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Un craniu 3D transparent, implantat la şoareci, oferă posibilitatea studierii creierului în timp real
 

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- It happens the same everywhere around the world. (The Yard)

-I was invited somwhere in the wold, by a friend, my friend make a lot of promisses. Promises which prefer to forget, now. He live in a house with several apartaments, with a shared courtyard. Since I am hosted here, and waith the promises come true, I see the same general dirt in the yard. - Time passes by working better. I said, and I grabbed with enthusiasm to clean. Gathering dried laves, collecting papers, sweep. A Lady , neighbour Lady, asked me, very surprised what I doing there . - Cleaning the yadr. I answered. - Because we get a lot of dirt in the house. - Yes she sayd. And she explained that the man who is responsable with cleaning dose not do his job. The inhabitants of the house will make a meeting, and they will solve the problem. This very ugly problem . - OK. I said, she left. While I cleaning the yard, I think what will happen now ? The man will be judjed, they will fire him . However, it is his duty. Or not ? I have collected numerous remnants of cigarettes, Ice cream papers, ...... Did we not have to respect the work of others ? - I asked myself. Why ?. 

- Maybe the man can not chase after everyone. And it looked like in the yard, is a competition. - Who throw more rubbish. It is easy to criticize, it is harder to help. For example: - do not throw trash in the yard. But, it is easier to judge . - This happen every day wherever in the world. We are different characters, but the same different caracters live worldwide, the only thing that is different is the country in which we live. Or where we come from. Richer country , or a poorer country. And it's good, they are poor countries, - We have forgotten how cleaning. They will do it. While I was cleaning, listening the album, The Wall (Pink Floyd and it fit well in the current situation.) I just remembered, my friend promises . - " Our home , our food , our work , life together ........." Yeah sure . Now my friend says he promised to much. In other words . Get out. Or , I 'm bored with this new toy. Thank God that we are not all the same. We are different characters. I have favorite quotes : - "Accept the things to Which fate binds you, and love the people with Whom fate brings you together , but do so with all your heart . " .... "Where I live if someone Gives you a hug it's from the heart . "...To tell the truth, I was very well tolerated in this house, I did not missed anything, for a time. Now my days are counted here, I think I've become an unwanted ghost. A sort trash. Why people do not understand, that promises must be respected. As a man's life may depend on promises. Those who are educated in the virtual world, forget the true world. - "Love all, trust a few, do wrong to none." - - I do not want to hurt anyone, especially my friends, my friend. I keep the pleasant memories. (Because it was. I was accepted and helped for a while. I must admit that. ) My friend wants to help me, even now. He'll tolerate my presence in the area. What great luck I have. Stupidity and reign are paid. I feel it now. - I continue to clean away, maybe I'll manage to clean, in my soul and in others soul. Maybe. But life will never forgive this fatal mistake, why I trusted my friend. Why ? - Because things are linked together, promise and trust. Okay, time to go, I do not accept any false help, and promises more. I'm going to clean in to another world.

 

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Un craniu 3D transparent, implantat la şoareci, oferă posibilitatea studierii creierului în timp real

Un craniu 3D transparent, implantat la şoareci, oferă posibilitatea studierii creierului în timp real

Un craniu 3D transparent, implantat la şoareci, oferă posibilitatea studierii creierului în timp real
 

Un craniu transparent realizat cu ajutorul tehnologiei de imprimare 3D, dezvoltat de o echipă de oameni de ştiinţă americani şi implantat la şoareci, oferă posibilitatea de a studia în timp real întreaga suprafaţă cerebrală, relatează agenţia Xinhua marţi.


Studiul, publicat marţi în jurnalul ştiinţific Nature Communications, descrie dispozitivul numit ''See-Shell'', ce poate oferi informaţii suplimentare despre problemele care afectează creierul, precum comoţiile cerebrale sau bolile Alzheimer şi Parkinson.

''Această tehnologie ne permite să vedem în acţiune o mare parte din cortex şi ne oferă totodată un control şi o precizie fără precedent în timpul stimulării anumitor părţi ale creierului'', a declarat unul dintre coautorii studiului, Suhasa Kodandaramaiah, de la Universitatea din Minnesota.

Cu ajutorul craniului transparent, neurologii au acces la o imagine amplă a creierului în contextul în care s-a constatat că ceea ce se petrece într-o zonă a acestuia este probabil să afecteze simultan şi alte regiuni cerebrale.

Cercetătorii au scanat digital suprafaţa craniului şoarecelui şi au utilizat apoi informaţiile pentru a crea un craniu artificial, transparent, care are aceleaşi contururi ca şi craniul original.

Printr-o intervenţie chirurgicală de mare precizie, partea superioară a craniului şoarecelui a fost înlocuită cu craniul transparent imprimat 3D.

Corpul animalului nu a respins implantul, ceea ce a permis cercetătorilor să studieze acelaşi creier pe parcursul mai multor luni.

''Acest nou dispozitiv ne permite să observăm activitatea cerebrală la cel mai mic nivel, mărind imaginea în zona anumitor neuroni, şi să avem totodată de-a lungul timpului o imagine de ansamblu a unei regiuni extinse a creierului", a explicat Kodandaramaiah.

AGERPRES/(AS - autor: Dana Purgaru, editor: Mariana Ionescu, editor online: Irina Giurgiu)

2019-04-03 10:39:02
AGERPRES

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