Podcast
Questions and Answers
What is the term for neurons that release a specific type of neurotransmitter, such as acetylcholine?
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?
What is the name of the neurotransmitter released by Noradrenergic neurons?
Norepinephrine
What are the small pockets that store neurotransmitters called?
What are the small pockets that store neurotransmitters called?
Vesicles
What determines whether a neurotransmitter has an excitatory or inhibitory effect on the postsynaptic neuron?
What determines whether a neurotransmitter has an excitatory or inhibitory effect on the postsynaptic neuron?
What are the larger pockets that store multiple neurotransmitters called?
What are the larger pockets that store multiple neurotransmitters called?
What is the primary function of Autonomine Jerotonin in the brain?
What is the primary function of Autonomine Jerotonin in the brain?
What is the effect of having too little Autonomine Jerotonin in the brain?
What is the effect of having too little Autonomine Jerotonin in the brain?
How can the susceptibility of an individual to depression be measured?
How can the susceptibility of an individual to depression be measured?
Why do people take warm milk before bed to help them sleep?
Why do people take warm milk before bed to help them sleep?
What is the effect of exogenous psycho-achie drugs on neurotransmitters?
What is the effect of exogenous psycho-achie drugs on neurotransmitters?
What is the difference between agonists and antagonists in influencing neurotransmitters?
What is the difference between agonists and antagonists in influencing neurotransmitters?
What is the neurotransmitter discovered by Otto Locwi that inhibits the heart rate of a frog?
What is the neurotransmitter discovered by Otto Locwi that inhibits the heart rate of a frog?
What is the complimentary role played by Cholinergic and Noradrenergic neurons in the nervous system?
What is the complimentary role played by Cholinergic and Noradrenergic neurons in the nervous system?
How is the response of a neurotransmitter determined in the nervous system?
How is the response of a neurotransmitter determined in the nervous system?
What is the primary function of Acetylcholine in the nervous system?
What is the primary function of Acetylcholine in the nervous system?
Which neurotransmitter is involved in reward, pleasure, and motivation, and is implicated in addiction and schizophrenia?
Which neurotransmitter is involved in reward, pleasure, and motivation, and is implicated in addiction and schizophrenia?
In which brain region is Acetylcholine found in high concentration, and what is its role in this region?
In which brain region is Acetylcholine found in high concentration, and what is its role in this region?
What is the name of the neuro-transmitter released by a group of neurons referred to as cholinergic neurons?
What is the name of the neuro-transmitter released by a group of neurons referred to as cholinergic neurons?
What happens to neurotransmitters when they are activated by an action potential?
What happens to neurotransmitters when they are activated by an action potential?
What determines whether a neurotransmitter will have an excitatory or inhibitory response?
What determines whether a neurotransmitter will have an excitatory or inhibitory response?
What is the name of the neurons that release norepinephrine as a neurotransmitter?
What is the name of the neurons that release norepinephrine as a neurotransmitter?
Where are neurotransmitters stored before they are released into the synaptic cleft?
Where are neurotransmitters stored before they are released into the synaptic cleft?
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.
