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Temporally dissociable neural representations of pitch height and chroma.
J Neurosci
January 2025
Department of Psychology, Chinese University of Hong Kong, Hong Kong SAR, China
The extraction and analysis of pitch underpin speech and music recognition, sound segregation, and other auditory tasks. Perceptually, pitch can be represented as a helix composed of two factors: height monotonically aligns with frequency, while chroma cyclically repeats at doubled frequencies. Although the early perceptual and neurophysiological mechanisms for extracting pitch from acoustic signals have been extensively investigated, the equally essential subsequent stages that bridge to high-level auditory cognition remain less well understood.
View Article and Find Full Text PDFPlio-Pleistocene Environmental Changes Drove the Settlement of Aotearoa New Zealand by Australian Open-Habitat Bird Lineages.
Mol Ecol
January 2025
Department of Anatomy, University of Otago, Dunedin, New Zealand.
In a changing environment, vacant niches can be filled either by adaptation of local taxa or range-expanding invading species. The relative tempo of these patterns is of key interest in the modern age of climate change. Aotearoa New Zealand has been a hotspot of biogeographic research for decades due to its long-term isolation and dramatic geological history.
View Article and Find Full Text PDFEyelid Spindle Cell Lipoma: Case Report and Review of Three Patients in Literature.
Clin Case Rep
January 2025
Department of Pathology, Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences Okayama University Okayama Japan.
A 39-year-old woman presented a saucer-shaped mass in the left upper eyelid and underwent the extirpation at local anesthesia. Pathologically, collagen fibers, capillaries, small vessels, and CD34-positive spindle cells were dispersed among mature adipose tissues, indicative of spindle cell lipoma. Long-lasting cyst-like eyelid masses would be usually dermoid cysts, and spindle cell lipoma would be listed as a rare pathological diagnosis in differential diagnoses of cyst-like lesions in the upper and lower eyelid.
View Article and Find Full Text PDFA combined school survey and reactive case detection reveals minimal local transmission of malaria in the Highlands Region of Papua New Guinea.
Malar J
January 2025
Swiss Tropical and Public Health Institute, Allschwil, Switzerland.
Background: The Highlands of Papua New Guinea are non-endemic for malaria compared to the rest of the country. This study aimed to explore the local transmission of malaria in the Highlands through a cross-sectional school survey coupled with reactive case detection.
Methods: Between July and November 2019, 5575 schoolchildren and 1048 household members were screened for malaria using Rapid Diagnostic Tests, subsequently validated by light microscopy.
Microglia morphology in the developing primate amygdala and effects of early life stress.
eNeuro
January 2025
University of Rochester Medical Center, Department of Neuroscience,
A unique pool of immature glutamatergic neurons in the primate amygdala, known as the paralaminar nucleus (PL), are maturing between infancy and adolescence. The PL is a potential substrate for the steep growth curve of amygdala volume during this developmental period. A microglial component is also embedded among the PL neurons, and likely supports local neuronal maturation and emerging synaptogenesis.
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