Perception • Active process • Involves selection, organization and ...

More documents

Recommendations

Info

2) Placebo Effect• If expectation of pain can increase pain intensity,• how might expectation of pain reduction influenceperception?• e.g., following surgery [describe scenario where placebo might be given]• Experimental results• E.g., 85% of Ss given placebo for relief of paincaused by Herpes (cold sores or genital sores)reported pain reduction• E.g., 56% of patients given sham treatment(small skin incision) for angina (heart pain)reported significant pain reduction• On average, 33% of Ss in placebo pain studiesreport pain reduction
Why the high responsiveness to expectationof pain relief?• Evidence that expectation of pain relief activatesmu-opioid neurotransmitter system (“endorphins”)Red & orangeindicate regions ofheightened muopioidactivitywhen P reportspositive effect ofplaceboZubieta et al - Placebo Effects Mediated by Endogenous Opioid Activity on µ-Opioid Receptors (2005)
Page 1 and 2: Perception• Active process• Inv
Page 3 and 4: • Factors influencing your percep
Page 5 and 6: e.g., Continuity• What do you see
Page 7: e.g., ** figure-ground separation *
Page 12: 3. Perceptual set• Experiment [in
Page 24 and 25: (check results….)
Page 26 and 27: • Experiment proceeds….music pl

Perception • Active process • Involves selection, organization and ...

Create successful ePaper yourself

Delete template?

Save as template?