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BerichtGeplaatst: 07-08-2018 12:04:31    Onderwerp: have a better vision Reageren met citaat
CHICAGO Dan Feeney Chargers Jersey , Aug. 23 (Xinhua) -- Researchers at the University ofMichigan (UM) recently found that activating the amygdala portionof the brain can intensify one's motivation to consume cocaine farbeyond ordinary drug levels.


"This would suggest that the amygdala plays a key role in drugaddiction," said Shelley Warlow, a UM psychology graduate studentand the study's lead author.


Researchers implanted rats with a catheter that allowed them toearn doses of cocaine by poking their noses into small holes in thewall.


Whenever rats poke their nose into one particular hole to earnintravenous cocaine, a laser light would also painlessly activatethe neurons in the central amygdala at the same time.


Poking their nose into a different hole earned identicalcocaine, but never activated the amygdala.


When being able to freely choose between those two cocainerewards, rats focused only on the port that earned cocaine togetherwith amygdala-activating laser, consumed much more cocaine thanrats without amygdala activation, and avidly nibbled around thelaser-cocaine hole as though seeking more.


Rats with amygdala activation were also willing to work almostthree times harder for the cocaine, the study indicated.


Rats appeared to be indifferent to amygdala laser activation.The amygdala activation only intensified motivation when cocainewas present.


By contrast, when the researchers temporarily inactivated theamygdala using a painless drug infusion, rats completely stoppedresponding for cocaine altogether.


"Understanding brain areas and the mechanisms involved in thisintense motivation will be important in developing treatments foraddiction and other compulsive disorders," Warlow said. Enditem


BEIJING, Nov. 16 (Xinhua) -- A charity program to prevent repeat abortions has provided contraception counselling to more than 1.5 million women annually since 2011, according to an announcement from the program Sunday.


The program, sponsored by the China Women's Development Foundation (CWDF) and several family planning research institutes, has set up and sponsored about 480 clinics across China to provide contraception and health counselling for women who have had abortions, said the press release from the program, which held a meeting to review its progress on Sunday.


Repeated abortions cause serious health problems for women, but many Chinese women are not fully aware of the facts, said Yu Hongqiu, deputy chairwoman of the All-China Women's Federation, at the meeting.


China registers about 8 to 10 million abortions annually, and in 55.9 percent of these cases, the women have had previous abortions, according to the press release.


The average age of women who have had abortions has also continued to decline, the statement added.


It is necessary to improve women's awareness of the danger of repeated abortions as well as to educate them with proper knowledge of how to use contraceptives, Yu said.


The program has been proven to be effective to prevent repeated abortion, said Qin Guoying, the CWDF secretary-general.


Doctors and volunteers approach women who have had an abortion in a hospital and coach them through one-on-one counselling to protect their privacy, Qin said.


The program also has a follow-up system to track the participants and offer counselling after they leave the hospital, she said.


They have also assisted hospitals to provide consultations for women who come to inquire about abortion.

soccer is a sport that requires a lot of energy to play. It also requires each player to develop a lot of patience because each team member has to wait for another person in the team to pass the ball. Learning patience will pay off greatly during a game because people have when they are continually chasing a ball which always seems to get away from them.

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