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机译:Classical conditioning of analgesic and hyperalgesic pain responses without conscious awareness
Harvard Univ, Beth Israel Deaconess Med Ctr, Program Placebo Studies, Sch Med, Boston, MA 02215 USA;
Karolinska Inst, Osher Ctr Integrat Med, Dept Clin Neurosci, S-17176 Stockholm, Sweden;
classical conditioning; awareness; consciousness; placebo; nocebo;