Attentional modulation in early visual cortex : a focused reanalysis of steady-state visual evoked potential studies

Funding information This work was supported by a grant from the Biotechnology and Biological Sciences Research Council (BB/P002404/1) awarded to S. K. A. and Leverhulme Early Career Fellowship ECF-2020-488 awarded to N.A.Peer reviewedPostprin

Attentional Enhancement of Tracked Stimuli in Early Visual Cortex Has Limited Capacity

Funding Information: Received Mar. 28, 2022; revised Sep. 22, 2022; accepted Sep. 26, 2022. Author contributions: N.A. and S.K.A. designed research; N.A. and S.K.A. performed research; S.K.A. contributed unpublished reagents/analytic tools; N.A. analyzed data; N.A. wrote the first draft of the paper; N.A. and S.K.A. edited the paper; N.A. and S.K.A. wrote the paper. This work was supported by the Biotechnology and Biological Sciences Research Council Grant BB/ P002404/1 (to S.K.A.) and the Leverhulme Early Career Fellowship ECF-2020-488 (to N.A.). We thank Alex O. Holcombe and Christian Merkel for their many insightful comments and suggestions. We also thank Rafael Lemarchand for his help in data collection. The authors declare no competing financial interests. Correspondence should be addressed to Nika Adamian at [email protected] reviewe

Top-down attention is limited within but not between feature dimensions

This work was supported by a grant from the Biotechnology and Biological Sciences Research Council (BB/P002404/1) awarded to SKA.Peer reviewedPostprintPublisher PD

Parallel attentional facilitation of features and objects in early visual cortex

ACKNOWLEDGMENTS This work was supported by a stipend from the Deutsche Forschungsgemeinschaft (AN 841/1‐1) and a grant from the BBSRC (BB/P002404/1) to S.K.A. We thank Jennifer Padwal for help with data collection and Matt Marlow for technical support.Peer reviewedPublisher PD

Degradation and by-products identification of benzothiazoles and benzotriazoles during chlorination by LC-HR-MS/MS

Nowadays, chlorination is the most prevalent disinfection method applied for water treatment in Europe. Chlorine can be supplied as sodium hypochlorite (NaOCl) which reacts in water to produce the disinfectants hypochlorous acid (HOCl) and hypochlorite ion (OCl-), otherwise known as free chlorine. Although the primary purpose of chlorination is the elimination of micropollutants via oxidation, several investigations have shown that chlorine reacts with micropollutants leading in the production of undesired by-products. 1,3-benzothiazoles (BTHs) and 1,2,3-benzotriazoles (BTRs) are classified as high production volume emerging environmental pollutants due to their broad industrial and domestic application, and even though recently several analytical methods have been applied for their determination , there is still a lack of research for their by-products’ identification. Initially, the degradation of three BTHs (BTH, 2-OH-BTH and 2-amino-BTH) and four BTRs (1-H-BTRi, TTRi, XTRi and 1-OH-BTRi) during chlorination was investigated by UHPLC-MS/MS (QqQ). Although chlorination appeared to be an insufficient degradation process for BTH and 1-H-BTRi, all their examined substituted derivatives seem to be significantly degraded when the molar ratio of sodium hypochlorite and the target analytes was between 5000:1 – 1000:1. Then, LC high resolution MS/MS (q-TOFMS) was used to investigate the formation of by-products in the chlorinated samples. Two suspect by-products of 2-amino-BTH and one of XTRi were tentatively identified based on their probable structure, mass accuracy, retention time and fragmentation and isotopic pattern. An interesting observation was the formation of 1-H-BTRi as a degradation product of 1-OH-BTRi during chlorination. Moreover, post-acquisition non-target treatment of the MS data revealed several unknown by-products of the tested analytes

Filmtext as a Product of Several Cultures: the Problem of Transferring Cultural Concepts (Based on Films about Mulan)

The problem of cultural transformations or transference remains a relevant object of research in film discourse. Of particular interest is the study of the representation of cultural concepts in films. It is noted that the film text is a complex linguistic product that can undergo primary, secondary and more transformations through comprehension by representatives of different cultures. There are many recipients have an opportunity for seeing a product of mass culture, therefore filmtext can also generate cultural transfers. There is a special position in the scheme of cultural transfer in the filmtext is occupied by the translator in the status of an intermediary and interpreter of culturally significant components of the original, responsible for the availability and maximally equivalent perception of information. This article examines the stages of cultural transfer and their influence on the final filmtext for the Russian viewer (final recipient); a classification and comparison of linguistic and cultural concepts are carried out based on the material of the films “Mulan” produced by Walt Disney Pictures (2020) and “Hua Mulan” (花木兰) produced by Beijing Film Company (PRC, 2019). The authors came to conclusion that the linguistic and cultural concepts selected in the course of the study have undergone several stages of cultural transformations during the transfer, contain “imprints” of this culture and therefore may not be understood by the final recipient

Thermal Conductivity and Thermal Rectification in Graphene Nanoribbons: a Molecular Dynamics Study

We have used molecular dynamics to calculate the thermal conductivity of symmetric and asymmetric graphene nanoribbons (GNRs) of several nanometers in size (up to ~4 nm wide and ~10 nm long). For symmetric nanoribbons, the calculated thermal conductivity (e.g. ~2000 W/m-K @400K for a 1.5 nm {\times} 5.7 nm zigzag GNR) is on the similar order of magnitude of the experimentally measured value for graphene. We have investigated the effects of edge chirality and found that nanoribbons with zigzag edges have appreciably larger thermal conductivity than nanoribbons with armchair edges. For asymmetric nanoribbons, we have found significant thermal rectification. Among various triangularly-shaped GNRs we investigated, the GNR with armchair bottom edge and a vertex angle of 30{\deg} gives the maximal thermal rectification. We also studied the effect of defects and found that vacancies and edge roughness in the nanoribbons can significantly decrease the thermal conductivity. However, substantial thermal rectification is observed even in the presence of edge roughness.Comment: 13 pages, 5 figures, slightly expanded from the published version on Nano Lett. with some additional note

RTAPS (Research and Technology for Aerospace Propulsion Systems): Simulation of Structural Loads within a Hybrid Gear Resulting From Loading at the Gear Teeth

This report investigates the practical usage of hybrid structures for rotorcraft gearing. The primary driver for utilizing hybrid structures for rotorcraft gearing is to reduce the drive system weight. The hybrid structure concept featured in this study for rotorcraft gearing consists of a metallic gear tooth-rim, a web section manufactured from composite materials, and a metallic hub. The metallic gear tooth-rim is manufactured from conventional gear steel alloys, such as AISI 9310. The gear tooth-rim attaches to the outer diameter of the web section made from composite materials. The inner diameter of the composite web can then attach to a metallic hub, completing the assembly. It is assumed that areas of the shafting or hub where rolling element bearings may ride must remain as gear steel alloys for this study