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Selective serotonin reuptake inhibitors work by doing which of the following? a) causing a...

Question:

Selective serotonin reuptake inhibitors work by doing which of the following?

a) causing a greater concentration of serotonin in the synapses

b) inhibiting acetylcholine esterase

c) inhibiting serotonin receptors on the postsynaptic neuron

d) causing an increase in the number of synapses per neuron

Neurotransmitter Imbalances

There are number of factors that influence an individuals predisposition in acquiring something like depression and anxiety. However, many of which are rooted in biological causes, namely adnormal levels of neurotransmitters. Specifically, group of neurotransmitters called the monoamines, of which include dopamine, serotonin and norepinephrine, are highly influential on our moods. It's important to keep in mind that imbalances can stem not just from having too high or too low concentration of neurotransmitters, but symptoms can manifest themselves if an individual has a low concentration of NT receptors.

The neurotransmitter most often associated with depression is serotonin. The functions of serotonin are numerous as there are 7 different types of serotonin receptors in the body. Binding of these receptors is associated with appetite, sleep, memory and learning, temperature regulation, mood, behavior. Low serotonin levels can cause fatigue, sleep disorders, loss of appetite, hot flashes, headaches, increased emotional sensitivity and depression.

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a) causing a greater concentration of serotonin in the synapses

SSRIs are the most common prescribed treatment for depression. They travel to the...

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How Antidepressants Work in the Brain

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Chapter 8 / Lesson 9
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One of the main treatments for depression is a prescription antidepressant, which changes some of the chemical activity in the brain. Discover what depression is, how the brain works, how antidepressants work, and what SSRIs and SNRIs are.


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