Science news articles about 'increase dopamine'

... number of dopamine receptors, these findings are consistent with prior research implicating increased dopamine levels in wakefulness. For example, some stimulants that prevent sleep, like amphetamines ...

... are believed to differ from those of stimulant medications (such as methylphenidate and amphetamine), which increase dopamine (a neurotransmitter in the brain essential for the normal functioning of ...

... , from Thailand to Greece. They then gave the participants either L-DOPA (a drug that increases dopamine concentrations) or a placebo and asked them to imagine vacationing in those destinations. The ...

... lasts longer, releasing more dopamine. "It can cause specific neurons to communicate and thus increases dopamine for an extended period of time," Brody said. "Most scientists believe that's one ...

... drugs of abuse," said Brookhaven chemist Joanna Fowler, lead author on the study. "It produces large increases in dopamine, a brain chemical associated with feelings of pleasure and reward — both by ...

... surge of dopamine in their brains. After a month, the structure of the brains of these rats adapts to increased dopamine levels, showing fewer of a certain type of dopamine receptor than they used to ...

... in stress-induced reinstatement (relapse) behavior. It was also known that alcohol and drugs of abuse increase dopamine levels, not just in the "classical" reward circuitry in the brain, but also in ...

... , which involves dopamine loss. Treatment options now lead to unwanted side effects. "Medications that increase dopamine stimulation can help treat debilitating aspects of the disease but in some ...