HOME >> BIOLOGY >> NEWS
Imaging study shows brain maturing

The brain's center of reasoning and problem solving is among the last to mature, a new study graphically reveals. The decade-long magnetic resonance imaging (MRI) study of normal brain development, from ages 4 to 21, by researchers at NIH's National Institute of Mental Health (NIMH) and University of California Los Angeles (UCLA) shows that such "higher-order" brain centers, such as the prefrontal cortex, don't fully develop until young adulthood.

A time-lapse 3-D movie that compresses 15 years of human brain maturation, ages 5 to 20, into seconds shows gray matter the working tissue of the brain's cortex diminishing in a back-to-front wave, likely reflecting the pruning of unused neuronal connections during the teen years. Cortex areas can be seen maturing at ages in which relevant cognitive and functional developmental milestones occur. The sequence of maturation also roughly parallels the evolution of the mammalian brain, suggest Drs. Nitin Gogtay, Judith Rapoport, NIMH, and Paul Thompson, Arthur Toga, UCLA, and colleagues, whose study is published online during the week of May 17, 2004 in The Proceedings of the National Academy of Sciences.

"To interpret brain changes we were seeing in neurodevelopmental disorders like schizophrenia, we needed a better picture of how the brain normally develops," explained Rapoport.

The researchers scanned the same 13 healthy children and teens every two years as they grew up, for 10 years. After co-registering the scans with each other, using an intricate set brain anatomical landmarks, they visualized the ebb and flow of gray matter neurons and their branch-like extensions in maps that, together, form the movie showing brain maturation from ages 5 to 20.

It was long believed that a spurt of overproduction of gray matter during the first 18 months of life was followed by a steady decline as unused circuitry is discarded. Then, in the late l990s, NIMH's Dr. Jay Giedd, a co-author of the cu
'"/>

Contact: Jules Asher
NIMHpress@nih.gov
301-443-4536
NIH/National Institute of Mental Health
17-May-2004


Page: 1 2

Related biology news :

1. Imaging the healing heart
2. Imaging the brain solving problems through insight
3. Imaging technique reveals new structure in retinal cells
4. Imaging technique discovered at Stanford monitors cancer cell proliferation
5. Imaging technique may help in confirming, monitoring treatment of malignant brain tumors
6. Imaging study provides new information on how the brain processes sounds of different tones
7. Imaging apparatus characterizes drops in dirty laboratory environments
8. New Imaging Technique Pinpoints Dead Heart Muscle
9. Imaging Studies Illuminate Brains Response To Cocaine
10. Student science contest participation influences study, career choices, alumni say
11. New study shows hope for treating inhalant abuse

Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Imaging study shows brain maturing

(Date:11/4/2014)... study examining only marketing directed at children on ... has found that the majority of black, middle-income ... marketing tactics. , Authored by Arizona State University ... is the first to examine the use of ... fast food restaurants and its relationship to demographics. ...
(Date:11/3/2014)... DUBLIN , Nov. 3, 2014 Research ... report "Cell Therapy - Technologies, Markets and Companies" ... evaluates cell therapy technologies and methods, which have already started ... Hematopoietic stem cell transplantation is replacing the old fashioned bone ... described. Cell therapy is bound to become a part of ...
(Date:11/2/2014)... Physics World , James Dacey explores the ways in ... take their innovations from the lab into the commercial ... all start-up companies as they move from prototype to ... main factors: physics-based inventions are usually far from market-ready ... be a lot more complicated than had been originally ...
Breaking Biology News(10 mins):Fast food marketing for children disproportionately affects certain communities 2Fast food marketing for children disproportionately affects certain communities 3Global Cell Therapy - Technologies, Markets and Companies: 2014 Report 2Global Cell Therapy - Technologies, Markets and Companies: 2014 Report 3The 'valley of death' facing physics start-ups 2
(Date:11/26/2014)... The Pittcon marketing department is pleased to ... mobile app, Pittcon 2015 . ... Store for iOS and Android devices and the Kindle ... and after the event. It acts as an all-inclusive ... sessions, Conferee Networking sessions and short courses. , The ...
(Date:11/26/2014)... Chester, OH (PRWEB) November 25, 2014 ... Holdings, has joined the Graphel Carbon Products team as ... in sales, marketing, and customer service for the graphite ... add Miles to our team,” stated Dave Trinkley, VP ... “His wide range of experience in the graphite ...
(Date:11/26/2014)... 26, 2014 CURE™ magazine ... on December 5, 2014, in San Francisco prior to ... Heroes event will honor clinicians, caregivers, and advocates who ... neoplasms (MPNs). , Special guest speaker Charles Esten, ... cancer journey at the reception. Over a decade ...
(Date:11/26/2014)... 25 novembre 2014 Theravalues Corporation est fier ... marché européen au salon Hi Europe 2014 (du ... ). Curcumine la plus biodisponible actuellement ... (non-cristalline) à des ingrédients approuvés par les règlements ... jaune présent dans la racine de curcuma ( ...
Breaking Biology Technology:Pittcon Releases 2015 Mobile App 2Miles Holder Joins Graphel Corporation as Sales/Marketing Manager 2CURE Magazine and Incyte to Honor MPN Heroes 2CURE Magazine and Incyte to Honor MPN Heroes 3CURE Magazine and Incyte to Honor MPN Heroes 4La curcumine présentant la plus haute biodisponibilité bientôt en vente en Europe 2La curcumine présentant la plus haute biodisponibilité bientôt en vente en Europe 3
Cached News: