Function and Location
Dopamine reduces the activity of these cells, which help fight infections.
Lymphocytes
What is the name of the two main types of dopamine receptors?
D1 and D2
Does d1 or d2 promote cell firing?
D1
What neurotransmitter is the primary cause of Parkinson's disease?
Dopamine
In response to stress, dopamine is released in what physiological reaction that has two outcomes?
Fight or Flight
What is the original amino acid that dopamine is created from?
Tyrosine
If the dopamine cell is broken down by enzymes, how does it get excreted from the body?
Urine
Depression
At high levels, what effect does dopamine have on blood vessels?
Vasoconstriction
If cAMP levels are reduced or limited, what kind of process is this?
Inhibitory
What does dopamine bind to in the brain?
Postsynaptic neurons
What disease occurs when dopamine-producing neurons in the brain slowly break down and die?
Parkinson's disease
Dopamine is both a neurotransmitter and what type of chemical messenger in the body?
Neurohormone
When dopamine is converted into L-DOPA what helps to aid the reaction?
Tyrosine
Does a positive charge in the dopamine cell increase or decrease the likelihood of the cell activating?
Increase
What is the mental condition that has high dopamine levels in certain areas in the brain and is linked to hallucinations?
Psychosis
Dopamine is produced in these two brain regions before traveling to the prefrontal cortex.
Hypothalamus and VTA (ventral tegmental area)
Name 5 locations where dopamine receptors are located in the brain.
Prefrontal cortex, striatum, hippocampus, basal ganglia, limbic system
After the dopamine cell delivers its message to its receptor, where is it most likely to go?
The Neuron that released it
What mental disorder is caused by excess dopamine in some brain areas and too little dopamine in others?
Schizophrenia