Auditory Recall In Normal Children And Children With A Diagnosis Of Central Auditory Processing Disorder

The purpose of this study was to investigate the differences in level of performance on auditory memory tasks between individuals with and without a diagnosis of Central Auditory Processing Disorder (CAPD). The study was also designed to examine the differences in performance among different auditory memory tasks. A total of ten participants were recruited for the study. Five typically developing individuals served in the control group and five individuals with a clinical diagnosis of CAPD served in the experimental group. Results from the study indicated that individuals with a diagnosis of CAPD performed significantly lower than the control group on the sentence recall tasks. Findings also suggested that digits were easier to recall than words in both groups. In conclusion, auditory memory continues to be a treatment target for individuals with CAPD. Additional research is needed in order to better treat individuals with a diagnosis of CAPD

The Price of Paid Prioritization: The International and Domestic Consequences of the Failure to Protect Net Neutrality in the United States

This article examines the international trade and human rights obligations of the United States as they relate to net neutrality to determine the extent to which the approach adopted by the Federal Communications Commission (FCC) in 2015 to promote an open Internet complies with those obligations. In March of that year, the FCC adopted new rules to promote and protect an open Internet that, inter alia, reclassified broadband providers as common carriers subject to nondiscrimination obligations and codified strong net neutrality protections. The authors argue that the 2015 FCC Order, contrary to its predecessors, largely meets the requirements of the international trade and human rights treaties to which the United States is a party. Even so, we conclude that gaps in the 2015 Rules mean that the United States may still be liable under international law for potential failures to ensure that net neutrality and nondiscrimination principles are adequately protected. In particular, the dual issues of zero-rating and interconnection remain as potential threats to strong net neutrality in this country. This is because, as a member of the World Trade Organization (WTO) and a party to the ICCPR, the United States is bound to respect principles of nondiscrimination and free expression when regulating essential communications media like the Internet. Any FCC rule that does not meaningfully protect net neutrality at all levels of interconnectivity would run afoul of these international obligations and expose the United States to legal action by other governments and individuals prejudiced by its actions

Search for gravitational-lensing signatures in the full third observing run of the LIGO-Virgo network

Gravitational lensing by massive objects along the line of sight to the source causes distortions of gravitational wave-signals; such distortions may reveal information about fundamental physics, cosmology and astrophysics. In this work, we have extended the search for lensing signatures to all binary black hole events from the third observing run of the LIGO--Virgo network. We search for repeated signals from strong lensing by 1) performing targeted searches for subthreshold signals, 2) calculating the degree of overlap amongst the intrinsic parameters and sky location of pairs of signals, 3) comparing the similarities of the spectrograms amongst pairs of signals, and 4) performing dual-signal Bayesian analysis that takes into account selection effects and astrophysical knowledge. We also search for distortions to the gravitational waveform caused by 1) frequency-independent phase shifts in strongly lensed images, and 2) frequency-dependent modulation of the amplitude and phase due to point masses. None of these searches yields significant evidence for lensing. Finally, we use the non-detection of gravitational-wave lensing to constrain the lensing rate based on the latest merger-rate estimates and the fraction of dark matter composed of compact objects

Search for eccentric black hole coalescences during the third observing run of LIGO and Virgo

Despite the growing number of confident binary black hole coalescences observed through gravitational waves so far, the astrophysical origin of these binaries remains uncertain. Orbital eccentricity is one of the clearest tracers of binary formation channels. Identifying binary eccentricity, however, remains challenging due to the limited availability of gravitational waveforms that include effects of eccentricity. Here, we present observational results for a waveform-independent search sensitive to eccentric black hole coalescences, covering the third observing run (O3) of the LIGO and Virgo detectors. We identified no new high-significance candidates beyond those that were already identified with searches focusing on quasi-circular binaries. We determine the sensitivity of our search to high-mass (total mass M>70 M⊙) binaries covering eccentricities up to 0.3 at 15 Hz orbital frequency, and use this to compare model predictions to search results. Assuming all detections are indeed quasi-circular, for our fiducial population model, we place an upper limit for the merger rate density of high-mass binaries with eccentricities 0<e≤0.3 at 0.33 Gpc−3 yr−1 at 90\% confidence level

Ultralight vector dark matter search using data from the KAGRA O3GK run

Among the various candidates for dark matter (DM), ultralight vector DM can be probed by laser interferometric gravitational wave detectors through the measurement of oscillating length changes in the arm cavities. In this context, KAGRA has a unique feature due to differing compositions of its mirrors, enhancing the signal of vector DM in the length change in the auxiliary channels. Here we present the result of a search for U(1)B−L gauge boson DM using the KAGRA data from auxiliary length channels during the first joint observation run together with GEO600. By applying our search pipeline, which takes into account the stochastic nature of ultralight DM, upper bounds on the coupling strength between the U(1)B−L gauge boson and ordinary matter are obtained for a range of DM masses. While our constraints are less stringent than those derived from previous experiments, this study demonstrates the applicability of our method to the lower-mass vector DM search, which is made difficult in this measurement by the short observation time compared to the auto-correlation time scale of DM