
Organic Mental Disorders due to Brain Diseases Prof.ZOU Ding-hui
Organic Mental Disorders due to Brain Diseases Prof. ZOU Ding-hui

Introduction---Definition Organic Mental Disorders:The term is used to denote psychiatric disorders that arise from demonstrable biological etiology. It includes brain organic mental disorder and mental disorder caused by physical diseases
Introduction---Definition ⚫ Organic Mental Disorders: The term is used to denote psychiatric disorders that arise from demonstrable biological etiology. It includes brain organic mental disorder and mental disorder caused by physical diseases

Introduction-Classification OA.Mental Disorders due to Brain Diseases B.Mental Disorders due to Physical Diseases
Introduction—Classification ⚫ A. Mental Disorders due to Brain Diseases ⚫ B. Mental Disorders due to Physical Diseases

Mental Disorders due to Brain Diseases o Degenerative brain diseases o Cerebro-vascular diseases o Intracranial infection ●Brain damage ●Malignancies of CNS
Mental Disorders due to Brain Diseases ⚫ Degenerative brain diseases ⚫ Cerebro-vascular diseases ⚫ Intracranial infection ⚫ Brain damage ⚫ Malignancies of CNS

Mental Disorders due to Brain Diseases Feature:there is demonstrable structural and pathologic change in the brain The psychiatric disorders arise from these changes
Mental Disorders due to Brain Diseases ⚫ Feature: there is demonstrable structural and pathologic change in the brain . The psychiatric disorders arise from these changes

Mental Disorders due to Physical Diseases o Mental disorders arise from brain dysfunction which is clearly caused by disease outside the brain
Mental Disorders due to Physical Diseases ⚫ Mental disorders arise from brain dysfunction which is clearly caused by disease outside the brain

Mental Disorders due to Physical Diseases Feature:brain dysfunction,shows some atypically pathological change such as congestion,dropsy,etc. Mental disorders is one of symptoms of physical diseases
Mental Disorders due to Physical Diseases ⚫ Feature: brain dysfunction, shows some atypically pathological change such as congestion, dropsy, etc. ⚫ Mental disorders is one of symptoms of physical diseases

Historical background Past history: o Kraepelin showed that the different physiological causes contribute to the specificity clinical manifestation. Bonhoeffer showed that physiological causes of any kind contribute to a few syndromes of common clinical characteristics
Historical background Past history: ⚫ Kraepelin showed that the different physiological causes contribute to the specificity clinical manifestation. ⚫ Bonhoeffer showed that physiological causes of any kind contribute to a few syndromes of common clinical characteristics

Historical background Present history: o The correspondence between biological etiology and clinical features is ambiguous, which means that the different physiological causes contribute to the similar clinical manifestation,and different manifestations may result from the same causes
Historical background Present history: ⚫ The correspondence between biological etiology and clinical features is ambiguous, which means that the different physiological causes contribute to the similar clinical manifestation, and different manifestations may result from the same causes

Aspect of diferential diagnosis o 1.It is whether the syndrome is acute or chronic o2.It is whether the impairment of psychological function is general or local. o 3.It is whether the underlying dysfunction of the brain is general or local. ●4.Constitution ●Age Previous experience ● Personality
Aspect of diferential diagnosis ⚫ 1. It is whether the syndrome is acute or chronic. ⚫ 2. It is whether the impairment of psychological function is general or local. ⚫ 3. It is whether the underlying dysfunction of the brain is general or local. ⚫ 4.Constitution ⚫ Age ⚫ Previous experience ⚫ Personality