Charlie, a concert pianist, developed numbness in both of his hands following an invitation to play at the presidential inaugural ball. He has no prior medical problems, and the pattern of numbness does not fit the clinical features of medical disorders that cause similar symptoms. The LEAST common treatment that Charlie is likely to pursue is:

Psychotherapy

Explanation:

Psychotherapy: In psychology, the term "psychotherapy" is referred to as a common word associated with treating different "mental health problems" by talking to a psychologist, a psychiatrist, or any other mental health counsellor. During psychotherapy, an individual tends to learn about his or her condition and his or her behaviors, moods, thoughts, and feelings.

In the question above, Charlie is less likely to pursue psychotherapy treatment because the numbness of both hands may not be treated via this.

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we need the diagram to answer this correctly.