Bimanual volume perception of 3-D objects

Abstract

In the present study, blindfolded subjects had to explore differently shaped objects with two hands and to judge their volume. The results showed a significant effect of the shape of objects on their perceived volume. Additional analysis showed that this effect could not be explained by the subjects' tendency to base the volume judgment on a specific object dimension other than the volume itself. This contrasts with the results from previous studies, which used cylindrical objects or objects that could fit in one hand, in which the effect of shape on volume perception could be explained by the height/width ratio or the surface area of objects, respectively.

Condition Factor and Length-Weight Relationship of Huchen (Hucho Hucho) Fingerlings in Cultivated Conditions

“…During the warmest months of the year (July-August), the average water temperature of rivers in Austria inhabited by huchen ranges from 12 to 18°C (Ratschan, 2014). In huchen habitats, water temperatures range from 6 to 18°C (Baensch & Riehl, 1991), and spawn at a water temperature of 6 to 10°C (Kahrimanović et al, 2013). In the first year of life it reaches a total body length of about 25 cm and a body weight of about 150 g, and at the age of two it reaches a total body length of about 40 cm and a body weight of about 500 g (Pasarin, 2007).…”