How does depression/anxiety affect neurotransmitters|Course hero helper
Posted: February 5th, 2023
According to the National Institutes of Mental Health, over 17 million Americans experience a major depressive episode in an average year. Additionally, the NIHM estimates that 31.1% of Americans will experience diagnosed anxiety during their lifetime (NIMH, 2021). As we learn about the nervous system this module, we can use these two common disorders to help gain an understanding of basic nerve function.
Initial post: For your discussion post, choose either depression or anxiety and answer the following questions. Remember to use your own words when explaining these concepts. Support your opinion with valid research and cite your sources appropriately.
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- How does depression/anxiety affect neurotransmitters?
- How does depression/anxiety affect synapses?
- How does depression/anxiety affect neuron function?
SOLUTION
Depression
- How does depression affect neurotransmitters? Depression has been linked to imbalances in neurotransmitters, specifically serotonin, norepinephrine, and dopamine, which play a key role in regulating mood and emotions. Low levels of these neurotransmitters have been associated with symptoms of depression, such as sadness, irritability, and loss of interest in pleasurable activities. Additionally, certain antidepressant medications work by increasing the levels of these neurotransmitters in the brain.
- How does depression affect synapses? Depression has also been associated with changes in the structure and function of synapses, the connections between neurons. Research has shown that depression can lead to alterations in the number and strength of synapses, which can contribute to the symptoms of depression and affect the ability of neurons to communicate with each other.
- How does depression affect neuron function? Depression can also affect the overall function of neurons, including their ability to process information and respond to stimuli. Research has shown that depression can alter the functioning of the hippocampus, a key brain region involved in regulating mood and emotions, which can contribute to the symptoms of depression.
Sources:
- National Institute of Mental Health (NIMH). (2021). Depression. Retrieved from https://www.nimh.nih.gov/health/topics/depression/index.shtml
- Duman, R. S., & Aghajanian, G. K. (1997). Synaptic dysfunction in depression: potential therapeutic targets. Science, 238(4825), 804-808.
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