preferred_name: Hallucinations (perceptual experiences in the absence of real external sensory stimuli)
preferred_name_lc: hallucinations (perceptual experiences in the absence of real external sensory stimuli)
label: Hallucinations (perceptual experiences in the absence of real external sensory stimuli)
label_lc: hallucinations (perceptual experiences in the absence of real external sensory stimuli)