PSYC 101 Lecture Notes - Lecture 50: Abundant Number, Catatonia, Amygdala

• School: Xavier University
• Department: Psychology
• Course: PSYC 101
• Professor: Julie Rowekamp

Document Summary

Researchers discovered one such key when they examined schizophrenia patients" brains after death and found an excess of receptors for the neurotransmitter dopamine. Modern brain-scanning techniques reveal that many people with chronic schizophrenia have abnormal activity in multiple brain areas. Some have abnormally low brain activity in the frontal lobes, which are critical for reasoning, planning, and problem solving. A person with schizophrenia who has __________ (positive/negative) symptoms may have an expressionless face and toneless voice. These symptoms are most common with __________(chronic/acute) schizophrenia and are not likely to respond to drug therapy. Those with __________ (positive/negative) symptoms are likely to experience delusions and to be diagnosed with __________ (chronic/acute) schizophrenia, which is much more likely to respond to drug therapy. negative; chronic; positive; acute. Biological factors include abnormalities in brain structure and function, prenatal exposure to a maternal virus, and genetic factors. However, schizophrenia is more likely to develop given a high-risk environment.