Naloxone is able to antagonise one aspect of this phenomenon leading to the suggestion that endogenous opioids play a role in establishing its effects.
John Haygarth's clinical demonstration of this phenomenon used "Perkins tractors", and it was earlier discussed in the teaching of William Cullen. Naloxone is able to antagonise one aspect of this phenomenon leading to the suggestion that endogenous opioids play a role in establishing its effects. This phenomenon is more prominent in subjectively measured outcomes, such as depression and pain. Usually restricted to clinical trials and vital to homeopathy, this is, for 10 points, what effect in which a medically inactive treatment can be used to deceive a patient.
John Haygarth's clinical demonstration of this phenomenon used "Perkins tractors", and it was earlier discussed in the teaching of William Cullen.
{Placebo} effect (or {nonspecific} effect)