Streams

Jon Hamilton

Jon Hamilton appears in the following:

Brain Changes Suggest Autism Starts In The Womb

Wednesday, March 26, 2014

The organization of certain brain cells in children with autism seems already different from that of typical children by the sixth or seventh month of fetal development, a study hints.

Comments [1]

Alzheimer's Diagnosis Expanding To Catch Early Warning Signs

Wednesday, March 19, 2014

The approach would recognize changes in behavior and in the brain. Right now there are no treatments that slow down the disease, but identifying high-risk patients early on could help with prevention.

Comment

Alzheimer's Blood Test Raises Ethical Questions

Sunday, March 09, 2014

A new blood test for people in their 70s can detect who will develop Alzheimer's disease. A positive result could help people prepare. But since there's no treatment, will people really want to know?

Comment

Maybe That BPA In Your Canned Food Isn't So Bad After All

Wednesday, February 26, 2014

There's been lots of debate about whether tiny amounts of the chemical have the potential to cause health problems. A new FDA study supports a previous conclusion that the chemical is safe for people.

Comment

Orphans' Lonely Beginnings Reveal How Parents Shape A Child's Brain

Monday, February 24, 2014

Izidor Ruckel lived in a Romanian orphanage where children were neglected. Scientists say that lack of attention can damage a child's brain. But Ruckel thinks his adoptive parents' love saved him.

Comment

Stricter Autism Criteria Unlikely To Reduce Services For Kids

Monday, January 27, 2014

Researchers say changes rolled out last May are likely to have a bigger effect on government statistics than on the care of the nation's children. Still, advocates worry that narrower definitions could lead to a loss of coverage for some children.

Comment

'Forecast Bust:' Why 2013 Hurricane Predictions Were So Wrong

Friday, November 29, 2013

Forecasters expected the 2013 Atlantic hurricane season to be really busy — the National Oceanic and Atmospheric Administration told Americans to expect between seven and 11 hurricanes. But this year has been one of the quietest on record. Why were the predictions so far off?

Comment

Brain Cells 'Geotag' Memories To Cache What Happened — And Where

Thursday, November 28, 2013

Scientists have identified special cells in the brain's hippocampus that mimic a trick of some digital cameras. These cells automatically 'tag' the memory of each event in our lives with information about where that event took place — the better to recall, perhaps, where we left our lost keys.

Comment

In Pregnancy, What's Worse? Cigarettes Or The Nicotine Patch?

Monday, November 25, 2013

Everybody knows that you're not supposed to smoke while you're pregnant because it's bad for the baby. But nicotine patches often used to help women quit may pose a risk, too, researchers say. Other forms of nicotine replacement may do less harm.

Comment

Childhood Maltreatment Can Leave Scars In The Brain

Monday, November 04, 2013

Brain scans may help people who were ill treated as children realize that they process fear differently than others. They may have a harder time realizing what's truly a threat and what's not. Researchers say that can lead to increased risk of anxiety and depression.

Comment

Eeek, Snake! Your Brain Has A Special Corner Just For Them

Monday, October 28, 2013

Humans and other primates have really good vision. One scientist thinks that ability evolved in part to help monkeys and humans quickly recognize venomous snakes. When monkeys see photos of snakes, neurons in a specific part of the brain light up. The neurons respond to photos of the reptiles more than to monkey faces.

Comment

Brains Sweep Themselves Clean Of Toxins During Sleep

Thursday, October 17, 2013

While mice sleep, their brain cells shrink, allowing cerebrospinal fluid to flow easily around them. The fluid can then clear away toxins. This finding appears to offer the best explanation yet of why animals and people need sleep.

Comment

Multitasking After 60: Video Game Boosts Focus, Mental Agility

Wednesday, September 04, 2013

The aging brain may be more flexible than we thought, a study of older adults now suggests. After playing a racing car video game an hour a day, thrice weekly for a month, adults age 60 and over were better at multitasking than untrained 20-year-olds.

Comment

A Single Protein May Help Explain Memory Loss In Old Age

Thursday, August 29, 2013

Age-related fumbles of memory are often feared as early signs of Alzheimer's dementia, but recent research confirms an important difference. The underlying biology of the two sorts of memory loss aren't the same. And the age-related form may be reversible someday.

Comment

New Muscle Drugs Could Be The Next Big Thing In Sports Doping

Monday, August 12, 2013

From human growth hormone to EPO, many sports doping products these days come from big drug companies, not rogue chemists. Scientists and body builders warn that new drugs being developed to treat muscle wasting disease will also likely be abused by athletes — with little chance of detection.

Comment

Harsh In Hard Times? A Gene May Influence Mom's Behavior

Monday, August 05, 2013

Mothers with the "sensitive" version of a gene became more likely to strike or scream at their children during the Great Recession, researchers say. But as a complete economic collapse became less likely, the moms relaxed. Those with the "insensitive" version didn't change their behavior.

Comment

BPA-Free Plastics Going On Trial In Texas

Monday, July 15, 2013

The case focuses on a line of plastic resins made by Eastman Chemical. The resins don't contain BPA but may indeed act like estrogens, two other chemical companies allege. Eastman is suing.

Comment

Tips For Surviving A Mega-Disaster

Friday, June 28, 2013

NASA has a plan to fend off giant asteroids, but what about tsunamis, earthquakes, storms that last 45 days and mammoth floods? Earth scientists say science-based strategies can help communities prepare for the worst of the worst.

Comment

The Human Voice May Not Spark Pleasure In Children With Autism

Monday, June 17, 2013

Scientists and parents have long been baffled by the fact that children with autism often don't pay attention to human voices. Researchers say that may be because speech doesn't activate a reward system in the brain for those children the way it does for typical children.

Comment

With Epilepsy Treatment, The Goal Is To Keep Kids Seizure-Free

Monday, June 10, 2013

For children with epilepsy, doctors now try to prevent seizures altogether. It's a big switch in thinking from the days when seizures weren't considered such a bad thing. That changed due to research showing that seizures can affect learning and memory.

Comment