PSYCHOLOGY

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PSYCHOLOGY

• Mood Disorders
• (Affective disorders)

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Mood Disorders

• Affective (Mood) Disorders
• Disorders characterized by emotional extremes

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Affective (Mood) Disorders

• 1. Major Depressive Disorder (common cold of
  psychology)
• for no apparent reason, two or more weeks of
  depressed moods, feelings of worthlessness,
  hopelessness, diminished interest or pleasure in
  most activities (anhedonia),
• loss of appetite
• sleep disturbances
• psychomotor agitation

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Affective (Mood) Disorders

1. Dysthymic disorder - depression that exists for
   at least 2 yrs., less severe symptoms (mild) but
   more enduring (persistent)
2. Affective mood disorder - depression cause by
   lack of light (deep winter months)

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Mood Disorders

• 2. Manic Episode
• a hyperactive, wildly optimistic state -
  elevated, inflated self-esteem, sleeplessness,
  talkativeness, distracted, reckless behavior,
  irritable mood

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Mood Disorders

• 3. Bipolar Disorder (manic-depressive)
• alternates between the hopelessness and lethargy
  of depression and the overexcited state of mania

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Mood disorders

• Depression more common among females
• Most episode of depression last less than 3
  months
• People have recovered without professional
  therapy
• Anti-depressants increase levels of serotonin
  norepinephrine
• Manic phase have too much norepinephrine

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Mood Disorders-Bipolar

• PET scans show that brain energy consumption
  rises and falls with emotional switches

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Mood Disorders-Depression
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Mood Disorders-Depression

• Canadian depression rates

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Mood Disorders- Suicide
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Mood Disorders-Depression

• Altering any one component of the
  chemistry-cognition-mood circuit can alter the
  others

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Mood Disorders-Depression

• The vicious cycle of depression can be broken at
  any point