Modifiers matching stimulus:

• external,
• familiar,
• stressful,
• chemical,
• special,
• pictorial,
• extraneous,
• internal,
• sensory,
• constant,
• unpleasant,
• noxious,
• old,
• outside,
• instructional,
• painful,
• pathologic,
• transient,
• peripheral,
• exogenous,
• emotional,
• natural,
• real,
• pathological,
• physiological,
• psychic,
• aversive,
• local,
• physical,
• mechanical,
• abnormal,
• physiologic,
• complex,
• social,
• visual,
• extracellular,
• positive,
• artificial,
• individual,
• ambient,
• multiple,
• maternal,
• biological,
• distressing,
• detrimental,
• simple,
• prolonged,
• chronic,
• cytotoxic,
• rhythmic,
• mental,
• subtle,
• environmental,
• supplemental,
• neutral,
• major,
• nonspecific,
• identifiable,
• light,
• standard,
• temporal,
• electrical,
• diverse,
• inflammatory,
• adverse,
• stimulating,
• auditory,
• innocuous,
• monotonous,
• organizational,
• rewarding,
• harmful,
• damaging,
• strong,
• negative,
• cellular,
• intense,
• subjective,
• noninfectious,
• distinct,

Simple categories matching transient:

• nature,
• phenomenon,
• cause,
• event,
• response,
• process,
• condition,
• maneuver,
• discharge,
• activity,
• decay,
• object,
• interference,
• disturbance,
• structure,
• symptom,
• emotion,
• passage,
• signal,
• industry,
• facility,
• interaction,
• arthritis,
• change,
• sound,
• job,
• mood,
• occupation,
• file,
• artifact,
• state,
• waveform,
• current,
• attribute,
• item,
• reaction,
• weather,
• sign,
• amusement,
• disease,
• system,
• fault,
• behaviour,
• case,
• behavior,
• sensation,
• situation,
• quality,
• noise,
• measure,
• material,
• operations,
• error,
• aircraft,
• passion,
• organism,
• molecule,
• motion,
• content,
• body,
• component,
• overload,
• disorder,
• commodity,
• illness,
• document,
• business,
• thing,
• input,
• property,
• stimulus,
• shift,
• occurrence,
• particle,
• test,
• failure,
• motivation,
• characteristic,
• lesion,
• infection,
• use,