Individual differences in auditory discrimination of spectral shape and speech‐identification performance among elderly listeners

2004 ◽  
Vol 116 (4) ◽  
pp. 2523-2524
Author(s):  
Mini N. Shrivastav ◽  
Larry E. Humes ◽  
Diane Kewley‐Port
2012 ◽  
Author(s):  
Shannon M. Andersen ◽  
Curt A. Carlson ◽  
Maria Carlson ◽  
Scott D. Gronlund

2018 ◽  
Vol 285 (1888) ◽  
pp. 20181319 ◽  
Author(s):  
R. Jenkins ◽  
A. J. Dowsett ◽  
A. M. Burton

Over our species history, humans have typically lived in small groups of under a hundred individuals. However, our face recognition abilities appear to equip us to recognize very many individuals, perhaps thousands. Modern society provides access to huge numbers of faces, but no one has established how many faces people actually know. Here, we describe a method for estimating this number. By combining separate measures of recall and recognition, we show that people know about 5000 faces on average and that individual differences are large. Our findings offer a possible explanation for large variation in identification performance. They also provide constraints on understanding the qualitative differences between perception of familiar and unfamiliar faces—a distinction that underlies all current theories of face recognition.


2014 ◽  
Vol 60 ◽  
pp. 36-40 ◽  
Author(s):  
Shannon M. Andersen ◽  
Curt A. Carlson ◽  
Maria A. Carlson ◽  
Scott D. Gronlund

1993 ◽  
Vol 4 (2) ◽  
pp. 104-107 ◽  
Author(s):  
Janet K. Jensen ◽  
Donna L. Neff

Intensity (loudness), frequency (pitch), and duration discrimination were examined in 41 normal-hearing children, aged 4 to 6 years, and 9 adults. A second study retested 25 of the youngest children 12 to 18 months later. Intensity discrimination showed the least improvement with age and was adultlike by age 5 for most of the children. In contrast, frequency and duration discrimination showed highly significant improvement with age, hut remained poorer than adults' discrimination for many 6-year-olds. Large individual differences were observed within alt tasks and age groups.


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