Publications by authors named "Jimmy Hernandez"

Study Objectives: Idiopathic/isolated rapid eye movement-sleep behavior disorder (iRBD) often precedes the onset of synucleinopathies. Here, we investigated whether baseline resting-state EEG advanced spectral power and functional connectivity differed between iRBD patients who converted towards a synucleinopathy at follow-up and those who did not.

Methods: Eighty-one participants with iRBD (66.

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Article Synopsis
  • The study investigates the differences in sleep slow-wave (SW) transition between older adults with amnestic mild cognitive impairment (aMCI) and cognitively normal (CN) controls, focusing on the impact of obstructive sleep apnea (OSA).
  • Findings reveal that those with aMCI exhibit a slower transition speed between negative and positive SW phases, which correlates with cognitive decline and memory issues, while CN participants show improvements.
  • The results suggest that changes in SW metrics may reflect synaptic health, prompting future research to examine their relationship with biomarkers of synaptic integrity, particularly in the context of pathological aging.
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To simulate an early 20th century viral pneumonia radiotherapy treatment using modern fluoroscopy and evaluated it according to current dose guidelines. Monte Carlo was used to assess the dose distribution on an anthropomorphic phantom. Critical organs were: skin, breasts, esophagus, ribs, vertebrae, heart, thymus, and spinal cord.

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The methanol extracts from five different plant families (Asteraceae, Euphorbiaceae, Melastomataceae, Rubiaceae, and Solanaceae) collected at Regional Natural Park Ucumarí (Colombia), were screened for their acetylcholinesterase inhibitory activity through the modified Ellman's spectrophotometric method. The best inhibitory activities on this study were shown by the extracts of Solanum leucocarpum Dunal (IC50 = 204.59 mg/l) and Witheringia coccoloboides (Damm) (IC50 = 220.

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Obesity increased in preschool children attending day care centers in Chile from 5% in 1985 to 10.8% in 2000. We assessed the nutritional status and body composition by deuterium dilution, in preschool children attending day care centers.

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The influence of maternal smoking the nutrient content of breastmilk and impact on infant longitudinal growth rate is unknown. From birth, 23 smoking (S), (7.1 +/- 4.

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