Search results for dopamine

“Dr. Huberman contrasts these with effortful pursuits, but this is a conceptual analogy rather than evidence that screens or color produce drug-equivalent dopamine changes. Large peaks can be followed by reduced drive while signaling recovers.”

“Enhanced dopamine receptors may enable people with the disorder to better utilize their remaining dopamine. In this clip, Dr. Giselle Petzinger explains that strenuous exercise affects dopamine sensitivity in the brains of people with Parkinson's disease.”

“In this FoundMyFitness interview clip, Dr. Andrew Huberman describes deliberate cold as a rapid state-change tool that engages dopamine, norepinephrine, and epinephrine. Dr. Rhonda Patrick asks how temperature and duration affect the response.”

“Dopamine drives motivation Dopamine is a neuromodulator (not a neurotransmitter) that works broadly to change the way the circuits in our brains work. According to Dr. Huberman, dopamine is constantly “generating playlists of certain genres of neural circuit function.” The catecholamines.”

“However, as the disease progresses additional brain circuits are involved, and this compensation is no longer possible - leading to falls. In this clip, Dr. Giselle Petzinger explains how the loss of dopamine disrupts circuitry in the brains of people with Parkinson's disease.”

“When social drinkers (people without an alcohol use disorder) first consume alcohol, there's an activity spike in parts of the brain called the ventral striatum and the nucleus accumbens — both of which are key components of the brain's reward system. Alcohol triggers dopamine release in these areas, contributing to feelings of pleasure and satisfaction and encouraging repeated behavior.”

“In addition to serving as an external source of dopamine, L-DOPA stimulates the brain's release of neurotrophic factors (including BDNF). While this treatment can help lessen symptoms, it cannot reverse or halt disease progression.”

“Dopamine loss disrupts brain circuitry that may be fundamental in Parkinson's disease. Dopamine replacement drugs, such as levodopa, alleviate motor symptoms of the disease, but people often experience side effects over time.”

“He describes his own limited nicotine-gum experiment while emphasizing that nicotine is reinforcing, constricts blood vessels, and raises blood pressure. A randomized imaging study found nicotine-gum-related striatal dopamine release in smokers, related to dependence severity.”