Psyc4130 1nd Edition Lecture 30 Outline of Last Lecture I Video a Morris Water Maze b HDAK c Environmental Enrichment II Potential Therapies III Parkinson s IV Therapies for Parkinson s Outline of Current Lecture I Psychosis II Psychotic Conditions III Schizophrenia a Demographics b Adolescence and Onset IV Symptomology a Hallucinations b Delusions c Thought Disorders d Negative Symptoms Current Lecture Psychosis Represents a basic break from reality A person w psychosis is deemed to be psychotic Major diagnosed psychotic disorder paranoid schizophrenia Psychosis vs neurosis thinking based on reality for the most part Psychotic Conditions Involve psychotic episodes o Borderline personality disorder o Schizotypal personality disorder o Schizoaffective personality disorder o Bipolar disorder ie manic depression o Severe major depressive disorder o A purer form of psychosis is witnessed w schizophrenia These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Schizophrenia NOT D I D Dissociative identity disorder Literally means split mind but NOT a splitting of personality Eugene bleuler coined the term in an effort to capture the fracturing of the pt s cognitions and emotions and the severe disorganization this condition caused in their mental worlds Demographics o Affects 1 of population worldwide o Represented in ALL societies o Affects roughly equal of men and women o Typically diagnosed in late teens late twenties o Tends to be diagnosed slightly LATER in females than in males o Paranoid schizophrenia most COMMONLY DIAGNOSED SUBTYBE Adolescence and Onset o Symptoms show up in following sequence 1 Negative symptoms i e social withdrawal 2 Cognitive symptoms i e grades drop 3 Positive symptoms ie hallucinations and delusions something being added excessed compared to healthy people Usually 3 5 years after the very first problems were noticed o It has become apparent that brain changed during adolescence somehow triggers the devp t of schiz But it is not well understood what specifically goes awry o In NORMAL adolescence 1 of cortical grey matter is lost to pruning o This is doubled in adolescents that will go on to develop schiz o Most prominent in the PFC Symptomology Hallucinations o Perceptions not based on physical stimulation of the sensory system s o SENSORY PERCEPTUAL o Auditory is the most common o Visual is not so common unlike in the movies o May occur in ANY sensory modality Delusions o Beliefs that clearly contradict reality o Main categories Delusions of persecutions grandeur control being controlled and ideas of reference Cannot change a person s mind no matter how long you talk to them and try to sway them otherwise Thought Disorders o Categorized as positive technically o Irrational often illogical o More loose and general than delusions o Schizophrenics have trouble fo ex distinguishing btw plausible and absurd conclusions o Schizophasia utterances random words sentences put together not clearly making sense aphasia Negative symptoms lacks o Flattened blunted affect o Poverty of speech alogia o Lack of motivation initiative persistence o Inability to experience pleasure anhedonia o Social withdrawal isolation o Cognitive and neg symptoms appear to be attributable to deficiencies in the same brain regions DLPFC region Glutamate and dopamine are not as active in these regions
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