Do Tactile Activities During Good Citizenship Lessons Minimize Misbehavior More Than Activities Using Traditional Strategies?

https://scholarworks.moreheadstate.edu/student_scholarship_posters/1195/thumbnail.jp

Do Cognitive Fallacies Predict Behavior When NonPathological Gamblers Play Slot Machines and Video Poker?

A popular notion found in the research literature is that gambling, and gambling problems, are associated with illogical beliefs. The present study investigated whether peoples’ subscription to cognitive fallacies related to gambling would be significant predictors of their actual gambling behavior. Twenty participants completed several questionnaires designed to assess cognitive fallacies related to gambling and then had the opportunity to gamble money on video poker and a slot machine. Results showed that faulty beliefs were seldom significant predictors of actual gambling behavior. In the lone instance in which such beliefs predicted gambling, the predictive relationship was in the opposite direction as suggested by the literature (i.e., fallacious beliefs were associated with less gambling). The present results therefore question the idea that cognitive fallacies lead to problem and/or pathological gambling

Evolution of the progenitor binary of V1309 Scorpii before merger

It was recently demonstrated that the eruption of V1309 Sco was a result of a merger of the components of a cool contact binary. We computed a set of evolutionary models of the detached binaries with different initial parameters to compare it with pre-burst observations of V1309 Sco. The models are based on our recently developed evolutionary model of the formation of cool contact binaries. The best agreement with observations was obtained for binaries with initial masses of 1.8-2.0 solar masses and initial periods of 2.5-3.1 d. The evolution of these binaries consists of three phases: at first the binary is detached and both components lose mass and angular momentum through a magnetized wind. This takes almost two thirds of the total evolutionary lifetime. The remaining third is spent in a semi-detached configuration of the Algol-type, following the Roche-lobe overflow by the initially more massive component. When the other component leaves the main sequence and moves toward the giant branch, a contact configuration is formed for a short time, followed by the coalescence of both components.Comment: 5 pages, 1 figure, Astronomy and Astrophysics, in prin

Plasma Physics

Contains research objectives and reports on four research projects.U.S. Atomic Energy Commission (Contract AT(30-1)-1842)U.S. Atomic Energy Commission Contract W-7405-Eng-3

Innovative Optogenetic Strategies for Vision Restoration

The advent of optogenetics has ushered in a new era in neuroscience where spatiotemporal control of neurons is possible through light application. These tools used to study neural circuits can also be used therapeutically to restore vision. In order to recapitulate the broad spectral and light sensitivities along with high temporal sensitivity found in human vision, researchers have identified and developed new optogenetic tools. There are two major kinds of optogenetic effectors employed in vision restoration: ion channels and G-protein coupled receptors (GPCRs). Ion channel based optogenetic therapies require high intensity light that can be unsafe at lower wavelengths, so work has been done to expand and red-shift the excitation spectra of these channels. Light activatable GPCRs are much more sensitive to light than their ion channel counterparts but are slower kinetically in terms of both activation and inactivation. This review article examines the latest optogenetic ion channel and GPCR candidates for vision restoration based on light and temporal sensitivity

Chytrid Fungi Associated with Pollen Decomposition in Crater Lake, Oregon

We identified chytrid fungi that were attached to pine pollen on the surface of Crater Lake. Fungi were identified by large subunit (LSU) rRNA gene sequencing of lake pollen extracts and by isolation of a chytrid fungus that was present on the pollen. LSU rRNA PCR products were cloned, sequenced and identified. The majority of eukaryotic LSU rRNA sequences associated with pollen were found to be members of the chytrid order Rhizophyidiales. A fungal isolate was characterized culturally, morphologically, and by DNA sequencing and was identified as a member of the genus Paranamyces, in the order Rhizophydiales. In addition, protist LSU rRNA sequences from the phylum Ciliophora were found. The concentrations of dissolved organic matter, nitrogen, and phosphate in surface water that had visible pollen rafts increased according to the concentration of pollen in the water. Each of these nutrients was detected at several fold higher levels in water with pollen rafts as compared to surface water lacking pollen rafts. These results provide evidence for the role of chytrid fungi in nutrient release from pollen deposited on Crater Lake

Circinus X-1: survivor of a highly asymmetric supernova

We have analyzed the kinematical parameters of Cir X-1 to constrain the nature of its companion star, the eccentricity of the binary and the pre-supernova parameter space. We argue that the companion is most likely to be a low-mass (< 2.0 M_sun) unevolved star and that the eccentricity of the orbit is 0.94 +/- 0.04. We have evaluated the dynamical effects of the supernova explosion and we find it must have been asymmetric. On average, we find that a kick of 740 km/s is needed to account for the recently measured radial velocity of +430 km/s (Johnston, Fender & Wu) for this extreme system. The corresponding minimum kick velocity is 500 km/s. This is the largest kick needed to explain the motion of any observed binary system. If Cir X-1 is associated with the supernova remnant G321.9-0.3 then we find a limiting minimum age of this remnant of 60000 yr. Furthermore, we predict that the companion star has lost 10% of its mass as a result of stripping and ablation from the impact of the supernova shell shortly after the explosion.Comment: 6 pages, 3 figues, 2 tables, accepted for publication in MNRA