PSYC 3604 – February 10 , 2017
Lecture 6 – Mood Disorders & Bipolar Disorders
Mood, just like anxiety, undergo fluctuations.
o It becomes a disorder when the fluctuation in mood becomes extreme.
o Prolonged enough to seriously disrupt life.
o Includes both the sadness of depression and the irritability of mania.
Five or more of the following nine symptoms must be presented during the same two-
week period and represent a change from previous functioning.
o Symptoms cause clinically significant distress or impairment in social or
o At least one of the 5 symptoms have to be one of the two
Loss of interest/pleasure
Major Depressive Episode
a. Depressed mood most of the day, nearly every day.
a.i. Indicated by subjective reports, or observations made by others
a.ii. In children/adolescents, this can be irritable mood
b. Markedly diminished interest or pleasure in all, or almost all, activities most of
the day, nearly every day (subjective report or observation).
c. Significant Weight Loss (without dieting) or gain
c.i. Decrease or increase in appetite nearly every day.
d. Insomnia or hypersomnia
e. Psychomotor agitation/retardation – excess/decrease of motor activity
g. Feelings of worthlessness or excessive
h. Diminished ability to think/concentrate
i. Recurrent thoughts of death, suicidal ideation without a specific plan or attempts.
Persistent Depressive Disorders
a. During a two-year period, the individual has never been without the preceding
symptoms for more than 2 months at a time.
b. Essential feature = chronic in the sense that is occurs for 2 years.
c. During the 2-year period they present 2 or more of the following symptoms:
c.ii. Under or over eating
c.iii. Low energy
c.iv. Poor concentration
c.v. Low self esteem
c.vi. Feeling of hopelessness
d. Symptom free for more than 2 months?
d.i. Clock is reset.
d.ii. Criteria for major depressive disorder may be continuously present for 2
e. Symptoms are not better accounted for und