Psychiatry 精神病学 Wang Keqin Jining Medical College lining Medical Colleg
Chapter 3 Mood Disorders
1.Introduction Universality of emotional expression
1.1 What IS an emotion? EMOTION Body response (arousal) Increased blood pressure, heart rate,muscle tension respiration Expressive reaction Facial expression, acting out Subjective experience Feeling of happiness,anger, fear,etc. erstock.com Jining Medical College
1.2 Why have emotions? 1.Emotions communicate consistent across cultures and even species 2.Emotions aid in decision-making gut feelings often right ■ people with damage to the emotional system are poor at using past outcomes to regulate future behavior in a gambling task 3.Emotions capture attention and aid memory 4.Emotions strengthen interpersonal relations guilt,embarrassment,jealousy
1.3 What IS a Mood a pervasive and sustained emotion that, when extreme,can color one's whole view of life and markedly affect behavior. ---Dorland's illustrated medical dictionary,31 ed
1.4 What are mood disorders the disorders in which the fundamental disturbance is a change in affect or mood to depression (with or without associated anxiety)or to elation.The mood change is usually accompanied by a change in the overall level of activity;most of the other symptoms are either secondary to,or easily understood in the context of,the change in mood and activity.Most of these disorders tend to be recurrent and the onset of individual episodes can often be related to stressful events or situations. ICD-10 World Health ICD Organization Version 2006
2.Classification of mood disorders Jining Medical Colleae
Term description Central features of mania: elevated or irritable mood ·overactivity severe mania self-important ideas hypomania(mild to moderate mania) normal/balanced mood Central features of depression: mild to moderate depression ·depressed mood severe depression negative thinking ·lack of enjoyment ·reduced energy Jining Medslowness
Classification of mood disorders,ICD-10. Single episode Manic episode Hypomania(mild mania) Mania without psychotic symptoms Mania with psychotic symptoms Depressive episode Mild Moderate Severe without psychotic symptoms Severe with psychotic symptoms Recurrent episodes Bipolar affective disorder Current episode mania Current episode depressive Current episode mixed depression and mania Recurrent depressive disorder Current episode mild,moderate or severe