Related Experiment Video
Updated: Jul 16, 2026
10:13
Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach
Published on: February 14, 2014
Does the age of liquid crystal displays influence observer performance?
Elizabeth A Krupinski1, Hans Roehrig, Jiahua Fan
1Department of Radiology, University of Arizona, 1609 N. Warren Bldg. 211 Room 112, Tucson, AZ 85724, USA. Krupinski@radiology.arizona.edu
Academic Radiology
|March 21, 2007
Summary
Monitor aging, causing a yellow shift in liquid crystal displays (LCDs), does not significantly affect radiologists' diagnostic accuracy or visual search efficiency in chest imaging interpretation. This finding is crucial for understanding display performance over time.
Area of Science:
- Medical Imaging
- Display Technology
- Radiology
Background:
- Liquid crystal displays (LCDs) exhibit a whitepoint shift towards yellow as they age, altering image appearance.
- This degradation may impact the interpretation of clinical images by radiologists.
Purpose of the Study:
- To investigate if LCD whitepoint shift affects radiologists' observer performance.
- To determine the influence of monitor aging on visual search efficiency during image interpretation.
Main Methods:
- Six radiologists interpreted 50 digital radiography chest images on LCDs simulating 0, 1, and 2.5 years of age.
- Diagnostic performance was assessed using receiver operating characteristic (ROC) analysis.
- Visual search patterns were analyzed using eye-tracking technology.
Main Results:
- No statistically significant differences in ROC performance were found across monitor ages (P = .6187).
- Total viewing time and decision-related dwell times did not differ significantly with monitor age.
- Radiologist confidence levels were not significantly impacted by monitor aging.
Conclusions:
- LCD whitepoint shift up to 2.5 years does not impair diagnostic accuracy.
- Visual search efficiency in radiologists remains unaffected by monitor aging within this timeframe.
- Current LCDs maintain diagnostic utility for chest imaging interpretation despite aging effects.
