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Questions and Answers
What is the term for neurons that release a specific type of neurotransmitter, such as acetylcholine?
Cholinergic neuron
What is the name of the neurotransmitter released by Noradrenergic neurons?
Norepinephrine
What are the small pockets that store neurotransmitters called?
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What determines whether a neurotransmitter has an excitatory or inhibitory effect on the postsynaptic neuron?
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What are the larger pockets that store multiple neurotransmitters called?
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What is the primary function of Autonomine Jerotonin in the brain?
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What is the effect of having too little Autonomine Jerotonin in the brain?
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How can the susceptibility of an individual to depression be measured?
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Why do people take warm milk before bed to help them sleep?
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What is the effect of exogenous psycho-achie drugs on neurotransmitters?
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What is the difference between agonists and antagonists in influencing neurotransmitters?
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What is the neurotransmitter discovered by Otto Locwi that inhibits the heart rate of a frog?
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What is the complimentary role played by Cholinergic and Noradrenergic neurons in the nervous system?
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How is the response of a neurotransmitter determined in the nervous system?
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What is the primary function of Acetylcholine in the nervous system?
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Which neurotransmitter is involved in reward, pleasure, and motivation, and is implicated in addiction and schizophrenia?
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In which brain region is Acetylcholine found in high concentration, and what is its role in this region?
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What is the name of the neuro-transmitter released by a group of neurons referred to as cholinergic neurons?
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What happens to neurotransmitters when they are activated by an action potential?
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What determines whether a neurotransmitter will have an excitatory or inhibitory response?
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What is the name of the neurons that release norepinephrine as a neurotransmitter?
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Where are neurotransmitters stored before they are released into the synaptic cleft?
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Study Notes
Neurotransmitters
- Neurons that release a certain neurotransmitter are named after it, e.g., cholinergic neurons release acetylcholine (ACH).
- Neurons can be classified as motor, sensory, or autonomic, depending on their function.
Acetylcholine (ACH)
- ACH is a neurotransmitter involved in controlling muscle contractions, memory, and sensory perception.
- It is released by motor neurons and is responsible for controlling muscles and glands.
- High concentrations of ACH are found in the spinal cord and hippocampus.
Norepinephrine
- Norepinephrine is a neurotransmitter involved in controlling the autonomic nervous system, sleep, and emotions.
- Neurons that release norepinephrine are referred to as noradrenergic neurons.
Neurotransmitter Function
- Neurotransmitters can be either excitatory (stimulating) or inhibitory (calming) depending on the receptors they bind to.
- The response to a neurotransmitter is determined by the receptors it binds to, which can be either excitatory or inhibitory.
Agonists and Antagonists
- Agonists mimic the action of a neurotransmitter, increasing its effect, e.g., cocaine is a dopamine agonist.
- Antagonists block the action of a neurotransmitter, reducing its effect, e.g., curare is an acetylcholine antagonist.
Other Neurotransmitters
- Serotonin is involved in controlling sensory perception, temperature regulation, sleep, and emotions.
- Dopamine is involved in reward, motivation, and pleasure, and is linked to addiction and schizophrenia.
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Description
Test your knowledge of neurotransmitters, neurons, and their functions in the nervous system. Learn about cholinergic neurons, acetylcholine, and norepinephrine, and their roles in motor and sensory functions.
