People with mood disorders often have
imbalances in certain neurotransmitters
, particularly norepinephrine and serotonin (Thase, 2009). These neurotransmitters are important regulators of the bodily functions that are disrupted in mood disorders, including appetite, sex drive, sleep, arousal, and mood.
What is the biogenic theory of mood disorders?
The biogenic amine hypothesis suggests
a reduction in serotoninergic and norepinephrinergic transmission in brain as being associated with depression
. The neurotrophic effects of antidepressants are secondary to the inhibition of neurotransmitter reuptake, enhancing their availability in the synaptic cleft.
Social-cognitive therapists believe that
negative thought and moods interact causing the depression
. Social-cognitive therapists suggest that learned helplessness contributes to mood disorders.
How do genetics affect mood disorders?
Genetic factors are known to play an important role in infl uencing susceptibility to Mood disorders: indeed, formal genetic studies suggest that the risk for first-degree relatives of an affected proband is
about threefold higher than
the overall population for Major depressive disorder and tenfold higher for bipolar …
How does the biological approach explain bipolar disorder?
When cells don’t produce or metabolize energy as they typically would, the
resulting imbalances in brain energy
could lead to the changes in mood and behavior often seen with bipolar disorder.
What is the most common type of mood disorder?
The most common types of mood disorders are
major depression
, dysthymia (dysthymic disorder), bipolar disorder, mood disorder due to a general medical condition, and substance-induced mood disorder. There is no clear cause of mood disorders.
What is the most common psychological disorder?
Anxiety disorders
are the most common mental illness in the U.S., affecting 40 million adults in the United States age 18 and older, or 18.1% of the population every year. Anxiety disorders are highly treatable, yet only 36.9% of those suffering receive treatment.
What are the two major mood disorders?
Two of the most common mood disorders are
depression and bipolar disorder
. This article will review these disorders and some of their many subtypes.
How do you describe mood disorders?
If you have a mood disorder, your
general emotional state or mood is distorted or inconsistent with your circumstances and interferes with your ability to function
. You may be extremely sad, empty or irritable (depressed), or you may have periods of depression alternating with being excessively happy (mania).
What is the biogenic theory?
PetroWiki.
A theory of petroleum formation in which the petroleum is thought to have originated from plant and animal material that has undergone transformation from deep burial
.
Which type of mood disorder has the greatest heritability?
Bipolar disorder
is a mood disorder characterized by impairing episodes of mania and depression. Twin studies have established that bipolar disorder is among the most heritable of medical disorders and efforts to identify specific susceptibility genes have intensified over the past two decades.
Is mood genetic?
Mood disorders can run in families. Researchers believe that many factors play a role. The factors that produce the trait or condition are often both inherited and environmental. They include a
mix of genes from both parents
.
Is bipolar inherited from the mother or father?
Bipolar
disorder is frequently inherited
, with genetic factors accounting for approximately 80% of the cause of the condition. Bipolar disorder is the most likely psychiatric disorder to be passed down from family. If one parent has bipolar disorder, there’s a 10% chance that their child will develop the illness.
What are the biological causes of bipolar?
Bipolar disorder is widely believed to be the result of
chemical imbalances in the brain
. The chemicals responsible for controlling the brain’s functions are called neurotransmitters, and include noradrenaline, serotonin and dopamine.
Are people born bipolar?
Genes. Bipolar disorder often runs in
families
, and research suggests that this is mostly explained by heredity—people with certain genes are more likely to develop bipolar disorder than others. Many genes are involved, and no one gene can cause the disorder. But genes are not the only factor.
What is the root cause of bipolar?
The exact cause of bipolar disorder
is unknown
, but several factors may be involved, such as: Biological differences. People with bipolar disorder appear to have physical changes in their brains. The significance of these changes is still uncertain but may eventually help pinpoint causes.
