A psychological or nervous disorder where sensation is exaggerated, distorted, or abnormally heightened.
From Greek 'aisthesis' (sensation) + 'neuron' (nerve) + 'osis' (condition). A rare medical term from 19th-century neurology for sensory neuroses.
This condition is the opposite of numbness—imagine if your skin felt every air molecule or your hearing caught sounds nobody else could hear; it's like your sensory system got turned up too loud!
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