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I am not an expert in this field, but we did study psychiatric disorders recently in my nursing classes. The neurotransmitter serotonin controls mood and sleep (among other things), and when you decrease its levels (or if uptake is blocked), people end up with clinical depression. Antidepressants work to increase serotonin (or increase its uptake). Also, GABA (gamma-Aminobutyric acid) is an inhibitory neurotransmitter that regulates excitability in the nervous system. So if there is too little GABA present, the hormones that cause excitability run wild and you end up with anxiety (overstimulation). Anxiolytics (anti-anxiety meds) work to increase GABA, which inhibits that excitabililty and slows those anxious feelings.

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15y ago
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6mo ago

Neurotransmitters that excite energy and inhibit lethargy include dopamine and norepinephrine. These neurotransmitters are involved in regulating arousal, motivation, and attention, which can help promote feelings of alertness and focus. Imbalances in these neurotransmitters can contribute to symptoms of fatigue and low energy levels.

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Q: Which 'neurotransmitters' excite energy and inhibit lethargy?
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What are the chemicals that are released at an axon terminal and can either excite or inhibit other neurons called?

Neurotransmitters are the chemicals released at an axon terminal that can either excite or inhibit other neurons. They help transmit signals across the synapses between neurons in the nervous system. Examples of neurotransmitters include dopamine, serotonin, and GABA.


How can neurotransmitters inhibit or excite a postsynaptic neurons?

Neurotransmitters can inhibit a postsynaptic neuron by binding to inhibitory receptors, which can open channels that allow negatively charged ions like chloride to enter the neuron, making it more negative and less likely to fire. On the other hand, neurotransmitters can excite a postsynaptic neuron by binding to excitatory receptors, leading to the opening of channels that allow positively charged ions like sodium to enter the neuron, depolarizing it and increasing the likelihood of firing an action potential.


What sends neurotransmitters toward the next nueron?

Neurotransmitters are released from the presynaptic neuron into the synaptic cleft, where they diffuse across to bind to receptors on the postsynaptic neuron. This binding initiates a series of events that can either excite or inhibit the postsynaptic neuron, leading to the transmission of signals in the nervous system.


Where are the receptors for neurotransmitters located?

Neurotransmitter receptors are located on the postsynaptic membrane of neurons. When a neurotransmitter binds to its specific receptor, it can either excite or inhibit the postsynaptic neuron, thereby influencing the transmission of signals in the brain.


What is the most important function of endorphins?

Endorphins are neurotransmitters that function to reduce pain and increase feelings of pleasure or euphoria. They can also help reduce stress, improve mood, and boost the immune system.

Related questions

What are the chemicals that are released at an axon terminal and can either excite or inhibit other neurons called?

Neurotransmitters are the chemicals released at an axon terminal that can either excite or inhibit other neurons. They help transmit signals across the synapses between neurons in the nervous system. Examples of neurotransmitters include dopamine, serotonin, and GABA.


How can neurotransmitters inhibit or excite a postsynaptic neurons?

Neurotransmitters can inhibit a postsynaptic neuron by binding to inhibitory receptors, which can open channels that allow negatively charged ions like chloride to enter the neuron, making it more negative and less likely to fire. On the other hand, neurotransmitters can excite a postsynaptic neuron by binding to excitatory receptors, leading to the opening of channels that allow positively charged ions like sodium to enter the neuron, depolarizing it and increasing the likelihood of firing an action potential.


Neurotransmitters bind to specific proteins on the postsynaptic membrane called?

Neurotransmitters bind to specific proteins on the postsynaptic membrane called receptors. These receptors initiate a series of events that can either excite or inhibit the firing of the postsynaptic neuron.


What sends neurotransmitters toward the next nueron?

Neurotransmitters are released from the presynaptic neuron into the synaptic cleft, where they diffuse across to bind to receptors on the postsynaptic neuron. This binding initiates a series of events that can either excite or inhibit the postsynaptic neuron, leading to the transmission of signals in the nervous system.


Where are the receptors for neurotransmitters located?

Neurotransmitter receptors are located on the postsynaptic membrane of neurons. When a neurotransmitter binds to its specific receptor, it can either excite or inhibit the postsynaptic neuron, thereby influencing the transmission of signals in the brain.


What is the most important function of endorphins?

Endorphins are neurotransmitters that function to reduce pain and increase feelings of pleasure or euphoria. They can also help reduce stress, improve mood, and boost the immune system.


How do neurotransmitters transmit signals across the synapse?

Neurotransmitters are released from the presynaptic neuron into the synaptic cleft. They bind to receptors on the postsynaptic neuron, triggering a response that can either excite or inhibit the postsynaptic neuron. After transmission, neurotransmitters are either broken down by enzymes, reabsorbed by the presynaptic neuron, or diffuse away.


Are neurotransmitters sometimes referred to as a key?

Yes, neurotransmitters are sometimes referred to as "keys" because they play a critical role in transmitting signals between nerve cells, or neurons. These molecules bind to specific receptors on the surface of neurons, which triggers a response in the receiving cell. Just like a key fits into a lock to open a door, neurotransmitters bind to receptors to either excite or inhibit activity in the brain and body.


What makes the cell body fire?

The cell body fires when it receives enough input signals, usually in the form of neurotransmitters from other neurons. These signals can excite or inhibit the cell body, changing its membrane potential until it reaches a threshold that triggers an action potential.


What are the 7 steps in neurotransmitter action?

Synthesis: Neurotransmitters are synthesized in the cell body of a neuron. Storage: Neurotransmitters are stored in vesicles at the axon terminal. Release: Action potentials trigger the release of neurotransmitters into the synaptic cleft. Binding: Neurotransmitters bind to receptors on the postsynaptic neuron. Action: Binding of neurotransmitters to receptors can either excite or inhibit the postsynaptic neuron. Reuptake: Neurotransmitters are taken back up by the presynaptic neuron for recycling. Degradation: Neurotransmitters can be broken down by enzymes in the synaptic cleft to terminate their action.


Is it true that a post synaptic potential is a graded potential that is the result of a neurotransmitter released into the synapse between two neurons?

Yes, that is correct. A postsynaptic potential is a localized change in the membrane potential of a postsynaptic neuron in response to neurotransmitters binding to receptors on its membrane. This results in a graded potential that can either excite or inhibit the postsynaptic neuron's firing.


What is needed to excite electrons?

For example when the electron absorb energy.