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Psychological Disorders: Mood Disorders

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Psychological Disorders: Mood Disorders Two Broad Categories of Mood Disorders Depressive Disorders Bipolar Disorders Depressive Disorders (1) Major Depressive ... – PowerPoint PPT presentation

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Title: Psychological Disorders: Mood Disorders


1
Psychological Disorders Mood Disorders
2
Two Broad Categories of Mood Disorders
  • Depressive Disorders
  • Bipolar Disorders

3
Depressive Disorders
  • (1) Major Depressive Disorder (major depression)
  • The most common type of depressive disorder.
  • Characterized by periods of downcast mood,
    feelings of worthlessness, and loss of interest
    in pleasurable activities.
  • Is more common in women

4
Depressive Disorders Continued
  • (2) Seasonal Affective Disorder (SAD)
  • A type of major depression that involves a
    recurring pattern of Winter depressions followed
    by elevations in mood in the Spring and Summer.
  • More common in extreme northern climates

5
Depressive Disorders Continued
  • (3) Dysthymic Disorder
  • A relatively mild but chronic form of depression
  • Can last for months or years
  • More common in women

6
Bipolar Disorders
  • Characterized by alternating moods that shift
    between euphoric feelings and depression.
  • There are two major types
  • (1) Bipolar disorder
  • (2) Cyclothymic disorder

7
Bipolar Disorder
  • Formerly called manic depression
  • Involves mood swings that shift between elevated
    moods or euphoria manic episodes and
    depression.
  • People with this disorder experience normal moods
    also.
  • Examples of manic behavior
  • Extreme restlessness argumentativeness
  • Excitability lavish spending
  • Talkativeness reckless driving
  • Taking on tasks beyond a persons ability

8
Bipolar Continued
  • Mania eventually gives way to depression
  • Feelings of hopelessness and despair
  • Suicidal feelings
  • About 1 of the adult population in the U.S.
    suffers from bipolar disorder.

9
Cyclothymic Disorder
  • A mood disorder characterized by milder mood
    swings than bipolar disorder.
  • It is about as common as bipolar disorder.

10
Causes of Mood Disorders
  • There are several possible causes which may occur
    separately or together to cause mood disorders

11
Biological Causes
  • Brain chemicals Neurotransmitters serotonin and
    norepinephrine may be too low in depressed
    people.
  • Genetic factors There is a family connection
  • Faulty brain structure and function Research is
    being done in this area to see if the structures
    responsible for emotions, etc. are different in
    depressed people.

12
Psychological Factors
  • Each approach to psychology has a theory of what
    causes depression.
  • Psychodynamic Theory (Freud) says depression is
    the result of anger turned inward against the
    self.
  • Learning Theory (Behaviorist) Depression is the
    result of changes in reinforcement levels.
  • Cognitive Theory Says the way people interpret
    events, and distorted thinking can cause
    depression.
  • Learned Helplessness Theory Says people become
    depressed when they feel powerless to control
    aspects of their lives

13
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