Dopamine News and Research

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Dopamine is a hormone and neurotransmitter occurring in a wide variety of animals, including both vertebrates and invertebrates. In the brain, this phenethylamine functions as a neurotransmitter, activating the five types of dopamine receptors — D1, D2, D3, D4 and D5, and their variants. Dopamine is produced in several areas of the brain, including the substantia nigra and the ventral tegmental area. Dopamine is also a neurohormone released by the hypothalamus. Its main function as a hormone is to inhibit the release of prolactin from the anterior lobe of the pituitary. Dopamine has many functions in the brain, including important roles in behavior and cognition, motor activity, motivation and reward, inhibition of prolactin production (involved in lactation), sleep, mood, attention, and learning. Dopaminergic neurons (i.e., neurons whose primary neurotransmitter is dopamine) are present chiefly in the ventral tegmental area (VTA) of the midbrain, substantia nigra pars compacta, and arcuate nucleus of the hypothalamus.
Lemon verbena extract boosts sleep quality

Lemon verbena extract boosts sleep quality

Study demonstrates link between disrupted developmental dopamine signaling and ASD

Study demonstrates link between disrupted developmental dopamine signaling and ASD

Study links gut microbiome modulation to changes in social behavior

Study links gut microbiome modulation to changes in social behavior

Metabolomics study finds biomarkers predicting autism in newborns

Metabolomics study finds biomarkers predicting autism in newborns

Enhanced weight loss outcomes with GLP-1 analogues and bupropion/naltrexone combination

Enhanced weight loss outcomes with GLP-1 analogues and bupropion/naltrexone combination

The power of mixed selectivity: Insights into brain function and cognition

The power of mixed selectivity: Insights into brain function and cognition

Does your ADHD medication increase your risk of glaucoma?

Does your ADHD medication increase your risk of glaucoma?

Rutgers scientists create CRISPR-edited mice to study the neurobiology of Tourette disorder

Rutgers scientists create CRISPR-edited mice to study the neurobiology of Tourette disorder

U of T researchers develop new approach for controlling neuron generation in Parkinson's disease

U of T researchers develop new approach for controlling neuron generation in Parkinson's disease

Parkinson’s UK invests £2.1 million in Neumora Therapeutics for preclinical testing of new Parkinson’s drug

Parkinson’s UK invests £2.1 million in Neumora Therapeutics for preclinical testing of new Parkinson’s drug

Exploring the potential of ketogenic diets in managing epilepsy

Exploring the potential of ketogenic diets in managing epilepsy

U-M scientists develop new tool to better understand neuronal signaling

U-M scientists develop new tool to better understand neuronal signaling

Study shows meth users have lower empathy and higher aggression, ecstasy users show normal empathy but more impulsive aggression

Study shows meth users have lower empathy and higher aggression, ecstasy users show normal empathy but more impulsive aggression

Monoclonal antibody Prasinezumab shows promise in slowing rapid Parkinson's progression

Monoclonal antibody Prasinezumab shows promise in slowing rapid Parkinson's progression

New platform can deliver gene therapy precisely to specific areas of the brain

New platform can deliver gene therapy precisely to specific areas of the brain

Study finds dysfunction of key brain systems in people with psychosis

Study finds dysfunction of key brain systems in people with psychosis

New natural supplement shows promise in preventing postpartum blues

New natural supplement shows promise in preventing postpartum blues

Gut-friendly psychobiotics could brighten moods and fight depression

Gut-friendly psychobiotics could brighten moods and fight depression

Dartmouth-led research identifies unique brain areas for emotion regulation

Dartmouth-led research identifies unique brain areas for emotion regulation

Study explores how cannabis use affects breast milk and lactation

Study explores how cannabis use affects breast milk and lactation

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