Final answer:
Alogia is a condition characterized by poverty of speech and thought content, often associated with psychiatric conditions like schizophrenia. It involves a reduction in the quantity of speech or speech content and lack of spontaneous conversation.
Step-by-step explanation:
Alogia, also known as poverty of speech, is a reduction in the quantity of speech or speech content. It is often observed in certain psychiatric conditions, such as schizophrenia. This condition can be characterized by brief and unelaborated responses to questions and a lack of spontaneous conversation. Alogia is a negative symptom, which means it is a diminishment or loss of normal functions. Thus, the correct answer to the question would be 'E. Poverty of speech and thought content'.