On average, a textbook author makes two wordprocessing errors per page on the rst draft of her textbook. What is the probability that on the next page she will make (a) 4 or more errors? (b) no errors?
Depression and Mania 1) An overview of depressions and mania a. Major depressive episode Extreme depression 2 weeks Cognitive symptoms Physical Dysfunction: sleep, appetite, energy Anhedonia (no pleasure from things that they used to enjoy) Duration- 4 to 9 months, untreated 2) D: Dysphoria (Sadness) E: energy (loss of) P: Pleasure (loss of/anhedonia) R: Retardation (Psychomotor slowing/agitation) E: Eating (changes in weight or appetite)- women are more likely to eat more and gain weight S: Suicide ( recurring thoughts of death) S: Sleep (any change. Most sleep less some sleep more) I: Indecisive (poor concentration) N: Negative thinking G: Guilt or Hopeless thinking Manic Mary had most of these symptoms 3) Overview of Mania a. Manic episode Exaggerated elation, joy, euphoria 1 week or less Cognitive symptoms Physical dysfunction (May live with very little sleep) Duration- 3 to 4 months untreated- most end up in hospital, jail, or dead Think of a person on crack Extreme self confidence (This is how some die) More talkative Flight of ideas and making no sense Psychomotor agitation (chewing gum, twitching, etc.) Having multiple sexual partners Depressive Disorders Persistent Depressive Disorder (Dysthymia) Milder symptoms 2 or more years Chronic Persistent Kind of like eyor from Winnie the Pooh Only has to last a year for children Double Depression Major depressive episodes and dysthymic disorder Harder to treat Additional defining criteria for depressive disorders- will be essay question on test Atypical- oversleep, overeat, weight gain, anxiety, mood reactivity, interpersonal refection sensitivity (mostly present in women) Melancholic- early morning awakening, psychomotor agitation, loss of appetite, guilt, lack of reactivity Catatonic-Absence of movement, very serious. Could also be inappropriate movement Psychotic- mood congruent hallucinations/delusions (Mary had auditory delusions with the voices) Seasonal pattern-2 or more episodes occurring at the same time With Anxious Distress- presence of anxiety Mixed features- at least three symptoms of mania Peripartum onset- (13-19%)-shows before giving birth