NOISE EXPOSURE

This study tests a program to help farmworkers protect their hearing from loud machinery. About 200 farmworkers and supervisors will take part. The program includes a video, group talk, and hands-on earplug training. Researchers will measure noise exposure and survey participants…

This pilot study tests a short, culturally adapted training to help farmworkers use earplugs correctly and prevent hearing loss from loud noise. Fifteen farmworkers will receive the training and have their earplug fit measured before and after. The goal is to see if the training …

This study measures how children ages 7 to 15 with normal hearing understand speech in realistic noisy environments, like a school cafeteria or playground. Using a 360-degree sound system, researchers play sentences in different background noises to see how well kids repeat them.…

This study looks at how temporary noise exposure at levels allowed by law (around 85 dB) affects hearing and thinking in 40 healthy adults aged 18-35. Participants will be exposed to different noise patterns, including with rest breaks, to see if breaks help reduce auditory fatig…

This study looks at whether noise in the operating room changes how deeply patients are asleep during surgery and affects their heart rate and blood pressure. Researchers will measure noise levels and compare them to standard monitoring data from 70 adults having elective surgery…