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CSU - PSY 320 - Study Guide for Exam 3 - Study Guide

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CSU - PSY 320 - Study Guide for Exam 3 - Study Guide

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background image Schizophrenia o Severe form of psychosis
o Alternate between
Clear thinking/communication, proper functioning Active phase of illness disorganized thinking and speech, loss of 
reality, difficulty caring for self
o Diagnostic criteria 2 or more symptoms Decreased functioning Persists at least 6 months Rule out other disorders with psychotic features Not caused by a substance/medical condition o Positive symptoms: hallucinations, delusions, disorganized  thoughts/speech, disorganized nontypical behavior o Negative symptoms Loss of qualities Restricted affect: reduction/absence of emotional expression Catatonia: unresponsive to environment Waxy flexability Avolition: inability to initiate or persist at goal-directed activities Cognitive deficits – attention, memory, processing speed o Factors for development Neurotransmitter theories – excess levels of dopamine 
contribute to schizophrenia
Phenothiazines or neuroleptics: block reuptake of 
dopamine
Drugs that increase dopamine tend to increase positive 
symptoms
Neuroimaging studies – presence of more dopamine 
receptors = higher levels of dopamine
Genetic transmission Biological relative – 1 st  degree increases risk Adoption studies – schizophrenic parent causes stressful 
environment for child
Twin studies – genetic predisposition plus biological and 
environmental factors influence manifestation of the 
disorder
Anatomical abnormalities Enlargement of lateral ventricles Smaller that normal total brain volume Cortical atrophy Widening of third ventricle Smaller hippocampus o Treatments Biological treatments Drugs o Effective on positive symptoms
background image o Chlorpromazine: belongs to a class called the  phenothiazines, calms agitation and reduces 
hallucinations and delusions
o Blocks receptors for dopamine, reducing its action  in the brain o Side effects: akinesia/akathesis Tardive dyskinesia: neurological disorder 
where there is involuntary tongue, face, 
mouth, and jaw movement
o Atypical antipsychotics: binds to D4 dopamine  receptor, and influences several other 
neurotransmitters like serotonin
Side effects Dizziness, nausea, sedation, seizures, 
hypersalivation, weight gain, and 
tachycardia
Agranulocytosis: deficiency of 
granulocytes, substances produced by
bone marrow to fight infection
Psychological and social treatments Comprehensive approach that addresses o Behavioral – social learning theory/operant  conditioning o Cognitive – recognize and change demoralizing  attitudes o Social deficits – problem solving skills applicable to  common solutions Family therapy o Basic education on illness
o Training of family members – inappropriate 
behaviors o Disorder’s impact on caregiver
o Assertive community treatment programs – 
comprehensive services to meet the patients needs
24hrs/day from experts like:
Medical professionals Social workers Psychologists o Traditional healers integrate various models Structural Social support Persuasive Clinical o Schizoaffective disorder – schizophrenia + a mood disorder
o Schizophreniform disorder – Meets A/D/E criteria for schizophrenia but 
symptoms only last 1 to 6 months o Brief psychotic disorder – delusions, hallucinations, etc between 1 day  and 1 month, can be self-induced and usually alleviates itself
background image o Delusional disorder – delusions that last at least one months regarding  situations that occur in real life o Schizotypal personality disorder – lifelong pattern of significant oddities to self-concept, ways to relating to others, and thinking and behavior o Paranoid personality disorder – PPD Pervasive distrust/suspiciousness of others o Schizoid Personality Disorder Pervasive pattern of detachment from social relationships & 
restricted emotion
o Schizotypical personality disorder Symptoms similar to schizophrenia but milder ADHD o Pattern of inattention and/or hyperactivity Interferences with functioning or development o Subtypes Predominantly inattentive 6 or more inattentive systems o Careless mistakes/not listening/not following  instructions/distracted/forgetful Predominantly hyperactive-impulsive 6 or more o Fidgeting, running around, “driven by a motor”,  interrupting/intruding, incessant talking Combined 6 or more of either o Onset of symptoms – 12yrs Occasionally diagnosed earlier o Prevalence estimates 8-11% 
o Factors that contribute
Genetic factors Adoption and twin studies o Heritability estimates as high as 70-80% 2 dopamine genes o DRD4 – dopamine receptor
o DAT1 – dopamine transporter (mixed support for 
this gene) Only with prenatal maternal nicotine or alcohol use Neurobiological factors Dopaminergic areas smaller in children with ADHD o Frontal lobe/globus balidus/caudate nucleus Poor performance on tests of frontal lobe function Prenatal and perinatal factors Low birth weight – can be helped later by maternal 
warmth
Maternal tobacco and alcohol Environmental toxins

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School: Colorado State University
Department: Psychology
Course: Abnormal Psychology
Professor: Martha Amberg
Term: Fall 2016
Tags: psych, Abnormal psychology, and Exam 3
Name: Study Guide for Exam 3
Description: This is a brief study guide based on the statements she posted on Canvas. More will be added later on, but this covers most of what is on her study guide. Good luck everyone!
Uploaded: 04/06/2018
7 Pages 51 Views 40 Unlocks
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