Disruptive Mood Dysregulation Disorder is diagnosed in the presence of:

A diagnosis of Disruptive Mood Dysregulation Disorder cannot be diagnosed before the individual is at least ___ years of age or after he/she is ___ years of age, and age of onset must be before age ___.

A diagnosis of Major Depressive Disorder requires the presence of at least ___ symptoms of a major depressive episode nearly every day for at least __________, with at least one symptom being depressed mood or loss of interest/pleasure (or, in children and adolescents, a depressed or irritable mood).

Symptoms of a major depressive episode include:

Specifiers for MDD address severity, course, and accompanying features. The latter include with _____________ features, with atypical features, with _________ onset, and with _____________ pattern.

The specifier of with peripartum onset is applied to MDD, Bipolar I, and Bipolar II when the onset is during pregnancy or within _______ postpartum.
4 weeks.

Depression with peripartum onset is often characterized by __________, preoccupation with the infant’s well-being, and (in extreme cases) _____________ about the infant.

About ___ to ___% of women experience depression either during pregnancy or in the first several months after giving birth, while ___ to ___% develop postpartum psychosis.

“Baby blues,” characterized by mild transitory mood symptoms, affects up to ___% of women during the first ____________ following delivery.

The specifier, with seasonal pattern, is applied to MDD, Bipolar I, and Bipolar II Disorder when there is a ______________ relationship between the onset of a mood episode and the _______________.

Mood fluctuations corresponding to changes in time/season is also known as __________________ (SAD), and occurs most often in the ______________ in the Northern Hemisphere.

SAD is associated with _______________, increased appetite and weight gain, and craving for _____________.

SAD has been linked to increases in ____________ levels, a phase-delay in _______________, and ________________ dysfunction.

EEG abnormalities during sleep are experienced by ___ to ___% of outpatients experiencing a major depressive episode.
40 to 60%.

____% of people with MDD experience anxiety during their lifespan.
60%.

According to the DSM-5, the 12-month prevalence rate for MDD in the U.S. is about ___%, with marked age-related differences:

The peak age of onset of MDD is the ________, with variable course duration and number of episodes.
Mid-20s.

MDD symptoms vary somewhat with age:

Concordance rates for MDD:

Research has also supported a link between MDD and the personality trait ________________.
Neuroticism.

According to the __________________, some forms of depression are due to a deficiency in norepinephrine.
Catecholamine Hypothesis.

According to the ___________________, depression is the result of low levels of serotonin.
Indolamine hypothesis.

Depression has also been linked to elevated levels of _______________, which causes atrophy of neurons in the hippocampus; there is evidence that the total duration of untreated depression correlates with the amount of _____________ of the hippocampus.

Lewinsohn’s (1974) Behavioral Theory of Depression is based on the principles of ________________, and attributes the disorder to a low rate of ________________ reinforcement for social and other behaviors, resulting in extinction of those behaviors and pessimism, low self-esteem, social isolation, and other features of depression.
