Gorham’s disease is a rare and atypical disorder epitomized by progressive osteolysis of bone with eventual total disappearance of bone. The etiology is poorly understood with variable clinical presentation. Most times it is initially misdiagnosed as temporomandibular joint dysfunction, periodontal disease or odontogenic tumors clinically and radiographical...

Three experiments are reported in which the attentional capture effect of sound disappearance was assessed. In all experiments participants were required to judge the pitch of target sounds that were preceded by one or more context sounds. In Experiments 1 and 2, targets presented in the same location as a context sound that had abruptly terminated 100 ms before its presentation, were identifie...

S INCE PROBLEMS of estimating the survival of freely mobile cells (mostly the blood cells ) have occupied the attention of investigators, there has been much discussion as to the appropriate mathematical model. Schi#{248}dt,’ considering red cells, envisaged two major possibilities : first, that cell destruction is indiscriminate and age-homogenous so that an exponential curve should result; se...

Because of the massive amount of incoming visual information, perception is fundamentally selective. We are aware of only a small subset of our visual input at any given moment, and a great deal of activity can occur right in front of our eyes without reaching awareness. While previous work has shown that even salient visual objects can go unseen, here we demonstrate the opposite pattern, where...