We assessed visual short-term memory (VSTM) for color in 6- and 8-month-old infants (n = 76) using a one-shot change detection task. In this task, a sample array of two colored squares was visible for 517 ms, followed by a 317-ms retention period and then a 3000-ms test array consisting of one unchanged item and one item in a new color. We tracked gaze at 60 Hz while infants looked at the chang...

Births According to provisional reports, an estimated 339,000 births occurred in the United States during August 1997. This was a 6-percent decrease from the provisional number of births reported for August 1996 (360,000). The birth rate, 14.9 live births per 1,000 population, was 7 percent lower than August 1996 (16.0). The fertility rate, 66.9 live births per 1,000 women 15–44 years, was 6 pe...

Figure 3. Toxicokinetic profiles for PCB-153, PCB-180, and HCB blood concentration for (A) normal body weight history and 10 ng/kg/day exposure to each of these chemicals for a woman who was not breast-fed in childhood (blue line) or breast-fed for 6 months (black line); (B) normal weight (gray line), weight loss (black line), or overweight (blue line) profiles and 10 ng/kg/day exposure to each...

Background: In carotid artery atherosclerotic disease; indications for intervention are accepted to be over 75% stenosis asymptomatic patients and 50% symptomatic patients. Preferred surgical treatment is endarterectomy. this study, we compared clinical outcomes ultrasonographic findings in two different techniques of arteriotomy closure. First technique consisted primary suturing second patch ...