Dopamine and it’s role
Автор: MedCore
Загружено: 2025-11-03
Просмотров: 315
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The Role of Dopamine as a Neurotransmitter in the Human Brain - EnzoDopamine is a neurotransmitter and hormone that plays a crucial role in motor control, motivation, and the brain's reward system.
It helps the brain coordinate smooth movements, regulates mood and attention, and is involved in learning, memory, and the release of other hormones.
Roles of dopamine
Movement: Dopamine is vital for coordinating voluntary movements. Low levels are associated with the stiffness, slowness, and tremors seen in Parkinson's disease.
Reward and motivation: It is central to the brain's reward system, making you feel pleasure and encouraging you to repeat behaviors that are rewarding. This system helps motivate you to achieve goals.
Learning and memory: Dopamine helps strengthen neural connections, playing a key role in how you form memories and learn from experiences.
Attention and sleep: It influences attention span and helps regulate sleep cycles.
Hormone regulation: Dopamine can signal the release of other hormones, such as prolactin.
Cardiovascular function: In the body, at specific doses, it can act as a vasostimulant to treat low blood pressure and heart rate, but at higher doses, it causes vasoconstriction.
Dopamine imbalance
Low dopamine: Can lead to movement problems like those in Parkinson's disease, fatigue, and depression.
High or dysregulated dopamine: Can be associated with conditions like ADHD and is a factor in addiction. Drugs of abuse cause large dopamine spikes, reinforcing the addictive behavior.
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