depression

• Depression is a category of mood disorders:

  unipolar

  bipolar
• To be diagnosed with depression, sufferers must display at least five symptoms, every day for at least two weeks
• Behavioural characteristics of depression - loss of energy, sleep disturbances, changes in appetite
• Emotional characteristics of depression - feelings of sadness, worthlessness and lack of interest or pleasure. some feel anger towards themselves or others
• Cognitive characteristics of depression - diminished ability to concentrate, tendency to focus on negative things