar Pavlov, a Russian physiologist born in 1849 who is best known for his studies of the conditioning of dogs. Between 1890 and 1900, Pavlov...

18 September 1998 | ScienceNOW

An Eye for an Ear

by Kevin Boyd

Settling a decades-old debate, scientists have confirmed that blind people are just as adept at tracking sounds as people with normal vision. The finding, reported in this week's Nature, could...

27 August 1998 | ScienceNOW

New Strategy for Schizophrenia

by Ingrid Wickelgren

A new drug can block schizophrenia-like symptoms in rats, without apparent side effects. The work, described in tomorrow's Science, suggests a new approach to schizophrenia drugs that may someday lead...

17 August 1998 | ScienceNOW

What Spock Heard

by David Kestenbaum

Understanding the cadences and accents of a foreign language can take years. But getting used to a new pair of ears turns out to be much easier. People who wear...

23 July 1998 | ScienceNOW

How the Brain Adds Depth to the Picture

by Science News Staff

To the brain, an object's distance seems to be an attribute as basic as its color or shape. Scientists had thought that neurons sensitive to distance would be found mainly...

11 June 1998 | ScienceNOW

Why Young Brains Lack Caution

by Science News Staff

CAMBRIDGE, MASSACHUSETTS--"No fear." It's the brazen brand name of youth-oriented fitness gear. Now brain scans have revealed some truth behind the hype: Teenage brains, it appears, have not fully developed...

8 May 1998 | ScienceNOW

The Brains Behind Navigation

by Science News Staff

By outfitting a PET scanner with a virtual reality world, researchers have mapped brain regions as a person navigates through an environment. The research, described in today's Science, reveals a...

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