Neuroscience Week 8: Depressive Disorders Flashcards
What is mood?
Depression prevalence
3rd most Common leading cause of woldwide disability
Depression treatment importance
Because it is treatable!!!!!
it is very dangerous if untreated (suicide)
Comorbidity of depression
4 listed
- Anxiety
- substance use
- personality disorders
- ADHD
Bipolar disorder treatment importance
Treatable
dangerous if untreated (suicide)
Bipolar disorder comorbidity
3 listed
- anxiety
- substance use
- high IQ
Depression pathology components
4 listed
- Cognitive thoughts
- emotions and feelings
- Vegetative or physiological symptoms
- behavioral (impulsivity)
Kay Jamison
Depression diagnostic characteristics
- 5 or more of the following symptoms for at least 2 weeks
- 1 symptom must be depressed mood or decreased interest
Depression symptom mnemonic
SIG E CAPS
- Sleep changes
- Interest
- guilt or worthlessness
- Energy loss
- concentration loss
- appetite loss or weight loss
- psychomotor agitation or retardation
- Suicidal ideation
depression: changes in the brain
3 listed
- decreased flow to the left frontal areas
- atrophy in the hippocampus
- antidepressants improve and neuroplasticity in the hippocampi
Manic Episode description
Hypomanic Episode description
Major Depressive Disorder: onset
25-35 years of age
Major Depressive Disorder: episodes
2 listed
- depressive episodes that last 10-12 weeks
- average number of episodes per lifetime is 4
Major Depressive Disorder: chronic
12% of patients have chronic unremitting course
Course of Major Depressive Disorder
Cycling disorders
3 listed
Bipolar I
Bipolar II
and
Cyclothymia
Onset of Bipolar I disorder
19-29 years of age
Bipolar I episodes
- manic episodes last 5-10 weeks
- Depressed episodes last 19 weeks
- Average number of episodes in lifetime is 10
Bipolar I Manic episodes duration
last 5-10 weeks
Bipolar I depressed episode duration
19 weeks
Bipolar I average # of episodes per lifetime
10
Major depressive disorder Episode duration
10-12 weeks
Major depressive disorder average # of Episodes per lifetime
4
Bipolar I disorder cycle
euthymia to mania to depression to euthymia
Bipolar II disorder cycle
Euthymia to hypomania to depression to euthymia
Cyclothymia disorder cycle
euthymia to hypomania to dysthymia to hypomania to euthymia
Course of Bipolar I Disorder
Disruptive mood dysregulation disorder
- only seen in children
- patterns of tantrums and erratic irritable moods
Persistent Depressive Disorder AKA
Dysthymia
Persistent Depressive Disorder description and diagnostic criteria
2 years or more of:
- appetite changes
- sleep changes
- low energy or fatigue
- low self-esteem
- poor concentration or indecisiveness
- feelings of hopelessness