Scans show women's brains remain youthful as male brains wind down

06 Février, 2019, 04:09 | Auteur: Yves Courtet
  • Women's Brains Appear'Years Younger Than Men's Study

The finding is "great news for many women", says Roberta Diaz Brinton, who wasn't connected with the study and directs the Center for Innovation in Brain Science at the University of Arizona Health Sciences. They found that, based on these metabolic levels, women's brains appeared about three years younger, on average, than men's brains of the same chronological age.

Dr. Michael Bloomfield, honorary consultant psychiatrist and head of the Translational Psychiatry Research Group at University College in London, told Newsweek, "It is important that we don't draw unjustified conclusions from this study in terms of differences between men and women, but that doesn't take away the need to ask these questions". Having a younger brain for longer could make the brain more vulnerable to certain things as well.

But researchers have understood little about how brain metabolism differs between men and women. However, it's possible that it could explain why "women don't experience as much cognitive decline [as men] in later years, . because their brains are effectively younger".

With their new study, the scientists tried to gauge the "metabolic age" of people's brains, focusing on a process that uses glucose sugar to sustain brain development as people grow from children to adults.

In reverse, they trained the algorithm on women's data and applied it to men's.

Obviously the exact age can vary from person to person, but to figure out if there are sex differences in that point, the research team conducted positron emission tomography (PET) scans on 205 people - 121 women and 84 men, from 20 to 82 years old. Then, the researchers entered women's brain metabolism data into the algorithm and directed the program to calculate each woman's brain age from its metabolism.

TPMP : "Cyril Hanouna affirme que Karine Ferri lui " réclame un million d’euros
Des photos dénuées de Karine Ferri avaient été diffusées en direct dans l'émission " Touche pas à mon poste ". Ils auraient dû dire 'On réclame le PIB d'un pays'.

Security Minister Says ISIS Hostage John Cantlie Is Still Alive
A lot of them feature him speaking from Mosul as well as the Syrian cities of Aleppo and Kobani. It's over six years since the British journalist John Cantlie went missing in Syria .

One-Third of Himalayan Glaciers Could Melt by 2100
When you hear about climate change and melting glaciers , you will most likely think about the Arctic and Antartica. The Himalayan glaciers, which formed some 70 million years ago, are highly sensitive to changing temperatures.

Researchers then tried using a female benchmark set with women's ages and brain metabolism.

Brain aging is linked with a gradual decline in brain metabolism - the chemical processes that help it run.

All brains get smaller with age, and it was already known that men's tend to shrink at a faster rate.

"They start adulthood about three years older than women, and that persists throughout life", said Goyal.

A study basing age on metabolism rather than birth date found an average 3.8 year difference between the two.

Also, the relative youthfulness of women's brains was detectable even among the youngest participants, who were in their 20s. This time, the algorithm reported that men's brains were 2.4 years older than their true ages.

Conseillé:



Populaire

'Modern Family' renewed for 11th and final season
The series won the Emmy for Outstanding Comedy Series for five consecutive years, tying the record set by Frasier . The 20th Century Fox Television series has been an anchor of ABC's primetime schedule since its premiere in 2009.

Pregnant Woman Brutally Stabbed To Death In Ridgewood Apartment Building
Irigoyen was a licensed Zumba instructor and Latin ballroom dancer, according to her LinkedIn. When he asked Irigoyen who attacked her, Zereoue told the Post she couldn't speak.

Russian couple are arrested for swinging four-month-old baby
Some activists and medical professionals, however, have argued the exercises put children at great risk and amount to child abuse. Footage of one of the couple's performances has gone viral over the past days, prompting the police to proceed with the arrest.

Six Nations: England's Maro Itoje out of France and Wales matches
It's not too dissimilar to the All Blacks here a couple of years ago when we got beaten up and we got beaten up again", he said. England forward Maro Itoje will miss the Six Nations matches against France and Wales with a knee injury.

Kerr says Patriots winning Super Bowls 'gets old'
The Golden State Warriors can certainly be classified as the New England Patriots of the National Basketball Association .

Liam Neeson avoue avoir voulu tuer quelqu'un | Nouvelles
Je lui ai demandé si elle savait qui c'était. "'De quelle couleur étaient-ils?' Elle a dit que c'était une personne noire". Rentrant de l'étranger, Liam Neeson découvre qu'une de ses proches, non identifiée par l'acteur , a été victime d'un viol.

La fièvre Lassa détectée en Guinée (ministre)
Un nouveau cas suspect a été détecté à Kissidougou, dont les échantillons viennent d'arriver à Conakry. Nous avons des organes dans des préfectures que beaucoup ne connaissent pas.

Jussie Smollett Returns to Stage in Hollywood and Addresses His Attack
This new information comes exactly one week since the apparent hate crime happened, per reports from ABC7 in Chicago. The actor says the men then shouted racial and homophobic slurs and poured an unknown substance on him.

At least seven dead in Paris fire
Officers escorted residents down smoke-filled passageways and evacuated residents from neighboring buildings, TV footage showed. A woman has been arrested over a blaze that killed at least 10 people and injured dozens more in a quiet Paris district.

Les NTIC : avantages et inconvénients
En effet, avoir mille et une tâches à accomplir à la fois, ça peut avoir des effets négatifs. En effet, les travailleurs effectuent les tâches beaucoup plus rapidement tout en conservant leur qualité de vie.