A single exposure to loud but not deafening noise may be enough to precipitate irreparable harm to nerves in the auditory system. This is the take-home from a new line of research that may help explain why many people, particularly as they age, have difficulty in picking out a conversation from the wall of background noise that is a requisite accompaniment to any football game or meal at a family-style restaurant.
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By: Gary Stix April 14, 20 2014
About the Author: Gary Stix, a senior editor, commissions, writes, and edits features, news articles and Web blogs for SCIENTIFIC AMERICAN. His area of coverage is neuroscience. He also has frequently been the issue or section editor for special issues or reports on topics ranging from nanotechnology to obesity. He has worked for more than 20 years at SCIENTIFIC AMERICAN, following three years as a science journalist at IEEE Spectrum, the flagship publication for the Institute of Electrical and Electronics Engineers. He has an undergraduate degree in journalism from New York University. With his wife, Miriam Lacob, he wrote a general primer on technology called Who Gives a Gigabyte? Follow on Twitter @@gstix1.