Sentences with phrase «brain chemical receptors»

Not exact matches

The chemicals in both bind to the mu opioid receptor in the brain.
Cannabinoids are why we're here: They're chemical compounds that act on receptors in the brain and can alter neural function.
«There are receptors in the brain for melatonin that regulate brain chemicals related to anxiety and calming,» he explains.
Using a small amount of a radioactive substance as a tracer, the scientists focused on the brain's mu - opioid system in which chemicals called endogenous opioids bind to receptors and hinder the spread of pain messages in the brain.
He works by tweaking the chemical structures of the drugs, sometimes changing just a few molecules to see what impact this might have on the interaction between the drug and the brain receptors their parent compounds normally act upon.
What's more, the gene codes for a chemical receptor involved in many brain functions, such as learning and memory, so the gene might also be involved in behavioral disorders.
One of your biggest discoveries was how addiction affects the D2 receptor, the protein that determines how sensitive individuals are to the release of the neurotransmitter dopamine, a chemical in the brain associated with feelings of reward and pleasure.
The scientists observed that transmission of chemical signals between the nerve cells are facilitated by AMPA - receptors and the activity occurs on the brain cell surface.
In October researchers in Canada found that the depressed who commit suicide have an abnormal distribution of receptors for the chemical GABA, one of the most abundant neurotransmitters in the brain.
Anandamide is among a class of naturally occurring chemicals in the body known as endocannabinoids that attach to the same brain cell receptors as does marijuana's active ingredient, THC, with similar outcomes.
«The brain along with the reproductive system and every other cell in your body is exquisitely sensitive to exceedingly small changes in estrogen and other sex hormones, and the fact that the environment is full of chemicals that can activate estrogen receptors means this phenomenally sensitive system is being perturbed constantly by environmental factors.»
«New drug could be safer, non-addictive alternative to morphine: The peptide - based drugs, which mimic a natural brain chemical, target the same pain - relieving opioid receptor as morphine.»
In a final experiment, when the researchers gave the bees a drug that disrupted receptors for dopamine, a neurotransmitter linked with motivation and reward, the bias disappeared, echoing the way this brain chemical works in mammals.
They traced the effect to changes in dopamine, a brain chemical that contributes to the experience of reward, and to possible changes in GABA receptors, which can act as a brake system to keep dopamine in check.
Receptors facilitate chemical and electrical signals between neurons in the brain, allowing those neurons to communicate with each other.
The drug boosted dopamine, a brain chemical involved in pleasure and motivation, equivalently, but pair - bonded voles had fewer receptors ready to receive the dopamine signal.
He examines several well - studied receptors — the bacterial aspartate receptor (Tar), human epidermal growth factor receptor (EGFR), and human brain - derived neurotrophin receptor (BDNFR)-- and comes to a conclusion that they all have similar chemical structures with or without their corresponding ligands.
The researchers looked in rats» brains for the genetic instructions needed to make a key «pleasure receptor,» called D2, that allows brain cells to receive signals sent by the brain chemical dopamine — or cocaine.
Instead, it acts on chemicals in the brain, primarily receptors for serotonin, a chemical messenger involved in mood, among many other things.
But it's the mu receptor that is primarily responsible for opioids» analgesic effects, and drugs that fit it snugly launch a cascade of chemical changes in nerve cells that slow down the transmission of pain messages to the spinal cord and the brain.
Drugs used to treat brain disorders often interact with brain chemicals called neurotransmitters or the cell receptors that interact with neurotransmitters.
These drugs are Dopamine agonists because they bind to the dopamine receptors, and help with dopamine - mediated functions (dopamine being one of the chemicals that is severely in the Parkinsonian brain).
When certain chemicals in food or other materials trigger a response in these receptors, the brain detects one or more flavors — sweet, sour, salty, bitter or umami.
When injected, the chemical appears to kill off nerve endings and receptors that are responsible for sending pain signals to the brain.
Naturopathic physician, acupuncturist, and president of the New York Naturopathic Physicians, Peter Bongiorno, ND, explains that the thyroid affects every cell in the body, including the brain receptors for serotonin — a brain chemical that affects sleep.
A deficiency in serotonin causes depression and in some anxiety — in fact, the majority of antidepressants work by blocking the brain's serotonin receptors, freeing up more of the chemical to remain present in the brain.
«Psilocybin targets the serotonin receptors in the brain,» he said, «just as most antidepressants do, but it has a very different chemical structure to currently available antidepressants and acts faster than traditional antidepressants.»
If your brain can't generate and transmit the chemicals that make you feel good, you'll seek the effects from outside sources, and food / booze / drugs plug up the same receptors in the brain as the neurotransmitters should.
These chemicals cross the blood - brain barrier, enter the brain and bind to the same receptors that bind opiates like morphine and heroin, triggering a mild euphoria.
These behavioral changes were associated with alterations in the GABA system of the brain in the probiotic group, matching the known effects of antidepressant or anxiolytic chemical agents (for example, anxiolytic agents such as benzodiazepines work at GABA receptors)[91].
The brain and the nervous system influence the skin's immune cells through various receptors and chemical messengers, and scientists are now investigating how these respond to psychological stress.
«By directly interacting with melatonin receptors in the brain and peripheral tissues, environmental chemicals, such as carbaryl, may disrupt key physiological processes leading to misaligned circadian rhythms, sleep patterns, and altered metabolic functions increasing the risk for chronic diseases such as diabetes and metabolic disorders,» said Dubocovich.
«The effects of THC are felt when that chemical makes its way to those receptors within the brain, according to Pedersen.
The mechanism of action is not exactly known, however, its thought to block receptors of dopamine in the brain, a chemical used for cell - to - cell communication.
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