Dopamine is widespread in the brain as well as the rest of the nervous system. This neurotransmitter plays a critical role in the control of movement. It has a stimulating effect on the heart, the circulation, the rate of metabolism, and is able to mobilize many of the body's energy reserves. It helps to modulate brain activity, control coordination and movement, and regulate the flow of information to different areas of the brain. Dopamine is believed to release chemicals that allow us to feel pleasure (e.g., endorphins). A massive disturbance of dopamine regulation in the brain can result in a person no longer being able to respond emotionally or express his or her feelings in an appropriate way
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ADHD and Dopamine -- Neurotransmitter.net
ADHD and dopamine. Don't forget to check out Neurotransmitter.net's research index for a list of dozens of other resources created by Shawn Thomas. Try this MEDLINE search for more information. ... study was to estimate striatal dopamine (D2) receptor availability in non-drug ...
Neuroscience for Kids - Neurotransmitters
... Austrian scientist named Otto Loewi discovered the first neurotransmitter. In his experiment (which came ... Small Molecule Neurotransmitter Substances. Acetylcholine (ACh) Dopamine (DA) ...
Understanding Addiction
Dopamine - A Sample Neurotransmitter. One of the neurotransmitters playing a major role in addiction is dopamine. Many of the concepts that apply to dopamine apply to other neurotransmitters as well. ... Neurons containing the neurotransmitter dopamine are clustered in the midbrain in an ...
Close to Home Animation: Cocaine
dopamine. receptor. uptake pump. NORMAL DOPAMINE FUNCTION. The gap where an electrical signal jumps from one neuron to another is called the synaptic cleft. This is a closeup of the cleft between one neuron and another. ... One important neurotransmitter involved in the experience of pleasure is called dopamine. Here, dopamine, shown in ... releases its load of dopamine into the synaptic cleft. ...
Molecular Expressions Photo Gallery: The Neurotransmitter Collection
The transmission of signals across a synapse is initiated by the presence of an electrical impulse and is accomplished by the use of small chemical messengers that are termed neurotransmitters. ... The Neurotransmitter Collection. Epinephrine ... contain metabolic precursors of dopamine, which can be converted into the neurotransmitter once within the body ...
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