Sentences with phrase «reabsorbed by neurons»
This makes it a common target for antidepressants, which block serotonin from being reabsorbed by neurons after it has dispatched its signal, so more of it stays floating around the brain.
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Many antidepressants that target serotonin work by blocking serotonin transporters that reabsorb the neurotransmitter into a neuron, so it can be reused after it has sent a chemical signal.
Three basic mechanisms have been proposed over the years to explain the formation of specific neural circuitry: (1) an elaborate predetermined program encoded genetically in each neuron that unfolds according to rigid and unmodifiable rules, (2) a random process of trial and error in which growing nerve fibers that make the right connections are consolidated and those that fail are reabsorbed and (3) a general program of circuit formation that is brought to completion by an interplay between genetic and extrinsic factors.
SSRIs are thought to reduce depressive symptoms by increasing levels of serotonin, more specifically, making sure that serotonin stays between the neurons and is not reabsorbed to quickly by the nerve cell.