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ERIC Number: EJ938616
Record Type: Journal
Publication Date: 2011
Pages: 21
Abstractor: As Provided
Reference Count: 29
ISSN: ISSN-0033-2933
Using Morphed Images to Study Visual Detection of Cutaneous Melanoma Symptom Evolution
Dalianis, Elizabeth A.; Critchfield, Thomas S.; Howard, Niki L.; Jordan, J. Scott; Derenne, Adam
Psychological Record, v61 n3 p341-361 Sum 2011
Early detection attenuates otherwise high mortality from the skin cancer melanoma, and although major melanoma symptoms are well defined, little is known about how individuals detect them. Previous research has focused on identifying static stimuli as symptomatic vs. asymptomatic, whereas under natural conditions it is "changes" in skin lesions that most demand vigilance. Three experiments explored detection-of-change behavior using a series of images in which melanoma symptoms gradually increased in severity. Goals included exploring perceptual properties of the images in generalization-testing and modified psychophysical procedures, and examining the smallest amount of change in symptom severity that was detected in laboratory conditions vs. an approximation of field conditions. Precise measurement of detection behavior is seen as a prerequisite to evaluating the effectiveness of interventions for improving skin self-examination. (Contains 4 figures, 2 tables and 2 footnotes.)
Southern Illinois University Carbondale. Mailcode 4609, Rehabilitation Institute, Carbondale, IL 62901-4609. Tel: 618-536-7704; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A