In this paper methods used to measure observer performance are reviewed, and a simple
general model for finding and reporting target objects in gray‐scale image backgrounds is …

… large monetary incentives, Swensson and Edwards found that seven of … For most of Swensson
and Edwards's Ss, the … Swensson and Edwards used easily discriminable stimuli of two …

Brigham and Women’s Hospital, Boston, Massachusetts 02115 An “extreme-detector” model
for detecting spatially uncertain targets in noisy backgrounds predicts how both detection …

Two experiments required Ss to identify a peripheral target embedded among nontarget
stimuli and fixate it as quickly as possible with a single saccadic eye movement. In Exp I, the …

Harvard Medical School and Peter Bent Brigham Hospital, Boston, Massachusetts 02115
The model treats the detection of targets in a visual search task as a concatenation of two …

This study measured observers’ ability to detect and locate focal lesions on simulated CT
images. The difficulty of the detection task was manipulated by changing the difference in …

PURPOSE: To determine radiologists' ability to find lung nodules on spiral computed
tomographic (CT) scans of the chest with both rapid sequential (cine) and conventional film-based …

Two-dimensional echocardiography has provided information to aid in the diagnosis and
management of infants with ventricular septal defect, but its inability to resolve very small …

… We note the passing of our colleague Richard G. Swensson and express our appreciation
for the opportunity to work with him. This work was supported by a grant from Siemens-France …

BACKGROUND The study objective was to examine the vascular wall changes caused by
balloon dilation of coarctation of the aorta (CoA) acutely and at short-term follow-up using …