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.
Depression and anxiety are among the most common mental illnesses in the United States. These disorders affect more than 18 million people, according to the National Institutes of Health (NIH). Although depression is often associated with sadness and lack of energy, it can also cause difficulty concentrating, memory problems and difficulty sleeping. In this post we’ll explore how depression affects neurotransmitters in the brain so that you know what changes to look out for when caring for someone with this condition.
The brain has a number of different neurotransmitters, including dopamine, serotonin, and GABA. These chemicals help to transmit messages between brain cells to regulate mood and other functions.
Dopamine is involved in feeling pleasure, motivation, and reward; it’s also responsible for Parkinson’s disease symptoms such as tremors or shaking. Serotonin helps regulate sleep cycles through its role as a neurotransmitter that affects moods such as sadness or happiness while also being linked with cravings for carbohydrates (like candy bars) when dieting too much.”
Dopamine is a neurotransmitter that helps control the brain’s reward and pleasure centers. It’s released when you eat, drink, or have sex; it’s also released when you take drugs like cocaine, amphetamines, or nicotine.
The main function of dopamine is to make people feel pleasure by activating their reward system—which then leads to an increase in appetite and appetite-related behaviors like eating more food or drinking more alcohol (or both).
Serotonin is a neurotransmitter, which means it helps to transmit signals within the body. It also plays an important role in regulating appetite, sleep and mood.
Serotonin helps the body’s immune system to function properly by stimulating T-cells—the cells that help us fight off infections and other diseases.
Depression and anxiety can also affect the levels of certain chemicals in the brain.
For example, when you are depressed, your body may not be able to produce as much norepinephrine (noradrenaline). This neurotransmitter helps regulate your mood by making you feel anxious or sad when something bad happens. The lack of norepinephrine means that you won’t have enough energy to deal with situations that cause stress—like being late for work or having a big exam coming up—and therefore may not be able to cope with these stressful situations well at all!
Similarly, if someone has an anxiety disorder such as generalized anxiety disorder or social phobia, their bodies produce too much cortisol (corticotropin-releasing hormone) because they’re constantly worrying about things that could happen in their lives; this excess cortisol can lead to weight gain due to increased appetite along with other symptoms such as fatigue loss motivation irritability depression insomnia low libido etcetera etcetera…
Working memory is a cognitive function that allows you to keep information in mind while you are using it to perform a task. It is important for many everyday activities, such as learning and reading. In addition, working memory is implicated in reasoning and problem solving.
The neurotransmitter dopamine plays an important role in the regulation of working memory by influencing how we use information presented at the moment—this means that if your body doesn’t have enough dopamine available then you won’t be able to think clearly or remember things well (which can lead to depression).
Depression can cause difficulty concentrating, even when you’re trying very hard to pay attention. With depression, your mind feels like it’s in a fog and you find yourself not being able to concentrate on tasks or focusing on what you’re doing.
This is because of the way that depression affects neurotransmitters in the brain—neurotransmitters are chemical messengers between neurons (nerve cells) that carry signals between different parts of our bodies and brains. These chemical messengers are called neurotransmitters because they “transmit” signals from one neuron to another by attaching themselves onto receptors on these other neurons’ surfaces; these receptors then allow neurotransmitters through their membranes into the cell where they may do their magic!
When we’re happy with ourselves or have high self-esteem, our brains release dopamine which makes us feel good about ourselves; when we experience negative emotions like fear or sadness instead though (which occurs often during times when we experience depression), dopamine production decreases resulting in less motivation among other things like feeling tired all day long after working hard all day long too…
When you have untreated depression, your sleep may suffer. If you’re experiencing insomnia or difficulty falling asleep or staying asleep, this can make your depression worse.
Sleep deprivation may also contribute to the development of other mental illnesses like anxiety and bipolar disorder.
Depression may cause problems with pain tolerance if it leads to muscle weakness or degeneration of tissue that normally protects against injury.
Depression can also affect the brain’s ability to regulate your emotions, leading to both physical and emotional symptoms such as:
Depression can affect your neurotransmitters in many ways. The main neurotransmitters that are affected include dopamine, serotonin and GABA (gamma-aminobutyric acid).
Dopamine is responsible for pleasure and reward. It also regulates movement, attention span, motivation and emotional responses like sadness or euphoria. Serotonin helps the immune system function properly; it increases our ability to cope with stress by increasing blood flow throughout our body so that we’re not as sluggish when under pressure. Anxiety is linked to high levels of this chemical in the brain—but depression doesn’t have that same effect on it! What does? Well it turns out there’s another chemical called phenylethylamine (PEA) which encourages us to feel good about ourselves by making us more optimistic about life as well as boosting our confidence levels when faced with tough situations – whether they be personal or professional ones.”
Depression and anxiety are serious mental illnesses that often go undiagnosed. People who suffer from these conditions need to be treated early in order to prevent serious complications such as a heart attack or stroke. If you think you might have depression, please contact us for a consultation with one of our experienced counselors who will be able to help guide you through treatment options for your specific needs.
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