Publications by authors named "J C Albrecht"
Objective: To describe application scenarios of a mobile device that provides a practical means for showcasing potential hearing aid benefits.
Design: A prototype of a hearing aid demonstrator based on circumaural headphones and a mobile signal processing platform was developed, providing core functions of a hearing aid, including several gain presets, in a hygienic, robust, and easy-to-use form factor. Speech intelligibility outcomes with the demonstrator and broadband level adaptations as potential fitting references were compared to outcomes with the own hearing aids of hearing-impaired participants.
Article Synopsis
- The study investigates CP symmetry violation in the decay of D^{+} particles into K^{-}K^{+}π^{+} using data from proton-proton collisions at a high energy of 13 TeV.
- A unique model-independent method was employed to analyze the phase-space distributions of D^{+} and D^{-} particles, correcting for any instrumental biases using D_{s}^{+} decays.
- The findings indicate no significant evidence of CP violation, with a p value of 8.1%, and measure specific CP asymmetry observables, marking this study as the most sensitive search of its kind in multibody decays.
Individual dietary specialization, where individuals occupy a subset of a population's wider dietary niche, is a key factor determining a species resilience against environmental change. However, the ontogeny of individual specialization, as well as associated underlying social learning, genetic, and environmental drivers, remain poorly understood. Using a multigenerational dataset of female European brown bears (Ursus arctos) followed since birth, we discerned the relative contributions of environmental similarity, genetic heritability, maternal effects, and offspring social learning from the mother to individual specialization.
View Article and Find Full Text PDFDetection of Increased Activity of Human Parvovirus B19 Using Commercial Laboratory Testing of Clinical Samples and Source Plasma Donor Pools - United States, 2024.
MMWR Morb Mortal Wkly Rep
November 2024
Article Synopsis
- - Human parvovirus B19 typically causes mild illness but can pose serious risks to pregnant individuals, those with weakened immune systems, and people with chronic blood disorders; recent B19 activity has surged in several European countries.
- - In the U.S., no standard B19 surveillance exists, but studies found a significant rise in IgM antibodies, indicating recent infections, showing a notable increase from less than 1.5% (2020-2023) to 9.9% in Q2 of 2024.
- - A similar spike was observed in donor plasma testing, with 20% positive for B19 nucleic acid amplification testing in June 2024, up from under 2% in previous years