NURS-3084EL Lecture Notes - Lecture 2: Early Intervention In Psychosis, Solitude, Etiology
Document Summary
Psychosis: a serious medical emergency, affects ~ 3,542 people in southeast lhin, onset is typically early adulthood. Impacting independent living & functioning: 1% of the general population , 2% of the adolescent population. 5 key features associated w psychotic disorders: delusions, hallucinations, disorganized thinking, abnormal motor behaviour, negative symptoms. The loss of usual behaviour or skills. (less visible signs with the greatest impact: social withdrawal, apathy, emotional unresponsiveness, lack of drive. Features added, not normally seen in healthy person. (visible signs: delusions, hallucinations, agitation, hostility, suspicion. Symptoms often emerge in response to stress, drug abuse or social change in a vulnerable individual. Some factors may be more or less important in one person than in another. No difference related to: race, social status, culture. Neurobiological: dopamine theory, other neurochemical hypotheses, brain structure abnormalities. Psychological and environmental factors: prenatal stressors, psychological stressors, environmental stressors. Types: drug induced, organic, brief reactive, early psychosis, schizophrenia, bipolar, major depression, schizoaffective.
