PSYCH 215 Chapter 12.2: Explanations of Schizophrenia

2 Pages
Unlock Document

University of Massachusetts - Boston
Elizabeth Eustis

 Explanations of Schizophrenia Diathesis- Stress Relationship: people with biological predisposition will develop schizophrenia only if certain kinds of events or stressors are also present  Biological  Genetic Factors:  Some people inherit biological predisposition to schizophrenia and develop the disorder later when they face extreme stress, usually during late adolescence or early adulthood  Supported by  Relative of people with schizophrenia  Twins with this disorder  People with schizophrenia who are adopted  Genetic linkage, and molecular biology  Schizophrenia is more common among relatives of people with the disorder and more closely the related the greater likelihood of developing the disorder  48% chance of identical twins, concordance (both having disorder)  Similarities of disorder in adoptive relative family members would be environmental influences  Schizophrenia linked to different genes  Polygenic disorder: number of gene defects  Dopamine hypothesis: certain neurons that explain their findings on schizophrenia: certain neurons that use the neurotransmitter dopamine fire too often and transmit too many messages  Accidental discovery of antipsychotic drugs Brain structure  Enlarged ventricles: tend to experience a poorer social adjustment prior to the disorder Viral problems  Poor nutrition  Fetal development  Birth complications  Immune reactions and toxins  Brain abnormalities may result from exposure to viruses before birth  Babies born during winter months more likely to be exposed to influenza  Antibodies found in the blood of 40% of research participants Psychodynamic Explanation: 1. Regressio
More Less

Related notes for PSYCH 215

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.