Perception—but not expectation—of reward is altered in people with cocaine addiction

Researchers report October 25 in the journal Neuron that cocaine addiction disrupts the dopamine neurons that govern how we perceive and learn from rewards. Though people with cocaine addiction have similar expectations of rewards compared to controls, their dopamine neurons send out much weaker signals when these rewards are actually received. This dysregulation could make it more difficult for people with cocaine addiction to learn from their experiences and change addictive behavior.

Gov’t struggling to offer quality education – NAQUEZ

By NATION REPORTER

WHILE Government is struggling to offer the much needed quality education to citizens despite having done well in availing free education, the National Action for Quality Education in Zambia (NAQEZ) has observed.

This content is locked

This is exclusive material. To read full story, click on register and choose one of the premium subscriptions to view this content. Login if you are already a premium user.


Convalescent plasma reduces mortality by 10% in COVID-19 patients on artificial respiratory assistance: Clinical trial

In a study published in the New England Journal of Medicine, clinicians and researchers from the CHU of Liège and the University of Liège show that the administration of plasma taken from convalescent donors after infection with SARS-CoV-2 to patients suffering from acute respiratory distress syndrome requiring artificial mechanical ventilation significantly reduced mortality (10%).

Independence Day should be a uniting factor – Nalumango

VICE PRESIDENT Mutale Nalumango says Government has embarked on an ambitious and robust plan to rebuild the country socially and economically to maintain the bond of unity that the forefathers exhibited during the independence struggle.

This content is locked

This is exclusive material. To read full story, click on register and choose one of the premium subscriptions to view this content. Login if you are already a premium user.