noun
definition
A neurotransmitter associated with movement, attention, learning, and the brain’s pleasure and reward system.
Examples of dopamine in a Sentence
That's because when we fall in love our brain releases dopamine and oxytocin, two "feel good" chemicals.
Parkinson's disease-A slowly progressive disease that destroys nerve cells in the basal ganglia and thus causes loss of dopamine, a chemical that aids in transmission of nerve signals (neurotransmitter).
Research into dopamine agonist skin patches is in progress.
Nicotine is a physiologically addictive; research has shown that it increases the levels of dopamine, a neurological transmitter, in the smoker's brain.
A mutation in a receptor for the neurotransmitter dopamine has been found on chromosome 11 or 18.
Uprima is absorbed under the tongue, stimulating the brain chemical dopamine, which starts the signal for an erection.
The chemical dopamine is then released in the brain, which leads to feelings of contentment.
In turn, nigrostriatal dopamine has been suggested to be critical for the execution of sequential movements.
Dopamine Systems in the Brain There are a number of collections of nerves in the brain that release dopamine Systems in the Brain There are a number of collections of nerves in the brain that release dopamine.
Researchers have found that Ecstasy causes extensive damage to key brain cells, called dopamine neurons.
Levodopa, the metabolic precursor of dopamine, relieves the symptoms of Parkinson's disease presumably by being converted to dopamine in the brain.
The baseline mean plasma prolactin level was nearly doubled in the drug responders, suggesting reduced brain dopamine activity.
It is now known that in some other parts of the brain in those labeled schizophrenic there is in fact rather little dopamine activity.
Domperidone increases prolactin secretion indirectly, by interfering with the action of dopamine.
They studied damage to part of the rat brain called the substantia nigra, where the cells normally release a substance called dopamine.
Test-tube experiments on brain tissue from autopsy confirmed this dopamine deficiency.
These hormones are often referred to as feel good hormones and include serotonin and dopamine.
It decreases the amount of dopamine in the brain and increases the amount of serotonin.
It increases your body's dopamine levels in the same way that heroine, cocaine, and amphetamines do.
It works by blocking the receptors for opiates and preventing the release of dopamine so an addict no longer gets pleasure from the drugs.
Nicotine addicts a person because it increases the dopamine levels in the brain.
It interferes with the normal path of a brain chemical called dopamine.
Dopamine is associated with feelings of pleasure.
Cocaine increases the amount of dopamine available to receptors in the brain.
The nicotine triggers the brain to produce higher levels of dopamine, and this creates a feeling of well-being.
Subsequent cigarettes aren't as pleasurable, since the nicotine doesn't fire the dopamine in the brain to the same extent.
Being active raises the levels of serotonin and dopamine in the brain.
Increased dopamine levels were detected, confirming some experts' opinion that gaming is chemically addictive.
The dopamine allegations are debatable as well.
Some studies suggest that the tics in Tourette syndrome are caused by an increased amount of a neurotransmitter called dopamine.
Taking certain drugs such as amphetamines, dopamine, corticosteroids, and phenothiazines may increase or decrease growth hormone secretion.
One such chemical, dopamine, has been found to play an especially important role in the disease.
The brain makes dopamine from the amino acid tyrosine.
Dopamine and other neurochemical transmitters appear to be implicated in bipolar disorder, and these are under investigation as well.
Turning to the right or left is strongly correlated with turning toward the side of the brain that has less dopamine, an important brain hormone.
Levodopa (L-dopa) is a medication that is converted to dopamine in the brain.
Dopamine is a chemical that aids in the transmission of nerve signals.
Once in the brain, it is converted to dopamine and thus can replace the dopamine lost in Parkinson's disease.
These chemicals include serotonin, norepinephrine, and dopamine.
Risperdone and clonazepam, which address a dopamine imbalance, can be added to SSRIs if an SSRI drug does not satisfactorily control symptoms.
It also regulates neurotransmitters, helping your body maintain an appropriate balance of serotonin, melatonin, and dopamine.
Over time, dopamine and oxytocin stabilize and we don't feel the same high that we once did at the start of the new relationship.
Once you get away with it - with financial infidelity - then you move to infidelity for the "thrill seeking" and endorphin and "dopamine high."
Phenylalanine and tyrosine are needed to produce catecholamines such as adrenaline, noradrenaline and dopamine.
The disease is associated with a lack of dopamine, a brain communication chemical.
Dopamine blocking drugs are frequently the first choice of treatment, Eg haloperidol chlorpromazine, trifluoperazine, sulphiride and pimozide.
The mainstay of treating Parkinson's disease is to replace dopamine in the brain.
These cells produce dopamine - a chemical which plays a key role in movement.
They work by reducing the action of a particular chemical messenger in the brain called dopamine.
When you are attracted to someone your brain releases the drug dopamine giving the same reaction that taking cocaine or speed would create.