Final answer:
The term for symptoms such as diminished emotional expression, reduced speech, decreased motivation, social withdrawal, and extreme negativity in schizophrenia is 'Negative symptoms'. These symptoms are part of the challenges faced by individuals with schizophrenia.
Step-by-step explanation:
The term used to describe negative symptoms in schizophrenia, such as diminished emotional expression, reduced speech, decreased motivation, social withdrawal, and extreme negativity, is c) Negative symptoms. These symptoms are characteristic of schizophrenia, a mental disorder that affects about one percent of the population in the United States.
Schizophrenia involves a range of symptoms, including difficulty distinguishing reality from imagination, inappropriate emotional responses, and issues with social interactions. While antipsychotic medications can help manage the disease by blocking dopamine receptors and impacting dopamine neurotransmission, they do not cure it. The negative symptoms often have a significant impact on the quality of life and functioning of individuals with schizophrenia.