Perception • Active process • Involves selection, organization and ...
Perception • Active process • Involves selection, organization and ...
Perception • Active process • Involves selection, organization and ...
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2) Placebo Effect<strong>•</strong> If expectation of pain can increase pain intensity,<strong>•</strong> how might expectation of pain reduction influenceperception?<strong>•</strong> e.g., following surgery [describe scenario where placebo might be given]<strong>•</strong> Experimental results<strong>•</strong> E.g., 85% of Ss given placebo for relief of paincaused by Herpes (cold sores or genital sores)reported pain reduction<strong>•</strong> E.g., 56% of patients given sham treatment(small skin incision) for angina (heart pain)reported significant pain reduction<strong>•</strong> On average, 33% of Ss in placebo pain studiesreport pain reduction
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