Medical research
That anxiety may be in your gut, not in your head
For the first time, researchers at McMaster University have conclusive evidence that bacteria residing in the gut influence brain chemistry and behaviour.
May 17, 2011
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News tagged with brain chemistry
Genetics
A 'factory reset' for the brain could cure anxiety, drinking behavior
Gene editing may be a potential treatment for anxiety and alcohol use disorder in adults who were exposed to binge drinking in their adolescence, according to the results of an animal study published in the journal Science ...
May 4, 2022
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Neuroscience
Dopamine release in human brain tracked at microsecond timescale reveals decision-making
A research team led by investigators at the Virginia Tech Carilion Research Institute has demonstrated the first rapid measurements of dopamine release in a human brain and provided preliminary evidence that the neurotransmitter ...
Oct 28, 2011
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Neuroscience
Stressed-out rats consume more alcohol, revealing related brain chemistry
Stress, defined broadly, is a well-known risk factor for later alcohol abuse; however, the brain chemistry underlying interactions between stress and alcohol remain largely unknown. Reinforcement of addictive substance use ...
Nov 4, 2016
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Psychology & Psychiatry
Promising steps towards hope for a treatment for schizophrenia
Schizophrenia is a severe mental health condition that causes significant disability, and affects 1 in 100 people. Patients with schizophrenia commonly experience negative symptoms, which include lack of motivation, social ...
Oct 4, 2019
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Medical research
'Promiscuous parasites' hijack host immune cells
Toxoplasma gondii parasites can invade your bloodstream, break into your brain and prompt behavioral changes from recklessness to neuroticism. These highly contagious protozoa infect more than half the world's population, ...
Sep 20, 2011
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Neuroscience
New drug could treat Alzheimer's, multiple sclerosis and brain injury
A new class of drug developed at Northwestern University Feinberg School of Medicine shows early promise of being a one-size-fits-all therapy for Alzheimer's disease, Parkinson's disease, multiple sclerosis and traumatic ...
Jul 24, 2012
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Medical research
Nicotine withdrawal in zebrafish offers clues to human addiction
Researchers have identified nicotine-induced withdrawal for the first time in the zebrafish model—a discovery that could be used to test ways of treating withdrawal from addiction in humans.
Aug 21, 2020
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Neuroscience
Extroverts have more sensitive brain-reward system
Extroverts may be more outgoing and cheerful in part because of their brain chemistry, reports a study by Cornell neuroscientists.
Jul 11, 2013
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Psychology & Psychiatry
How gambling distorts reality and hooks your brain
To call gambling a "game of chance" evokes fun, random luck and a sense of collective engagement. These playful connotations may be part of why almost 80 percent of American adults gamble at some point in their lifetime. ...
Aug 13, 2018
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