Final answer:
Uncontrollable excessive talking in mania is known as Logorrhea. It is characterized by a person's involuntary, rapid, and non-stop flow of speech, often found in manic episodes of bipolar disorder.
Step-by-step explanation:
The correct answer to the question about uncontrollable excessive talking as seen in mania is B. Logorrhea. Logorrhea is a medical condition characterized by a person's involuntary and constant flow of speech, which is often rapid and lacks in normal conversational turns. It is commonly associated with manic episodes of bipolar disorder. Other options, such as Alexithymia, refers to difficulty in expressing emotions or feelings; Echolalia is the repetition of another person's spoken words; Flight of ideas involves a rapid shift in thoughts and topics; and Stilted speech is characterized by an overly formal or unnatural pattern of speaking.