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Dopamine News

Dopamine used for targeted therapy for neuropsychiatric disorders

New research shows how dopamine plays an influence with neuropsychiatric disorders. The focus is with how dopamine receptors create signal within cells. It is hoped the research will lead to better and more targeted treatments.

Why do migraines occur? Part 1: The reward neural network falters

A new study shows that dopamine levels in the brain fall and fluctuates at different times during a migraine headache. The research suggests that migraines are linked to reward-motivated behavior. This is part 1 of a two-part feature.

San Francisco's Third Eye Blind plans free show on Haight Street

San Francisco - San Francisco alternative rockers Third Eye Blind are planning a free performance next week in the city's famed Haight-Ashbury district.

Marijuana abuse leads to irritability and promotes addiction

A study suggests regular marijuana use is associated with reduced dopamine responses in brain, leading to anxiety and restlessness, a lower feeling of reward; and, over time, addiction.

Heavy marijuana use affects dopamine response

People who use marijuana heavily appear to have blunted brain responses to dopamine, according to a new study. Dopamine is a chemical messenger associated with pleasant feelings, motivation and reward.

Op-Ed: Ocean acidity causes fish to go looking for their predators

Sydney - Studies of the effects of carbonic acid, the CO2 related acid formed by carbon emissions and underwater volcanoes have shown that fish affected by the acid actually go looking for their predators.

Brain imaging suggests food addiction is possible

Over consuming highly processed carbohydrates can cause excess hunger and stimulate brain regions involved in reward and cravings. This finding comes from the use of advanced brain scanning techniques.

How drinking coffee reduces suicide risk

Drinking coffee can block suicidal thoughts, a new Harvard University study revealed. Caffeine may act as a mild antidepressant by boosting production of certain neurotransmitters in the brain, researchers say.

Long-term marijuana use might kill motivation from lower dopamine

Researchers at the Imperial College London, UCL and King’s College London have found long-term cannabis users have lower levels of the chemical dopamine in the brain that is necessary for motivation.

Dopamine - a pleasure and reward hormone? It's one big story

Storrs Mansfield - Dopamine is well-known as the pleasure hormone. One scientist who has researched its effects for decades says this isn't so; it's a "story" and says the claims that dopamine directly increases pleasure are untrue if literature is examined closely.

Op-Ed: It may not be you feeling hungry! Do gut flora call the shots?

Sydney - That desire to eat a few truckloads of food may actually be coming from your gut flora. Seems the little guys know how to tell you when they want to eat, according to a new study by the University of Rouen, France.

Parkinson's disease: When proteins go rogue

Scientists discover that a protein responsible for smooth movement does just the opposite when dopamine levels decrease. This knowledge could lead to new treatments for Parkinson's disease.

Dopamine, schizophrenia and creativity related, says new study

In a society that seems to consider being boring as hell to be normal human behavior, this tale of the "abnormal" may be of interest. There’s always been a folklore link between “madness” and genius, but now it’s been found to be literally true.

New dopamine study maps learning and behavior

Studies are showing that dopamine is one of the big drivers in human behavior in ways nobody expected. Another interesting development is that many human vices stimulate dopamine wiring in the brain.

High Hopes Affect Placebo Benefits

Researchers have found a new way to determine who will be helped by medical placebos. If your brain is turned on by the expectation of rewards in non-medical situations, you're a good candidate for a placebo.
 

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