Symptoms of the disorder vary from mild thought disorder to severe hallucinations. The person suffering from Schizophrenia may show risky behaviours like substance abuse and aggressiveness or sometimes suicidal or homicidal tendencies. Studies reveal that both ‘nature and nurture’ contribute to the development of schizophrenia to a great extent, and hence the disorder cannot be attributed to a single cause. This paper will discuss schizophrenia in detail giving emphasis to its subtype paranoid schizophrenia with reference to empirical research findings on the disease’s nature- nurture correlation. This will also analyse major symptoms of the abnormal behaviour and the best treatment approach.
The common symptoms of paranoid schizophrenia include delusions, auditory hallucinations, anger, emotional distance, anxiety, argumentativeness, violence, suicidal thoughts, and self-important or condescending manner. Among these, delusions and auditory hallucinations are the key symptoms of paranoid schizophrenia (Coon & Mitterer et al, 2010, p. 465). According to Diagnostic and Statistical Manual of Mental Disorders, DSM-IV code 295.30, paranoid schizophrenia is defined as a subtype of schizophrenia. Paranoid schizophrenia is the most common type of schizophrenia (Alloy, Riskind & Manos, 2006, p. 402). One of the major characteristics of the illness is that this generally occurs in youngsters in their late 20’s to 30’s. At the initial stage of the disorder, the affected persons may live and function normally in the society. The main features of paranoid schizophrenia are “a preoccupation with one or more delusions or frequent auditory hallucinations, but nothing prominent in terms of disorganized speech, flat or inappropriate emotions” (PsychNet-UK).
Results of various empirical researches show that when a person gets affected by paranoid schizophrenia, his ability to think and function in daily