Outline the biological bases of dementia praecox and depression. Schizophrenia is a fruity disorder, characterized by major disturbances in thought, emotion and demeanor. It was originally called illusion praecox by Emil Kraepelin (1896), as he believed that typical symptoms, such as delusions, hallucinations, attention deficit and bizarre motor activity were due to a form of mental deterioration, which began in adolescence. But the terminus schizophrenic disorder was introduced by Swiss psychiatrist, Eugen Bleuler in 1911, literally plaza split mind or divided self. The symptoms of schizophrenia are usually divided into positive and negative types. controlling symptoms refer to conductal excess, such as delusions, hallucinations and disorganized speech. minus symptoms refer to behavioural deficits, such as tight affect, avolition, or apathy, alogia and anhedonia. In unhurrieds with flat affect it is hard to evoke some(prenominal) winsome of emotional response; th ey may stare vacantly with exanimate eyes, and when spoken to, answer in a flat and toneless voice. It is found in 66 percent of schizoid long-sufferings. Alogia is cognize as a negative thought disorder, characterized by poverty, or a complete lack of speech. Anhedonia refers to an inability to follow let on pleasure.
Patients are aware of this symptom and report that what is considered as lovable activities is not enjoyable for them. Reflecting different symptoms are several sub-types of schizophrenia, ab initio proposed by Kraepelin. Disorganized schizophrenia is characterized by the enduring roles disorganized speech and stringing of similar sounding words to ramher. The patien t may even invent new words, which will be a! ccompanied by silliness and laughter and incoherent speech. flat affect may be present and constant shifts of emotion. The behaviour is generally disorganized and not goal directed and the patients personal hygiene completely neglected. The most lucid symptoms of catatonic schizophrenia are repeated gestures,...If you want to crap a full essay, order it on our website: OrderEssay.net
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