scholarly journals Examining the Impact of Item-Distractor Similarity Using a Validated Circular Shape Space

2018 ◽  
Vol 18 (10) ◽  
pp. 817
Author(s):  
Aedan Li ◽  
Celia Fidalgo ◽  
Jackson Liang ◽  
Andy Lee ◽  
Morgan Barense
2019 ◽  
Author(s):  
Aedan Y. Li ◽  
Keisuke Fukuda ◽  
Andy C. H. Lee ◽  
Morgan D. Barense

AbstractAlthough we can all agree that interference induces forgetting, there is surprisingly little consensus regarding what type of interference most likely disrupts memory. We previously proposed that the similarity of interference differentially impacts the representational detail of color memory. Here, we extend this work by applying the Validated Circular Shape Space (Li et al., 2020) for the first time to a continuous retrieval task, in which we quantified both the visual similarity of distracting information as well as the representational detail of shape memory. We found that the representational detail of memory was systematically and differentially altered by the similarity of distracting information. Dissimilar distractors disrupted both fine- and coarse-grained information about the target, akin to memory erasure. In contrast, similar distractors disrupted fine-grained target information but increased reliance on coarse-grained information about the target, akin to memory blurring. Notably, these effects were consistent across two mixture models that each implemented a different scaling metric (either angular distance or perceived target similarity), as well as a parameter-free analysis that did not fit the mixture model. These findings suggest that similar distractors will help memory in cases where coarse-grained information is sufficient to identify the target. In other cases where precise fine-grained information is needed to identify the target, similar distractors will impair memory. As these effects have now been observed across both stimulus domains of shape and color, and were robust across multiple scaling metrics and methods of analyses, we suggest that these results provide a general set of principles governing how the nature of interference impacts forgetting.


2020 ◽  
Vol 149 (5) ◽  
pp. 949-966 ◽  
Author(s):  
Aedan Y. Li ◽  
Jackson C. Liang ◽  
Andy C. H. Lee ◽  
Morgan D. Barense

2020 ◽  
Vol 198 ◽  
pp. 02011
Author(s):  
Ziqiang Tang

Restricted by the environment and the city’s planning, some pipe jacking used for the HV cable tunnel have to pass through some roads which has been build. Different kind of equipment has certain applicability in the pipe jacking construction procedure, especially with the geological condition, and encountering in the boulder is a common problem in the residual soil or in the strong weathered rock stratum, in this situation, a vertical shaft is needed to remove the boulder. In order to save the site area, a new shaft which is in circular shape is designed, and this paper introduces the main procedure of how to design and construct the new circular shaft. In a Fuzhou HV cable tunnel, the new shape shaft clears away the stone in the clay successfully, and reduces the impact on the ground traffic, the design and construction procedure of the new shaft have been analyzed in this paper, which provides reference for similar construction.


2018 ◽  
Vol 1 (3) ◽  
pp. 257
Author(s):  
Maysitha Fitri Az Zahra ◽  
Santi Salayanti

Celebrity Fitness Transtudio Bandung is a fitness facility contained in Transtudio mall Bandung, located at 3rd floor building. Celebrity Fitness is one of the most popular fitness and much demand in either Indonesia or in the world, because at Celebrity Fitness is available a wide range of programming options classes with professional instructors, as well as a wide variety of selection tools that can be used in accordance with the needs of current visitors is in fitness place. Nowdays, many people in the world, especially urban communities choose an alternative fitness exercise for theirs activity because of their high activity. The higher a person's activity, the less time you have for doing the exercise, so many people are choosing fitness as an alternative to sports. Users fitness today is not only men, many women also were menikuti fitness program in order to maintain health and body ideals. One factor that must be considered in a gym is convenience, visitor comfortness circulation including the appropriate standard. Because one of the things that became Pull at Celebrity Fitness is the user's convenience, the slightest thing related to comfort will be considered in detail. But there are things of interest to writers when using the facilities at Celebrity Fitness Transtudio Bandung, namely the circulation patterns. Linear circulation pattern that is initially quite a good start from the receptionist up to the main workout room, but when on the main exercise room or exercise room TRX towards the path narrowed and sometimes occurs when a buildup of visitors crowded hours. Refinements circulation path is the impact of different forms of space. Shape space indirectly affect the organization of space which affects the circulation space. Celebrity Fitness Transtudio Bandung. Overall comfort and circulation of existing facilities is good enough for standard public space.


1962 ◽  
Vol 14 ◽  
pp. 415-418
Author(s):  
K. P. Stanyukovich ◽  
V. A. Bronshten

The phenomena accompanying the impact of large meteorites on the surface of the Moon or of the Earth can be examined on the basis of the theory of explosive phenomena if we assume that, instead of an exploding meteorite moving inside the rock, we have an explosive charge (equivalent in energy), situated at a certain distance under the surface.


1962 ◽  
Vol 14 ◽  
pp. 169-257 ◽  
Author(s):  
J. Green

The term geo-sciences has been used here to include the disciplines geology, geophysics and geochemistry. However, in order to apply geophysics and geochemistry effectively one must begin with a geological model. Therefore, the science of geology should be used as the basis for lunar exploration. From an astronomical point of view, a lunar terrain heavily impacted with meteors appears the more reasonable; although from a geological standpoint, volcanism seems the more probable mechanism. A surface liberally marked with volcanic features has been advocated by such geologists as Bülow, Dana, Suess, von Wolff, Shaler, Spurr, and Kuno. In this paper, both the impact and volcanic hypotheses are considered in the application of the geo-sciences to manned lunar exploration. However, more emphasis is placed on the volcanic, or more correctly the defluidization, hypothesis to account for lunar surface features.


1997 ◽  
Vol 161 ◽  
pp. 197-201 ◽  
Author(s):  
Duncan Steel

AbstractWhilst lithopanspermia depends upon massive impacts occurring at a speed above some limit, the intact delivery of organic chemicals or other volatiles to a planet requires the impact speed to be below some other limit such that a significant fraction of that material escapes destruction. Thus the two opposite ends of the impact speed distributions are the regions of interest in the bioastronomical context, whereas much modelling work on impacts delivers, or makes use of, only the mean speed. Here the probability distributions of impact speeds upon Mars are calculated for (i) the orbital distribution of known asteroids; and (ii) the expected distribution of near-parabolic cometary orbits. It is found that cometary impacts are far more likely to eject rocks from Mars (over 99 percent of the cometary impacts are at speeds above 20 km/sec, but at most 5 percent of the asteroidal impacts); paradoxically, the objects impacting at speeds low enough to make organic/volatile survival possible (the asteroids) are those which are depleted in such species.


1997 ◽  
Vol 161 ◽  
pp. 189-195
Author(s):  
Cesare Guaita ◽  
Roberto Crippa ◽  
Federico Manzini

AbstractA large amount of CO has been detected above many SL9/Jupiter impacts. This gas was never detected before the collision. So, in our opinion, CO was released from a parent compound during the collision. We identify this compound as POM (polyoxymethylene), a formaldehyde (HCHO) polymer that, when suddenly heated, reformes monomeric HCHO. At temperatures higher than 1200°K HCHO cannot exist in molecular form and the most probable result of its decomposition is the formation of CO. At lower temperatures, HCHO can react with NH3 and/or HCN to form high UV-absorbing polymeric material. In our opinion, this kind of material has also to be taken in to account to explain the complex evolution of some SL9 impacts that we observed in CCD images taken with a blue filter.


1997 ◽  
Vol 161 ◽  
pp. 179-187
Author(s):  
Clifford N. Matthews ◽  
Rose A. Pesce-Rodriguez ◽  
Shirley A. Liebman

AbstractHydrogen cyanide polymers – heterogeneous solids ranging in color from yellow to orange to brown to black – may be among the organic macromolecules most readily formed within the Solar System. The non-volatile black crust of comet Halley, for example, as well as the extensive orangebrown streaks in the atmosphere of Jupiter, might consist largely of such polymers synthesized from HCN formed by photolysis of methane and ammonia, the color observed depending on the concentration of HCN involved. Laboratory studies of these ubiquitous compounds point to the presence of polyamidine structures synthesized directly from hydrogen cyanide. These would be converted by water to polypeptides which can be further hydrolyzed to α-amino acids. Black polymers and multimers with conjugated ladder structures derived from HCN could also be formed and might well be the source of the many nitrogen heterocycles, adenine included, observed after pyrolysis. The dark brown color arising from the impacts of comet P/Shoemaker-Levy 9 on Jupiter might therefore be mainly caused by the presence of HCN polymers, whether originally present, deposited by the impactor or synthesized directly from HCN. Spectroscopic detection of these predicted macromolecules and their hydrolytic and pyrolytic by-products would strengthen significantly the hypothesis that cyanide polymerization is a preferred pathway for prebiotic and extraterrestrial chemistry.


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