Chapter 7: Mood Disorders Flashcards
Symptoms of depression
- Feelings of sadness, hopelessness, passivity, sleep and eating disturbances lasting for two weeks or more.
- Experiences five or more emotional, cognitive, motivational and somatic symptoms and one of the symptoms must be depressed mood or loss of interest or pleasure.
Define “Episodic Depression”
Lasts for less than two years and has a clear beginning, which distinguishes it from previously nondepressed functioning.
Define “Chronic depression”
A.k.a., Dysthymia, is less severe than major depression. With dysthymia, the depression symptoms can linger for a long period of time, often two years or longer. Those who suffer from dysthymia can also experience periods of major depression
Symptoms of melancholia
Severity in…
- Loss of pleasure from all activities
- Numbing
- General lack of reaction to pleasurable events
- Worse in the morning
- Early morning awakening
- Lethargia
- Weight loss
- Guilt
- Slow speech
- Slow movement
- Lack of reaction to environmental change during episode
- Somatic symptoms
Who is most susceptible to depression?
- Those born after 1970, live in a prosperous nation and are female.
- Women twice as likely as men to get depression
Mood symptoms of depression
Comorbid with anxiety disorders
Loss of interest in bigger things (job or child-rearing), progressing to smaller things (food, sex).
64% lose enjoyment of other people
What percentage of Americans are depressed?
1/20
Cognitive Symptoms of depression
-Thinks of self in a very negative light
-Believes they are cause of own failures
Pessimistic about future
Motivational Symptoms of depression
- Ambivalence
- Trouble getting up in the morning or getting started
Physical symptoms of depression
- Loss of sex drive, appetite, weight
- Somatic symptoms
- Higher rate of physical illness
- Especially true of melancholia
- Depression is often symptom of cancer, heart disease and infectious illness
What are the theories behind the sex differences of depression?
- Women more likely to admit depression than men in Western society
- Women: Passivity and crying
- Men: Anger or indifference
- Women experience premenstrual dysphoric disorder: spontaneous sadness, anger, tensity, depression, apathy, overwhelmed, difficulty concentrating, appetite changes, sensitivity to rejection, sleep changes
- Women carrying depressive gene are more likely to become depressed whereas men are more likely to become alcoholics
- Differences of dealing with adversity: men inclined to more action and less thought and women ruminate more
What women are least likely to get depressed?
Those with…
- Intimate relationship with significant other
- Part or full time job
- Fewer than three children
- Religious commitment
Why do those who are depressed more prone to getting sick?
Hypothalamic-pituitary-adrenal axis: Greatly increased levels of cortisol in blood and cerebrospinal fluid.
- Cortisol increases delivery of glucose to the bloodstream to enable defensive action against a stressor.
- However, it also shuts down wound-healing and the deactivation of germs by the immune system
Which brain regions are suspected to cause depression?
Right-Frontal Lobe
Explain the Psychodynamic Approach of Depression
-Anger against the self, dependence on others for self esteem and helplessness at achieving one’s goals causes depression
Biological: Drug Treatment for Depression
Tricyclic antidepressants
-Monoamine oxidase inhibitors:
inhibit monoamine oxidase, thereby increasing norepinephrine
-Selective serotonin reuptake inhibitors:
inhibit the reuptake of serotonin
60-70% success rate in patients with mild depression
Reduces the chances of relapse
Biological: Electroconvulsive Shock Therapy for Depression
Electro-convulsive shock therapy Discovered in 1938 80% improvement Side-effects are high and many Amnesia, high recurrence, motivational changes, cognitive deficits on learning and memory Inexpensive No known reasons as to why it works.