Mood Disorders | Noba

Overview of Mood Disorders

  • Perinatal Depression: Affects about 5% of mothers; stigma exacerbates the issue.

  • Bipolar Disorders: Characterized by cycles of high energy and depression, prevalent in adolescents more so than adults.

  • Impact of Relationships: Events like divorce or death can significantly affect mood.

  • Treatment Options: Medications, meditation, exercise, and counseling can help manage mood disorders.

What Are Mood Disorders?

  • Definition: Mood disorders involve extended periods of depression, euphoria, or irritability that significantly affect daily life and functioning.

  • Common Types:

    • Major Depressive Disorder (MDD)

    • Bipolar Disorder (BD)

Mood Episodes

  • Major Depressive Episode (MDE): Lasts at least two weeks with core symptoms including:

    1. Depressed mood

    2. Diminished interest or pleasure (anhedonia)

    3. Significant weight changes

    4. Sleep disturbances

    5. Fatigue

    6. Feelings of worthlessness

    7. Impaired concentration

    8. Suicidal ideation

  • Manic Episode: Distinct period of euphoric mood lasting at least one week, includes symptoms such as grandiosity, increased activity, and risky behavior.

  • Hypomanic Episode: Similar but shorter and less severe than manic episodes.

Prevalence and Demographics

  • MDD: Lifetime prevalence ~16.6% in the U.S.; onset typically in mid-20s.

  • BD: Lifetime prevalence ~4.4%; gender differences with women experiencing higher rates of MDD.

Risk Factors

  • Biological Factors: Genetic predispositions and individual differences.

  • Environmental Factors: Life stressors such as severe losses, chronic stress, and interpersonal relationships can trigger episodes.

Treatment for Mood Disorders

  • For MDD: Antidepressants (SSRIs, SNRIs, MAOIs); psychotherapy (Cognitive Behavioral Therapy, Interpersonal Therapy).

  • For BD: Lithium as the primary treatment; can use anticonvulsants and psychosocial therapy (IPSRT).

  • Emerging Treatments: ECT, TMS, and deep brain stimulation are options for resistant cases.

Conclusion

  • Mood disorders create significant challenges across genders, ages, and cultures. Effective treatments exist, and ongoing research continues to improve understanding and care.

Key Vocabulary

  • Anhedonia: Loss of interest in activities once enjoyed.

  • Grandiosity: Inflated self-esteem or self-importance.

  • Psychomotor Agitation: Increased motor activity due to restlessness.

  • Suicidal Ideation: Recurring thoughts about suicide.