cutaneous pt 3 Flashcards
placebo effect
decrease in pain due to treatment with no physiological effect
nocebo effect
increase in pain due to treatment with no physiological effect
expectations can improve or diminish the effects of actual treatment
found that within those given the drug, people with positive expectations had the lowest pain, people with negative had the highest and people with no expectation still improved a little
specificity of placebo
improvement of pain was seen only where cream was applied
may be evidence that endorphins are released at specific locations where placebo is applied
placebo in mind and brain
induces changes in fMRI in anticipation and experience of pain
found decrease in ACC and insula but not somatosensory cortex
increased DLPFC which is top down control of pain