For too long, size perception research has been guided by the size distance invariance hypothesis. Although research to validate this hypothesis has been largely inconclusive, the hypothesis has endured, perhaps in part because alternative information sources for size perception were lacking. Here, I propose a binocular information source for size perception. The model, drawing on the binocular...

We apply the imaging technique in order to extract the size of emitting sources produced in intermediate-energy, heavy-ion nuclear reactions. In this work, central collisions of Ar+Sc at E/A=100, 150 MeV, Kr+Nb at E/A=70,100,120 MeV, and Sn+Sn at E/A=50 MeV are examined. In addition, inclusive data of He+Ag and N+Au are analyzed. We determine the source size in two different ways: the number of...

Size-resolved source apportionment of ambient particles by positive matrix factorization J. S. Han, K. J. Moon, S. J. Lee, Y. J. Kim, S. Y. Ryu, S. S. Cliff, and S. M. Yi Department of Air Quality Research, National Institute of Environmental Research, Environmental Research Complex, Kyeongseo-dong, Seo-gu, Incheon, 404-170, Republic of Korea ADvanced Environmental Monitoring Research Center (A...

The behavior of the classic algorithm for blind source separation (BSS) is detailed for a fixed step size. To improve the algorithm in speed and exactness, essential in tracking a time-varying mixing environment, a variable step size must be employed. The ideal step size should decrease or increase as the overall system error decreases or increases. It is shown analytically that the coefficient...

Size adaptation describes the tendency of the visual system to adjust neural responsiveness of size representations after prolonged exposure to particular stimulations. A larger (or smaller) adaptor stimulus influences the perceived size of a similar test stimulus shown subsequently. Size adaptation may emerge on various processing levels. Functional representations of the adaptor to which the ...

Introduction Conclusions References

In this study, a novel 'rope-assisted swab method' for the collection of saliva samples from 45 adult pigs was established and validated. This method was efficient for harvesting 2 milliliters or more of saliva from each of the pigs for subsequent analyses within two min. The amount of α-amylase and lipase in the collected saliva samples was between 38-6,655 and 2-52 U/l, respectively. For HCO3...