Classification of psychiatric disorder(WHO ) 1)Organic mental disorder:- -Delirium -Dementia -organic amnestic syndrome

1. Classification of psychiatric disorder(WHO) 1)Organic mental disorder:- -Delirium -Dementia -organic amnestic syndrome 2)Psychoactive substance use disorder- -Alcohol -opioids -cannabis -cocaine -

2. 3)Mood disorder:- • -Mania • -Depression • -Bipolar mood disorder • 4)Neurotic, stress related and somatoform disorders:- • a)Anxiety disorders:- • -Generalized anxiety disorders • -phobic anxiety

3. -panic disorder • b)Obsessive compulsive disorder • c)Reaction to severe stress:- • -Acute stress disorder • -post traumatic stress disorder • -Adjustment disorder • d)dissociative(conversion)disorder(Hysteria) • e)Somatoform disorder

4. 5)Behavioral syndrome associated with physiological disturbances:- • a)Eating disorder • b)Sleep disorder • c)Sexual dysfunction 6)Personality disorders

5. Some terms which are commonly used in psychiatric disorders:- 1)Illusion:- It is misinterpretation of some external object or stimulus. eg:-thinks a rope, a snake,thinks a dog a tiger. -Illusion may occur in a sane or an insane person. -A sane person realizes his mistake but insane person will persist with the wrong interpretation,

6. even after repeated demonstration of his error. Medicolegal importance:- A criminal act performed by a sane person,due to illusion will be responsible for his act but an insane person may not be or may be held partially responsible. 2)Hallucination:- In hallucination there is false sense perception without any external object or stimulus. -Apart from insanity hallucination may also occur in conditions like high fever,drugintoxication,and as withdrawl symptoms of some drugs of addiction.

7. Hallucinations are of the following types:- a)Visual hallucination:- In this condition the sufferer visualizes non-existent sights.He observes something without anything being present in his front. b)Auditory hallucination:-The sufferer in this condition hears voice or sound without any source or any such thing. -

8. second-person voices directly addressing the patient (e.g. ‘you are useless’) third-person – two or more voices discussing the patient (e.g. ‘he’s very powerful’) c)Olfactory hallucination:- here,there is a false sense of smelling without any source.

9. d)Gustatory hallucination:- without any food or drink the sufferer experiences different tastes. e)Tactile hallucination:- The sufferer experiences crawling of insects over his body without any such thing. f)Psychomotor hallucination:- There is a feeling of movement of a part of the body,say a limb in reality there is no such movement.

10. 3)Delusion:- A delusion is a false belief, unshakeably held, which is outside the individual’s normal social and cultural belief system. It is rather persistent even after the falsity of the belief is clearly demonstrated or explained with all possible arguments. Types of Delusion:-

11. a)Delusion of grandeur:- it is also termed as delusion of exaltation.This is delusion of pleasant beleief or feeling. The suffere remains exalted with feeling of greatness,power and wealth. b)Delusion of persecution:- Believe that people are conspiring against them.

12. He fears that he may be killed by somebody or his property may be robbed. • Such a person feels themselves so helpless that they may commit suicide or may kill their own family members to save them from imaginary danger. • He may even kill some innocent person thinking him to be his enemy . c)Delusion of influence:- The sufferer strongly believes that his thought process,activities and behaviour all are controlled

13. by some external power-often a superpower. - Such a person on the basis of some imaginary command from some supernatural power may commit any unlawful act. d)Delusion of reference:- Here the sufferer believes that,he is being reffered to by all agencies,media and person around him in all matters concerning him. e)Hypochondriacal delusion:- Here the person believe that there is some pathology or abnormality with some part or system or organ of his body,though in reality he is physically healthy.

14. f)Nihilistic delusion:- The sufferer does not believe in the existence of earthly matters or happenings.He may not believe in his own existence. g)Delusion of infidelity:- Males are the usual sufferers.without basis,the sufferer strongly think that his wife is not faithful to him and is not trustworthy.

15. She does not love him and has intimate relationship with some other person. • Such a mental sufferer may torture his wife,may kill her or may himself commit suicide. h)Delusion of self-reproach or self criticism:- The sufferer unnecessarily blames himself for some imaginary offence or misdeed “commited” by him.

16. 4)IMPULSE:- Impulse is sudden and irrestible desire or force in a person,compelling him to the conscious performance of some act for which there was neither a motive nor a forethought and preparation. several type of impulsive acts are as:- a)Kleptomania:- This means an irrestible desire to steal articles which may be of small value and even, may be of no use to the person stealing article.

17. b) Dipsomania:- This is found in alcoholics who feel irrestible desire to take alcoholic drinks. c)pyromania:- Here,there is an irrestible desire to set fire on things,which may be important and valuable. d)Mutilomania:- This is an irrestible desire to injure and mutilate animals, commonly domestic pets.

18. A sane person having self control and judgement capacity,may not finally give shape to his impulsive or compulsive desire. But an insane person can’t resist the impulse and commit the act. 5)OBSESSION:- In obsession the sufferer constantly entertains an idea,unnecessarily, Inspite of all his efforts to drive the idea out of his mind.eg:- A person while going to bed locks the door at night,but after going to the bed he feels to verify and does it repeatedly.