Impact of background noise on recognition memory (Koeritzer et al., 2018)

Margaret A. Koeritzer, Chad S. Rogers, Kristin J. Van Engen & Jonathan E. Peelle
Purpose: The goal of this study was to determine how background noise, linguistic properties of spoken sentences, and listener abilities (hearing sensitivity and verbal working memory) affect cognitive demand during auditory sentence comprehension.Method: We tested 30 young adults and 30 older adults. Participants heard lists of sentences in quiet and in 8-talker babble at signal-to-noise ratios of +15 dB and +5 dB, which increased acoustic challenge but left the speech largely intelligible. Half of the...
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