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Tag Archives | Dopamine


Methamphetamine Users Have An Increased Risk Of Parkinson’s Disease

People who abused methamphetamine or other amphetamine-like stimulants were more likely to develop Parkinson’s disease than those who did not, in a new study from the Centre for Addiction and Mental Health (CAMH). The researchers examined almost 300,000 hospital records from California covering 16 years. Patients admitted to hospital for methamphetamine or amphetamine-use disorders had […]

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Researcher Guido Frank, MD

Brain Dopamine Related Reward Circuitry That Modulates Drive To Eat May Play Important Role In Bulimia Nervosa

Bulimia nervosa is a severe eating disorder associated with episodic binge eating followed by extreme behaviors to avoid weight gain such as self-induced vomiting, use of laxatives, or excessive exercise. It is poorly understood how brain function may be involved in bulimia. A new study led by Guido Frank, MD, assistant professor, Departments of Psychiatry […]

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Researcher Walter Kaye, MD

Brain Imaging Identifies Biological Reasons For ‘Food Anxiety’ In Patients With Anorexia Nervosa

Perhaps the most puzzling symptom of anorexia nervosa – a disorder that tends to occur in young women – is the refusal to eat, resulting in extreme weight loss. While most people have a great deal of difficulty in dieting and losing weight, particularly if a diet extends over many months or years, individuals with […]

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Researcher Risto Miikkulainen

Scientists Afflict Computers With Schizophrenia To Better Understand The Human Brain

Computer networks that cannot forget fast enough can show symptoms of a kind of virtual schizophrenia, giving researchers further clues to the inner workings of schizophrenic brains, researchers at The University of Texas at Austin and Yale University have found. The researchers used a virtual computer model, or “neural network,” to simulate the excessive release […]

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pills in a prescription medication bottle

Chronic Consumption Of Antipsychotic Medication Incites Further Drug Use

Almost half of all schizophrenics consume narcotics, nicotine, or alcohol. The reason for this addiction could be the very treatments these patients are undergoing, according to a new preclinical study published in Neuropsychopharmacology. “The secondary effects of antipsychotic drugs are numerous and invasive: facial tics, apathy, depression, weight gain, etc.,” says Anne-Marie Bédard, a Université […]

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