Understanding Bipolar Affective Disorder: Types, Symptoms, and Causes

Authors: Ava LeFevre, Marisa D’Amore 

Abstract

Bipolar Affective Disorder, commonly known as bipolar disorder, is a mental health condition characterized by significant shifts in mood, energy levels, and activity levels. Individuals with this disorder experience alternating episodes of mania (or hypomania) and depression, which can greatly impact their daily functioning, relationships, and overall quality of life. In this article, we will explore the different types of bipolar disorder, its symptoms, and the factors that contribute to its development.

Types of Bipolar Disorder

Bipolar disorder encompasses three main types: Bipolar I, Bipolar II, and Cyclothymic disorder (National Institute of Mental Health). Bipolar I disorder involves episodes of severe mania, often accompanied by depression. On the other hand, Bipolar II disorder is characterized by less severe manic episodes, known as hypomania, as well as depressive episodes. Cyclothymic disorder is associated with recurring hypomanic and depressive symptoms that fall short of qualifying as full-blown mania or major depression.

Manifestation and Impact of Symptoms

As mentioned previously,  a person with Bipolar Affective Disorder experiences a range of symptoms categorized into two phases: the manic phase and the depressive phase (Mayo Clinic). Bipolar disorder causes one to fluctuate between emotional highs (mania) and emotional lows (depression). This may result in a person feeling euphoric and extremely optimistic, then suddenly feeling very sad all in a matter of moments.

Symptoms of bipolar disorder include:

These symptoms may lead to challenges in many areas of a person’s life. Mood swings may contribute to difficulties in relationships, whereas trouble focusing and memory loss may contribute to difficulties at school. Therefore, it is essential to recognize these symptoms in oneself or in others, and to seek help from a professional when needed. It is also important to note that a person’s lifestyle may either worsen these symptoms or keep them in check. For example, drug abuse or traumatic events may trigger bipolar episodes (Mayo Clinic). However, lifestyle changes such as a healthy diet and regular exercise, along with medical help, may alleviate these symptoms. The key is to recognize these signs and symptoms and to take action immediately through personal choices and medical treatment. 

Causes of Bipolar Affective Disorder

While the exact causes of bipolar disorder are not fully understood, research suggests that it results from a combination of genetic, biological, and environmental factors.

Genetic Factors: Bipolar disorder tends to run in families, indicating a genetic component. Individuals with a family history of the disorder are at a higher risk of developing it themselves. However, having a family history does not guarantee that an individual will develop bipolar disorder. According to the Diagnostic and Statistical Manual of Mental Disorders (DSM-5), if an adult relative has either bipolar I or bipolar II disorder, the average risk of developing the condition increases by about tenfold. Recent research has identified specific genes, such as CACNA1 and ANK3, that are associated with bipolar disorder.

Neurochemical Imbalance: Imbalances in neurotransmitters, the chemicals in the brain that regulate mood and other functions, have been implicated in bipolar disorder. Serotonin, dopamine, and norepinephrine are among the neurotransmitters believed to play a role in the condition. These imbalances may contribute to the extreme mood swings characteristic of bipolar disorder (PsychCentral).

Biological Factors: Studies have revealed structural and functional differences in the brains of individuals with bipolar disorder. Brain imaging techniques have identified abnormalities in areas responsible for emotional regulation and impulse control. These differences may influence the development and course of the disorder. Additionally, neurotransmitters such as serotonin, dopamine, and norepinephrine, which play crucial roles in healthy brain function and mood regulation, have been associated with bipolar disorder.

Environmental Triggers: Environmental factors can trigger the onset or recurrence of bipolar disorder in individuals who are predisposed to the condition. Significant life stressors, traumatic events, major life changes, chronic stress, and substance abuse are among the environmental triggers linked to bipolar disorder. These environmental factors can contribute to the development of symptoms or the recurrence of episodes in individuals with a predisposition to bipolar affective disorder.

It is important to note that the interplay between genetic, biological, and environmental factors is complex and varies from person to person. The presence of certain risk factors does not guarantee the development of bipolar disorder, and individuals without identifiable risk factors can still experience the condition. Understanding these factors can provide valuable insights into the underlying mechanisms of bipolar disorder, but further research is needed to fully comprehend its causes.

Managing Bipolar Affective Disorder 

Living with bipolar disorder can be challenging, but there are various strategies and lifestyle changes that can help manage symptoms and promote overall well-being.

Here are some practical ways to relieve symptoms of bipolar disorder:

Remember, everyone’s experience with bipolar disorder is unique, and it’s important to work closely with your healthcare team to develop an individualized treatment plan. However, these strategies can help you take an active role in managing your symptoms, improving your quality of life and finding a sense of balance and stability.

Conclusion

Bipolar affective disorder is a complex mental health condition characterized by significant shifts in mood, energy levels, and activity levels. This disorder is categorized into three different types, including Bipolar I, Bipolar II, and Cyclothymic disorder. Accurate diagnosis can be challenging due to the confusing nature of mood episodes and the overlap of symptoms with other mental health conditions. Understanding the genetic, biological, and environmental factors that contribute to bipolar disorder can provide valuable insights into its development. Management of bipolar disorder involves a combination of medication, psychotherapy, and lifestyle adjustments. Seeking professional help from mental health practitioners is essential for accurate diagnosis and the development of a personalized treatment plan.

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