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Current Dopamine News and Events

Current Dopamine News and Events, Dopamine News Articles.
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Researchers discover potential therapy to treat detrimental effects of marijuana
A University of Maryland School of Medicine study using a preclinical animal model suggests that prenatal exposure to THC, the psychoactive component of cannabis, makes the brain's dopamine neurons (an integral component of the reward system) hyperactive and increases sensitivity to the behavioral effects of THC during pre-adolescence. (2019-10-15)
Researchers solve puzzle about link between genetic mutations, mating in fruit flies
More than a century ago, early geneticists showed that the inheritance of a single mutation by fruit flies can change the insect's body color and simultaneously disrupt its mating behavior. (2019-10-15)
Molecular link between chronic pain and depression revealed
Researchers at Hokkaido University have identified the brain mechanism linking chronic pain and depression in rats. (2019-09-26)
The secret of motivation
Success is no accident: To reach your goal you need perseverance. (2019-09-26)
Brain circuit controls individual responses to temptation in rats
Differences in a key brain circuit may suggest why some individuals are less able than others to resist tempting cues, according to a study in rats published today in eLife. (2019-09-10)
Brain circuit connects feeding and mood in response to stress
An international team led by researchers at Baylor College of Medicine looked into the possibility of crosstalk between eating and mood and discovered a brain circuit in mouse models that connects the feeding and the mood centers of the brain. (2019-09-04)
Scientists link 'hunger hormone' to memory in Alzheimer's study
Scientists at The University of Texas at Dallas have found evidence suggesting that resistance to the 'hunger hormone' ghrelin in the brain is linked to the cognitive impairments and memory loss associated with Alzheimer's disease (AD). (2019-09-03)
Ecopipam reduces stuttering symptoms in proof-of-concept trial
A team led by a psychiatrist at the University of California, Riverside, has tested the orally administered investigational medication ecopipam on adults who stutter in an open-label, uncontrolled clinical trial and found that it reduced their stuttering symptoms from the start of therapy after eight weeks of dosing. (2019-08-28)
Neurological brain markers might detect risk for psychotic disorders
People who may hear and see things that are not there could have symptoms of psychosis, better known as psychotic disorders. (2019-08-27)
Spontaneous brain fluctuations influence risk-taking
Minute-to-minute fluctuations in human brain activity, linked to changing levels of dopamine, impact whether we make risky decisions, finds a new UCL study published in the Proceedings of the National Academy of Sciences. (2019-08-26)
Researcher discovers gene mutation that contributes to addiction
A researcher at the OU College of Medicine, William R. (2019-08-16)
Study evaluates effects of noninvasive neuromodulation used to treat obesity
The results of a clinical trial published in the journal Appetite show that transcranial direct current stimulation (tDCS) can reduce or increase appetite, depending on the patient's genetic profile. (2019-08-07)
Study examines cannabis' effects on brain neurochemistry
A new Addiction Biology study provides the first evidence of a blunted response to stress-induced dopamine signaling in the brain's prefrontal cortex in individuals at high risk for psychosis who regularly used cannabis. (2019-08-07)
Why are we so drawn to places of happy memories?
Why are we so drawn to places of happy memories? (2019-07-30)
Blocking dopamine weakens effects of cocaine
Blocking dopamine receptors in different regions of the amygdala reduces drug seeking and taking behavior with varying longevity, according to research in rats published in eNeuro. (2019-07-29)
Researchers discover the science behind giving up
Findings, reported July 25 in Cell, offer new insight into the complex world of motivation and reward by discovering the science behind giving up. (2019-07-25)
Brain protein mutation from child with autism causes autism-like behavioral change in mice
A de novo gene mutation that encodes a brain protein in a child with autism has been placed into the brains of mice. (2019-07-23)
Biologist leads pioneering study on stress
A biologist at Louisiana State University conducted a pioneering research study that could help us to better understand the role of dopamine in stress resilience in humans through analyzing wild songbirds. (2019-07-19)
Antioxidant precursor molecule could improve Parkinson's
The naturally occurring molecule N-acetylcysteine (NAC) shows benefit in a clinical trial for Parkinson's Disease. (2019-07-16)
How procrastinators and doers differ genetically
Some people tend to postpone actions. In women, this trait is associated with a genetic predisposition towards a higher level of dopamine in the brain. (2019-07-11)
Mussels are inspiring new technology that could help purify water and clean up oil spills
Mussels are notorious maritime stowaways known for damaging the hulls of boats, but these same adhesive properties have widespread engineering applications, scientists in China and the United states write in review published July 10 in the journal Matter. (2019-07-10)
Brain stimulation enhances motivation to work for food
Electrical stimulation of the brain through the vagus nerve increases the motivations to work for food, according to recent findings of a research group at the University of Tübingen. (2019-07-09)
Exercise improves brain function in overweight and obese individuals
New findings out of the University of Tübingen show that, on top of its benefits for metabolism, mood, and general health, exercise also improves brain function. (2019-07-09)
One-molecule-thick coating to help improve disease and drug testing
A new breakthrough has the potential to improve sensors used to test for diseases and detect doping in sports. (2019-07-08)
Research shows that drinking Matcha tea can reduce anxiety
Using the 'elevated plus maze' test with mice, Japanese researchers have shown that Matcha green tea can reduce anxiety. (2019-07-08)
Unraveling the brain's reward circuits
Food, alcohol, and certain drugs all act to reduce the activity of hunger neurons and to release reward signals in the brain, but alcohol and drugs rely on a different pathway than does food, according to a new study led by University of Pennsylvania biologists. (2019-07-02)
New mouse model of Parkinson's disease shows how it spreads from the gut
Parkinson's disease can begin in the gut and spread to the brain via the vagus nerve, researchers report June 26 in the journal Neuron. (2019-06-26)
Learning from experience is all in the timing
Animals learn the hard way which sights, sounds, and smells are relevant to survival. (2019-06-26)
A new drug target for chemically induced Parkinson's disease
An enzyme that modifies chemicals formed in the body by alcohol, tobacco, and certain foods may be a new target for treating Parkinson's disease, according to a team led by University of Pennsylvania scientists. (2019-06-21)
How information is like snacks, money, and drugs -- to your brain
A new study by researchers at UC Berkeley's Haas School of Business has found that information acts on the brain's dopamine-producing reward system in the same way as money or food. (2019-06-19)
The power of a love song: Dopamine affects seasonal hearing in fish and facilitates mating
Scientists at The Graduate Center of The City University of New York and Brooklyn College have discovered seasonal changes in dopamine levels in the female plainfin midshipman fish's inner ear helps hearing sensitivity grow in the summer mating season, making her better able to hear the male's mating calls. (2019-06-13)
Gut microbes eat our medication
Researchers have discovered one of the first concrete examples of how the microbiome can interfere with a drug's intended path through the body. (2019-06-13)
Breaking down pathological protein aggregates
ETH researchers have discovered a new mechanism that brain cells use to protect themselves from protein aggregates. (2019-06-06)
Promising molecule targets protein to offer hope for people with Parkinson's
Results from a study published today looking at a molecule targeting clumps of alpha-synuclein, a key protein linked to Parkinson's, offers hope that it may be possible to slow down or prevent the progression of the condition in humans. (2019-06-05)
How chronic inflammation may drive down dopamine and motivation
A new computational method will allow scientists to measure the effects of chronic inflammation on energy availability and effort-based decision-making. (2019-06-04)
Early life exposure to nicotine alters neurons, predisposes brain to addiction later
Neonatal exposure to nicotine alters the reward circuity in the brains of newborn mice, increasing their preference for the drug in later adulthood, report researchers at University of California San Diego School of Medicine in a published study. (2019-05-21)
Unexplored neural circuit modulates memory strength
The fruit fly mushroom body contains three groups of neurons that produce dopamine. (2019-05-14)
Cell architects: 'Smart cells' improve production of pharmaceutical raw materials
Researchers in Japan have developed an integrated synthetic biology system to construct new metabolic pathways and enzymes within microbes. (2019-05-07)
Unexpectedly big wins improve two kinds of memory
Brown University researchers have discovered that instances in which outcomes are better than expected -- finding an unexpectedly good parking spot, for example, or spotting a $20 bill on the sidewalk -- improves memories of specific events. (2019-05-06)
Hotspot in the genome may drive psychosis in schizophrenia and bipolar disorder
A newly identified epigenetic hotspot for schizophrenia and bipolar disorder may give scientists a fresh path forward for devising more effective treatments and biomarker-based screening strategies. (2019-05-03)
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