psychology mod. 40
delusions
*False beliefs*, often of persecution or grandeur, that may accompany psychotic disorders
brain abnormalitites
-dopamine over-activity -abnormal brain activity
genetic influences
-fetal-virus
schizophrenia
A group of severe disorders characterized by disorganized and delusional thinking, disturbed perceptions, and inappropriate emotions and actions.
Which of the following best illustrates a negative symptom of schizophrenia? A. delusions B. a motionless body C. inappropriate rage D. hallucinations
B. a motionless body
Which of the following is NOT true regarding schizophrenia? A. It usually appears during adolescence or early adulthood. B. It occurs more frequently in people born in winter and spring months. C. It occurs more frequently in lightly populated areas. D. It occurs less frequently as infectious disease rates have declined.
C. It occurs more frequently in lightly populated areas.
Among the following, which is generally accepted as a possible cause of schizophrenia? A. an excess of endorphins in the brain B. being a twin C. a genetic predisposition D. extensive learned helplessness
C. a genetic predisposition
catatonia
Disorganized muscle behavior characterized by various unusual physical movements or stillness.
Hearing voices would be ________ believing that you are Napoleon would be ________.
Hallucination and delusion
Which group of severe disorders is characterized by disorganized thinking, disturbed perceptions, and inappropriate emotions and actions?
Schizophrenia
psychosis
a psychological disorder in which a person loses contact with reality, experiencing irrational ideas and distorted perceptions
People are more likely to recover from ________ schizophrenia than from ________ schizophrenia.
acute, chronic / reactive, process
False beliefs of persecution that may accompany schizophrenia are called
delusions
Mr. James believes that people are constantly laughing at him and that FBI agents are trying to steal his life savings. Mr. James is most clearly suffering from
delusions
acute schizophrenia
develops rapidly -recovery is likely -experience positive symptoms
hallucination
false perception
Michael complains that threatening voices are constantly telling him that he is so evil he should drown himself. Michael is experiencing
hallucinations
Therapeutic drugs that block dopamine receptors are most likely to reduce
hallucinations
positive symptoms of schizophrenia
hallucinations, talk in disorganized and deluded ways, exhibit inappropriate laughter, tears, or rage -presence of inappropriate behavior
Cocaine may ________ symptoms of schizophrenia by ________ dopamine levels.
increase, increasing
A PET scan study of people with ________ found increased activity in the amygdala
paranoia
Evidence suggests that ________ contribute(s) to schizophrenia
prenatal viral infections
When schizophrenia is slow to develop, called ________ schizophrenia, recovery is ________.
process, unlikely
Mr. Kalish, a long-term government employee, falsely believed that his supervisor was a communist agent who was putting poison in the employees' coffee. When Mr. Kalish was referred to a psychiatrist, he claimed to be the grandson of Abraham Lincoln. Mr. Kalish is most likely suffering from
schizophrenia
Mrs. Higgins believes that aliens from another planet have removed her stomach and are watching her to see how long it takes her to grow another one. Mrs. Higgins is most likely suffering from
schizophrenia
chronic schizophrenia
slow developing process -recovery is doubtful -social withdrawal is common (negative)
negative symptoms of schizophrenia
toneless voices, expressionless faces, or mute rigid bodies -absence of appropriate behavior
Research evidence links the brain abnormalities of schizophrenia to ________ during prenatal development.
viral infection