What is guided imagery primarily used for?

Guided imagery is primarily used as a therapeutic technique that involves focusing on a specific mental image or scenario in order to promote relaxation, reduce stress, and enhance overall well-being. This practice taps into the mind-body connection, utilizing visualization to help individuals cope with anxiety, manage pain, and improve their psychological health. By concentrating on calming and positive images, individuals can effectively influence their emotional and physical states.

This differs significantly from the other options, which do not align with the therapeutic intent of guided imagery. Creating detailed physical plans and designing architectural layouts are processes that focus on technical and logistical aspects rather than mental visualization techniques. Documenting medical histories is a clinical task geared toward record-keeping and patient care, which again does not involve the use of mental imagery for therapeutic purposes. Therefore, the emphasis on focusing on a specific mental image is what makes this answer the most suitable reflection of guided imagery's primary use.