Learn About Synapses
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Synapses are the very tiny gaps between nerve cells.
When a nerve signal goes from one nerve cell to another; it must be transmitted (sent) across the synapse by special chemicals called neurotransmitters.
When a nerve signal goes from one nerve cell to another; it must be transmitted (sent) across the synapse by special chemicals called neurotransmitters.
Droplets of neurotransmitter are released into the synapse whenever a nerve signal arrives.
As the droplets of neurotransmitter lock on to the receiving nerve's receptors, they fire the signal onwards.
Each receptor site on a nerve-ending only reacts to certain neurotransmitters. Others have no effect.
As the droplets of neurotransmitter lock on to the receiving nerve's receptors, they fire the signal onwards.
Each receptor site on a nerve-ending only reacts to certain neurotransmitters. Others have no effect.
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Sometimes several signals must arrive before enough neurotransmitter is released
Nerve signals are I transmitted across a synapse as chemical | messengers called neurotransmitters. These lock on to receptors on the receiving nerve to fire the receiving nerve.
Nerve signals are I transmitted across a synapse as chemical | messengers called neurotransmitters. These lock on to receptors on the receiving nerve to fire the receiving nerve.
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More than 40 neurotransmitter chemicals have been identified.
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Dopamine is a neurotransmitterthat works in the parts of the brain that control movement and learning. Parkinson's disease may develop when the nerves that produce dopamine break down.
Serotonin is a neurotransmitterthat is linked to sleeping and waking up, and also to your mood.
Acetylcholine is a neurotransmitterthat may be involved in memory, and also in the nerves that control muscle movement.
Serotonin is a neurotransmitterthat is linked to sleeping and waking up, and also to your mood.
Acetylcholine is a neurotransmitterthat may be involved in memory, and also in the nerves that control muscle movement.
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